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/*
* "git rm" builtin command
*
* Copyright (C) Linus Torvalds 2006
*/
#include "cache.h"
#include "builtin.h"
#include "dir.h"
#include "cache-tree.h"
static const char builtin_rm_usage[] =
"git-rm [-n] [-v] [-f] <filepattern>...";
static struct {
int nr, alloc;
const char **name;
} list;
static void add_list(const char *name)
{
if (list.nr >= list.alloc) {
list.alloc = alloc_nr(list.alloc);
list.name = xrealloc(list.name, list.alloc * sizeof(const char *));
}
list.name[list.nr++] = name;
}
static int remove_file(const char *name)
{
int ret;
char *slash;
ret = unlink(name);
if (!ret && (slash = strrchr(name, '/'))) {
char *n = strdup(name);
do {
n[slash - name] = 0;
name = n;
} while (!rmdir(name) && (slash = strrchr(name, '/')));
}
return ret;
}
static struct lock_file lock_file;
int cmd_rm(int argc, const char **argv, char **envp)
{
int i, newfd;
int verbose = 0, show_only = 0, force = 0;
const char *prefix = setup_git_directory();
const char **pathspec;
char *seen;
git_config(git_default_config);
newfd = hold_lock_file_for_update(&lock_file, get_index_file());
if (newfd < 0)
die("unable to create new index file");
if (read_cache() < 0)
die("index file corrupt");
for (i = 1 ; i < argc ; i++) {
const char *arg = argv[i];
if (*arg != '-')
break;
if (!strcmp(arg, "--")) {
i++;
break;
}
if (!strcmp(arg, "-n")) {
show_only = 1;
continue;
}
if (!strcmp(arg, "-v")) {
verbose = 1;
continue;
}
if (!strcmp(arg, "-f")) {
force = 1;
continue;
}
die(builtin_rm_usage);
}
pathspec = get_pathspec(prefix, argv + i);
seen = NULL;
if (pathspec) {
for (i = 0; pathspec[i] ; i++)
/* nothing */;
seen = xmalloc(i);
memset(seen, 0, i);
}
for (i = 0; i < active_nr; i++) {
struct cache_entry *ce = active_cache[i];
if (!match_pathspec(pathspec, ce->name, ce_namelen(ce), 0, seen))
continue;
add_list(ce->name);
}
if (pathspec) {
const char *match;
for (i = 0; (match = pathspec[i]) != NULL ; i++) {
if (*match && !seen[i])
die("pathspec '%s' did not match any files", match);
}
}
/*
* First remove the names from the index: we won't commit
* the index unless all of them succeed
*/
for (i = 0; i < list.nr; i++) {
const char *path = list.name[i];
printf("rm '%s'\n", path);
if (remove_file_from_cache(path))
die("git rm: unable to remove %s", path);
cache_tree_invalidate_path(active_cache_tree, path);
}
/*
* Then, if we used "-f", remove the filenames from the
* workspace. If we fail to remove the first one, we
* abort the "git rm" (but once we've successfully removed
* any file at all, we'll go ahead and commit to it all:
* by then we've already committed ourself and can't fail
* in the middle)
*/
if (force) {
int removed = 0;
for (i = 0; i < list.nr; i++) {
const char *path = list.name[i];
if (!remove_file(path)) {
removed = 1;
continue;
}
if (!removed)
die("git rm: %s: %s", path, strerror(errno));
}
}
if (active_cache_changed) {
if (write_cache(newfd, active_cache, active_nr) ||
commit_lock_file(&lock_file))
die("Unable to write new index file");
}
return 0;
}
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