#include "builtin.h"
#include "dir.h"
#include "cache-tree.h"
+#include "tree-walk.h"
static const char builtin_rm_usage[] =
-"git-rm [-n] [-v] [-f] <filepattern>...";
+"git-rm [-f] [-n] [-r] [--cached] [--ignore-unmatch] [--quiet] [--] <file>...";
static struct {
int nr, alloc;
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 = strdup(name);
+ char *n = xstrdup(name);
do {
n[slash - name] = 0;
name = n;
return ret;
}
-static struct cache_file cache_file;
+static int check_local_mod(unsigned char *head, int index_only)
+{
+ /* 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;
+ int local_changes = 0;
+ int staged_changes = 0;
-int cmd_rm(int argc, const char **argv, char **envp)
+ 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))
+ local_changes = 1;
+ if (no_head
+ || get_tree_entry(head, name, sha1, &mode)
+ || ce->ce_mode != create_ce_mode(mode)
+ || hashcmp(ce->sha1, sha1))
+ staged_changes = 1;
+
+ if (local_changes && staged_changes)
+ errs = error("'%s' has staged content different "
+ "from both the file and the HEAD\n"
+ "(use -f to force removal)", name);
+ else if (!index_only) {
+ /* It's not dangerous to git-rm --cached a
+ * file if the index matches the file or the
+ * HEAD, since it means the deleted content is
+ * still available somewhere.
+ */
+ if (staged_changes)
+ errs = error("'%s' has changes staged in the index\n"
+ "(use --cached to keep the file, "
+ "or -f to force removal)", name);
+ if (local_changes)
+ errs = error("'%s' has local modifications\n"
+ "(use --cached to keep the file, "
+ "or -f to force removal)", name);
+ }
+ }
+ return errs;
+}
+
+static struct lock_file lock_file;
+
+int cmd_rm(int argc, const char **argv, const char *prefix)
{
int i, newfd;
- int verbose = 0, show_only = 0, force = 0;
- const char *prefix = setup_git_directory();
+ 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_index_file_for_update(&cache_file, get_index_file());
- if (newfd < 0)
- die("unable to create new index file");
+ newfd = hold_locked_index(&lock_file, 1);
if (read_cache() < 0)
die("index file corrupt");
if (*arg != '-')
break;
- if (!strcmp(arg, "--")) {
+ else if (!strcmp(arg, "--")) {
i++;
break;
}
- if (!strcmp(arg, "-n")) {
+ else if (!strcmp(arg, "-n"))
show_only = 1;
- continue;
- }
- if (!strcmp(arg, "-v")) {
- verbose = 1;
- continue;
- }
- if (!strcmp(arg, "-f")) {
+ else if (!strcmp(arg, "--cached"))
+ index_only = 1;
+ else if (!strcmp(arg, "-f"))
force = 1;
- continue;
- }
- die(builtin_rm_usage);
+ 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);
}
- pathspec = get_pathspec(prefix, argv + i);
+ if (argc <= i)
+ usage(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; pathspec[i] ; i++)
+ /* nothing */;
+ seen = xcalloc(i, 1);
for (i = 0; i < active_nr; i++) {
struct cache_entry *ce = active_cache[i];
if (pathspec) {
const char *match;
+ int seen_any = 0;
for (i = 0; (match = pathspec[i]) != NULL ; i++) {
- if (*match && !seen[i])
- die("pathspec '%s' did not match any files", match);
+ 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, index_only))
+ exit(1);
}
/*
* First remove the names from the index: we won't commit
- * the index unless all of them succeed
+ * 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 (!quiet)
+ printf("rm '%s'\n", path);
if (remove_file_from_cache(path))
- die("git rm: unable to remove %s", path);
+ die("git-rm: unable to remove %s", path);
cache_tree_invalidate_path(active_cache_tree, path);
}
+ if (show_only)
+ return 0;
+
/*
- * Then, if we used "-f", remove the filenames from the
- * workspace. If we fail to remove the first one, we
+ * 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 ourself and can't fail
+ * by then we've already committed ourselves and can't fail
* in the middle)
*/
- if (force) {
+ if (!index_only) {
int removed = 0;
for (i = 0; i < list.nr; i++) {
const char *path = list.name[i];
continue;
}
if (!removed)
- die("git rm: %s: %s", path, strerror(errno));
+ die("git-rm: %s: %s", path, strerror(errno));
}
}
if (active_cache_changed) {
if (write_cache(newfd, active_cache, active_nr) ||
- commit_index_file(&cache_file))
+ close(newfd) || commit_locked_index(&lock_file))
die("Unable to write new index file");
}