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Merge branch 'lh/branch-rename'

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* lh/branch-rename:
  git-branch: let caller specify logmsg
  rename_ref: use lstat(2) when testing for symlink
  git-branch: add options and tests for branch renaming

Conflicts:

	builtin-branch.c
This commit is contained in:
Junio C Hamano
2006-12-13 11:07:51 -08:00
parent 490e092def 678d0f4cbf
commit abcb49cb56
5 changed files with 257 additions and 26 deletions
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51
builtin-branch.c
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@ -12,7 +12,7 @@
#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 (-d | -D) <branchname> | [-l] [-f] <branchname> [<start-point>] | (-m | -M) [<oldbranch>] <newbranch> | [-r | -a] [-v [--abbrev=<length>]]";
static const char *head;
@ -319,14 +319,46 @@ static void create_branch(const char *name, const char *start,
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++) {
@ -351,6 +383,15 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
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;
@ -382,6 +423,10 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
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.");
@ -393,6 +438,10 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
delete_branches(argc - i, argv + i, force_delete);
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)