int git_branch_move(
git_reference **out,
git_reference *branch,
const char *new_branch_name,
int force)
{
git_buf new_reference_name = GIT_BUF_INIT,
old_config_section = GIT_BUF_INIT,
new_config_section = GIT_BUF_INIT,
log_message = GIT_BUF_INIT;
int error;
assert(branch && new_branch_name);
if (!git_reference_is_branch(branch))
return not_a_local_branch(git_reference_name(branch));
if ((error = git_buf_joinpath(&new_reference_name, GIT_REFS_HEADS_DIR, new_branch_name)) < 0)
goto done;
if ((error = git_buf_printf(&log_message, "branch: renamed %s to %s",
git_reference_name(branch), git_buf_cstr(&new_reference_name))) < 0)
goto done;
/* first update ref then config so failure won't trash config */
error = git_reference_rename(
out, branch, git_buf_cstr(&new_reference_name), force,
git_buf_cstr(&log_message));
if (error < 0)
goto done;
git_buf_join(&old_config_section, '.', "branch",
git_reference_name(branch) + strlen(GIT_REFS_HEADS_DIR));
git_buf_join(&new_config_section, '.', "branch", new_branch_name);
error = git_config_rename_section(
git_reference_owner(branch),
git_buf_cstr(&old_config_section),
git_buf_cstr(&new_config_section));
done:
git_buf_free(&new_reference_name);
git_buf_free(&old_config_section);
git_buf_free(&new_config_section);
git_buf_free(&log_message);
return error;
}
static void rename_branch(const char *oldname, const char *newname, int force)
{
struct strbuf oldref = STRBUF_INIT, newref = STRBUF_INIT, logmsg = STRBUF_INIT;
unsigned char sha1[20];
struct strbuf oldsection = STRBUF_INIT, newsection = STRBUF_INIT;
int recovery = 0;
if (!oldname)
die(_("cannot rename the current branch while not on any."));
if (strbuf_check_branch_ref(&oldref, oldname)) {
/*
* Bad name --- this could be an attempt to rename a
* ref that we used to allow to be created by accident.
*/
if (resolve_ref(oldref.buf, sha1, 1, NULL))
recovery = 1;
else
die(_("Invalid branch name: '%s'"), oldname);
}
validate_new_branchname(newname, &newref, force, 0);
strbuf_addf(&logmsg, "Branch: renamed %s to %s",
oldref.buf, newref.buf);
if (rename_ref(oldref.buf, newref.buf, logmsg.buf))
die(_("Branch rename failed"));
strbuf_release(&logmsg);
if (recovery)
warning(_("Renamed a misnamed branch '%s' away"), oldref.buf + 11);
/* no need to pass logmsg here as HEAD didn't really move */
if (!strcmp(oldname, head) && create_symref("HEAD", newref.buf, NULL))
die(_("Branch renamed to %s, but HEAD is not updated!"), newname);
strbuf_addf(&oldsection, "branch.%s", oldref.buf + 11);
strbuf_release(&oldref);
strbuf_addf(&newsection, "branch.%s", newref.buf + 11);
strbuf_release(&newref);
if (git_config_rename_section(oldsection.buf, newsection.buf) < 0)
die(_("Branch is renamed, but update of config-file failed"));
strbuf_release(&oldsection);
strbuf_release(&newsection);
}
int git_branch_move(
git_reference *branch,
const char *new_branch_name,
int force)
{
git_buf new_reference_name = GIT_BUF_INIT,
old_config_section = GIT_BUF_INIT,
new_config_section = GIT_BUF_INIT;
int error;
assert(branch && new_branch_name);
if (!git_reference_is_branch(branch))
return not_a_local_branch(branch);
if ((error = git_buf_joinpath(&new_reference_name, GIT_REFS_HEADS_DIR, new_branch_name)) < 0)
goto cleanup;
if (git_buf_printf(
&old_config_section,
"branch.%s",
git_reference_name(branch) + strlen(GIT_REFS_HEADS_DIR)) < 0)
goto cleanup;
if ((error = git_reference_rename(branch, git_buf_cstr(&new_reference_name), force)) < 0)
goto cleanup;
if (git_buf_printf(&new_config_section, "branch.%s", new_branch_name) < 0)
goto cleanup;
if ((error = git_config_rename_section(
git_reference_owner(branch),
git_buf_cstr(&old_config_section),
git_buf_cstr(&new_config_section))) < 0)
goto cleanup;
cleanup:
git_buf_free(&new_reference_name);
git_buf_free(&old_config_section);
git_buf_free(&new_config_section);
return error;
}
static void rename_branch(const char *oldname, const char *newname, int force)
{
struct strbuf oldref = STRBUF_INIT, newref = STRBUF_INIT, logmsg = STRBUF_INIT;
unsigned char sha1[20];
struct strbuf oldsection = STRBUF_INIT, newsection = STRBUF_INIT;
if (!oldname)
die("cannot rename the current branch while not on any.");
strbuf_addf(&oldref, "refs/heads/%s", oldname);
if (check_ref_format(oldref.buf))
die("Invalid branch name: %s", oldref.buf);
strbuf_addf(&newref, "refs/heads/%s", newname);
if (check_ref_format(newref.buf))
die("Invalid branch name: %s", newref.buf);
if (resolve_ref(newref.buf, sha1, 1, NULL) && !force)
die("A branch named '%s' already exists.", newname);
strbuf_addf(&logmsg, "Branch: renamed %s to %s",
oldref.buf, newref.buf);
if (rename_ref(oldref.buf, newref.buf, logmsg.buf))
die("Branch rename failed");
strbuf_release(&logmsg);
/* no need to pass logmsg here as HEAD didn't really move */
if (!strcmp(oldname, head) && create_symref("HEAD", newref.buf, NULL))
die("Branch renamed to %s, but HEAD is not updated!", newname);
strbuf_addf(&oldsection, "branch.%s", oldref.buf + 11);
strbuf_release(&oldref);
strbuf_addf(&newsection, "branch.%s", newref.buf + 11);
strbuf_release(&newref);
if (git_config_rename_section(oldsection.buf, newsection.buf) < 0)
die("Branch is renamed, but update of config-file failed");
strbuf_release(&oldsection);
strbuf_release(&newsection);
}
int git_branch_delete(git_reference *branch)
{
int is_head;
git_buf config_section = GIT_BUF_INIT;
int error = -1;
assert(branch);
if (!git_reference_is_branch(branch) &&
!git_reference_is_remote(branch)) {
giterr_set(GITERR_INVALID, "Reference '%s' is not a valid branch.", git_reference_name(branch));
return -1;
}
if ((is_head = git_branch_is_head(branch)) < 0)
return is_head;
if (is_head) {
giterr_set(GITERR_REFERENCE,
"Cannot delete branch '%s' as it is the current HEAD of the repository.", git_reference_name(branch));
return -1;
}
if (git_buf_printf(&config_section, "branch.%s", git_reference_name(branch) + strlen(GIT_REFS_HEADS_DIR)) < 0)
goto on_error;
if (git_config_rename_section(
git_reference_owner(branch),
git_buf_cstr(&config_section),
NULL) < 0)
goto on_error;
if (git_reference_delete(branch) < 0)
goto on_error;
error = 0;
on_error:
git_buf_free(&config_section);
return error;
}
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 = NULL;
const char *fmt, *remote;
int i;
int ret = 0;
struct strbuf bname = STRBUF_INIT;
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);
if (!head_rev)
die("Couldn't look up commit object for HEAD");
}
for (i = 0; i < argc; i++, strbuf_release(&bname)) {
int len = strlen(argv[i]);
if (interpret_nth_last_branch(argv[i], &bname) != len)
strbuf_add(&bname, argv[i], len);
if (kinds == REF_LOCAL_BRANCH && !strcmp(head, bname.buf)) {
error("Cannot delete the branch '%s' "
"which you are currently on.", bname.buf);
ret = 1;
continue;
}
free(name);
name = xstrdup(mkpath(fmt, bname.buf));
if (!resolve_ref(name, sha1, 1, NULL)) {
error("%sbranch '%s' not found.",
remote, bname.buf);
ret = 1;
continue;
}
rev = lookup_commit_reference(sha1);
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
* contains everything in both.
*/
if (!force &&
!in_merge_bases(rev, &head_rev, 1)) {
error("The branch '%s' is not an ancestor of "
"your current HEAD.\n"
"If you are sure you want to delete it, "
"run 'git branch -D %s'.", bname.buf, bname.buf);
ret = 1;
continue;
}
if (delete_ref(name, sha1, 0)) {
error("Error deleting %sbranch '%s'", remote,
bname.buf);
ret = 1;
} else {
struct strbuf buf = STRBUF_INIT;
printf("Deleted %sbranch %s (%s).\n", remote,
bname.buf,
find_unique_abbrev(sha1, DEFAULT_ABBREV));
strbuf_addf(&buf, "branch.%s", bname.buf);
if (git_config_rename_section(buf.buf, NULL) < 0)
warning("Update of config-file failed");
strbuf_release(&buf);
}
}
free(name);
return(ret);
}
int cmd_config(int argc, const char **argv, const char *prefix)
{
int nongit = !startup_info->have_repository;
char *value;
config_exclusive_filename = getenv(CONFIG_ENVIRONMENT);
argc = parse_options(argc, argv, prefix, builtin_config_options,
builtin_config_usage,
PARSE_OPT_STOP_AT_NON_OPTION);
if (use_global_config + use_system_config + use_local_config + !!given_config_file > 1) {
error("only one config file at a time.");
usage_with_options(builtin_config_usage, builtin_config_options);
}
if (use_global_config) {
char *home = getenv("HOME");
if (home) {
char *user_config = xstrdup(mkpath("%s/.gitconfig", home));
config_exclusive_filename = user_config;
} else {
die("$HOME not set");
}
}
else if (use_system_config)
config_exclusive_filename = git_etc_gitconfig();
else if (use_local_config)
config_exclusive_filename = git_pathdup("config");
else if (given_config_file) {
if (!is_absolute_path(given_config_file) && prefix)
config_exclusive_filename = prefix_filename(prefix,
strlen(prefix),
given_config_file);
else
config_exclusive_filename = given_config_file;
}
if (end_null) {
term = '\0';
delim = '\n';
key_delim = '\n';
}
if (HAS_MULTI_BITS(types)) {
error("only one type at a time.");
usage_with_options(builtin_config_usage, builtin_config_options);
}
if (get_color_slot)
actions |= ACTION_GET_COLOR;
if (get_colorbool_slot)
actions |= ACTION_GET_COLORBOOL;
if ((get_color_slot || get_colorbool_slot) && types) {
error("--get-color and variable type are incoherent");
usage_with_options(builtin_config_usage, builtin_config_options);
}
if (HAS_MULTI_BITS(actions)) {
error("only one action at a time.");
usage_with_options(builtin_config_usage, builtin_config_options);
}
if (actions == 0)
switch (argc) {
case 1: actions = ACTION_GET; break;
case 2: actions = ACTION_SET; break;
case 3: actions = ACTION_SET_ALL; break;
default:
usage_with_options(builtin_config_usage, builtin_config_options);
}
if (actions == ACTION_LIST) {
check_argc(argc, 0, 0);
if (git_config(show_all_config, NULL) < 0) {
if (config_exclusive_filename)
die_errno("unable to read config file '%s'",
config_exclusive_filename);
else
die("error processing config file(s)");
}
}
else if (actions == ACTION_EDIT) {
check_argc(argc, 0, 0);
if (!config_exclusive_filename && nongit)
die("not in a git directory");
git_config(git_default_config, NULL);
launch_editor(config_exclusive_filename ?
config_exclusive_filename : git_path("config"),
NULL, NULL);
}
else if (actions == ACTION_SET) {
int ret;
check_argc(argc, 2, 2);
value = normalize_value(argv[0], argv[1]);
ret = git_config_set(argv[0], value);
if (ret == CONFIG_NOTHING_SET)
error("cannot overwrite multiple values with a single value\n"
" Use a regexp, --add or --set-all to change %s.", argv[0]);
return ret;
}
else if (actions == ACTION_SET_ALL) {
check_argc(argc, 2, 3);
value = normalize_value(argv[0], argv[1]);
return git_config_set_multivar(argv[0], value, argv[2], 0);
}
else if (actions == ACTION_ADD) {
check_argc(argc, 2, 2);
value = normalize_value(argv[0], argv[1]);
return git_config_set_multivar(argv[0], value, "^$", 0);
}
else if (actions == ACTION_REPLACE_ALL) {
check_argc(argc, 2, 3);
value = normalize_value(argv[0], argv[1]);
return git_config_set_multivar(argv[0], value, argv[2], 1);
}
else if (actions == ACTION_GET) {
check_argc(argc, 1, 2);
return get_value(argv[0], argv[1]);
}
else if (actions == ACTION_GET_ALL) {
do_all = 1;
check_argc(argc, 1, 2);
return get_value(argv[0], argv[1]);
}
else if (actions == ACTION_GET_REGEXP) {
show_keys = 1;
use_key_regexp = 1;
do_all = 1;
check_argc(argc, 1, 2);
return get_value(argv[0], argv[1]);
}
else if (actions == ACTION_UNSET) {
check_argc(argc, 1, 2);
if (argc == 2)
return git_config_set_multivar(argv[0], NULL, argv[1], 0);
else
return git_config_set(argv[0], NULL);
}
else if (actions == ACTION_UNSET_ALL) {
check_argc(argc, 1, 2);
return git_config_set_multivar(argv[0], NULL, argv[1], 1);
}
else if (actions == ACTION_RENAME_SECTION) {
int ret;
check_argc(argc, 2, 2);
ret = git_config_rename_section(argv[0], argv[1]);
if (ret < 0)
return ret;
if (ret == 0)
die("No such section!");
}
else if (actions == ACTION_REMOVE_SECTION) {
int ret;
check_argc(argc, 1, 1);
ret = git_config_rename_section(argv[0], NULL);
if (ret < 0)
return ret;
if (ret == 0)
die("No such section!");
}
else if (actions == ACTION_GET_COLOR) {
get_color(argv[0]);
}
else if (actions == ACTION_GET_COLORBOOL) {
if (argc == 1)
stdout_is_tty = git_config_bool("command line", argv[0]);
else if (argc == 0)
stdout_is_tty = isatty(1);
return get_colorbool(argc != 0);
}
return 0;
}
static int delete_branches(int argc, const char **argv, int force, int kinds)
{
struct commit *rev, *head_rev = NULL;
unsigned char sha1[20];
char *name = NULL;
const char *fmt, *remote;
int i;
int ret = 0;
struct strbuf bname = STRBUF_INIT;
switch (kinds) {
case REF_REMOTE_BRANCH:
fmt = "refs/remotes/%s";
/* TRANSLATORS: This is "remote " in "remote branch '%s' not found" */
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);
if (!head_rev)
die(_("Couldn't look up commit object for HEAD"));
}
for (i = 0; i < argc; i++, strbuf_release(&bname)) {
strbuf_branchname(&bname, argv[i]);
if (kinds == REF_LOCAL_BRANCH && !strcmp(head, bname.buf)) {
error(_("Cannot delete the branch '%s' "
"which you are currently on."), bname.buf);
ret = 1;
continue;
}
free(name);
name = xstrdup(mkpath(fmt, bname.buf));
if (!resolve_ref(name, sha1, 1, NULL)) {
error(_("%sbranch '%s' not found."),
remote, bname.buf);
ret = 1;
continue;
}
rev = lookup_commit_reference(sha1);
if (!rev) {
error(_("Couldn't look up commit object for '%s'"), name);
ret = 1;
continue;
}
if (!force && !branch_merged(kinds, bname.buf, rev, head_rev)) {
error(_("The branch '%s' is not fully merged.\n"
"If you are sure you want to delete it, "
"run 'git branch -D %s'."), bname.buf, bname.buf);
ret = 1;
continue;
}
if (delete_ref(name, sha1, 0)) {
error(_("Error deleting %sbranch '%s'"), remote,
bname.buf);
ret = 1;
} else {
struct strbuf buf = STRBUF_INIT;
printf(_("Deleted %sbranch %s (was %s).\n"), remote,
bname.buf,
find_unique_abbrev(sha1, DEFAULT_ABBREV));
strbuf_addf(&buf, "branch.%s", bname.buf);
if (git_config_rename_section(buf.buf, NULL) < 0)
warning(_("Update of config-file failed"));
strbuf_release(&buf);
}
}
free(name);
return(ret);
}
static void copy_or_rename_branch(const char *oldname, const char *newname, int copy, int force)
{
struct strbuf oldref = STRBUF_INIT, newref = STRBUF_INIT, logmsg = STRBUF_INIT;
struct strbuf oldsection = STRBUF_INIT, newsection = STRBUF_INIT;
const char *interpreted_oldname = NULL;
const char *interpreted_newname = NULL;
int recovery = 0;
if (!oldname) {
if (copy)
die(_("cannot copy the current branch while not on any."));
else
die(_("cannot rename the current branch while not on any."));
}
if (strbuf_check_branch_ref(&oldref, oldname)) {
/*
* Bad name --- this could be an attempt to rename a
* ref that we used to allow to be created by accident.
*/
if (ref_exists(oldref.buf))
recovery = 1;
else
die(_("Invalid branch name: '%s'"), oldname);
}
/*
* A command like "git branch -M currentbranch currentbranch" cannot
* cause the worktree to become inconsistent with HEAD, so allow it.
*/
if (!strcmp(oldname, newname))
validate_branchname(newname, &newref);
else
validate_new_branchname(newname, &newref, force);
reject_rebase_or_bisect_branch(oldref.buf);
if (!skip_prefix(oldref.buf, "refs/heads/", &interpreted_oldname) ||
!skip_prefix(newref.buf, "refs/heads/", &interpreted_newname)) {
BUG("expected prefix missing for refs");
}
if (copy)
strbuf_addf(&logmsg, "Branch: copied %s to %s",
oldref.buf, newref.buf);
else
strbuf_addf(&logmsg, "Branch: renamed %s to %s",
oldref.buf, newref.buf);
if (!copy && rename_ref(oldref.buf, newref.buf, logmsg.buf))
die(_("Branch rename failed"));
if (copy && copy_existing_ref(oldref.buf, newref.buf, logmsg.buf))
die(_("Branch copy failed"));
if (recovery) {
if (copy)
warning(_("Created a copy of a misnamed branch '%s'"),
interpreted_oldname);
else
warning(_("Renamed a misnamed branch '%s' away"),
interpreted_oldname);
}
if (!copy &&
replace_each_worktree_head_symref(oldref.buf, newref.buf, logmsg.buf))
die(_("Branch renamed to %s, but HEAD is not updated!"), newname);
strbuf_release(&logmsg);
strbuf_addf(&oldsection, "branch.%s", interpreted_oldname);
strbuf_release(&oldref);
strbuf_addf(&newsection, "branch.%s", interpreted_newname);
strbuf_release(&newref);
if (!copy && git_config_rename_section(oldsection.buf, newsection.buf) < 0)
die(_("Branch is renamed, but update of config-file failed"));
if (copy && strcmp(oldname, newname) && git_config_copy_section(oldsection.buf, newsection.buf) < 0)
die(_("Branch is copied, but update of config-file failed"));
strbuf_release(&oldsection);
strbuf_release(&newsection);
}
int cmd_config(int argc, const char **argv, const char *prefix)
{
int nongit;
char* value;
const char *file = setup_git_directory_gently(&nongit);
while (1 < argc) {
if (!strcmp(argv[1], "--int"))
type = T_INT;
else if (!strcmp(argv[1], "--bool"))
type = T_BOOL;
else if (!strcmp(argv[1], "--bool-or-int"))
type = T_BOOL_OR_INT;
else if (!strcmp(argv[1], "--list") || !strcmp(argv[1], "-l")) {
if (argc != 2)
usage(git_config_set_usage);
if (git_config(show_all_config) < 0 && file && errno)
die("unable to read config file %s: %s", file,
strerror(errno));
return 0;
}
else if (!strcmp(argv[1], "--global")) {
char *home = getenv("HOME");
if (home) {
char *user_config = xstrdup(mkpath("%s/.gitconfig", home));
setenv(CONFIG_ENVIRONMENT, user_config, 1);
free(user_config);
} else {
die("$HOME not set");
}
}
else if (!strcmp(argv[1], "--system"))
setenv(CONFIG_ENVIRONMENT, git_etc_gitconfig(), 1);
else if (!strcmp(argv[1], "--file") || !strcmp(argv[1], "-f")) {
if (argc < 3)
usage(git_config_set_usage);
if (!is_absolute_path(argv[2]) && file)
file = prefix_filename(file, strlen(file),
argv[2]);
else
file = argv[2];
setenv(CONFIG_ENVIRONMENT, file, 1);
argc--;
argv++;
}
else if (!strcmp(argv[1], "--null") || !strcmp(argv[1], "-z")) {
term = '\0';
delim = '\n';
key_delim = '\n';
}
else if (!strcmp(argv[1], "--rename-section")) {
int ret;
if (argc != 4)
usage(git_config_set_usage);
ret = git_config_rename_section(argv[2], argv[3]);
if (ret < 0)
return ret;
if (ret == 0) {
fprintf(stderr, "No such section!\n");
return 1;
}
return 0;
}
else if (!strcmp(argv[1], "--remove-section")) {
int ret;
if (argc != 3)
usage(git_config_set_usage);
ret = git_config_rename_section(argv[2], NULL);
if (ret < 0)
return ret;
if (ret == 0) {
fprintf(stderr, "No such section!\n");
return 1;
}
return 0;
} else if (!strcmp(argv[1], "--get-color")) {
return get_color(argc-2, argv+2);
} else if (!strcmp(argv[1], "--get-colorbool")) {
return get_colorbool(argc-2, argv+2);
} else
break;
argc--;
argv++;
}
switch (argc) {
case 2:
return get_value(argv[1], NULL);
case 3:
if (!strcmp(argv[1], "--unset"))
return git_config_set(argv[2], NULL);
else if (!strcmp(argv[1], "--unset-all"))
return git_config_set_multivar(argv[2], NULL, NULL, 1);
else if (!strcmp(argv[1], "--get"))
return get_value(argv[2], NULL);
else if (!strcmp(argv[1], "--get-all")) {
do_all = 1;
return get_value(argv[2], NULL);
} else if (!strcmp(argv[1], "--get-regexp")) {
show_keys = 1;
use_key_regexp = 1;
do_all = 1;
return get_value(argv[2], NULL);
} else {
value = normalize_value(argv[1], argv[2]);
return git_config_set(argv[1], value);
}
case 4:
if (!strcmp(argv[1], "--unset"))
return git_config_set_multivar(argv[2], NULL, argv[3], 0);
else if (!strcmp(argv[1], "--unset-all"))
return git_config_set_multivar(argv[2], NULL, argv[3], 1);
else if (!strcmp(argv[1], "--get"))
return get_value(argv[2], argv[3]);
else if (!strcmp(argv[1], "--get-all")) {
do_all = 1;
return get_value(argv[2], argv[3]);
} else if (!strcmp(argv[1], "--get-regexp")) {
show_keys = 1;
use_key_regexp = 1;
do_all = 1;
return get_value(argv[2], argv[3]);
} else if (!strcmp(argv[1], "--add")) {
value = normalize_value(argv[2], argv[3]);
return git_config_set_multivar(argv[2], value, "^$", 0);
} else if (!strcmp(argv[1], "--replace-all")) {
value = normalize_value(argv[2], argv[3]);
return git_config_set_multivar(argv[2], value, NULL, 1);
} else {
value = normalize_value(argv[1], argv[2]);
return git_config_set_multivar(argv[1], value, argv[3], 0);
}
case 5:
if (!strcmp(argv[1], "--replace-all")) {
value = normalize_value(argv[2], argv[3]);
return git_config_set_multivar(argv[2], value, argv[4], 1);
}
case 1:
default:
usage(git_config_set_usage);
}
return 0;
}