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/*
* "git add" builtin command
*
* Copyright (C) 2006 Linus Torvalds
*/
#include "cache.h"
#include "builtin.h"
#include "dir.h"
#include "exec_cmd.h"
#include "cache-tree.h"
#include "diff.h"
#include "diffcore.h"
#include "commit.h"
#include "revision.h"
#include "run-command.h"
#include "parse-options.h"
static const char * const builtin_add_usage[] = {
"git-add [options] [--] <filepattern>...",
NULL
};
static int take_worktree_changes;
static void prune_directory(struct dir_struct *dir, const char **pathspec, int prefix)
{
char *seen;
int i, specs;
struct dir_entry **src, **dst;
for (specs = 0; pathspec[specs]; specs++)
/* nothing */;
seen = xcalloc(specs, 1);
src = dst = dir->entries;
i = dir->nr;
while (--i >= 0) {
struct dir_entry *entry = *src++;
if (match_pathspec(pathspec, entry->name, entry->len,
prefix, seen))
*dst++ = entry;
}
dir->nr = dst - dir->entries;
for (i = 0; i < specs; i++) {
if (!seen[i] && !file_exists(pathspec[i]))
die("pathspec '%s' did not match any files",
pathspec[i]);
}
free(seen);
}
static void fill_directory(struct dir_struct *dir, const char **pathspec,
int ignored_too)
{
const char *path, *base;
int baselen;
/* Set up the default git porcelain excludes */
memset(dir, 0, sizeof(*dir));
if (!ignored_too) {
dir->collect_ignored = 1;
setup_standard_excludes(dir);
}
/*
* Calculate common prefix for the pathspec, and
* use that to optimize the directory walk
*/
baselen = common_prefix(pathspec);
path = ".";
base = "";
if (baselen)
path = base = xmemdupz(*pathspec, baselen);
/* Read the directory and prune it */
read_directory(dir, path, base, baselen, pathspec);
if (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("unexpected diff status %c", p->status);
case DIFF_STATUS_UNMERGED:
case DIFF_STATUS_MODIFIED:
case DIFF_STATUS_TYPE_CHANGED:
add_file_to_cache(path, verbose);
break;
case DIFF_STATUS_DELETED:
remove_file_from_cache(path);
if (verbose)
printf("remove '%s'\n", path);
break;
}
}
}
void add_files_to_cache(int verbose, const char *prefix, const char **files)
{
struct rev_info rev;
init_revisions(&rev, prefix);
setup_revisions(0, NULL, &rev, NULL);
rev.prune_data = get_pathspec(prefix, files);
rev.diffopt.output_format = DIFF_FORMAT_CALLBACK;
rev.diffopt.format_callback = update_callback;
rev.diffopt.format_callback_data = &verbose;
run_diff_files(&rev, DIFF_RACY_IS_MODIFIED);
}
static void refresh(int verbose, const char **pathspec)
{
char *seen;
int i, specs;
for (specs = 0; pathspec[specs]; specs++)
/* nothing */;
seen = xcalloc(specs, 1);
if (read_cache() < 0)
die("index file corrupt");
refresh_index(&the_index, verbose ? 0 : REFRESH_QUIET, pathspec, seen);
for (i = 0; i < specs; i++) {
if (!seen[i])
die("pathspec '%s' did not match any files", pathspec[i]);
}
free(seen);
}
int interactive_add(int argc, const char **argv)
{
int status;
const char **args = xmalloc(sizeof(const char *) * (argc + 1));
args[0] = "add--interactive";
memcpy((void *)args + sizeof(const char *), argv, sizeof(const char *) * argc);
args[argc + 1] = NULL;
status = run_command_v_opt(args, RUN_GIT_CMD);
free(args);
return status;
}
static struct lock_file lock_file;
static const char ignore_error[] =
"The following paths are ignored by one of your .gitignore files:\n";
static int verbose = 0, show_only = 0, ignored_too = 0, refresh_only = 0;
static int add_interactive = 0;
static struct option builtin_add_options[] = {
OPT__DRY_RUN(&show_only),
OPT__VERBOSE(&verbose),
OPT_GROUP(""),
OPT_BOOLEAN('i', "interactive", &add_interactive, "interactive picking"),
OPT_BOOLEAN('f', NULL, &ignored_too, "allow adding otherwise ignored files"),
OPT_BOOLEAN('u', NULL, &take_worktree_changes, "update tracked files"),
OPT_BOOLEAN( 0 , "refresh", &refresh_only, "don't add, only refresh the index"),
OPT_END(),
};
int cmd_add(int argc, const char **argv, const char *prefix)
{
int i, newfd;
const char **pathspec;
struct dir_struct dir;
argc = parse_options(argc, argv, builtin_add_options,
builtin_add_usage, 0);
if (add_interactive)
exit(interactive_add(argc, argv));
git_config(git_default_config);
newfd = hold_locked_index(&lock_file, 1);
if (take_worktree_changes) {
if (read_cache() < 0)
die("index file corrupt");
add_files_to_cache(verbose, prefix, argv);
goto finish;
}
if (argc == 0) {
fprintf(stderr, "Nothing specified, nothing added.\n");
fprintf(stderr, "Maybe you wanted to say 'git add .'?\n");
return 0;
}
pathspec = get_pathspec(prefix, argv);
if (refresh_only) {
refresh(verbose, pathspec);
goto finish;
}
fill_directory(&dir, pathspec, ignored_too);
if (show_only) {
const char *sep = "", *eof = "";
for (i = 0; i < dir.nr; i++) {
printf("%s%s", sep, dir.entries[i]->name);
sep = " ";
eof = "\n";
}
fputs(eof, stdout);
return 0;
}
if (read_cache() < 0)
die("index file corrupt");
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");
die("no files added");
}
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))
die("Unable to write new index file");
}
return 0;
}
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