* Based on git-branch.sh by Junio C Hamano.
*/
-#include "color.h"
#include "cache.h"
+#include "color.h"
#include "refs.h"
#include "commit.h"
#include "builtin.h"
static const char builtin_branch_usage[] =
-"git-branch (-d | -D) <branchname> | [-l] [-f] <branchname> [<start-point>] | [-r | -a] [-v] [--abbrev=<length>] ";
+ "git-branch [-r] (-d | -D) <branchname> | [-l] [-f] <branchname> [<start-point>] | (-m | -M) [<oldbranch>] <newbranch> | [-r | -a] [-v [--abbrev=<length>]]";
+#define REF_UNKNOWN_TYPE 0x00
+#define REF_LOCAL_BRANCH 0x01
+#define REF_REMOTE_BRANCH 0x02
+#define REF_TAG 0x04
static const char *head;
static unsigned char head_sha1[20];
return "";
}
-static int in_merge_bases(const unsigned char *sha1,
- struct commit *rev1,
- struct commit *rev2)
-{
- struct commit_list *bases, *b;
- int ret = 0;
-
- bases = get_merge_bases(rev1, rev2, 1);
- for (b = bases; b; b = b->next) {
- if (!hashcmp(sha1, b->item->object.sha1)) {
- ret = 1;
- break;
- }
- }
-
- free_commit_list(bases);
- return ret;
-}
-
-static void delete_branches(int argc, const char **argv, int force)
+static int delete_branches(int argc, const char **argv, int force, int kinds)
{
struct commit *rev, *head_rev = head_rev;
unsigned char sha1[20];
- char *name;
+ char *name = NULL;
+ const char *fmt, *remote;
int i;
+ int ret = 0;
+
+ switch (kinds) {
+ case REF_REMOTE_BRANCH:
+ fmt = "refs/remotes/%s";
+ remote = "remote ";
+ force = 1;
+ break;
+ case REF_LOCAL_BRANCH:
+ fmt = "refs/heads/%s";
+ remote = "";
+ break;
+ default:
+ die("cannot use -a with -d");
+ }
if (!force) {
head_rev = lookup_commit_reference(head_sha1);
die("Couldn't look up commit object for HEAD");
}
for (i = 0; i < argc; i++) {
- if (!strcmp(head, argv[i]))
- die("Cannot delete the branch you are currently on.");
+ if (kinds == REF_LOCAL_BRANCH && !strcmp(head, argv[i])) {
+ error("Cannot delete the branch '%s' "
+ "which you are currently on.", argv[i]);
+ ret = 1;
+ continue;
+ }
- name = xstrdup(mkpath("refs/heads/%s", argv[i]));
- if (!resolve_ref(name, sha1, 1, NULL))
- die("Branch '%s' not found.", argv[i]);
+ if (name)
+ free(name);
+
+ name = xstrdup(mkpath(fmt, argv[i]));
+ if (!resolve_ref(name, sha1, 1, NULL)) {
+ error("%sbranch '%s' not found.",
+ remote, argv[i]);
+ ret = 1;
+ continue;
+ }
rev = lookup_commit_reference(sha1);
- if (!rev)
- die("Couldn't look up commit object for '%s'", name);
+ if (!rev) {
+ error("Couldn't look up commit object for '%s'", name);
+ ret = 1;
+ continue;
+ }
/* This checks whether the merge bases of branch and
* HEAD contains branch -- which means that the HEAD
*/
if (!force &&
- !in_merge_bases(sha1, rev, head_rev)) {
- fprintf(stderr,
- "The branch '%s' is not a strict subset of your current HEAD.\n"
- "If you are sure you want to delete it, run 'git branch -D %s'.\n",
- argv[i], argv[i]);
- exit(1);
+ !in_merge_bases(rev, head_rev)) {
+ error("The branch '%s' is not a strict subset of "
+ "your current HEAD.\n"
+ "If you are sure you want to delete it, "
+ "run 'git branch -D %s'.", argv[i], argv[i]);
+ ret = 1;
+ continue;
}
- if (delete_ref(name, sha1))
- printf("Error deleting branch '%s'\n", argv[i]);
- else
- printf("Deleted branch %s.\n", argv[i]);
+ if (delete_ref(name, sha1)) {
+ error("Error deleting %sbranch '%s'", remote,
+ argv[i]);
+ ret = 1;
+ } else
+ printf("Deleted %sbranch %s.\n", remote, argv[i]);
- free(name);
}
-}
-#define REF_UNKNOWN_TYPE 0x00
-#define REF_LOCAL_BRANCH 0x01
-#define REF_REMOTE_BRANCH 0x02
-#define REF_TAG 0x04
+ if (name)
+ free(name);
+
+ return(ret);
+}
struct ref_item {
char *name;
die("Failed to write ref: %s.", strerror(errno));
}
+static void rename_branch(const char *oldname, const char *newname, int force)
+{
+ char oldref[PATH_MAX], newref[PATH_MAX], logmsg[PATH_MAX*2 + 100];
+ unsigned char sha1[20];
+
+ if (snprintf(oldref, sizeof(oldref), "refs/heads/%s", oldname) > sizeof(oldref))
+ die("Old branchname too long");
+
+ if (check_ref_format(oldref))
+ die("Invalid branch name: %s", oldref);
+
+ if (snprintf(newref, sizeof(newref), "refs/heads/%s", newname) > sizeof(newref))
+ die("New branchname too long");
+
+ if (check_ref_format(newref))
+ die("Invalid branch name: %s", newref);
+
+ if (resolve_ref(newref, sha1, 1, NULL) && !force)
+ die("A branch named '%s' already exists.", newname);
+
+ snprintf(logmsg, sizeof(logmsg), "Branch: renamed %s to %s",
+ oldref, newref);
+
+ if (rename_ref(oldref, newref, logmsg))
+ die("Branch rename failed");
+
+ if (!strcmp(oldname, head) && create_symref("HEAD", newref))
+ die("Branch renamed to %s, but HEAD is not updated!", newname);
+}
+
int cmd_branch(int argc, const char **argv, const char *prefix)
{
int delete = 0, force_delete = 0, force_create = 0;
+ int rename = 0, force_rename = 0;
int verbose = 0, abbrev = DEFAULT_ABBREV;
int reflog = 0;
int kinds = REF_LOCAL_BRANCH;
int i;
+ setup_ident();
git_config(git_branch_config);
for (i = 1; i < argc; i++) {
force_create = 1;
continue;
}
+ if (!strcmp(arg, "-m")) {
+ rename = 1;
+ continue;
+ }
+ if (!strcmp(arg, "-M")) {
+ rename = 1;
+ force_rename = 1;
+ continue;
+ }
if (!strcmp(arg, "-r")) {
kinds = REF_REMOTE_BRANCH;
continue;
usage(builtin_branch_usage);
}
+ if ((delete && rename) || (delete && force_create) ||
+ (rename && force_create))
+ usage(builtin_branch_usage);
+
head = xstrdup(resolve_ref("HEAD", head_sha1, 0, NULL));
if (!head)
die("Failed to resolve HEAD as a valid ref.");
head += 11;
if (delete)
- delete_branches(argc - i, argv + i, force_delete);
+ return delete_branches(argc - i, argv + i, force_delete, kinds);
else if (i == argc)
print_ref_list(kinds, verbose, abbrev);
+ else if (rename && (i == argc - 1))
+ rename_branch(head, argv[i], force_rename);
+ else if (rename && (i == argc - 2))
+ rename_branch(argv[i], argv[i + 1], force_rename);
else if (i == argc - 1)
create_branch(argv[i], head, force_create, reflog);
else if (i == argc - 2)
projects / git.git / blobdiff