git-add -u: match the index with working tree.

This is a shorthand of what "git commit -a" does in preparation
for making a commit, which is:

    git diff-files --name-only -z | git update-index --remove -z --stdin

Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Junio C Hamano 2007-04-20 01:39:39 -07:00
parent 2c9750cc8b
commit dfdac5d9b8

View File

@ -8,10 +8,15 @@
#include "dir.h"
#include "exec_cmd.h"
#include "cache-tree.h"
#include "diff.h"
#include "diffcore.h"
#include "commit.h"
#include "revision.h"
static const char builtin_add_usage[] =
"git-add [-n] [-v] [-f] [--interactive | -i] [--] <filepattern>...";
"git-add [-n] [-v] [-f] [--interactive | -i] [-u] [--] <filepattern>...";
static int take_all_worktree_changes;
static const char *excludes_file;
static void prune_directory(struct dir_struct *dir, const char **pathspec, int prefix)
@ -92,6 +97,44 @@ static void fill_directory(struct dir_struct *dir, const char **pathspec)
prune_directory(dir, pathspec, baselen);
}
static void update_callback(struct diff_queue_struct *q,
struct diff_options *opt, void *cbdata)
{
int i, verbose;
verbose = *((int *)cbdata);
for (i = 0; i < q->nr; i++) {
struct diff_filepair *p = q->queue[i];
const char *path = p->one->path;
switch (p->status) {
default:
die("unexpacted diff status %c", p->status);
case DIFF_STATUS_UNMERGED:
case DIFF_STATUS_MODIFIED:
add_file_to_cache(path, verbose);
break;
case DIFF_STATUS_DELETED:
remove_file_from_cache(path);
if (verbose)
printf("remove '%s'\n", path);
break;
}
}
}
static void update_all(int verbose)
{
struct rev_info rev;
init_revisions(&rev, "");
setup_revisions(0, NULL, &rev, NULL);
rev.diffopt.output_format = DIFF_FORMAT_CALLBACK;
rev.diffopt.format_callback = update_callback;
rev.diffopt.format_callback_data = &verbose;
if (read_cache() < 0)
die("index file corrupt");
run_diff_files(&rev, 0);
}
static int git_add_config(const char *var, const char *value)
{
if (!strcmp(var, "core.excludesfile")) {
@ -156,8 +199,20 @@ int cmd_add(int argc, const char **argv, const char *prefix)
verbose = 1;
continue;
}
if (!strcmp(arg, "-u")) {
take_all_worktree_changes = 1;
continue;
}
usage(builtin_add_usage);
}
if (take_all_worktree_changes) {
if (i < argc)
die("-u and explicit paths are incompatible");
update_all(verbose);
goto finish;
}
if (argc <= i) {
fprintf(stderr, "Nothing specified, nothing added.\n");
fprintf(stderr, "Maybe you wanted to say 'git add .'?\n");
@ -207,6 +262,7 @@ int cmd_add(int argc, const char **argv, const char *prefix)
for (i = 0; i < dir.nr; i++)
add_file_to_cache(dir.entries[i]->name, verbose);
finish:
if (active_cache_changed) {
if (write_cache(newfd, active_cache, active_nr) ||
close(newfd) || commit_locked_index(&lock_file))