git/wt-status.c

593 lines
15 KiB
C
Raw Normal View History

#include "cache.h"
#include "wt-status.h"
#include "object.h"
#include "dir.h"
#include "commit.h"
#include "diff.h"
#include "revision.h"
#include "diffcore.h"
#include "quote.h"
#include "run-command.h"
#include "remote.h"
static char default_wt_status_colors[][COLOR_MAXLEN] = {
GIT_COLOR_NORMAL, /* WT_STATUS_HEADER */
GIT_COLOR_GREEN, /* WT_STATUS_UPDATED */
GIT_COLOR_RED, /* WT_STATUS_CHANGED */
GIT_COLOR_RED, /* WT_STATUS_UNTRACKED */
GIT_COLOR_RED, /* WT_STATUS_NOBRANCH */
GIT_COLOR_RED, /* WT_STATUS_UNMERGED */
};
static const char *color(int slot, struct wt_status *s)
{
return s->use_color > 0 ? s->color_palette[slot] : "";
}
void wt_status_prepare(struct wt_status *s)
{
unsigned char sha1[20];
const char *head;
memset(s, 0, sizeof(*s));
memcpy(s->color_palette, default_wt_status_colors,
sizeof(default_wt_status_colors));
s->show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES;
s->use_color = -1;
s->relative_paths = 1;
head = resolve_ref("HEAD", sha1, 0, NULL);
s->branch = head ? xstrdup(head) : NULL;
s->reference = "HEAD";
s->fp = stdout;
s->index_file = get_index_file();
s->change.strdup_strings = 1;
s->untracked.strdup_strings = 1;
}
static void wt_status_print_unmerged_header(struct wt_status *s)
{
const char *c = color(WT_STATUS_HEADER, s);
color_fprintf_ln(s->fp, c, "# Unmerged paths:");
if (!s->is_initial)
color_fprintf_ln(s->fp, c, "# (use \"git reset %s <file>...\" to unstage)", s->reference);
else
color_fprintf_ln(s->fp, c, "# (use \"git rm --cached <file>...\" to unstage)");
color_fprintf_ln(s->fp, c, "# (use \"git add <file>...\" to mark resolution)");
color_fprintf_ln(s->fp, c, "#");
}
static void wt_status_print_cached_header(struct wt_status *s)
{
const char *c = color(WT_STATUS_HEADER, s);
color_fprintf_ln(s->fp, c, "# Changes to be committed:");
if (!s->is_initial) {
color_fprintf_ln(s->fp, c, "# (use \"git reset %s <file>...\" to unstage)", s->reference);
} else {
color_fprintf_ln(s->fp, c, "# (use \"git rm --cached <file>...\" to unstage)");
}
color_fprintf_ln(s->fp, c, "#");
}
static void wt_status_print_dirty_header(struct wt_status *s,
int has_deleted)
{
const char *c = color(WT_STATUS_HEADER, s);
color_fprintf_ln(s->fp, c, "# Changed but not updated:");
if (!has_deleted)
color_fprintf_ln(s->fp, c, "# (use \"git add <file>...\" to update what will be committed)");
else
color_fprintf_ln(s->fp, c, "# (use \"git add/rm <file>...\" to update what will be committed)");
color_fprintf_ln(s->fp, c, "# (use \"git checkout -- <file>...\" to discard changes in working directory)");
color_fprintf_ln(s->fp, c, "#");
}
static void wt_status_print_untracked_header(struct wt_status *s)
{
const char *c = color(WT_STATUS_HEADER, s);
color_fprintf_ln(s->fp, c, "# Untracked files:");
color_fprintf_ln(s->fp, c, "# (use \"git add <file>...\" to include in what will be committed)");
color_fprintf_ln(s->fp, c, "#");
}
static void wt_status_print_trailer(struct wt_status *s)
{
color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "#");
}
#define quote_path quote_path_relative
static void wt_status_print_unmerged_data(struct wt_status *s,
struct string_list_item *it)
{
const char *c = color(WT_STATUS_UNMERGED, s);
struct wt_status_change_data *d = it->util;
struct strbuf onebuf = STRBUF_INIT;
const char *one, *how = "bug";
one = quote_path(it->string, -1, &onebuf, s->prefix);
color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "#\t");
switch (d->stagemask) {
case 1: how = "both deleted:"; break;
case 2: how = "added by us:"; break;
case 3: how = "deleted by them:"; break;
case 4: how = "added by them:"; break;
case 5: how = "deleted by us:"; break;
case 6: how = "both added:"; break;
case 7: how = "both modified:"; break;
}
color_fprintf(s->fp, c, "%-20s%s\n", how, one);
strbuf_release(&onebuf);
}
static void wt_status_print_change_data(struct wt_status *s,
int change_type,
struct string_list_item *it)
{
struct wt_status_change_data *d = it->util;
const char *c = color(change_type, s);
int status = status;
char *one_name;
char *two_name;
const char *one, *two;
struct strbuf onebuf = STRBUF_INIT, twobuf = STRBUF_INIT;
one_name = two_name = it->string;
switch (change_type) {
case WT_STATUS_UPDATED:
status = d->index_status;
if (d->head_path)
one_name = d->head_path;
break;
case WT_STATUS_CHANGED:
status = d->worktree_status;
break;
}
one = quote_path(one_name, -1, &onebuf, s->prefix);
two = quote_path(two_name, -1, &twobuf, s->prefix);
color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "#\t");
switch (status) {
case DIFF_STATUS_ADDED:
color_fprintf(s->fp, c, "new file: %s", one);
break;
case DIFF_STATUS_COPIED:
color_fprintf(s->fp, c, "copied: %s -> %s", one, two);
break;
case DIFF_STATUS_DELETED:
color_fprintf(s->fp, c, "deleted: %s", one);
break;
case DIFF_STATUS_MODIFIED:
color_fprintf(s->fp, c, "modified: %s", one);
break;
case DIFF_STATUS_RENAMED:
color_fprintf(s->fp, c, "renamed: %s -> %s", one, two);
break;
case DIFF_STATUS_TYPE_CHANGED:
color_fprintf(s->fp, c, "typechange: %s", one);
break;
case DIFF_STATUS_UNKNOWN:
color_fprintf(s->fp, c, "unknown: %s", one);
break;
case DIFF_STATUS_UNMERGED:
color_fprintf(s->fp, c, "unmerged: %s", one);
break;
default:
die("bug: unhandled diff status %c", status);
}
fprintf(s->fp, "\n");
strbuf_release(&onebuf);
strbuf_release(&twobuf);
}
static void wt_status_collect_changed_cb(struct diff_queue_struct *q,
struct diff_options *options,
void *data)
{
struct wt_status *s = data;
int i;
if (!q->nr)
return;
s->workdir_dirty = 1;
for (i = 0; i < q->nr; i++) {
struct diff_filepair *p;
struct string_list_item *it;
struct wt_status_change_data *d;
p = q->queue[i];
it = string_list_insert(p->one->path, &s->change);
d = it->util;
if (!d) {
d = xcalloc(1, sizeof(*d));
it->util = d;
}
if (!d->worktree_status)
d->worktree_status = p->status;
}
}
static int unmerged_mask(const char *path)
{
int pos, mask;
struct cache_entry *ce;
pos = cache_name_pos(path, strlen(path));
if (0 <= pos)
return 0;
mask = 0;
pos = -pos-1;
while (pos < active_nr) {
ce = active_cache[pos++];
if (strcmp(ce->name, path) || !ce_stage(ce))
break;
mask |= (1 << (ce_stage(ce) - 1));
}
return mask;
}
static void wt_status_collect_updated_cb(struct diff_queue_struct *q,
struct diff_options *options,
void *data)
{
struct wt_status *s = data;
int i;
for (i = 0; i < q->nr; i++) {
struct diff_filepair *p;
struct string_list_item *it;
struct wt_status_change_data *d;
p = q->queue[i];
it = string_list_insert(p->two->path, &s->change);
d = it->util;
if (!d) {
d = xcalloc(1, sizeof(*d));
it->util = d;
}
if (!d->index_status)
d->index_status = p->status;
switch (p->status) {
case DIFF_STATUS_COPIED:
case DIFF_STATUS_RENAMED:
d->head_path = xstrdup(p->one->path);
break;
case DIFF_STATUS_UNMERGED:
d->stagemask = unmerged_mask(p->two->path);
break;
}
}
}
static void wt_status_collect_changes_worktree(struct wt_status *s)
{
struct rev_info rev;
init_revisions(&rev, NULL);
setup_revisions(0, NULL, &rev, NULL);
rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
rev.diffopt.format_callback = wt_status_collect_changed_cb;
rev.diffopt.format_callback_data = s;
run_diff_files(&rev, 0);
}
static void wt_status_collect_changes_index(struct wt_status *s)
{
struct rev_info rev;
init_revisions(&rev, NULL);
setup_revisions(0, NULL, &rev,
s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference);
rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
rev.diffopt.format_callback = wt_status_collect_updated_cb;
rev.diffopt.format_callback_data = s;
rev.diffopt.detect_rename = 1;
rev.diffopt.rename_limit = 200;
rev.diffopt.break_opt = 0;
run_diff_index(&rev, 1);
}
static void wt_status_collect_changes_initial(struct wt_status *s)
{
int i;
for (i = 0; i < active_nr; i++) {
struct string_list_item *it;
struct wt_status_change_data *d;
struct cache_entry *ce = active_cache[i];
it = string_list_insert(ce->name, &s->change);
d = it->util;
if (!d) {
d = xcalloc(1, sizeof(*d));
it->util = d;
}
if (ce_stage(ce)) {
d->index_status = DIFF_STATUS_UNMERGED;
d->stagemask |= (1 << (ce_stage(ce) - 1));
}
else
d->index_status = DIFF_STATUS_ADDED;
}
}
static void wt_status_collect_untracked(struct wt_status *s)
{
int i;
struct dir_struct dir;
if (!s->show_untracked_files)
return;
memset(&dir, 0, sizeof(dir));
if (s->show_untracked_files != SHOW_ALL_UNTRACKED_FILES)
dir.flags |=
DIR_SHOW_OTHER_DIRECTORIES | DIR_HIDE_EMPTY_DIRECTORIES;
setup_standard_excludes(&dir);
fill_directory(&dir, NULL);
for(i = 0; i < dir.nr; i++) {
struct dir_entry *ent = dir.entries[i];
if (!cache_name_is_other(ent->name, ent->len))
continue;
s->workdir_untracked = 1;
string_list_insert(ent->name, &s->untracked);
}
}
void wt_status_collect(struct wt_status *s)
{
wt_status_collect_changes_worktree(s);
if (s->is_initial)
wt_status_collect_changes_initial(s);
else
wt_status_collect_changes_index(s);
wt_status_collect_untracked(s);
}
static void wt_status_print_unmerged(struct wt_status *s)
{
int shown_header = 0;
int i;
for (i = 0; i < s->change.nr; i++) {
struct wt_status_change_data *d;
struct string_list_item *it;
it = &(s->change.items[i]);
d = it->util;
if (!d->stagemask)
continue;
if (!shown_header) {
wt_status_print_unmerged_header(s);
shown_header = 1;
}
wt_status_print_unmerged_data(s, it);
}
if (shown_header)
wt_status_print_trailer(s);
}
static void wt_status_print_updated(struct wt_status *s)
{
int shown_header = 0;
int i;
for (i = 0; i < s->change.nr; i++) {
struct wt_status_change_data *d;
struct string_list_item *it;
it = &(s->change.items[i]);
d = it->util;
if (!d->index_status ||
d->index_status == DIFF_STATUS_UNMERGED)
continue;
if (!shown_header) {
wt_status_print_cached_header(s);
s->commitable = 1;
shown_header = 1;
}
wt_status_print_change_data(s, WT_STATUS_UPDATED, it);
}
if (shown_header)
wt_status_print_trailer(s);
}
/*
* -1 : has delete
* 0 : no change
* 1 : some change but no delete
*/
static int wt_status_check_worktree_changes(struct wt_status *s)
{
int i;
int changes = 0;
for (i = 0; i < s->change.nr; i++) {
struct wt_status_change_data *d;
d = s->change.items[i].util;
if (!d->worktree_status ||
d->worktree_status == DIFF_STATUS_UNMERGED)
continue;
changes = 1;
if (d->worktree_status == DIFF_STATUS_DELETED)
return -1;
}
return changes;
}
static void wt_status_print_changed(struct wt_status *s)
{
int i;
int worktree_changes = wt_status_check_worktree_changes(s);
if (!worktree_changes)
return;
wt_status_print_dirty_header(s, worktree_changes < 0);
for (i = 0; i < s->change.nr; i++) {
struct wt_status_change_data *d;
struct string_list_item *it;
it = &(s->change.items[i]);
d = it->util;
if (!d->worktree_status ||
d->worktree_status == DIFF_STATUS_UNMERGED)
continue;
wt_status_print_change_data(s, WT_STATUS_CHANGED, it);
}
wt_status_print_trailer(s);
}
static void wt_status_print_submodule_summary(struct wt_status *s)
{
struct child_process sm_summary;
char summary_limit[64];
char index[PATH_MAX];
const char *env[] = { index, NULL };
const char *argv[] = {
"submodule",
"summary",
"--cached",
"--for-status",
"--summary-limit",
summary_limit,
s->amend ? "HEAD^" : "HEAD",
NULL
};
sprintf(summary_limit, "%d", s->submodule_summary);
snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", s->index_file);
memset(&sm_summary, 0, sizeof(sm_summary));
sm_summary.argv = argv;
sm_summary.env = env;
sm_summary.git_cmd = 1;
sm_summary.no_stdin = 1;
fflush(s->fp);
sm_summary.out = dup(fileno(s->fp)); /* run_command closes it */
run_command(&sm_summary);
}
static void wt_status_print_untracked(struct wt_status *s)
{
int i;
struct strbuf buf = STRBUF_INIT;
if (!s->untracked.nr)
return;
wt_status_print_untracked_header(s);
for (i = 0; i < s->untracked.nr; i++) {
struct string_list_item *it;
it = &(s->untracked.items[i]);
color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "#\t");
color_fprintf_ln(s->fp, color(WT_STATUS_UNTRACKED, s), "%s",
quote_path(it->string, strlen(it->string),
&buf, s->prefix));
}
strbuf_release(&buf);
}
static void wt_status_print_verbose(struct wt_status *s)
{
struct rev_info rev;
init_revisions(&rev, NULL);
DIFF_OPT_SET(&rev.diffopt, ALLOW_TEXTCONV);
setup_revisions(0, NULL, &rev,
s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference);
rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
rev.diffopt.detect_rename = 1;
rev.diffopt.file = s->fp;
rev.diffopt.close_file = 0;
/*
* If we're not going to stdout, then we definitely don't
* want color, since we are going to the commit message
* file (and even the "auto" setting won't work, since it
* will have checked isatty on stdout).
*/
if (s->fp != stdout)
DIFF_OPT_CLR(&rev.diffopt, COLOR_DIFF);
run_diff_index(&rev, 1);
}
static void wt_status_print_tracking(struct wt_status *s)
{
struct strbuf sb = STRBUF_INIT;
const char *cp, *ep;
struct branch *branch;
assert(s->branch && !s->is_initial);
if (prefixcmp(s->branch, "refs/heads/"))
return;
branch = branch_get(s->branch + 11);
if (!format_tracking_info(branch, &sb))
return;
for (cp = sb.buf; (ep = strchr(cp, '\n')) != NULL; cp = ep + 1)
color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s),
"# %.*s", (int)(ep - cp), cp);
color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "#");
}
void wt_status_print(struct wt_status *s)
{
unsigned char sha1[20];
const char *branch_color = color(WT_STATUS_HEADER, s);
s->is_initial = get_sha1(s->reference, sha1) ? 1 : 0;
if (s->branch) {
const char *on_what = "On branch ";
const char *branch_name = s->branch;
if (!prefixcmp(branch_name, "refs/heads/"))
branch_name += 11;
else if (!strcmp(branch_name, "HEAD")) {
branch_name = "";
branch_color = color(WT_STATUS_NOBRANCH, s);
on_what = "Not currently on any branch.";
}
color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "# ");
color_fprintf_ln(s->fp, branch_color, "%s%s", on_what, branch_name);
if (!s->is_initial)
wt_status_print_tracking(s);
}
wt_status_collect(s);
if (s->is_initial) {
color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "#");
color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "# Initial commit");
color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "#");
}
wt_status_print_unmerged(s);
wt_status_print_updated(s);
wt_status_print_changed(s);
if (s->submodule_summary)
wt_status_print_submodule_summary(s);
if (s->show_untracked_files)
wt_status_print_untracked(s);
else if (s->commitable)
fprintf(s->fp, "# Untracked files not listed (use -u option to show untracked files)\n");
if (s->verbose)
wt_status_print_verbose(s);
if (!s->commitable) {
if (s->amend)
fprintf(s->fp, "# No changes\n");
else if (s->nowarn)
; /* nothing */
else if (s->workdir_dirty)
printf("no changes added to commit (use \"git add\" and/or \"git commit -a\")\n");
else if (s->untracked.nr)
printf("nothing added to commit but untracked files present (use \"git add\" to track)\n");
else if (s->is_initial)
printf("nothing to commit (create/copy files and use \"git add\" to track)\n");
else if (!s->show_untracked_files)
printf("nothing to commit (use -u to show untracked files)\n");
else
printf("nothing to commit (working directory clean)\n");
}
}