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-rw-r--r--builtin/branch.c204
1 files changed, 165 insertions, 39 deletions
diff --git a/builtin/branch.c b/builtin/branch.c
index 51ca6a02d7..0e060f2e4a 100644
--- a/builtin/branch.c
+++ b/builtin/branch.c
@@ -15,6 +15,8 @@
#include "branch.h"
#include "diff.h"
#include "revision.h"
+#include "string-list.h"
+#include "column.h"
static const char * const builtin_branch_usage[] = {
"git branch [options] [-r | -a] [--merged | --no-merged]",
@@ -53,6 +55,9 @@ static enum merge_filter {
} merge_filter;
static unsigned char merge_filter_ref[20];
+static struct string_list output = STRING_LIST_INIT_DUP;
+static unsigned int colopts;
+
static int parse_branch_color_slot(const char *var, int ofs)
{
if (!strcasecmp(var+ofs, "plain"))
@@ -70,6 +75,8 @@ static int parse_branch_color_slot(const char *var, int ofs)
static int git_branch_config(const char *var, const char *value, void *cb)
{
+ if (!prefixcmp(var, "column."))
+ return git_column_config(var, value, "branch", &colopts);
if (!strcmp(var, "color.branch")) {
branch_use_color = git_config_colorbool(var, value);
return 0;
@@ -104,6 +111,7 @@ static int branch_merged(int kind, const char *name,
*/
struct commit *reference_rev = NULL;
const char *reference_name = NULL;
+ void *reference_name_to_free = NULL;
int merged;
if (kind == REF_LOCAL_BRANCH) {
@@ -114,8 +122,8 @@ static int branch_merged(int kind, const char *name,
branch->merge &&
branch->merge[0] &&
branch->merge[0]->dst &&
- (reference_name =
- resolve_ref(branch->merge[0]->dst, sha1, 1, NULL)) != NULL)
+ (reference_name = reference_name_to_free =
+ resolve_refdup(branch->merge[0]->dst, sha1, 1, NULL)) != NULL)
reference_rev = lookup_commit_reference(sha1);
}
if (!reference_rev)
@@ -141,29 +149,32 @@ static int branch_merged(int kind, const char *name,
" '%s', even though it is merged to HEAD."),
name, reference_name);
}
+ free(reference_name_to_free);
return merged;
}
-static int delete_branches(int argc, const char **argv, int force, int kinds)
+static int delete_branches(int argc, const char **argv, int force, int kinds,
+ int quiet)
{
struct commit *rev, *head_rev = NULL;
unsigned char sha1[20];
char *name = NULL;
- const char *fmt, *remote;
+ const char *fmt;
int i;
int ret = 0;
+ int remote_branch = 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 ");
+ /* For subsequent UI messages */
+ remote_branch = 1;
+
force = 1;
break;
case REF_LOCAL_BRANCH:
fmt = "refs/heads/%s";
- remote = "";
break;
default:
die(_("cannot use -a with -d"));
@@ -186,9 +197,10 @@ static int delete_branches(int argc, const char **argv, int force, int kinds)
free(name);
name = xstrdup(mkpath(fmt, bname.buf));
- if (!resolve_ref(name, sha1, 1, NULL)) {
- error(_("%sbranch '%s' not found."),
- remote, bname.buf);
+ if (read_ref(name, sha1)) {
+ error(remote_branch
+ ? _("remote branch '%s' not found.")
+ : _("branch '%s' not found."), bname.buf);
ret = 1;
continue;
}
@@ -209,14 +221,19 @@ static int delete_branches(int argc, const char **argv, int force, int kinds)
}
if (delete_ref(name, sha1, 0)) {
- error(_("Error deleting %sbranch '%s'"), remote,
+ error(remote_branch
+ ? _("Error deleting remote branch '%s'")
+ : _("Error deleting branch '%s'"),
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));
+ if (!quiet)
+ printf(remote_branch
+ ? _("Deleted remote branch %s (was %s).\n")
+ : _("Deleted branch %s (was %s).\n"),
+ 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"));
@@ -250,7 +267,7 @@ static char *resolve_symref(const char *src, const char *prefix)
int flag;
const char *dst, *cp;
- dst = resolve_ref(src, sha1, 0, &flag);
+ dst = resolve_ref_unsafe(src, sha1, 0, &flag);
if (!(dst && (flag & REF_ISSYMREF)))
return NULL;
if (prefix && (cp = skip_prefix(dst, prefix)))
@@ -374,6 +391,7 @@ static void fill_tracking_info(struct strbuf *stat, const char *branch_name,
int show_upstream_ref)
{
int ours, theirs;
+ char *ref = NULL;
struct branch *branch = branch_get(branch_name);
if (!stat_tracking_info(branch, &ours, &theirs)) {
@@ -384,16 +402,29 @@ static void fill_tracking_info(struct strbuf *stat, const char *branch_name,
return;
}
- strbuf_addch(stat, '[');
if (show_upstream_ref)
- strbuf_addf(stat, "%s: ",
- shorten_unambiguous_ref(branch->merge[0]->dst, 0));
- if (!ours)
- strbuf_addf(stat, _("behind %d] "), theirs);
- else if (!theirs)
- strbuf_addf(stat, _("ahead %d] "), ours);
- else
- strbuf_addf(stat, _("ahead %d, behind %d] "), ours, theirs);
+ ref = shorten_unambiguous_ref(branch->merge[0]->dst, 0);
+ if (!ours) {
+ if (ref)
+ strbuf_addf(stat, _("[%s: behind %d]"), ref, theirs);
+ else
+ strbuf_addf(stat, _("[behind %d]"), theirs);
+
+ } else if (!theirs) {
+ if (ref)
+ strbuf_addf(stat, _("[%s: ahead %d]"), ref, ours);
+ else
+ strbuf_addf(stat, _("[ahead %d]"), ours);
+ } else {
+ if (ref)
+ strbuf_addf(stat, _("[%s: ahead %d, behind %d]"),
+ ref, ours, theirs);
+ else
+ strbuf_addf(stat, _("[ahead %d, behind %d]"),
+ ours, theirs);
+ }
+ strbuf_addch(stat, ' ');
+ free(ref);
}
static int matches_merge_filter(struct commit *commit)
@@ -472,7 +503,12 @@ static void print_ref_item(struct ref_item *item, int maxwidth, int verbose,
else if (verbose)
/* " f7c0c00 [ahead 58, behind 197] vcs-svn: drop obj_pool.h" */
add_verbose_info(&out, item, verbose, abbrev);
- printf("%s\n", out.buf);
+ if (column_active(colopts)) {
+ assert(!verbose && "--column and --verbose are incompatible");
+ string_list_append(&output, out.buf);
+ } else {
+ printf("%s\n", out.buf);
+ }
strbuf_release(&name);
strbuf_release(&out);
}
@@ -528,6 +564,10 @@ static int print_ref_list(int kinds, int detached, int verbose, int abbrev, stru
if (merge_filter != NO_FILTER) {
struct commit *filter;
filter = lookup_commit_reference_gently(merge_filter_ref, 0);
+ if (!filter)
+ die("object '%s' does not point to a commit",
+ sha1_to_hex(merge_filter_ref));
+
filter->object.flags |= UNINTERESTING;
add_pending_object(&ref_list.revs,
(struct object *) filter, "");
@@ -565,9 +605,9 @@ static int print_ref_list(int kinds, int detached, int verbose, int abbrev, stru
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;
+ int clobber_head_ok;
if (!oldname)
die(_("cannot rename the current branch while not on any."));
@@ -577,13 +617,19 @@ static void rename_branch(const char *oldname, const char *newname, int force)
* 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))
+ if (ref_exists(oldref.buf))
recovery = 1;
else
die(_("Invalid branch name: '%s'"), oldname);
}
- validate_new_branchname(newname, &newref, force, 0);
+ /*
+ * A command like "git branch -M currentbranch currentbranch" cannot
+ * cause the worktree to become inconsistent with HEAD, so allow it.
+ */
+ clobber_head_ok = !strcmp(oldname, newname);
+
+ validate_new_branchname(newname, &newref, force, clobber_head_ok);
strbuf_addf(&logmsg, "Branch: renamed %s to %s",
oldref.buf, newref.buf);
@@ -623,11 +669,50 @@ static int opt_parse_merge_filter(const struct option *opt, const char *arg, int
return 0;
}
+static const char edit_description[] = "BRANCH_DESCRIPTION";
+
+static int edit_branch_description(const char *branch_name)
+{
+ FILE *fp;
+ int status;
+ struct strbuf buf = STRBUF_INIT;
+ struct strbuf name = STRBUF_INIT;
+
+ read_branch_desc(&buf, branch_name);
+ if (!buf.len || buf.buf[buf.len-1] != '\n')
+ strbuf_addch(&buf, '\n');
+ strbuf_addf(&buf,
+ "# Please edit the description for the branch\n"
+ "# %s\n"
+ "# Lines starting with '#' will be stripped.\n",
+ branch_name);
+ fp = fopen(git_path(edit_description), "w");
+ if ((fwrite(buf.buf, 1, buf.len, fp) < buf.len) || fclose(fp)) {
+ strbuf_release(&buf);
+ return error(_("could not write branch description template: %s"),
+ strerror(errno));
+ }
+ strbuf_reset(&buf);
+ if (launch_editor(git_path(edit_description), &buf, NULL)) {
+ strbuf_release(&buf);
+ return -1;
+ }
+ stripspace(&buf, 1);
+
+ strbuf_addf(&name, "branch.%s.description", branch_name);
+ status = git_config_set(name.buf, buf.buf);
+ strbuf_release(&name);
+ strbuf_release(&buf);
+
+ return status;
+}
+
int cmd_branch(int argc, const char **argv, const char *prefix)
{
int delete = 0, rename = 0, force_create = 0, list = 0;
int verbose = 0, abbrev = -1, detached = 0;
- int reflog = 0;
+ int reflog = 0, edit_description = 0;
+ int quiet = 0;
enum branch_track track;
int kinds = REF_LOCAL_BRANCH;
struct commit_list *with_commit = NULL;
@@ -636,6 +721,7 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
OPT_GROUP("Generic options"),
OPT__VERBOSE(&verbose,
"show hash and subject, give twice for upstream branch"),
+ OPT__QUIET(&quiet, "suppress informational messages"),
OPT_SET_INT('t', "track", &track, "set up tracking mode (see git-pull(1))",
BRANCH_TRACK_EXPLICIT),
OPT_SET_INT( 0, "set-upstream", &track, "change upstream info",
@@ -666,6 +752,8 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
OPT_BIT('M', NULL, &rename, "move/rename a branch, even if target exists", 2),
OPT_BOOLEAN(0, "list", &list, "list branch names"),
OPT_BOOLEAN('l', "create-reflog", &reflog, "create the branch's reflog"),
+ OPT_BOOLEAN(0, "edit-description", &edit_description,
+ "edit the description for the branch"),
OPT__FORCE(&force_create, "force creation (when already exists)"),
{
OPTION_CALLBACK, 0, "no-merged", &merge_filter_ref,
@@ -679,6 +767,7 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
PARSE_OPT_LASTARG_DEFAULT | PARSE_OPT_NONEG,
opt_parse_merge_filter, (intptr_t) "HEAD",
},
+ OPT_COLUMN(0, "column", &colopts, "list branches in columns"),
OPT_END(),
};
@@ -689,10 +778,9 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
track = git_branch_track;
- head = resolve_ref("HEAD", head_sha1, 0, NULL);
+ head = resolve_refdup("HEAD", head_sha1, 0, NULL);
if (!head)
die(_("Failed to resolve HEAD as a valid ref."));
- head = xstrdup(head);
if (!strcmp(head, "HEAD")) {
detached = 1;
} else {
@@ -702,10 +790,11 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
}
hashcpy(merge_filter_ref, head_sha1);
+
argc = parse_options(argc, argv, prefix, options, builtin_branch_usage,
0);
- if (!delete && !rename && !force_create && argc == 0)
+ if (!delete && !rename && !edit_description && argc == 0)
list = 1;
if (!!delete + !!rename + !!force_create + !!list > 1)
@@ -713,24 +802,61 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
if (abbrev == -1)
abbrev = DEFAULT_ABBREV;
+ finalize_colopts(&colopts, -1);
+ if (verbose) {
+ if (explicitly_enable_column(colopts))
+ die(_("--column and --verbose are incompatible"));
+ colopts = 0;
+ }
if (delete)
- return delete_branches(argc, argv, delete > 1, kinds);
- else if (list)
- return print_ref_list(kinds, detached, verbose, abbrev,
- with_commit, argv);
- else if (rename) {
+ return delete_branches(argc, argv, delete > 1, kinds, quiet);
+ else if (list) {
+ int ret = print_ref_list(kinds, detached, verbose, abbrev,
+ with_commit, argv);
+ print_columns(&output, colopts, NULL);
+ string_list_clear(&output, 0);
+ return ret;
+ }
+ else if (edit_description) {
+ const char *branch_name;
+ struct strbuf branch_ref = STRBUF_INIT;
+
+ if (detached)
+ die("Cannot give description to detached HEAD");
+ if (!argc)
+ branch_name = head;
+ else if (argc == 1)
+ branch_name = argv[0];
+ else
+ usage_with_options(builtin_branch_usage, options);
+
+ strbuf_addf(&branch_ref, "refs/heads/%s", branch_name);
+ if (!ref_exists(branch_ref.buf)) {
+ strbuf_release(&branch_ref);
+
+ if (!argc)
+ return error("No commit on branch '%s' yet.",
+ branch_name);
+ else
+ return error("No such branch '%s'.", branch_name);
+ }
+ strbuf_release(&branch_ref);
+
+ if (edit_branch_description(branch_name))
+ return 1;
+ } else if (rename) {
if (argc == 1)
rename_branch(head, argv[0], rename > 1);
else if (argc == 2)
rename_branch(argv[0], argv[1], rename > 1);
else
usage_with_options(builtin_branch_usage, options);
- } else if (argc <= 2) {
+ } else if (argc > 0 && argc <= 2) {
if (kinds != REF_LOCAL_BRANCH)
die(_("-a and -r options to 'git branch' do not make sense with a branch name"));
create_branch(head, argv[0], (argc == 2) ? argv[1] : head,
- force_create, reflog, track);
+ force_create, reflog, 0, quiet, track);
} else
usage_with_options(builtin_branch_usage, options);