git/builtin/add.c
Junio C Hamano 29b2041c2a Merge branch 'jk/add-e-kill-editor'
"git add -e" did not allow the user to abort the operation by
killing the editor.

* jk/add-e-kill-editor:
  add: check return value of launch_editor
2015-05-22 12:41:55 -07:00

453 lines
12 KiB
C

/*
* "git add" builtin command
*
* Copyright (C) 2006 Linus Torvalds
*/
#include "cache.h"
#include "builtin.h"
#include "lockfile.h"
#include "dir.h"
#include "pathspec.h"
#include "exec_cmd.h"
#include "cache-tree.h"
#include "run-command.h"
#include "parse-options.h"
#include "diff.h"
#include "diffcore.h"
#include "revision.h"
#include "bulk-checkin.h"
#include "argv-array.h"
static const char * const builtin_add_usage[] = {
N_("git add [<options>] [--] <pathspec>..."),
NULL
};
static int patch_interactive, add_interactive, edit_interactive;
static int take_worktree_changes;
struct update_callback_data {
int flags;
int add_errors;
};
static int fix_unmerged_status(struct diff_filepair *p,
struct update_callback_data *data)
{
if (p->status != DIFF_STATUS_UNMERGED)
return p->status;
if (!(data->flags & ADD_CACHE_IGNORE_REMOVAL) && !p->two->mode)
/*
* This is not an explicit add request, and the
* path is missing from the working tree (deleted)
*/
return DIFF_STATUS_DELETED;
else
/*
* Either an explicit add request, or path exists
* in the working tree. An attempt to explicitly
* add a path that does not exist in the working tree
* will be caught as an error by the caller immediately.
*/
return DIFF_STATUS_MODIFIED;
}
static void update_callback(struct diff_queue_struct *q,
struct diff_options *opt, void *cbdata)
{
int i;
struct update_callback_data *data = cbdata;
for (i = 0; i < q->nr; i++) {
struct diff_filepair *p = q->queue[i];
const char *path = p->one->path;
switch (fix_unmerged_status(p, data)) {
default:
die(_("unexpected diff status %c"), p->status);
case DIFF_STATUS_ADDED:
case DIFF_STATUS_MODIFIED:
case DIFF_STATUS_TYPE_CHANGED:
if (add_file_to_index(&the_index, path, data->flags)) {
if (!(data->flags & ADD_CACHE_IGNORE_ERRORS))
die(_("updating files failed"));
data->add_errors++;
}
break;
case DIFF_STATUS_DELETED:
if (data->flags & ADD_CACHE_IGNORE_REMOVAL)
break;
if (!(data->flags & ADD_CACHE_PRETEND))
remove_file_from_index(&the_index, path);
if (data->flags & (ADD_CACHE_PRETEND|ADD_CACHE_VERBOSE))
printf(_("remove '%s'\n"), path);
break;
}
}
}
int add_files_to_cache(const char *prefix,
const struct pathspec *pathspec, int flags)
{
struct update_callback_data data;
struct rev_info rev;
memset(&data, 0, sizeof(data));
data.flags = flags;
init_revisions(&rev, prefix);
setup_revisions(0, NULL, &rev, NULL);
if (pathspec)
copy_pathspec(&rev.prune_data, pathspec);
rev.diffopt.output_format = DIFF_FORMAT_CALLBACK;
rev.diffopt.format_callback = update_callback;
rev.diffopt.format_callback_data = &data;
rev.max_count = 0; /* do not compare unmerged paths with stage #2 */
run_diff_files(&rev, DIFF_RACY_IS_MODIFIED);
return !!data.add_errors;
}
static char *prune_directory(struct dir_struct *dir, struct pathspec *pathspec, int prefix)
{
char *seen;
int i;
struct dir_entry **src, **dst;
seen = xcalloc(pathspec->nr, 1);
src = dst = dir->entries;
i = dir->nr;
while (--i >= 0) {
struct dir_entry *entry = *src++;
if (dir_path_match(entry, pathspec, prefix, seen))
*dst++ = entry;
}
dir->nr = dst - dir->entries;
add_pathspec_matches_against_index(pathspec, seen);
return seen;
}
static void refresh(int verbose, const struct pathspec *pathspec)
{
char *seen;
int i;
seen = xcalloc(pathspec->nr, 1);
refresh_index(&the_index, verbose ? REFRESH_IN_PORCELAIN : REFRESH_QUIET,
pathspec, seen, _("Unstaged changes after refreshing the index:"));
for (i = 0; i < pathspec->nr; i++) {
if (!seen[i])
die(_("pathspec '%s' did not match any files"),
pathspec->items[i].match);
}
free(seen);
}
int run_add_interactive(const char *revision, const char *patch_mode,
const struct pathspec *pathspec)
{
int status, i;
struct argv_array argv = ARGV_ARRAY_INIT;
argv_array_push(&argv, "add--interactive");
if (patch_mode)
argv_array_push(&argv, patch_mode);
if (revision)
argv_array_push(&argv, revision);
argv_array_push(&argv, "--");
for (i = 0; i < pathspec->nr; i++)
/* pass original pathspec, to be re-parsed */
argv_array_push(&argv, pathspec->items[i].original);
status = run_command_v_opt(argv.argv, RUN_GIT_CMD);
argv_array_clear(&argv);
return status;
}
int interactive_add(int argc, const char **argv, const char *prefix, int patch)
{
struct pathspec pathspec;
parse_pathspec(&pathspec, 0,
PATHSPEC_PREFER_FULL |
PATHSPEC_SYMLINK_LEADING_PATH |
PATHSPEC_PREFIX_ORIGIN,
prefix, argv);
return run_add_interactive(NULL,
patch ? "--patch" : NULL,
&pathspec);
}
static int edit_patch(int argc, const char **argv, const char *prefix)
{
char *file = git_pathdup("ADD_EDIT.patch");
const char *apply_argv[] = { "apply", "--recount", "--cached",
NULL, NULL };
struct child_process child = CHILD_PROCESS_INIT;
struct rev_info rev;
int out;
struct stat st;
apply_argv[3] = file;
git_config(git_diff_basic_config, NULL); /* no "diff" UI options */
if (read_cache() < 0)
die(_("Could not read the index"));
init_revisions(&rev, prefix);
rev.diffopt.context = 7;
argc = setup_revisions(argc, argv, &rev, NULL);
rev.diffopt.output_format = DIFF_FORMAT_PATCH;
rev.diffopt.use_color = 0;
DIFF_OPT_SET(&rev.diffopt, IGNORE_DIRTY_SUBMODULES);
out = open(file, O_CREAT | O_WRONLY, 0666);
if (out < 0)
die(_("Could not open '%s' for writing."), file);
rev.diffopt.file = xfdopen(out, "w");
rev.diffopt.close_file = 1;
if (run_diff_files(&rev, 0))
die(_("Could not write patch"));
if (launch_editor(file, NULL, NULL))
die(_("editing patch failed"));
if (stat(file, &st))
die_errno(_("Could not stat '%s'"), file);
if (!st.st_size)
die(_("Empty patch. Aborted."));
child.git_cmd = 1;
child.argv = apply_argv;
if (run_command(&child))
die(_("Could not apply '%s'"), file);
unlink(file);
free(file);
return 0;
}
static struct lock_file lock_file;
static const char ignore_error[] =
N_("The following paths are ignored by one of your .gitignore files:\n");
static int verbose, show_only, ignored_too, refresh_only;
static int ignore_add_errors, intent_to_add, ignore_missing;
#define ADDREMOVE_DEFAULT 1
static int addremove = ADDREMOVE_DEFAULT;
static int addremove_explicit = -1; /* unspecified */
static int ignore_removal_cb(const struct option *opt, const char *arg, int unset)
{
/* if we are told to ignore, we are not adding removals */
*(int *)opt->value = !unset ? 0 : 1;
return 0;
}
static struct option builtin_add_options[] = {
OPT__DRY_RUN(&show_only, N_("dry run")),
OPT__VERBOSE(&verbose, N_("be verbose")),
OPT_GROUP(""),
OPT_BOOL('i', "interactive", &add_interactive, N_("interactive picking")),
OPT_BOOL('p', "patch", &patch_interactive, N_("select hunks interactively")),
OPT_BOOL('e', "edit", &edit_interactive, N_("edit current diff and apply")),
OPT__FORCE(&ignored_too, N_("allow adding otherwise ignored files")),
OPT_BOOL('u', "update", &take_worktree_changes, N_("update tracked files")),
OPT_BOOL('N', "intent-to-add", &intent_to_add, N_("record only the fact that the path will be added later")),
OPT_BOOL('A', "all", &addremove_explicit, N_("add changes from all tracked and untracked files")),
{ OPTION_CALLBACK, 0, "ignore-removal", &addremove_explicit,
NULL /* takes no arguments */,
N_("ignore paths removed in the working tree (same as --no-all)"),
PARSE_OPT_NOARG, ignore_removal_cb },
OPT_BOOL( 0 , "refresh", &refresh_only, N_("don't add, only refresh the index")),
OPT_BOOL( 0 , "ignore-errors", &ignore_add_errors, N_("just skip files which cannot be added because of errors")),
OPT_BOOL( 0 , "ignore-missing", &ignore_missing, N_("check if - even missing - files are ignored in dry run")),
OPT_END(),
};
static int add_config(const char *var, const char *value, void *cb)
{
if (!strcmp(var, "add.ignoreerrors") ||
!strcmp(var, "add.ignore-errors")) {
ignore_add_errors = git_config_bool(var, value);
return 0;
}
return git_default_config(var, value, cb);
}
static int add_files(struct dir_struct *dir, int flags)
{
int i, exit_status = 0;
if (dir->ignored_nr) {
fprintf(stderr, _(ignore_error));
for (i = 0; i < dir->ignored_nr; i++)
fprintf(stderr, "%s\n", dir->ignored[i]->name);
fprintf(stderr, _("Use -f if you really want to add them.\n"));
exit_status = 1;
}
for (i = 0; i < dir->nr; i++)
if (add_file_to_cache(dir->entries[i]->name, flags)) {
if (!ignore_add_errors)
die(_("adding files failed"));
exit_status = 1;
}
return exit_status;
}
int cmd_add(int argc, const char **argv, const char *prefix)
{
int exit_status = 0;
struct pathspec pathspec;
struct dir_struct dir;
int flags;
int add_new_files;
int require_pathspec;
char *seen = NULL;
git_config(add_config, NULL);
argc = parse_options(argc, argv, prefix, builtin_add_options,
builtin_add_usage, PARSE_OPT_KEEP_ARGV0);
if (patch_interactive)
add_interactive = 1;
if (add_interactive)
exit(interactive_add(argc - 1, argv + 1, prefix, patch_interactive));
if (edit_interactive)
return(edit_patch(argc, argv, prefix));
argc--;
argv++;
if (0 <= addremove_explicit)
addremove = addremove_explicit;
else if (take_worktree_changes && ADDREMOVE_DEFAULT)
addremove = 0; /* "-u" was given but not "-A" */
if (addremove && take_worktree_changes)
die(_("-A and -u are mutually incompatible"));
if (!take_worktree_changes && addremove_explicit < 0 && argc)
/* Turn "git add pathspec..." to "git add -A pathspec..." */
addremove = 1;
if (!show_only && ignore_missing)
die(_("Option --ignore-missing can only be used together with --dry-run"));
if ((0 < addremove_explicit || take_worktree_changes) && !argc) {
static const char *whole[2] = { ":/", NULL };
argc = 1;
argv = whole;
}
add_new_files = !take_worktree_changes && !refresh_only;
require_pathspec = !take_worktree_changes;
hold_locked_index(&lock_file, 1);
flags = ((verbose ? ADD_CACHE_VERBOSE : 0) |
(show_only ? ADD_CACHE_PRETEND : 0) |
(intent_to_add ? ADD_CACHE_INTENT : 0) |
(ignore_add_errors ? ADD_CACHE_IGNORE_ERRORS : 0) |
(!(addremove || take_worktree_changes)
? ADD_CACHE_IGNORE_REMOVAL : 0));
if (require_pathspec && argc == 0) {
fprintf(stderr, _("Nothing specified, nothing added.\n"));
fprintf(stderr, _("Maybe you wanted to say 'git add .'?\n"));
return 0;
}
if (read_cache() < 0)
die(_("index file corrupt"));
/*
* Check the "pathspec '%s' did not match any files" block
* below before enabling new magic.
*/
parse_pathspec(&pathspec, 0,
PATHSPEC_PREFER_FULL |
PATHSPEC_SYMLINK_LEADING_PATH |
PATHSPEC_STRIP_SUBMODULE_SLASH_EXPENSIVE,
prefix, argv);
if (add_new_files) {
int baselen;
struct pathspec empty_pathspec;
/* Set up the default git porcelain excludes */
memset(&dir, 0, sizeof(dir));
if (!ignored_too) {
dir.flags |= DIR_COLLECT_IGNORED;
setup_standard_excludes(&dir);
}
memset(&empty_pathspec, 0, sizeof(empty_pathspec));
/* This picks up the paths that are not tracked */
baselen = fill_directory(&dir, &pathspec);
if (pathspec.nr)
seen = prune_directory(&dir, &pathspec, baselen);
}
if (refresh_only) {
refresh(verbose, &pathspec);
goto finish;
}
if (pathspec.nr) {
int i;
if (!seen)
seen = find_pathspecs_matching_against_index(&pathspec);
/*
* file_exists() assumes exact match
*/
GUARD_PATHSPEC(&pathspec,
PATHSPEC_FROMTOP |
PATHSPEC_LITERAL |
PATHSPEC_GLOB |
PATHSPEC_ICASE |
PATHSPEC_EXCLUDE);
for (i = 0; i < pathspec.nr; i++) {
const char *path = pathspec.items[i].match;
if (pathspec.items[i].magic & PATHSPEC_EXCLUDE)
continue;
if (!seen[i] && path[0] &&
((pathspec.items[i].magic &
(PATHSPEC_GLOB | PATHSPEC_ICASE)) ||
!file_exists(path))) {
if (ignore_missing) {
int dtype = DT_UNKNOWN;
if (is_excluded(&dir, path, &dtype))
dir_add_ignored(&dir, path, pathspec.items[i].len);
} else
die(_("pathspec '%s' did not match any files"),
pathspec.items[i].original);
}
}
free(seen);
}
plug_bulk_checkin();
exit_status |= add_files_to_cache(prefix, &pathspec, flags);
if (add_new_files)
exit_status |= add_files(&dir, flags);
unplug_bulk_checkin();
finish:
if (active_cache_changed) {
if (write_locked_index(&the_index, &lock_file, COMMIT_LOCK))
die(_("Unable to write new index file"));
}
return exit_status;
}