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![Junio C Hamano](/assets/img/avatar_default.png)
Split key function and data structure definitions out of cache.h to new header files and adjust the users. * en/header-split-cleanup: csum-file.h: remove unnecessary inclusion of cache.h write-or-die.h: move declarations for write-or-die.c functions from cache.h treewide: remove cache.h inclusion due to setup.h changes setup.h: move declarations for setup.c functions from cache.h treewide: remove cache.h inclusion due to environment.h changes environment.h: move declarations for environment.c functions from cache.h treewide: remove unnecessary includes of cache.h wrapper.h: move declarations for wrapper.c functions from cache.h path.h: move function declarations for path.c functions from cache.h cache.h: remove expand_user_path() abspath.h: move absolute path functions from cache.h environment: move comment_line_char from cache.h treewide: remove unnecessary cache.h inclusion from several sources treewide: remove unnecessary inclusion of gettext.h treewide: be explicit about dependence on gettext.h treewide: remove unnecessary cache.h inclusion from a few headers
1781 lines
51 KiB
C
1781 lines
51 KiB
C
#include "cache.h"
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#include "add-interactive.h"
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#include "alloc.h"
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#include "environment.h"
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#include "gettext.h"
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#include "strbuf.h"
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#include "run-command.h"
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#include "strvec.h"
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#include "pathspec.h"
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#include "color.h"
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#include "diff.h"
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#include "compat/terminal.h"
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#include "prompt.h"
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enum prompt_mode_type {
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PROMPT_MODE_CHANGE = 0, PROMPT_DELETION, PROMPT_ADDITION, PROMPT_HUNK,
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PROMPT_MODE_MAX, /* must be last */
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};
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struct patch_mode {
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/*
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* The magic constant 4 is chosen such that all patch modes
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* provide enough space for three command-line arguments followed by a
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* trailing `NULL`.
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*/
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const char *diff_cmd[4], *apply_args[4], *apply_check_args[4];
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unsigned is_reverse:1, index_only:1, apply_for_checkout:1;
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const char *prompt_mode[PROMPT_MODE_MAX];
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const char *edit_hunk_hint, *help_patch_text;
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};
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static struct patch_mode patch_mode_add = {
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.diff_cmd = { "diff-files", NULL },
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.apply_args = { "--cached", NULL },
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.apply_check_args = { "--cached", NULL },
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.prompt_mode = {
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N_("Stage mode change [y,n,q,a,d%s,?]? "),
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N_("Stage deletion [y,n,q,a,d%s,?]? "),
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N_("Stage addition [y,n,q,a,d%s,?]? "),
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N_("Stage this hunk [y,n,q,a,d%s,?]? ")
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},
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.edit_hunk_hint = N_("If the patch applies cleanly, the edited hunk "
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"will immediately be marked for staging."),
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.help_patch_text =
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N_("y - stage this hunk\n"
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"n - do not stage this hunk\n"
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"q - quit; do not stage this hunk or any of the remaining "
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"ones\n"
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"a - stage this hunk and all later hunks in the file\n"
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"d - do not stage this hunk or any of the later hunks in "
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"the file\n")
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};
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static struct patch_mode patch_mode_stash = {
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.diff_cmd = { "diff-index", "HEAD", NULL },
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.apply_args = { "--cached", NULL },
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.apply_check_args = { "--cached", NULL },
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.prompt_mode = {
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N_("Stash mode change [y,n,q,a,d%s,?]? "),
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N_("Stash deletion [y,n,q,a,d%s,?]? "),
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N_("Stash addition [y,n,q,a,d%s,?]? "),
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N_("Stash this hunk [y,n,q,a,d%s,?]? "),
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},
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.edit_hunk_hint = N_("If the patch applies cleanly, the edited hunk "
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"will immediately be marked for stashing."),
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.help_patch_text =
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N_("y - stash this hunk\n"
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"n - do not stash this hunk\n"
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"q - quit; do not stash this hunk or any of the remaining "
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"ones\n"
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"a - stash this hunk and all later hunks in the file\n"
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"d - do not stash this hunk or any of the later hunks in "
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"the file\n"),
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};
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static struct patch_mode patch_mode_reset_head = {
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.diff_cmd = { "diff-index", "--cached", NULL },
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.apply_args = { "-R", "--cached", NULL },
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.apply_check_args = { "-R", "--cached", NULL },
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.is_reverse = 1,
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.index_only = 1,
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.prompt_mode = {
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N_("Unstage mode change [y,n,q,a,d%s,?]? "),
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N_("Unstage deletion [y,n,q,a,d%s,?]? "),
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N_("Unstage addition [y,n,q,a,d%s,?]? "),
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N_("Unstage this hunk [y,n,q,a,d%s,?]? "),
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},
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.edit_hunk_hint = N_("If the patch applies cleanly, the edited hunk "
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"will immediately be marked for unstaging."),
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.help_patch_text =
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N_("y - unstage this hunk\n"
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"n - do not unstage this hunk\n"
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"q - quit; do not unstage this hunk or any of the remaining "
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"ones\n"
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"a - unstage this hunk and all later hunks in the file\n"
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"d - do not unstage this hunk or any of the later hunks in "
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"the file\n"),
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};
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static struct patch_mode patch_mode_reset_nothead = {
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.diff_cmd = { "diff-index", "-R", "--cached", NULL },
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.apply_args = { "--cached", NULL },
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.apply_check_args = { "--cached", NULL },
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.index_only = 1,
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.prompt_mode = {
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N_("Apply mode change to index [y,n,q,a,d%s,?]? "),
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N_("Apply deletion to index [y,n,q,a,d%s,?]? "),
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N_("Apply addition to index [y,n,q,a,d%s,?]? "),
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N_("Apply this hunk to index [y,n,q,a,d%s,?]? "),
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},
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.edit_hunk_hint = N_("If the patch applies cleanly, the edited hunk "
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"will immediately be marked for applying."),
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.help_patch_text =
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N_("y - apply this hunk to index\n"
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"n - do not apply this hunk to index\n"
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"q - quit; do not apply this hunk or any of the remaining "
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"ones\n"
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"a - apply this hunk and all later hunks in the file\n"
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"d - do not apply this hunk or any of the later hunks in "
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"the file\n"),
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};
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static struct patch_mode patch_mode_checkout_index = {
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.diff_cmd = { "diff-files", NULL },
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.apply_args = { "-R", NULL },
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.apply_check_args = { "-R", NULL },
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.is_reverse = 1,
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.prompt_mode = {
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N_("Discard mode change from worktree [y,n,q,a,d%s,?]? "),
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N_("Discard deletion from worktree [y,n,q,a,d%s,?]? "),
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N_("Discard addition from worktree [y,n,q,a,d%s,?]? "),
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N_("Discard this hunk from worktree [y,n,q,a,d%s,?]? "),
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},
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.edit_hunk_hint = N_("If the patch applies cleanly, the edited hunk "
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"will immediately be marked for discarding."),
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.help_patch_text =
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N_("y - discard this hunk from worktree\n"
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"n - do not discard this hunk from worktree\n"
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"q - quit; do not discard this hunk or any of the remaining "
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"ones\n"
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"a - discard this hunk and all later hunks in the file\n"
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"d - do not discard this hunk or any of the later hunks in "
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"the file\n"),
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};
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static struct patch_mode patch_mode_checkout_head = {
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.diff_cmd = { "diff-index", NULL },
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.apply_for_checkout = 1,
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.apply_check_args = { "-R", NULL },
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.is_reverse = 1,
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.prompt_mode = {
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N_("Discard mode change from index and worktree [y,n,q,a,d%s,?]? "),
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N_("Discard deletion from index and worktree [y,n,q,a,d%s,?]? "),
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N_("Discard addition from index and worktree [y,n,q,a,d%s,?]? "),
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N_("Discard this hunk from index and worktree [y,n,q,a,d%s,?]? "),
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},
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.edit_hunk_hint = N_("If the patch applies cleanly, the edited hunk "
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"will immediately be marked for discarding."),
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.help_patch_text =
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N_("y - discard this hunk from index and worktree\n"
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"n - do not discard this hunk from index and worktree\n"
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"q - quit; do not discard this hunk or any of the remaining "
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"ones\n"
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"a - discard this hunk and all later hunks in the file\n"
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"d - do not discard this hunk or any of the later hunks in "
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"the file\n"),
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};
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static struct patch_mode patch_mode_checkout_nothead = {
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.diff_cmd = { "diff-index", "-R", NULL },
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.apply_for_checkout = 1,
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.apply_check_args = { NULL },
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.prompt_mode = {
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N_("Apply mode change to index and worktree [y,n,q,a,d%s,?]? "),
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N_("Apply deletion to index and worktree [y,n,q,a,d%s,?]? "),
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N_("Apply addition to index and worktree [y,n,q,a,d%s,?]? "),
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N_("Apply this hunk to index and worktree [y,n,q,a,d%s,?]? "),
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},
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.edit_hunk_hint = N_("If the patch applies cleanly, the edited hunk "
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"will immediately be marked for applying."),
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.help_patch_text =
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N_("y - apply this hunk to index and worktree\n"
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"n - do not apply this hunk to index and worktree\n"
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"q - quit; do not apply this hunk or any of the remaining "
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"ones\n"
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"a - apply this hunk and all later hunks in the file\n"
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"d - do not apply this hunk or any of the later hunks in "
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"the file\n"),
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};
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static struct patch_mode patch_mode_worktree_head = {
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.diff_cmd = { "diff-index", NULL },
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.apply_args = { "-R", NULL },
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.apply_check_args = { "-R", NULL },
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.is_reverse = 1,
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.prompt_mode = {
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N_("Discard mode change from worktree [y,n,q,a,d%s,?]? "),
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N_("Discard deletion from worktree [y,n,q,a,d%s,?]? "),
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N_("Discard addition from worktree [y,n,q,a,d%s,?]? "),
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N_("Discard this hunk from worktree [y,n,q,a,d%s,?]? "),
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},
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.edit_hunk_hint = N_("If the patch applies cleanly, the edited hunk "
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"will immediately be marked for discarding."),
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.help_patch_text =
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N_("y - discard this hunk from worktree\n"
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"n - do not discard this hunk from worktree\n"
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"q - quit; do not discard this hunk or any of the remaining "
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"ones\n"
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"a - discard this hunk and all later hunks in the file\n"
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"d - do not discard this hunk or any of the later hunks in "
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"the file\n"),
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};
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static struct patch_mode patch_mode_worktree_nothead = {
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.diff_cmd = { "diff-index", "-R", NULL },
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.apply_args = { NULL },
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.apply_check_args = { NULL },
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.prompt_mode = {
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N_("Apply mode change to worktree [y,n,q,a,d%s,?]? "),
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N_("Apply deletion to worktree [y,n,q,a,d%s,?]? "),
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N_("Apply addition to worktree [y,n,q,a,d%s,?]? "),
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N_("Apply this hunk to worktree [y,n,q,a,d%s,?]? "),
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},
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.edit_hunk_hint = N_("If the patch applies cleanly, the edited hunk "
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"will immediately be marked for applying."),
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.help_patch_text =
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N_("y - apply this hunk to worktree\n"
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"n - do not apply this hunk to worktree\n"
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"q - quit; do not apply this hunk or any of the remaining "
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"ones\n"
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"a - apply this hunk and all later hunks in the file\n"
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"d - do not apply this hunk or any of the later hunks in "
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"the file\n"),
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};
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struct hunk_header {
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unsigned long old_offset, old_count, new_offset, new_count;
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/*
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* Start/end offsets to the extra text after the second `@@` in the
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* hunk header, e.g. the function signature. This is expected to
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* include the newline.
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*/
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size_t extra_start, extra_end, colored_extra_start, colored_extra_end;
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unsigned suppress_colored_line_range:1;
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};
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struct hunk {
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size_t start, end, colored_start, colored_end, splittable_into;
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ssize_t delta;
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enum { UNDECIDED_HUNK = 0, SKIP_HUNK, USE_HUNK } use;
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struct hunk_header header;
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};
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struct add_p_state {
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struct add_i_state s;
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struct strbuf answer, buf;
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/* parsed diff */
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struct strbuf plain, colored;
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struct file_diff {
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struct hunk head;
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struct hunk *hunk;
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size_t hunk_nr, hunk_alloc;
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unsigned deleted:1, added:1, mode_change:1,binary:1;
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} *file_diff;
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size_t file_diff_nr;
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/* patch mode */
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struct patch_mode *mode;
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const char *revision;
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};
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static void add_p_state_clear(struct add_p_state *s)
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{
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size_t i;
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strbuf_release(&s->answer);
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strbuf_release(&s->buf);
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strbuf_release(&s->plain);
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strbuf_release(&s->colored);
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for (i = 0; i < s->file_diff_nr; i++)
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free(s->file_diff[i].hunk);
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free(s->file_diff);
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clear_add_i_state(&s->s);
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}
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__attribute__((format (printf, 2, 3)))
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static void err(struct add_p_state *s, const char *fmt, ...)
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{
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va_list args;
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va_start(args, fmt);
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fputs(s->s.error_color, stderr);
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vfprintf(stderr, fmt, args);
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fputs(s->s.reset_color, stderr);
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fputc('\n', stderr);
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va_end(args);
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}
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static void setup_child_process(struct add_p_state *s,
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struct child_process *cp, ...)
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{
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va_list ap;
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const char *arg;
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va_start(ap, cp);
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while ((arg = va_arg(ap, const char *)))
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strvec_push(&cp->args, arg);
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va_end(ap);
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cp->git_cmd = 1;
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strvec_pushf(&cp->env,
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INDEX_ENVIRONMENT "=%s", s->s.r->index_file);
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}
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static int parse_range(const char **p,
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unsigned long *offset, unsigned long *count)
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{
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char *pend;
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*offset = strtoul(*p, &pend, 10);
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if (pend == *p)
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return -1;
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if (*pend != ',') {
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*count = 1;
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*p = pend;
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return 0;
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}
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*count = strtoul(pend + 1, (char **)p, 10);
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return *p == pend + 1 ? -1 : 0;
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}
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static int parse_hunk_header(struct add_p_state *s, struct hunk *hunk)
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{
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struct hunk_header *header = &hunk->header;
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const char *line = s->plain.buf + hunk->start, *p = line;
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char *eol = memchr(p, '\n', s->plain.len - hunk->start);
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if (!eol)
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eol = s->plain.buf + s->plain.len;
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if (!skip_prefix(p, "@@ -", &p) ||
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parse_range(&p, &header->old_offset, &header->old_count) < 0 ||
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!skip_prefix(p, " +", &p) ||
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parse_range(&p, &header->new_offset, &header->new_count) < 0 ||
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!skip_prefix(p, " @@", &p))
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return error(_("could not parse hunk header '%.*s'"),
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(int)(eol - line), line);
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hunk->start = eol - s->plain.buf + (*eol == '\n');
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header->extra_start = p - s->plain.buf;
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header->extra_end = hunk->start;
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if (!s->colored.len) {
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header->colored_extra_start = header->colored_extra_end = 0;
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return 0;
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}
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/* Now find the extra text in the colored diff */
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line = s->colored.buf + hunk->colored_start;
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eol = memchr(line, '\n', s->colored.len - hunk->colored_start);
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if (!eol)
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eol = s->colored.buf + s->colored.len;
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p = memmem(line, eol - line, "@@ -", 4);
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if (p && (p = memmem(p + 4, eol - p - 4, " @@", 3))) {
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header->colored_extra_start = p + 3 - s->colored.buf;
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} else {
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/* could not parse colored hunk header, leave as-is */
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header->colored_extra_start = hunk->colored_start;
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header->suppress_colored_line_range = 1;
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}
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hunk->colored_start = eol - s->colored.buf + (*eol == '\n');
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header->colored_extra_end = hunk->colored_start;
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return 0;
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}
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static int is_octal(const char *p, size_t len)
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{
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if (!len)
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return 0;
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while (len--)
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if (*p < '0' || *(p++) > '7')
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return 0;
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return 1;
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}
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static void complete_file(char marker, struct hunk *hunk)
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{
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if (marker == '-' || marker == '+')
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/*
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* Last hunk ended in non-context line (i.e. it
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* appended lines to the file, so there are no
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* trailing context lines).
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*/
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hunk->splittable_into++;
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}
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static int parse_diff(struct add_p_state *s, const struct pathspec *ps)
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{
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struct strvec args = STRVEC_INIT;
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const char *diff_algorithm = s->s.interactive_diff_algorithm;
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struct strbuf *plain = &s->plain, *colored = NULL;
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struct child_process cp = CHILD_PROCESS_INIT;
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char *p, *pend, *colored_p = NULL, *colored_pend = NULL, marker = '\0';
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size_t file_diff_alloc = 0, i, color_arg_index;
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struct file_diff *file_diff = NULL;
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struct hunk *hunk = NULL;
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int res;
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strvec_pushv(&args, s->mode->diff_cmd);
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if (diff_algorithm)
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strvec_pushf(&args, "--diff-algorithm=%s", diff_algorithm);
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if (s->revision) {
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struct object_id oid;
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strvec_push(&args,
|
|
/* could be on an unborn branch */
|
|
!strcmp("HEAD", s->revision) &&
|
|
repo_get_oid(the_repository, "HEAD", &oid) ?
|
|
empty_tree_oid_hex() : s->revision);
|
|
}
|
|
color_arg_index = args.nr;
|
|
/* Use `--no-color` explicitly, just in case `diff.color = always`. */
|
|
strvec_pushl(&args, "--no-color", "--ignore-submodules=dirty", "-p",
|
|
"--", NULL);
|
|
for (i = 0; i < ps->nr; i++)
|
|
strvec_push(&args, ps->items[i].original);
|
|
|
|
setup_child_process(s, &cp, NULL);
|
|
strvec_pushv(&cp.args, args.v);
|
|
res = capture_command(&cp, plain, 0);
|
|
if (res) {
|
|
strvec_clear(&args);
|
|
return error(_("could not parse diff"));
|
|
}
|
|
if (!plain->len) {
|
|
strvec_clear(&args);
|
|
return 0;
|
|
}
|
|
strbuf_complete_line(plain);
|
|
|
|
if (want_color_fd(1, -1)) {
|
|
struct child_process colored_cp = CHILD_PROCESS_INIT;
|
|
const char *diff_filter = s->s.interactive_diff_filter;
|
|
|
|
setup_child_process(s, &colored_cp, NULL);
|
|
xsnprintf((char *)args.v[color_arg_index], 8, "--color");
|
|
strvec_pushv(&colored_cp.args, args.v);
|
|
colored = &s->colored;
|
|
res = capture_command(&colored_cp, colored, 0);
|
|
strvec_clear(&args);
|
|
if (res)
|
|
return error(_("could not parse colored diff"));
|
|
|
|
if (diff_filter) {
|
|
struct child_process filter_cp = CHILD_PROCESS_INIT;
|
|
|
|
setup_child_process(s, &filter_cp,
|
|
diff_filter, NULL);
|
|
filter_cp.git_cmd = 0;
|
|
filter_cp.use_shell = 1;
|
|
strbuf_reset(&s->buf);
|
|
if (pipe_command(&filter_cp,
|
|
colored->buf, colored->len,
|
|
&s->buf, colored->len,
|
|
NULL, 0) < 0)
|
|
return error(_("failed to run '%s'"),
|
|
diff_filter);
|
|
strbuf_swap(colored, &s->buf);
|
|
}
|
|
|
|
strbuf_complete_line(colored);
|
|
colored_p = colored->buf;
|
|
colored_pend = colored_p + colored->len;
|
|
}
|
|
strvec_clear(&args);
|
|
|
|
/* parse files and hunks */
|
|
p = plain->buf;
|
|
pend = p + plain->len;
|
|
while (p != pend) {
|
|
char *eol = memchr(p, '\n', pend - p);
|
|
const char *deleted = NULL, *mode_change = NULL;
|
|
|
|
if (!eol)
|
|
eol = pend;
|
|
|
|
if (starts_with(p, "diff ") ||
|
|
starts_with(p, "* Unmerged path ")) {
|
|
complete_file(marker, hunk);
|
|
ALLOC_GROW_BY(s->file_diff, s->file_diff_nr, 1,
|
|
file_diff_alloc);
|
|
file_diff = s->file_diff + s->file_diff_nr - 1;
|
|
hunk = &file_diff->head;
|
|
hunk->start = p - plain->buf;
|
|
if (colored_p)
|
|
hunk->colored_start = colored_p - colored->buf;
|
|
marker = '\0';
|
|
} else if (p == plain->buf)
|
|
BUG("diff starts with unexpected line:\n"
|
|
"%.*s\n", (int)(eol - p), p);
|
|
else if (file_diff->deleted)
|
|
; /* keep the rest of the file in a single "hunk" */
|
|
else if (starts_with(p, "@@ ") ||
|
|
(hunk == &file_diff->head &&
|
|
(skip_prefix(p, "deleted file", &deleted)))) {
|
|
if (marker == '-' || marker == '+')
|
|
/*
|
|
* Should not happen; previous hunk did not end
|
|
* in a context line? Handle it anyway.
|
|
*/
|
|
hunk->splittable_into++;
|
|
|
|
ALLOC_GROW_BY(file_diff->hunk, file_diff->hunk_nr, 1,
|
|
file_diff->hunk_alloc);
|
|
hunk = file_diff->hunk + file_diff->hunk_nr - 1;
|
|
|
|
hunk->start = p - plain->buf;
|
|
if (colored)
|
|
hunk->colored_start = colored_p - colored->buf;
|
|
|
|
if (deleted)
|
|
file_diff->deleted = 1;
|
|
else if (parse_hunk_header(s, hunk) < 0)
|
|
return -1;
|
|
|
|
/*
|
|
* Start counting into how many hunks this one can be
|
|
* split
|
|
*/
|
|
marker = *p;
|
|
} else if (hunk == &file_diff->head &&
|
|
starts_with(p, "new file")) {
|
|
file_diff->added = 1;
|
|
} else if (hunk == &file_diff->head &&
|
|
skip_prefix(p, "old mode ", &mode_change) &&
|
|
is_octal(mode_change, eol - mode_change)) {
|
|
if (file_diff->mode_change)
|
|
BUG("double mode change?\n\n%.*s",
|
|
(int)(eol - plain->buf), plain->buf);
|
|
if (file_diff->hunk_nr)
|
|
BUG("mode change in the middle?\n\n%.*s",
|
|
(int)(eol - plain->buf), plain->buf);
|
|
|
|
/*
|
|
* Do *not* change `hunk`: the mode change pseudo-hunk
|
|
* is _part of_ the header "hunk".
|
|
*/
|
|
file_diff->mode_change = 1;
|
|
ALLOC_GROW_BY(file_diff->hunk, file_diff->hunk_nr, 1,
|
|
file_diff->hunk_alloc);
|
|
file_diff->hunk->start = p - plain->buf;
|
|
if (colored_p)
|
|
file_diff->hunk->colored_start =
|
|
colored_p - colored->buf;
|
|
} else if (hunk == &file_diff->head &&
|
|
skip_prefix(p, "new mode ", &mode_change) &&
|
|
is_octal(mode_change, eol - mode_change)) {
|
|
|
|
/*
|
|
* Extend the "mode change" pseudo-hunk to include also
|
|
* the "new mode" line.
|
|
*/
|
|
if (!file_diff->mode_change)
|
|
BUG("'new mode' without 'old mode'?\n\n%.*s",
|
|
(int)(eol - plain->buf), plain->buf);
|
|
if (file_diff->hunk_nr != 1)
|
|
BUG("mode change in the middle?\n\n%.*s",
|
|
(int)(eol - plain->buf), plain->buf);
|
|
if (p - plain->buf != file_diff->hunk->end)
|
|
BUG("'new mode' does not immediately follow "
|
|
"'old mode'?\n\n%.*s",
|
|
(int)(eol - plain->buf), plain->buf);
|
|
} else if (hunk == &file_diff->head &&
|
|
starts_with(p, "Binary files "))
|
|
file_diff->binary = 1;
|
|
|
|
if (!!file_diff->deleted + !!file_diff->added +
|
|
!!file_diff->mode_change > 1)
|
|
BUG("diff can only contain delete *or* add *or* a "
|
|
"mode change?!?\n%.*s",
|
|
(int)(eol - (plain->buf + file_diff->head.start)),
|
|
plain->buf + file_diff->head.start);
|
|
|
|
if ((marker == '-' || marker == '+') && *p == ' ')
|
|
hunk->splittable_into++;
|
|
if (marker && *p != '\\')
|
|
marker = *p;
|
|
|
|
p = eol == pend ? pend : eol + 1;
|
|
hunk->end = p - plain->buf;
|
|
|
|
if (colored) {
|
|
char *colored_eol = memchr(colored_p, '\n',
|
|
colored_pend - colored_p);
|
|
if (colored_eol)
|
|
colored_p = colored_eol + 1;
|
|
else if (p != pend)
|
|
/* non-colored has more lines? */
|
|
goto mismatched_output;
|
|
else if (colored_p == colored_pend)
|
|
/* last line has no matching colored one? */
|
|
goto mismatched_output;
|
|
else
|
|
colored_p = colored_pend;
|
|
|
|
hunk->colored_end = colored_p - colored->buf;
|
|
}
|
|
|
|
if (mode_change) {
|
|
if (file_diff->hunk_nr != 1)
|
|
BUG("mode change in hunk #%d???",
|
|
(int)file_diff->hunk_nr);
|
|
/* Adjust the end of the "mode change" pseudo-hunk */
|
|
file_diff->hunk->end = hunk->end;
|
|
if (colored)
|
|
file_diff->hunk->colored_end = hunk->colored_end;
|
|
}
|
|
}
|
|
complete_file(marker, hunk);
|
|
|
|
/* non-colored shorter than colored? */
|
|
if (colored_p != colored_pend) {
|
|
mismatched_output:
|
|
error(_("mismatched output from interactive.diffFilter"));
|
|
advise(_("Your filter must maintain a one-to-one correspondence\n"
|
|
"between its input and output lines."));
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static size_t find_next_line(struct strbuf *sb, size_t offset)
|
|
{
|
|
char *eol;
|
|
|
|
if (offset >= sb->len)
|
|
BUG("looking for next line beyond buffer (%d >= %d)\n%s",
|
|
(int)offset, (int)sb->len, sb->buf);
|
|
|
|
eol = memchr(sb->buf + offset, '\n', sb->len - offset);
|
|
if (!eol)
|
|
return sb->len;
|
|
return eol - sb->buf + 1;
|
|
}
|
|
|
|
static void render_hunk(struct add_p_state *s, struct hunk *hunk,
|
|
ssize_t delta, int colored, struct strbuf *out)
|
|
{
|
|
struct hunk_header *header = &hunk->header;
|
|
|
|
if (hunk->header.old_offset != 0 || hunk->header.new_offset != 0) {
|
|
/*
|
|
* Generate the hunk header dynamically, except for special
|
|
* hunks (such as the diff header).
|
|
*/
|
|
const char *p;
|
|
size_t len;
|
|
unsigned long old_offset = header->old_offset;
|
|
unsigned long new_offset = header->new_offset;
|
|
|
|
if (!colored) {
|
|
p = s->plain.buf + header->extra_start;
|
|
len = header->extra_end - header->extra_start;
|
|
} else if (header->suppress_colored_line_range) {
|
|
strbuf_add(out,
|
|
s->colored.buf + header->colored_extra_start,
|
|
header->colored_extra_end -
|
|
header->colored_extra_start);
|
|
|
|
strbuf_add(out, s->colored.buf + hunk->colored_start,
|
|
hunk->colored_end - hunk->colored_start);
|
|
return;
|
|
} else {
|
|
strbuf_addstr(out, s->s.fraginfo_color);
|
|
p = s->colored.buf + header->colored_extra_start;
|
|
len = header->colored_extra_end
|
|
- header->colored_extra_start;
|
|
}
|
|
|
|
if (s->mode->is_reverse)
|
|
old_offset -= delta;
|
|
else
|
|
new_offset += delta;
|
|
|
|
strbuf_addf(out, "@@ -%lu", old_offset);
|
|
if (header->old_count != 1)
|
|
strbuf_addf(out, ",%lu", header->old_count);
|
|
strbuf_addf(out, " +%lu", new_offset);
|
|
if (header->new_count != 1)
|
|
strbuf_addf(out, ",%lu", header->new_count);
|
|
strbuf_addstr(out, " @@");
|
|
|
|
if (len)
|
|
strbuf_add(out, p, len);
|
|
else if (colored)
|
|
strbuf_addf(out, "%s\n", s->s.reset_color);
|
|
else
|
|
strbuf_addch(out, '\n');
|
|
}
|
|
|
|
if (colored)
|
|
strbuf_add(out, s->colored.buf + hunk->colored_start,
|
|
hunk->colored_end - hunk->colored_start);
|
|
else
|
|
strbuf_add(out, s->plain.buf + hunk->start,
|
|
hunk->end - hunk->start);
|
|
}
|
|
|
|
static void render_diff_header(struct add_p_state *s,
|
|
struct file_diff *file_diff, int colored,
|
|
struct strbuf *out)
|
|
{
|
|
/*
|
|
* If there was a mode change, the first hunk is a pseudo hunk that
|
|
* corresponds to the mode line in the header. If the user did not want
|
|
* to stage that "hunk", we actually have to cut it out from the header.
|
|
*/
|
|
int skip_mode_change =
|
|
file_diff->mode_change && file_diff->hunk->use != USE_HUNK;
|
|
struct hunk *head = &file_diff->head, *first = file_diff->hunk;
|
|
|
|
if (!skip_mode_change) {
|
|
render_hunk(s, head, 0, colored, out);
|
|
return;
|
|
}
|
|
|
|
if (colored) {
|
|
const char *p = s->colored.buf;
|
|
|
|
strbuf_add(out, p + head->colored_start,
|
|
first->colored_start - head->colored_start);
|
|
strbuf_add(out, p + first->colored_end,
|
|
head->colored_end - first->colored_end);
|
|
} else {
|
|
const char *p = s->plain.buf;
|
|
|
|
strbuf_add(out, p + head->start, first->start - head->start);
|
|
strbuf_add(out, p + first->end, head->end - first->end);
|
|
}
|
|
}
|
|
|
|
/* Coalesce hunks again that were split */
|
|
static int merge_hunks(struct add_p_state *s, struct file_diff *file_diff,
|
|
size_t *hunk_index, int use_all, struct hunk *merged)
|
|
{
|
|
size_t i = *hunk_index, delta;
|
|
struct hunk *hunk = file_diff->hunk + i;
|
|
/* `header` corresponds to the merged hunk */
|
|
struct hunk_header *header = &merged->header, *next;
|
|
|
|
if (!use_all && hunk->use != USE_HUNK)
|
|
return 0;
|
|
|
|
*merged = *hunk;
|
|
/* We simply skip the colored part (if any) when merging hunks */
|
|
merged->colored_start = merged->colored_end = 0;
|
|
|
|
for (; i + 1 < file_diff->hunk_nr; i++) {
|
|
hunk++;
|
|
next = &hunk->header;
|
|
|
|
/*
|
|
* Stop merging hunks when:
|
|
*
|
|
* - the hunk is not selected for use, or
|
|
* - the hunk does not overlap with the already-merged hunk(s)
|
|
*/
|
|
if ((!use_all && hunk->use != USE_HUNK) ||
|
|
header->new_offset >= next->new_offset + merged->delta ||
|
|
header->new_offset + header->new_count
|
|
< next->new_offset + merged->delta)
|
|
break;
|
|
|
|
/*
|
|
* If the hunks were not edited, and overlap, we can simply
|
|
* extend the line range.
|
|
*/
|
|
if (merged->start < hunk->start && merged->end > hunk->start) {
|
|
merged->end = hunk->end;
|
|
merged->colored_end = hunk->colored_end;
|
|
delta = 0;
|
|
} else {
|
|
const char *plain = s->plain.buf;
|
|
size_t overlapping_line_count = header->new_offset
|
|
+ header->new_count - merged->delta
|
|
- next->new_offset;
|
|
size_t overlap_end = hunk->start;
|
|
size_t overlap_start = overlap_end;
|
|
size_t overlap_next, len, j;
|
|
|
|
/*
|
|
* One of the hunks was edited: the modified hunk was
|
|
* appended to the strbuf `s->plain`.
|
|
*
|
|
* Let's ensure that at least the last context line of
|
|
* the first hunk overlaps with the corresponding line
|
|
* of the second hunk, and then merge.
|
|
*/
|
|
for (j = 0; j < overlapping_line_count; j++) {
|
|
overlap_next = find_next_line(&s->plain,
|
|
overlap_end);
|
|
|
|
if (overlap_next > hunk->end)
|
|
BUG("failed to find %d context lines "
|
|
"in:\n%.*s",
|
|
(int)overlapping_line_count,
|
|
(int)(hunk->end - hunk->start),
|
|
plain + hunk->start);
|
|
|
|
if (plain[overlap_end] != ' ')
|
|
return error(_("expected context line "
|
|
"#%d in\n%.*s"),
|
|
(int)(j + 1),
|
|
(int)(hunk->end
|
|
- hunk->start),
|
|
plain + hunk->start);
|
|
|
|
overlap_start = overlap_end;
|
|
overlap_end = overlap_next;
|
|
}
|
|
len = overlap_end - overlap_start;
|
|
|
|
if (len > merged->end - merged->start ||
|
|
memcmp(plain + merged->end - len,
|
|
plain + overlap_start, len))
|
|
return error(_("hunks do not overlap:\n%.*s\n"
|
|
"\tdoes not end with:\n%.*s"),
|
|
(int)(merged->end - merged->start),
|
|
plain + merged->start,
|
|
(int)len, plain + overlap_start);
|
|
|
|
/*
|
|
* Since the start-end ranges are not adjacent, we
|
|
* cannot simply take the union of the ranges. To
|
|
* address that, we temporarily append the union of the
|
|
* lines to the `plain` strbuf.
|
|
*/
|
|
if (merged->end != s->plain.len) {
|
|
size_t start = s->plain.len;
|
|
|
|
strbuf_add(&s->plain, plain + merged->start,
|
|
merged->end - merged->start);
|
|
plain = s->plain.buf;
|
|
merged->start = start;
|
|
merged->end = s->plain.len;
|
|
}
|
|
|
|
strbuf_add(&s->plain,
|
|
plain + overlap_end,
|
|
hunk->end - overlap_end);
|
|
merged->end = s->plain.len;
|
|
merged->splittable_into += hunk->splittable_into;
|
|
delta = merged->delta;
|
|
merged->delta += hunk->delta;
|
|
}
|
|
|
|
header->old_count = next->old_offset + next->old_count
|
|
- header->old_offset;
|
|
header->new_count = next->new_offset + delta
|
|
+ next->new_count - header->new_offset;
|
|
}
|
|
|
|
if (i == *hunk_index)
|
|
return 0;
|
|
|
|
*hunk_index = i;
|
|
return 1;
|
|
}
|
|
|
|
static void reassemble_patch(struct add_p_state *s,
|
|
struct file_diff *file_diff, int use_all,
|
|
struct strbuf *out)
|
|
{
|
|
struct hunk *hunk;
|
|
size_t save_len = s->plain.len, i;
|
|
ssize_t delta = 0;
|
|
|
|
render_diff_header(s, file_diff, 0, out);
|
|
|
|
for (i = file_diff->mode_change; i < file_diff->hunk_nr; i++) {
|
|
struct hunk merged = { 0 };
|
|
|
|
hunk = file_diff->hunk + i;
|
|
if (!use_all && hunk->use != USE_HUNK)
|
|
delta += hunk->header.old_count
|
|
- hunk->header.new_count;
|
|
else {
|
|
/* merge overlapping hunks into a temporary hunk */
|
|
if (merge_hunks(s, file_diff, &i, use_all, &merged))
|
|
hunk = &merged;
|
|
|
|
render_hunk(s, hunk, delta, 0, out);
|
|
|
|
/*
|
|
* In case `merge_hunks()` used `plain` as a scratch
|
|
* pad (this happens when an edited hunk had to be
|
|
* coalesced with another hunk).
|
|
*/
|
|
strbuf_setlen(&s->plain, save_len);
|
|
|
|
delta += hunk->delta;
|
|
}
|
|
}
|
|
}
|
|
|
|
static int split_hunk(struct add_p_state *s, struct file_diff *file_diff,
|
|
size_t hunk_index)
|
|
{
|
|
int colored = !!s->colored.len, first = 1;
|
|
struct hunk *hunk = file_diff->hunk + hunk_index;
|
|
size_t splittable_into;
|
|
size_t end, colored_end, current, colored_current = 0, context_line_count;
|
|
struct hunk_header remaining, *header;
|
|
char marker, ch;
|
|
|
|
if (hunk_index >= file_diff->hunk_nr)
|
|
BUG("invalid hunk index: %d (must be >= 0 and < %d)",
|
|
(int)hunk_index, (int)file_diff->hunk_nr);
|
|
|
|
if (hunk->splittable_into < 2)
|
|
return 0;
|
|
splittable_into = hunk->splittable_into;
|
|
|
|
end = hunk->end;
|
|
colored_end = hunk->colored_end;
|
|
|
|
remaining = hunk->header;
|
|
|
|
file_diff->hunk_nr += splittable_into - 1;
|
|
ALLOC_GROW(file_diff->hunk, file_diff->hunk_nr, file_diff->hunk_alloc);
|
|
if (hunk_index + splittable_into < file_diff->hunk_nr)
|
|
memmove(file_diff->hunk + hunk_index + splittable_into,
|
|
file_diff->hunk + hunk_index + 1,
|
|
(file_diff->hunk_nr - hunk_index - splittable_into)
|
|
* sizeof(*hunk));
|
|
hunk = file_diff->hunk + hunk_index;
|
|
hunk->splittable_into = 1;
|
|
memset(hunk + 1, 0, (splittable_into - 1) * sizeof(*hunk));
|
|
|
|
header = &hunk->header;
|
|
header->old_count = header->new_count = 0;
|
|
|
|
current = hunk->start;
|
|
if (colored)
|
|
colored_current = hunk->colored_start;
|
|
marker = '\0';
|
|
context_line_count = 0;
|
|
|
|
while (splittable_into > 1) {
|
|
ch = s->plain.buf[current];
|
|
|
|
if (!ch)
|
|
BUG("buffer overrun while splitting hunks");
|
|
|
|
/*
|
|
* Is this the first context line after a chain of +/- lines?
|
|
* Then record the start of the next split hunk.
|
|
*/
|
|
if ((marker == '-' || marker == '+') && ch == ' ') {
|
|
first = 0;
|
|
hunk[1].start = current;
|
|
if (colored)
|
|
hunk[1].colored_start = colored_current;
|
|
context_line_count = 0;
|
|
}
|
|
|
|
/*
|
|
* Was the previous line a +/- one? Alternatively, is this the
|
|
* first line (and not a +/- one)?
|
|
*
|
|
* Then just increment the appropriate counter and continue
|
|
* with the next line.
|
|
*/
|
|
if (marker != ' ' || (ch != '-' && ch != '+')) {
|
|
next_hunk_line:
|
|
/* Comment lines are attached to the previous line */
|
|
if (ch == '\\')
|
|
ch = marker ? marker : ' ';
|
|
|
|
/* current hunk not done yet */
|
|
if (ch == ' ')
|
|
context_line_count++;
|
|
else if (ch == '-')
|
|
header->old_count++;
|
|
else if (ch == '+')
|
|
header->new_count++;
|
|
else
|
|
BUG("unhandled diff marker: '%c'", ch);
|
|
marker = ch;
|
|
current = find_next_line(&s->plain, current);
|
|
if (colored)
|
|
colored_current =
|
|
find_next_line(&s->colored,
|
|
colored_current);
|
|
continue;
|
|
}
|
|
|
|
/*
|
|
* We got us the start of a new hunk!
|
|
*
|
|
* This is a context line, so it is shared with the previous
|
|
* hunk, if any.
|
|
*/
|
|
|
|
if (first) {
|
|
if (header->old_count || header->new_count)
|
|
BUG("counts are off: %d/%d",
|
|
(int)header->old_count,
|
|
(int)header->new_count);
|
|
|
|
header->old_count = context_line_count;
|
|
header->new_count = context_line_count;
|
|
context_line_count = 0;
|
|
first = 0;
|
|
goto next_hunk_line;
|
|
}
|
|
|
|
remaining.old_offset += header->old_count;
|
|
remaining.old_count -= header->old_count;
|
|
remaining.new_offset += header->new_count;
|
|
remaining.new_count -= header->new_count;
|
|
|
|
/* initialize next hunk header's offsets */
|
|
hunk[1].header.old_offset =
|
|
header->old_offset + header->old_count;
|
|
hunk[1].header.new_offset =
|
|
header->new_offset + header->new_count;
|
|
|
|
/* add one split hunk */
|
|
header->old_count += context_line_count;
|
|
header->new_count += context_line_count;
|
|
|
|
hunk->end = current;
|
|
if (colored)
|
|
hunk->colored_end = colored_current;
|
|
|
|
hunk++;
|
|
hunk->splittable_into = 1;
|
|
hunk->use = hunk[-1].use;
|
|
header = &hunk->header;
|
|
|
|
header->old_count = header->new_count = context_line_count;
|
|
context_line_count = 0;
|
|
|
|
splittable_into--;
|
|
marker = ch;
|
|
}
|
|
|
|
/* last hunk simply gets the rest */
|
|
if (header->old_offset != remaining.old_offset)
|
|
BUG("miscounted old_offset: %lu != %lu",
|
|
header->old_offset, remaining.old_offset);
|
|
if (header->new_offset != remaining.new_offset)
|
|
BUG("miscounted new_offset: %lu != %lu",
|
|
header->new_offset, remaining.new_offset);
|
|
header->old_count = remaining.old_count;
|
|
header->new_count = remaining.new_count;
|
|
hunk->end = end;
|
|
if (colored)
|
|
hunk->colored_end = colored_end;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void recolor_hunk(struct add_p_state *s, struct hunk *hunk)
|
|
{
|
|
const char *plain = s->plain.buf;
|
|
size_t current, eol, next;
|
|
|
|
if (!s->colored.len)
|
|
return;
|
|
|
|
hunk->colored_start = s->colored.len;
|
|
for (current = hunk->start; current < hunk->end; ) {
|
|
for (eol = current; eol < hunk->end; eol++)
|
|
if (plain[eol] == '\n')
|
|
break;
|
|
next = eol + (eol < hunk->end);
|
|
if (eol > current && plain[eol - 1] == '\r')
|
|
eol--;
|
|
|
|
strbuf_addstr(&s->colored,
|
|
plain[current] == '-' ?
|
|
s->s.file_old_color :
|
|
plain[current] == '+' ?
|
|
s->s.file_new_color :
|
|
s->s.context_color);
|
|
strbuf_add(&s->colored, plain + current, eol - current);
|
|
strbuf_addstr(&s->colored, s->s.reset_color);
|
|
if (next > eol)
|
|
strbuf_add(&s->colored, plain + eol, next - eol);
|
|
current = next;
|
|
}
|
|
hunk->colored_end = s->colored.len;
|
|
}
|
|
|
|
static int edit_hunk_manually(struct add_p_state *s, struct hunk *hunk)
|
|
{
|
|
size_t i;
|
|
|
|
strbuf_reset(&s->buf);
|
|
strbuf_commented_addf(&s->buf, _("Manual hunk edit mode -- see bottom for "
|
|
"a quick guide.\n"));
|
|
render_hunk(s, hunk, 0, 0, &s->buf);
|
|
strbuf_commented_addf(&s->buf,
|
|
_("---\n"
|
|
"To remove '%c' lines, make them ' ' lines "
|
|
"(context).\n"
|
|
"To remove '%c' lines, delete them.\n"
|
|
"Lines starting with %c will be removed.\n"),
|
|
s->mode->is_reverse ? '+' : '-',
|
|
s->mode->is_reverse ? '-' : '+',
|
|
comment_line_char);
|
|
strbuf_commented_addf(&s->buf, "%s", _(s->mode->edit_hunk_hint));
|
|
/*
|
|
* TRANSLATORS: 'it' refers to the patch mentioned in the previous
|
|
* messages.
|
|
*/
|
|
strbuf_commented_addf(&s->buf,
|
|
_("If it does not apply cleanly, you will be "
|
|
"given an opportunity to\n"
|
|
"edit again. If all lines of the hunk are "
|
|
"removed, then the edit is\n"
|
|
"aborted and the hunk is left unchanged.\n"));
|
|
|
|
if (strbuf_edit_interactively(&s->buf, "addp-hunk-edit.diff", NULL) < 0)
|
|
return -1;
|
|
|
|
/* strip out commented lines */
|
|
hunk->start = s->plain.len;
|
|
for (i = 0; i < s->buf.len; ) {
|
|
size_t next = find_next_line(&s->buf, i);
|
|
|
|
if (s->buf.buf[i] != comment_line_char)
|
|
strbuf_add(&s->plain, s->buf.buf + i, next - i);
|
|
i = next;
|
|
}
|
|
|
|
hunk->end = s->plain.len;
|
|
if (hunk->end == hunk->start)
|
|
/* The user aborted editing by deleting everything */
|
|
return 0;
|
|
|
|
recolor_hunk(s, hunk);
|
|
|
|
/*
|
|
* If the hunk header is intact, parse it, otherwise simply use the
|
|
* hunk header prior to editing (which will adjust `hunk->start` to
|
|
* skip the hunk header).
|
|
*/
|
|
if (s->plain.buf[hunk->start] == '@' &&
|
|
parse_hunk_header(s, hunk) < 0)
|
|
return error(_("could not parse hunk header"));
|
|
|
|
return 1;
|
|
}
|
|
|
|
static ssize_t recount_edited_hunk(struct add_p_state *s, struct hunk *hunk,
|
|
size_t orig_old_count, size_t orig_new_count)
|
|
{
|
|
struct hunk_header *header = &hunk->header;
|
|
size_t i;
|
|
|
|
header->old_count = header->new_count = 0;
|
|
for (i = hunk->start; i < hunk->end; ) {
|
|
switch (s->plain.buf[i]) {
|
|
case '-':
|
|
header->old_count++;
|
|
break;
|
|
case '+':
|
|
header->new_count++;
|
|
break;
|
|
case ' ': case '\r': case '\n':
|
|
header->old_count++;
|
|
header->new_count++;
|
|
break;
|
|
}
|
|
|
|
i = find_next_line(&s->plain, i);
|
|
}
|
|
|
|
return orig_old_count - orig_new_count
|
|
- header->old_count + header->new_count;
|
|
}
|
|
|
|
static int run_apply_check(struct add_p_state *s,
|
|
struct file_diff *file_diff)
|
|
{
|
|
struct child_process cp = CHILD_PROCESS_INIT;
|
|
|
|
strbuf_reset(&s->buf);
|
|
reassemble_patch(s, file_diff, 1, &s->buf);
|
|
|
|
setup_child_process(s, &cp,
|
|
"apply", "--check", NULL);
|
|
strvec_pushv(&cp.args, s->mode->apply_check_args);
|
|
if (pipe_command(&cp, s->buf.buf, s->buf.len, NULL, 0, NULL, 0))
|
|
return error(_("'git apply --cached' failed"));
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int read_single_character(struct add_p_state *s)
|
|
{
|
|
if (s->s.use_single_key) {
|
|
int res = read_key_without_echo(&s->answer);
|
|
printf("%s\n", res == EOF ? "" : s->answer.buf);
|
|
return res;
|
|
}
|
|
|
|
if (git_read_line_interactively(&s->answer) == EOF)
|
|
return EOF;
|
|
return 0;
|
|
}
|
|
|
|
static int prompt_yesno(struct add_p_state *s, const char *prompt)
|
|
{
|
|
for (;;) {
|
|
color_fprintf(stdout, s->s.prompt_color, "%s", _(prompt));
|
|
fflush(stdout);
|
|
if (read_single_character(s) == EOF)
|
|
return -1;
|
|
switch (tolower(s->answer.buf[0])) {
|
|
case 'n': return 0;
|
|
case 'y': return 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
static int edit_hunk_loop(struct add_p_state *s,
|
|
struct file_diff *file_diff, struct hunk *hunk)
|
|
{
|
|
size_t plain_len = s->plain.len, colored_len = s->colored.len;
|
|
struct hunk backup;
|
|
|
|
backup = *hunk;
|
|
|
|
for (;;) {
|
|
int res = edit_hunk_manually(s, hunk);
|
|
if (res == 0) {
|
|
/* abandoned */
|
|
*hunk = backup;
|
|
return -1;
|
|
}
|
|
|
|
if (res > 0) {
|
|
hunk->delta +=
|
|
recount_edited_hunk(s, hunk,
|
|
backup.header.old_count,
|
|
backup.header.new_count);
|
|
if (!run_apply_check(s, file_diff))
|
|
return 0;
|
|
}
|
|
|
|
/* Drop edits (they were appended to s->plain) */
|
|
strbuf_setlen(&s->plain, plain_len);
|
|
strbuf_setlen(&s->colored, colored_len);
|
|
*hunk = backup;
|
|
|
|
/*
|
|
* TRANSLATORS: do not translate [y/n]
|
|
* The program will only accept that input at this point.
|
|
* Consider translating (saying "no" discards!) as
|
|
* (saying "n" for "no" discards!) if the translation
|
|
* of the word "no" does not start with n.
|
|
*/
|
|
res = prompt_yesno(s, _("Your edited hunk does not apply. "
|
|
"Edit again (saying \"no\" discards!) "
|
|
"[y/n]? "));
|
|
if (res < 1)
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
static int apply_for_checkout(struct add_p_state *s, struct strbuf *diff,
|
|
int is_reverse)
|
|
{
|
|
const char *reverse = is_reverse ? "-R" : NULL;
|
|
struct child_process check_index = CHILD_PROCESS_INIT;
|
|
struct child_process check_worktree = CHILD_PROCESS_INIT;
|
|
struct child_process apply_index = CHILD_PROCESS_INIT;
|
|
struct child_process apply_worktree = CHILD_PROCESS_INIT;
|
|
int applies_index, applies_worktree;
|
|
|
|
setup_child_process(s, &check_index,
|
|
"apply", "--cached", "--check", reverse, NULL);
|
|
applies_index = !pipe_command(&check_index, diff->buf, diff->len,
|
|
NULL, 0, NULL, 0);
|
|
|
|
setup_child_process(s, &check_worktree,
|
|
"apply", "--check", reverse, NULL);
|
|
applies_worktree = !pipe_command(&check_worktree, diff->buf, diff->len,
|
|
NULL, 0, NULL, 0);
|
|
|
|
if (applies_worktree && applies_index) {
|
|
setup_child_process(s, &apply_index,
|
|
"apply", "--cached", reverse, NULL);
|
|
pipe_command(&apply_index, diff->buf, diff->len,
|
|
NULL, 0, NULL, 0);
|
|
|
|
setup_child_process(s, &apply_worktree,
|
|
"apply", reverse, NULL);
|
|
pipe_command(&apply_worktree, diff->buf, diff->len,
|
|
NULL, 0, NULL, 0);
|
|
|
|
return 1;
|
|
}
|
|
|
|
if (!applies_index) {
|
|
err(s, _("The selected hunks do not apply to the index!"));
|
|
if (prompt_yesno(s, _("Apply them to the worktree "
|
|
"anyway? ")) > 0) {
|
|
setup_child_process(s, &apply_worktree,
|
|
"apply", reverse, NULL);
|
|
return pipe_command(&apply_worktree, diff->buf,
|
|
diff->len, NULL, 0, NULL, 0);
|
|
}
|
|
err(s, _("Nothing was applied.\n"));
|
|
} else
|
|
/* As a last resort, show the diff to the user */
|
|
fwrite(diff->buf, diff->len, 1, stderr);
|
|
|
|
return 0;
|
|
}
|
|
|
|
#define SUMMARY_HEADER_WIDTH 20
|
|
#define SUMMARY_LINE_WIDTH 80
|
|
static void summarize_hunk(struct add_p_state *s, struct hunk *hunk,
|
|
struct strbuf *out)
|
|
{
|
|
struct hunk_header *header = &hunk->header;
|
|
struct strbuf *plain = &s->plain;
|
|
size_t len = out->len, i;
|
|
|
|
strbuf_addf(out, " -%lu,%lu +%lu,%lu ",
|
|
header->old_offset, header->old_count,
|
|
header->new_offset, header->new_count);
|
|
if (out->len - len < SUMMARY_HEADER_WIDTH)
|
|
strbuf_addchars(out, ' ',
|
|
SUMMARY_HEADER_WIDTH + len - out->len);
|
|
for (i = hunk->start; i < hunk->end; i = find_next_line(plain, i))
|
|
if (plain->buf[i] != ' ')
|
|
break;
|
|
if (i < hunk->end)
|
|
strbuf_add(out, plain->buf + i, find_next_line(plain, i) - i);
|
|
if (out->len - len > SUMMARY_LINE_WIDTH)
|
|
strbuf_setlen(out, len + SUMMARY_LINE_WIDTH);
|
|
strbuf_complete_line(out);
|
|
}
|
|
|
|
#define DISPLAY_HUNKS_LINES 20
|
|
static size_t display_hunks(struct add_p_state *s,
|
|
struct file_diff *file_diff, size_t start_index)
|
|
{
|
|
size_t end_index = start_index + DISPLAY_HUNKS_LINES;
|
|
|
|
if (end_index > file_diff->hunk_nr)
|
|
end_index = file_diff->hunk_nr;
|
|
|
|
while (start_index < end_index) {
|
|
struct hunk *hunk = file_diff->hunk + start_index++;
|
|
|
|
strbuf_reset(&s->buf);
|
|
strbuf_addf(&s->buf, "%c%2d: ", hunk->use == USE_HUNK ? '+'
|
|
: hunk->use == SKIP_HUNK ? '-' : ' ',
|
|
(int)start_index);
|
|
summarize_hunk(s, hunk, &s->buf);
|
|
fputs(s->buf.buf, stdout);
|
|
}
|
|
|
|
return end_index;
|
|
}
|
|
|
|
static const char help_patch_remainder[] =
|
|
N_("j - leave this hunk undecided, see next undecided hunk\n"
|
|
"J - leave this hunk undecided, see next hunk\n"
|
|
"k - leave this hunk undecided, see previous undecided hunk\n"
|
|
"K - leave this hunk undecided, see previous hunk\n"
|
|
"g - select a hunk to go to\n"
|
|
"/ - search for a hunk matching the given regex\n"
|
|
"s - split the current hunk into smaller hunks\n"
|
|
"e - manually edit the current hunk\n"
|
|
"? - print help\n");
|
|
|
|
static int patch_update_file(struct add_p_state *s,
|
|
struct file_diff *file_diff)
|
|
{
|
|
size_t hunk_index = 0;
|
|
ssize_t i, undecided_previous, undecided_next;
|
|
struct hunk *hunk;
|
|
char ch;
|
|
struct child_process cp = CHILD_PROCESS_INIT;
|
|
int colored = !!s->colored.len, quit = 0;
|
|
enum prompt_mode_type prompt_mode_type;
|
|
enum {
|
|
ALLOW_GOTO_PREVIOUS_HUNK = 1 << 0,
|
|
ALLOW_GOTO_PREVIOUS_UNDECIDED_HUNK = 1 << 1,
|
|
ALLOW_GOTO_NEXT_HUNK = 1 << 2,
|
|
ALLOW_GOTO_NEXT_UNDECIDED_HUNK = 1 << 3,
|
|
ALLOW_SEARCH_AND_GOTO = 1 << 4,
|
|
ALLOW_SPLIT = 1 << 5,
|
|
ALLOW_EDIT = 1 << 6
|
|
} permitted = 0;
|
|
|
|
/* Empty added files have no hunks */
|
|
if (!file_diff->hunk_nr && !file_diff->added)
|
|
return 0;
|
|
|
|
strbuf_reset(&s->buf);
|
|
render_diff_header(s, file_diff, colored, &s->buf);
|
|
fputs(s->buf.buf, stdout);
|
|
for (;;) {
|
|
if (hunk_index >= file_diff->hunk_nr)
|
|
hunk_index = 0;
|
|
hunk = file_diff->hunk_nr
|
|
? file_diff->hunk + hunk_index
|
|
: &file_diff->head;
|
|
undecided_previous = -1;
|
|
undecided_next = -1;
|
|
|
|
if (file_diff->hunk_nr) {
|
|
for (i = hunk_index - 1; i >= 0; i--)
|
|
if (file_diff->hunk[i].use == UNDECIDED_HUNK) {
|
|
undecided_previous = i;
|
|
break;
|
|
}
|
|
|
|
for (i = hunk_index + 1; i < file_diff->hunk_nr; i++)
|
|
if (file_diff->hunk[i].use == UNDECIDED_HUNK) {
|
|
undecided_next = i;
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* Everything decided? */
|
|
if (undecided_previous < 0 && undecided_next < 0 &&
|
|
hunk->use != UNDECIDED_HUNK)
|
|
break;
|
|
|
|
strbuf_reset(&s->buf);
|
|
if (file_diff->hunk_nr) {
|
|
render_hunk(s, hunk, 0, colored, &s->buf);
|
|
fputs(s->buf.buf, stdout);
|
|
|
|
strbuf_reset(&s->buf);
|
|
if (undecided_previous >= 0) {
|
|
permitted |= ALLOW_GOTO_PREVIOUS_UNDECIDED_HUNK;
|
|
strbuf_addstr(&s->buf, ",k");
|
|
}
|
|
if (hunk_index) {
|
|
permitted |= ALLOW_GOTO_PREVIOUS_HUNK;
|
|
strbuf_addstr(&s->buf, ",K");
|
|
}
|
|
if (undecided_next >= 0) {
|
|
permitted |= ALLOW_GOTO_NEXT_UNDECIDED_HUNK;
|
|
strbuf_addstr(&s->buf, ",j");
|
|
}
|
|
if (hunk_index + 1 < file_diff->hunk_nr) {
|
|
permitted |= ALLOW_GOTO_NEXT_HUNK;
|
|
strbuf_addstr(&s->buf, ",J");
|
|
}
|
|
if (file_diff->hunk_nr > 1) {
|
|
permitted |= ALLOW_SEARCH_AND_GOTO;
|
|
strbuf_addstr(&s->buf, ",g,/");
|
|
}
|
|
if (hunk->splittable_into > 1) {
|
|
permitted |= ALLOW_SPLIT;
|
|
strbuf_addstr(&s->buf, ",s");
|
|
}
|
|
if (hunk_index + 1 > file_diff->mode_change &&
|
|
!file_diff->deleted) {
|
|
permitted |= ALLOW_EDIT;
|
|
strbuf_addstr(&s->buf, ",e");
|
|
}
|
|
}
|
|
if (file_diff->deleted)
|
|
prompt_mode_type = PROMPT_DELETION;
|
|
else if (file_diff->added)
|
|
prompt_mode_type = PROMPT_ADDITION;
|
|
else if (file_diff->mode_change && !hunk_index)
|
|
prompt_mode_type = PROMPT_MODE_CHANGE;
|
|
else
|
|
prompt_mode_type = PROMPT_HUNK;
|
|
|
|
printf("%s(%"PRIuMAX"/%"PRIuMAX") ", s->s.prompt_color,
|
|
(uintmax_t)hunk_index + 1,
|
|
(uintmax_t)(file_diff->hunk_nr
|
|
? file_diff->hunk_nr
|
|
: 1));
|
|
printf(_(s->mode->prompt_mode[prompt_mode_type]),
|
|
s->buf.buf);
|
|
if (*s->s.reset_color)
|
|
fputs(s->s.reset_color, stdout);
|
|
fflush(stdout);
|
|
if (read_single_character(s) == EOF)
|
|
break;
|
|
|
|
if (!s->answer.len)
|
|
continue;
|
|
ch = tolower(s->answer.buf[0]);
|
|
if (ch == 'y') {
|
|
hunk->use = USE_HUNK;
|
|
soft_increment:
|
|
hunk_index = undecided_next < 0 ?
|
|
file_diff->hunk_nr : undecided_next;
|
|
} else if (ch == 'n') {
|
|
hunk->use = SKIP_HUNK;
|
|
goto soft_increment;
|
|
} else if (ch == 'a') {
|
|
if (file_diff->hunk_nr) {
|
|
for (; hunk_index < file_diff->hunk_nr; hunk_index++) {
|
|
hunk = file_diff->hunk + hunk_index;
|
|
if (hunk->use == UNDECIDED_HUNK)
|
|
hunk->use = USE_HUNK;
|
|
}
|
|
} else if (hunk->use == UNDECIDED_HUNK) {
|
|
hunk->use = USE_HUNK;
|
|
}
|
|
} else if (ch == 'd' || ch == 'q') {
|
|
if (file_diff->hunk_nr) {
|
|
for (; hunk_index < file_diff->hunk_nr; hunk_index++) {
|
|
hunk = file_diff->hunk + hunk_index;
|
|
if (hunk->use == UNDECIDED_HUNK)
|
|
hunk->use = SKIP_HUNK;
|
|
}
|
|
} else if (hunk->use == UNDECIDED_HUNK) {
|
|
hunk->use = SKIP_HUNK;
|
|
}
|
|
if (ch == 'q') {
|
|
quit = 1;
|
|
break;
|
|
}
|
|
} else if (s->answer.buf[0] == 'K') {
|
|
if (permitted & ALLOW_GOTO_PREVIOUS_HUNK)
|
|
hunk_index--;
|
|
else
|
|
err(s, _("No previous hunk"));
|
|
} else if (s->answer.buf[0] == 'J') {
|
|
if (permitted & ALLOW_GOTO_NEXT_HUNK)
|
|
hunk_index++;
|
|
else
|
|
err(s, _("No next hunk"));
|
|
} else if (s->answer.buf[0] == 'k') {
|
|
if (permitted & ALLOW_GOTO_PREVIOUS_UNDECIDED_HUNK)
|
|
hunk_index = undecided_previous;
|
|
else
|
|
err(s, _("No previous hunk"));
|
|
} else if (s->answer.buf[0] == 'j') {
|
|
if (permitted & ALLOW_GOTO_NEXT_UNDECIDED_HUNK)
|
|
hunk_index = undecided_next;
|
|
else
|
|
err(s, _("No next hunk"));
|
|
} else if (s->answer.buf[0] == 'g') {
|
|
char *pend;
|
|
unsigned long response;
|
|
|
|
if (!(permitted & ALLOW_SEARCH_AND_GOTO)) {
|
|
err(s, _("No other hunks to goto"));
|
|
continue;
|
|
}
|
|
strbuf_remove(&s->answer, 0, 1);
|
|
strbuf_trim(&s->answer);
|
|
i = hunk_index - DISPLAY_HUNKS_LINES / 2;
|
|
if (i < (int)file_diff->mode_change)
|
|
i = file_diff->mode_change;
|
|
while (s->answer.len == 0) {
|
|
i = display_hunks(s, file_diff, i);
|
|
printf("%s", i < file_diff->hunk_nr ?
|
|
_("go to which hunk (<ret> to see "
|
|
"more)? ") : _("go to which hunk? "));
|
|
fflush(stdout);
|
|
if (strbuf_getline(&s->answer,
|
|
stdin) == EOF)
|
|
break;
|
|
strbuf_trim_trailing_newline(&s->answer);
|
|
}
|
|
|
|
strbuf_trim(&s->answer);
|
|
response = strtoul(s->answer.buf, &pend, 10);
|
|
if (*pend || pend == s->answer.buf)
|
|
err(s, _("Invalid number: '%s'"),
|
|
s->answer.buf);
|
|
else if (0 < response && response <= file_diff->hunk_nr)
|
|
hunk_index = response - 1;
|
|
else
|
|
err(s, Q_("Sorry, only %d hunk available.",
|
|
"Sorry, only %d hunks available.",
|
|
file_diff->hunk_nr),
|
|
(int)file_diff->hunk_nr);
|
|
} else if (s->answer.buf[0] == '/') {
|
|
regex_t regex;
|
|
int ret;
|
|
|
|
if (!(permitted & ALLOW_SEARCH_AND_GOTO)) {
|
|
err(s, _("No other hunks to search"));
|
|
continue;
|
|
}
|
|
strbuf_remove(&s->answer, 0, 1);
|
|
strbuf_trim_trailing_newline(&s->answer);
|
|
if (s->answer.len == 0) {
|
|
printf("%s", _("search for regex? "));
|
|
fflush(stdout);
|
|
if (strbuf_getline(&s->answer,
|
|
stdin) == EOF)
|
|
break;
|
|
strbuf_trim_trailing_newline(&s->answer);
|
|
if (s->answer.len == 0)
|
|
continue;
|
|
}
|
|
ret = regcomp(®ex, s->answer.buf,
|
|
REG_EXTENDED | REG_NOSUB | REG_NEWLINE);
|
|
if (ret) {
|
|
char errbuf[1024];
|
|
|
|
regerror(ret, ®ex, errbuf, sizeof(errbuf));
|
|
err(s, _("Malformed search regexp %s: %s"),
|
|
s->answer.buf, errbuf);
|
|
continue;
|
|
}
|
|
i = hunk_index;
|
|
for (;;) {
|
|
/* render the hunk into a scratch buffer */
|
|
render_hunk(s, file_diff->hunk + i, 0, 0,
|
|
&s->buf);
|
|
if (regexec(®ex, s->buf.buf, 0, NULL, 0)
|
|
!= REG_NOMATCH)
|
|
break;
|
|
i++;
|
|
if (i == file_diff->hunk_nr)
|
|
i = 0;
|
|
if (i != hunk_index)
|
|
continue;
|
|
err(s, _("No hunk matches the given pattern"));
|
|
break;
|
|
}
|
|
hunk_index = i;
|
|
} else if (s->answer.buf[0] == 's') {
|
|
size_t splittable_into = hunk->splittable_into;
|
|
if (!(permitted & ALLOW_SPLIT))
|
|
err(s, _("Sorry, cannot split this hunk"));
|
|
else if (!split_hunk(s, file_diff,
|
|
hunk - file_diff->hunk))
|
|
color_fprintf_ln(stdout, s->s.header_color,
|
|
_("Split into %d hunks."),
|
|
(int)splittable_into);
|
|
} else if (s->answer.buf[0] == 'e') {
|
|
if (!(permitted & ALLOW_EDIT))
|
|
err(s, _("Sorry, cannot edit this hunk"));
|
|
else if (edit_hunk_loop(s, file_diff, hunk) >= 0) {
|
|
hunk->use = USE_HUNK;
|
|
goto soft_increment;
|
|
}
|
|
} else {
|
|
const char *p = _(help_patch_remainder), *eol = p;
|
|
|
|
color_fprintf(stdout, s->s.help_color, "%s",
|
|
_(s->mode->help_patch_text));
|
|
|
|
/*
|
|
* Show only those lines of the remainder that are
|
|
* actually applicable with the current hunk.
|
|
*/
|
|
for (; *p; p = eol + (*eol == '\n')) {
|
|
eol = strchrnul(p, '\n');
|
|
|
|
/*
|
|
* `s->buf` still contains the part of the
|
|
* commands shown in the prompt that are not
|
|
* always available.
|
|
*/
|
|
if (*p != '?' && !strchr(s->buf.buf, *p))
|
|
continue;
|
|
|
|
color_fprintf_ln(stdout, s->s.help_color,
|
|
"%.*s", (int)(eol - p), p);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Any hunk to be used? */
|
|
for (i = 0; i < file_diff->hunk_nr; i++)
|
|
if (file_diff->hunk[i].use == USE_HUNK)
|
|
break;
|
|
|
|
if (i < file_diff->hunk_nr ||
|
|
(!file_diff->hunk_nr && file_diff->head.use == USE_HUNK)) {
|
|
/* At least one hunk selected: apply */
|
|
strbuf_reset(&s->buf);
|
|
reassemble_patch(s, file_diff, 0, &s->buf);
|
|
|
|
discard_index(s->s.r->index);
|
|
if (s->mode->apply_for_checkout)
|
|
apply_for_checkout(s, &s->buf,
|
|
s->mode->is_reverse);
|
|
else {
|
|
setup_child_process(s, &cp, "apply", NULL);
|
|
strvec_pushv(&cp.args, s->mode->apply_args);
|
|
if (pipe_command(&cp, s->buf.buf, s->buf.len,
|
|
NULL, 0, NULL, 0))
|
|
error(_("'git apply' failed"));
|
|
}
|
|
if (repo_read_index(s->s.r) >= 0)
|
|
repo_refresh_and_write_index(s->s.r, REFRESH_QUIET, 0,
|
|
1, NULL, NULL, NULL);
|
|
}
|
|
|
|
putchar('\n');
|
|
return quit;
|
|
}
|
|
|
|
int run_add_p(struct repository *r, enum add_p_mode mode,
|
|
const char *revision, const struct pathspec *ps)
|
|
{
|
|
struct add_p_state s = {
|
|
{ r }, STRBUF_INIT, STRBUF_INIT, STRBUF_INIT, STRBUF_INIT
|
|
};
|
|
size_t i, binary_count = 0;
|
|
|
|
init_add_i_state(&s.s, r);
|
|
|
|
if (mode == ADD_P_STASH)
|
|
s.mode = &patch_mode_stash;
|
|
else if (mode == ADD_P_RESET) {
|
|
/*
|
|
* NEEDSWORK: Instead of comparing to the literal "HEAD",
|
|
* compare the commit objects instead so that other ways of
|
|
* saying the same thing (such as "@") are also handled
|
|
* appropriately.
|
|
*
|
|
* This applies to the cases below too.
|
|
*/
|
|
if (!revision || !strcmp(revision, "HEAD"))
|
|
s.mode = &patch_mode_reset_head;
|
|
else
|
|
s.mode = &patch_mode_reset_nothead;
|
|
} else if (mode == ADD_P_CHECKOUT) {
|
|
if (!revision)
|
|
s.mode = &patch_mode_checkout_index;
|
|
else if (!strcmp(revision, "HEAD"))
|
|
s.mode = &patch_mode_checkout_head;
|
|
else
|
|
s.mode = &patch_mode_checkout_nothead;
|
|
} else if (mode == ADD_P_WORKTREE) {
|
|
if (!revision)
|
|
s.mode = &patch_mode_checkout_index;
|
|
else if (!strcmp(revision, "HEAD"))
|
|
s.mode = &patch_mode_worktree_head;
|
|
else
|
|
s.mode = &patch_mode_worktree_nothead;
|
|
} else
|
|
s.mode = &patch_mode_add;
|
|
s.revision = revision;
|
|
|
|
discard_index(r->index);
|
|
if (repo_read_index(r) < 0 ||
|
|
(!s.mode->index_only &&
|
|
repo_refresh_and_write_index(r, REFRESH_QUIET, 0, 1,
|
|
NULL, NULL, NULL) < 0) ||
|
|
parse_diff(&s, ps) < 0) {
|
|
add_p_state_clear(&s);
|
|
return -1;
|
|
}
|
|
|
|
for (i = 0; i < s.file_diff_nr; i++)
|
|
if (s.file_diff[i].binary && !s.file_diff[i].hunk_nr)
|
|
binary_count++;
|
|
else if (patch_update_file(&s, s.file_diff + i))
|
|
break;
|
|
|
|
if (s.file_diff_nr == 0)
|
|
fprintf(stderr, _("No changes.\n"));
|
|
else if (binary_count == s.file_diff_nr)
|
|
fprintf(stderr, _("Only binary files changed.\n"));
|
|
|
|
add_p_state_clear(&s);
|
|
return 0;
|
|
}
|