mirror of
https://github.com/git/git
synced 2024-08-27 11:39:22 +00:00
![Steven Grimm](/assets/img/avatar_default.png)
Signed-off-by: Steven Grimm <koreth@midwinter.com> Signed-off-by: Junio C Hamano <junkio@cox.net>
245 lines
5.6 KiB
C
245 lines
5.6 KiB
C
/*
|
|
* "git rm" builtin command
|
|
*
|
|
* Copyright (C) Linus Torvalds 2006
|
|
*/
|
|
#include "cache.h"
|
|
#include "builtin.h"
|
|
#include "dir.h"
|
|
#include "cache-tree.h"
|
|
#include "tree-walk.h"
|
|
|
|
static const char builtin_rm_usage[] =
|
|
"git-rm [-f] [-n] [-r] [--cached] [--ignore-unmatch] [--quiet] [--] <file>...";
|
|
|
|
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 && errno == ENOENT)
|
|
/* The user has removed it from the filesystem by hand */
|
|
ret = errno = 0;
|
|
|
|
if (!ret && (slash = strrchr(name, '/'))) {
|
|
char *n = xstrdup(name);
|
|
do {
|
|
n[slash - name] = 0;
|
|
name = n;
|
|
} while (!rmdir(name) && (slash = strrchr(name, '/')));
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static int check_local_mod(unsigned char *head)
|
|
{
|
|
/* items in list are already sorted in the cache order,
|
|
* so we could do this a lot more efficiently by using
|
|
* tree_desc based traversal if we wanted to, but I am
|
|
* lazy, and who cares if removal of files is a tad
|
|
* slower than the theoretical maximum speed?
|
|
*/
|
|
int i, no_head;
|
|
int errs = 0;
|
|
|
|
no_head = is_null_sha1(head);
|
|
for (i = 0; i < list.nr; i++) {
|
|
struct stat st;
|
|
int pos;
|
|
struct cache_entry *ce;
|
|
const char *name = list.name[i];
|
|
unsigned char sha1[20];
|
|
unsigned mode;
|
|
|
|
pos = cache_name_pos(name, strlen(name));
|
|
if (pos < 0)
|
|
continue; /* removing unmerged entry */
|
|
ce = active_cache[pos];
|
|
|
|
if (lstat(ce->name, &st) < 0) {
|
|
if (errno != ENOENT)
|
|
fprintf(stderr, "warning: '%s': %s",
|
|
ce->name, strerror(errno));
|
|
/* It already vanished from the working tree */
|
|
continue;
|
|
}
|
|
else if (S_ISDIR(st.st_mode)) {
|
|
/* if a file was removed and it is now a
|
|
* directory, that is the same as ENOENT as
|
|
* far as git is concerned; we do not track
|
|
* directories.
|
|
*/
|
|
continue;
|
|
}
|
|
if (ce_match_stat(ce, &st, 0))
|
|
errs = error("'%s' has local modifications "
|
|
"(hint: try -f)", ce->name);
|
|
if (no_head
|
|
|| get_tree_entry(head, name, sha1, &mode)
|
|
|| ce->ce_mode != create_ce_mode(mode)
|
|
|| hashcmp(ce->sha1, sha1))
|
|
errs = error("'%s' has changes staged in the index "
|
|
"(hint: try -f)", name);
|
|
}
|
|
return errs;
|
|
}
|
|
|
|
static struct lock_file lock_file;
|
|
|
|
int cmd_rm(int argc, const char **argv, const char *prefix)
|
|
{
|
|
int i, newfd;
|
|
int show_only = 0, force = 0, index_only = 0, recursive = 0, quiet = 0;
|
|
int ignore_unmatch = 0;
|
|
const char **pathspec;
|
|
char *seen;
|
|
|
|
git_config(git_default_config);
|
|
|
|
newfd = hold_locked_index(&lock_file, 1);
|
|
|
|
if (read_cache() < 0)
|
|
die("index file corrupt");
|
|
|
|
for (i = 1 ; i < argc ; i++) {
|
|
const char *arg = argv[i];
|
|
|
|
if (*arg != '-')
|
|
break;
|
|
else if (!strcmp(arg, "--")) {
|
|
i++;
|
|
break;
|
|
}
|
|
else if (!strcmp(arg, "-n"))
|
|
show_only = 1;
|
|
else if (!strcmp(arg, "--cached"))
|
|
index_only = 1;
|
|
else if (!strcmp(arg, "-f"))
|
|
force = 1;
|
|
else if (!strcmp(arg, "-r"))
|
|
recursive = 1;
|
|
else if (!strcmp(arg, "--quiet"))
|
|
quiet = 1;
|
|
else if (!strcmp(arg, "--ignore-unmatch"))
|
|
ignore_unmatch = 1;
|
|
else
|
|
usage(builtin_rm_usage);
|
|
}
|
|
if (argc <= i)
|
|
usage(builtin_rm_usage);
|
|
|
|
pathspec = get_pathspec(prefix, argv + i);
|
|
seen = NULL;
|
|
for (i = 0; pathspec[i] ; i++)
|
|
/* nothing */;
|
|
seen = xcalloc(i, 1);
|
|
|
|
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;
|
|
int seen_any = 0;
|
|
for (i = 0; (match = pathspec[i]) != NULL ; i++) {
|
|
if (!seen[i]) {
|
|
if (!ignore_unmatch) {
|
|
die("pathspec '%s' did not match any files",
|
|
match);
|
|
}
|
|
}
|
|
else {
|
|
seen_any = 1;
|
|
}
|
|
if (!recursive && seen[i] == MATCHED_RECURSIVELY)
|
|
die("not removing '%s' recursively without -r",
|
|
*match ? match : ".");
|
|
}
|
|
|
|
if (! seen_any)
|
|
exit(0);
|
|
}
|
|
|
|
/*
|
|
* If not forced, the file, the index and the HEAD (if exists)
|
|
* must match; but the file can already been removed, since
|
|
* this sequence is a natural "novice" way:
|
|
*
|
|
* rm F; git rm F
|
|
*
|
|
* Further, if HEAD commit exists, "diff-index --cached" must
|
|
* report no changes unless forced.
|
|
*/
|
|
if (!force) {
|
|
unsigned char sha1[20];
|
|
if (get_sha1("HEAD", sha1))
|
|
hashclr(sha1);
|
|
if (check_local_mod(sha1))
|
|
exit(1);
|
|
}
|
|
|
|
/*
|
|
* 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];
|
|
if (!quiet)
|
|
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);
|
|
}
|
|
|
|
if (show_only)
|
|
return 0;
|
|
|
|
/*
|
|
* Then, unless we used "--cached", 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 ourselves and can't fail
|
|
* in the middle)
|
|
*/
|
|
if (!index_only) {
|
|
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) ||
|
|
close(newfd) || commit_locked_index(&lock_file))
|
|
die("Unable to write new index file");
|
|
}
|
|
|
|
return 0;
|
|
}
|