#include "remote.h"
#include "parse-options.h"
#include "branch.h"
+#include "diff.h"
+#include "revision.h"
static const char * const builtin_branch_usage[] = {
- "git-branch [options] [-r | -a] [--merged | --no-merged]",
- "git-branch [options] [-l] [-f] <branchname> [<start-point>]",
- "git-branch [options] [-r] (-d | -D) <branchname>",
- "git
-branch [options] (-m | -M) [<oldbranch>] <newbranch>",
+ "git branch [options] [-r | -a] [--merged | --no-merged]",
+ "git branch [options] [-l] [-f] <branchname> [<start-point>]",
+ "git branch [options] [-r] (-d | -D) <branchname>",
+ "git
branch [options] (-m | -M) [<oldbranch>] <newbranch>",
NULL
};
-#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];
static int branch_use_color = -1;
static char branch_colors[][COLOR_MAXLEN] = {
- "\033[m", /* reset */
- "", /* PLAIN (normal) */
- "\033[31m", /* REMOTE (red) */
- "", /* LOCAL (normal) */
- "\033[32m", /* CURRENT (green) */
+ GIT_COLOR_RESET,
+ GIT_COLOR_NORMAL, /* PLAIN */
+ GIT_COLOR_RED, /* REMOTE */
+ GIT_COLOR_NORMAL, /* LOCAL */
+ GIT_COLOR_GREEN, /* CURRENT */
};
enum color_branch {
- COLOR_BRANCH_RESET = 0,
- COLOR_BRANCH_PLAIN = 1,
- COLOR_BRANCH_REMOTE = 2,
- COLOR_BRANCH_LOCAL = 3,
- COLOR_BRANCH_CURRENT = 4,
+ BRANCH_COLOR_RESET = 0,
+ BRANCH_COLOR_PLAIN = 1,
+ BRANCH_COLOR_REMOTE = 2,
+ BRANCH_COLOR_LOCAL = 3,
+ BRANCH_COLOR_CURRENT = 4,
};
-static int mergefilter = -1;
+static enum merge_filter {
+ NO_FILTER = 0,
+ SHOW_NOT_MERGED,
+ SHOW_MERGED,
+} merge_filter;
+static unsigned char merge_filter_ref[20];
static int parse_branch_color_slot(const char *var, int ofs)
{
if (!strcasecmp(var+ofs, "plain"))
- return COLOR_BRANCH_PLAIN;
+ return BRANCH_COLOR_PLAIN;
if (!strcasecmp(var+ofs, "reset"))
- return COLOR_BRANCH_RESET;
+ return BRANCH_COLOR_RESET;
if (!strcasecmp(var+ofs, "remote"))
- return COLOR_BRANCH_REMOTE;
+ return BRANCH_COLOR_REMOTE;
if (!strcasecmp(var+ofs, "local"))
- return COLOR_BRANCH_LOCAL;
+ return BRANCH_COLOR_LOCAL;
if (!strcasecmp(var+ofs, "current"))
- return COLOR_BRANCH_CURRENT;
+ return BRANCH_COLOR_CURRENT;
die("bad config variable '%s'", var);
}
unsigned char sha1[20];
char *name = NULL;
const char *fmt, *remote;
- char section[PATH_MAX];
int i;
int ret = 0;
+ struct strbuf bname = STRBUF_INIT;
switch (kinds) {
case REF_REMOTE_BRANCH:
if (!head_rev)
die("Couldn't look up commit object for HEAD");
}
- for (i = 0; i < argc; i++) {
- if (kinds == REF_LOCAL_BRANCH && !strcmp(head, argv[i])) {
+ 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.", argv[i]);
+ "which you are currently on.", bname.buf);
ret = 1;
continue;
}
free(name);
- name = xstrdup(mkpath(fmt, argv[i]));
+ name = xstrdup(mkpath(fmt, bname.buf));
if (!resolve_ref(name, sha1, 1, NULL)) {
error("%sbranch '%s' not found.",
- remote, argv[i]);
+ remote, bname.buf);
ret = 1;
continue;
}
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'.", argv[i], argv[i]);
+ "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)) {
+ if (delete_ref(name, sha1, 0)) {
error("Error deleting %sbranch '%s'", remote,
- argv[i]);
+ bname.buf);
ret = 1;
} else {
- printf("Deleted %sbranch %s.\n", remote, argv[i]);
- snprintf(section, sizeof(section), "branch.%s",
- argv[i]);
- if (git_config_rename_section(section, NULL) < 0)
+ 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);
}
}
struct ref_item {
char *name;
- unsigned int kind;
- unsigned char sha1[20];
+ char *dest;
+ unsigned int kind, len;
+ struct commit *commit;
};
struct ref_list {
+ struct rev_info revs;
int index, alloc, maxwidth;
struct ref_item *list;
struct commit_list *with_commit;
int kinds;
};
-static int has_commit(const unsigned char *sha1, struct commit_list *with_commit)
+static char *resolve_symref(const char *src, const char *prefix)
{
- struct commit *commit;
-
- if (!with_commit)
- return 1;
- commit = lookup_commit_reference_gently(sha1, 1);
- if (!commit)
- return 0;
- while (with_commit) {
- struct commit *other;
-
- other = with_commit->item;
- with_commit = with_commit->next;
- if (in_merge_bases(other, &commit, 1))
- return 1;
- }
- return 0;
+ unsigned char sha1[20];
+ int flag;
+ const char *dst, *cp;
+
+ dst = resolve_ref(src, sha1, 0, &flag);
+ if (!(dst && (flag & REF_ISSYMREF)))
+ return NULL;
+ if (prefix && (cp = skip_prefix(dst, prefix)))
+ dst = cp;
+ return xstrdup(dst);
}
static int append_ref(const char *refname, const unsigned char *sha1, int flags, void *cb_data)
{
struct ref_list *ref_list = (struct ref_list*)(cb_data);
struct ref_item *newitem;
- int kind = REF_UNKNOWN_TYPE;
- int len;
- static struct commit_list branch;
+ struct commit *commit;
+ int kind, i;
+ const char *prefix, *orig_refname = refname;
+
+ static struct {
+ int kind;
+ const char *prefix;
+ int pfxlen;
+ } ref_kind[] = {
+ { REF_LOCAL_BRANCH, "refs/heads/", 11 },
+ { REF_REMOTE_BRANCH, "refs/remotes/", 13 },
+ };
/* Detect kind */
- if (!prefixcmp(refname, "refs/heads/")) {
- kind = REF_LOCAL_BRANCH;
- refname += 11;
- } else if (!prefixcmp(refname, "refs/remotes/")) {
- kind = REF_REMOTE_BRANCH;
- refname += 13;
- } else if (!prefixcmp(refname, "refs/tags/")) {
- kind = REF_TAG;
- refname += 10;
+ for (i = 0; i < ARRAY_SIZE(ref_kind); i++) {
+ prefix = ref_kind[i].prefix;
+ if (strncmp(refname, prefix, ref_kind[i].pfxlen))
+ continue;
+ kind = ref_kind[i].kind;
+ refname += ref_kind[i].pfxlen;
+ break;
}
+ if (ARRAY_SIZE(ref_kind) <= i)
+ return 0;
+
+ commit = lookup_commit_reference_gently(sha1, 1);
+ if (!commit)
+ return error("branch '%s' does not point at a commit", refname);
/* Filter with with_commit if specified */
- if (!has_commit(sha1, ref_list->with_commit))
+ if (!is_descendant_of(commit, ref_list->with_commit))
return 0;
/* Don't add types the caller doesn't want */
if ((kind & ref_list->kinds) == 0)
return 0;
- if (mergefilter > -1) {
- branch.item = lookup_commit_reference_gently(sha1, 1);
- if (!branch.item)
- die("Unable to lookup tip of branch %s", refname);
- if (mergefilter == 0 && has_commit(head_sha1, &branch))
- return 0;
- if (mergefilter == 1 && !has_commit(head_sha1, &branch))
- return 0;
- }
+ if (merge_filter != NO_FILTER)
+ add_pending_object(&ref_list->revs,
+ (struct object *)commit, refname);
/* Resize buffer */
if (ref_list->index >= ref_list->alloc) {
newitem = &(ref_list->list[ref_list->index++]);
newitem->name = xstrdup(refname);
newitem->kind = kind;
- hashcpy(newitem->sha1, sha1);
- len = strlen(newitem->name);
- if (len > ref_list->maxwidth)
- ref_list->maxwidth = len;
+ newitem->commit = commit;
+ newitem->len = strlen(refname);
+ newitem->dest = resolve_symref(orig_refname, prefix);
+ /* adjust for "remotes/" */
+ if (newitem->kind == REF_REMOTE_BRANCH &&
+ ref_list->kinds != REF_REMOTE_BRANCH)
+ newitem->len += 8;
+ if (newitem->len > ref_list->maxwidth)
+ ref_list->maxwidth = newitem->len;
return 0;
}
{
int i;
- for (i = 0; i < ref_list->index; i++)
+ for (i = 0; i < ref_list->index; i++) {
free(ref_list->list[i].name);
+ free(ref_list->list[i].dest);
+ }
free(ref_list->list);
}
return strcmp(c1->name, c2->name);
}
+static void fill_tracking_info(struct strbuf *stat, const char *branch_name)
+{
+ int ours, theirs;
+ struct branch *branch = branch_get(branch_name);
+
+ if (!stat_tracking_info(branch, &ours, &theirs) || (!ours && !theirs))
+ return;
+ 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);
+}
+
+static int matches_merge_filter(struct commit *commit)
+{
+ int is_merged;
+
+ if (merge_filter == NO_FILTER)
+ return 1;
+
+ is_merged = !!(commit->object.flags & UNINTERESTING);
+ return (is_merged == (merge_filter == SHOW_MERGED));
+}
+
static void print_ref_item(struct ref_item *item, int maxwidth, int verbose,
- int abbrev, int current)
+ int abbrev, int current, char *prefix)
{
char c;
int color;
- struct commit *commit;
+ struct commit *commit = item->commit;
+ struct strbuf out = STRBUF_INIT, name = STRBUF_INIT;
+
+ if (!matches_merge_filter(commit))
+ return;
switch (item->kind) {
case REF_LOCAL_BRANCH:
- color = COLOR_BRANCH_LOCAL;
+ color = BRANCH_COLOR_LOCAL;
break;
case REF_REMOTE_BRANCH:
- color = COLOR_BRANCH_REMOTE;
+ color = BRANCH_COLOR_REMOTE;
break;
default:
- color = COLOR_BRANCH_PLAIN;
+ color = BRANCH_COLOR_PLAIN;
break;
}
c = ' ';
if (current) {
c = '*';
- color = COLOR_BRANCH_CURRENT;
+ color = BRANCH_COLOR_CURRENT;
}
- if (verbose) {
- struct strbuf subject;
- const char *sub = " **** invalid ref ****";
+ strbuf_addf(&name, "%s%s", prefix, item->name);
+ if (verbose)
+ strbuf_addf(&out, "%c %s%-*s%s", c, branch_get_color(color),
+ maxwidth, name.buf,
+ branch_get_color(BRANCH_COLOR_RESET));
+ else
+ strbuf_addf(&out, "%c %s%s%s", c, branch_get_color(color),
+ name.buf, branch_get_color(BRANCH_COLOR_RESET));
- strbuf_init(&subject, 0);
+ if (item->dest)
+ strbuf_addf(&out, " -> %s", item->dest);
+ else if (verbose) {
+ struct strbuf subject = STRBUF_INIT, stat = STRBUF_INIT;
+ const char *sub = " **** invalid ref ****";
- commit = lookup_commit(item->sha1);
+ commit = item->commit;
if (commit && !parse_commit(commit)) {
pretty_print_commit(CMIT_FMT_ONELINE, commit,
&subject, 0, NULL, NULL, 0, 0);
sub = subject.buf;
}
- printf("%c %s%-*s%s %s %s\n", c, branch_get_color(color),
- maxwidth, item->name,
- branch_get_color(COLOR_BRANCH_RESET),
- find_unique_abbrev(item->sha1, abbrev), sub);
+
+ if (item->kind == REF_LOCAL_BRANCH)
+ fill_tracking_info(&stat, item->name);
+
+ strbuf_addf(&out, " %s %s%s",
+ find_unique_abbrev(item->commit->object.sha1, abbrev),
+ stat.buf, sub);
+ strbuf_release(&stat);
strbuf_release(&subject);
- } else {
- printf("%c %s%s%s\n", c, branch_get_color(color), item->name,
- branch_get_color(COLOR_BRANCH_RESET));
}
+ printf("%s\n", out.buf);
+ strbuf_release(&name);
+ strbuf_release(&out);
+}
+
+static int calc_maxwidth(struct ref_list *refs)
+{
+ int i, w = 0;
+ for (i = 0; i < refs->index; i++) {
+ if (!matches_merge_filter(refs->list[i].commit))
+ continue;
+ if (refs->list[i].len > w)
+ w = refs->list[i].len;
+ }
+ return w;
}
static void print_ref_list(int kinds, int detached, int verbose, int abbrev, struct commit_list *with_commit)
{
int i;
struct ref_list ref_list;
+ struct commit *head_commit = lookup_commit_reference_gently(head_sha1, 1);
memset(&ref_list, 0, sizeof(ref_list));
ref_list.kinds = kinds;
ref_list.with_commit = with_commit;
+ if (merge_filter != NO_FILTER)
+ init_revisions(&ref_list.revs, NULL);
for_each_ref(append_ref, &ref_list);
+ if (merge_filter != NO_FILTER) {
+ struct commit *filter;
+ filter = lookup_commit_reference_gently(merge_filter_ref, 0);
+ filter->object.flags |= UNINTERESTING;
+ add_pending_object(&ref_list.revs,
+ (struct object *) filter, "");
+ ref_list.revs.limited = 1;
+ prepare_revision_walk(&ref_list.revs);
+ if (verbose)
+ ref_list.maxwidth = calc_maxwidth(&ref_list);
+ }
qsort(ref_list.list, ref_list.index, sizeof(struct ref_item), ref_cmp);
detached = (detached && (kinds & REF_LOCAL_BRANCH));
- if (detached && has_commit(head_sha1, with_commit)) {
+ if (detached && head_commit &&
+ is_descendant_of(head_commit, with_commit)) {
struct ref_item item;
item.name = xstrdup("(no branch)");
+ item.len = strlen(item.name);
item.kind = REF_LOCAL_BRANCH;
- hashcpy(item.sha1, head_sha1);
- if (strlen(item.name) > ref_list.maxwidth)
- ref_list.maxwidth = strlen(item.name);
- print_ref_item(&item, ref_list.maxwidth, verbose, abbrev, 1);
+ item.dest = NULL;
+ item.commit = head_commit;
+ if (item.len > ref_list.maxwidth)
+ ref_list.maxwidth = item.len;
+ print_ref_item(&item, ref_list.maxwidth, verbose, abbrev, 1, "");
free(item.name);
}
int current = !detached &&
(ref_list.list[i].kind == REF_LOCAL_BRANCH) &&
!strcmp(ref_list.list[i].name, head);
+ char *prefix = (kinds != REF_REMOTE_BRANCH &&
+ ref_list.list[i].kind == REF_REMOTE_BRANCH)
+ ? "remotes/" : "";
print_ref_item(&ref_list.list[i], ref_list.maxwidth, verbose,
- abbrev, current);
+ abbrev, current, prefix);
}
free_ref_list(&ref_list);
static void rename_branch(const char *oldname, const char *newname, int force)
{
- char oldref[PATH_MAX], newref[PATH_MAX], logmsg[PATH_MAX*2 + 100];
+ struct strbuf oldref = STRBUF_INIT, newref = STRBUF_INIT, logmsg = STRBUF_INIT;
unsigned char sha1[20];
- char oldsection[PATH_MAX], newsection[PATH_MAX];
+ struct strbuf oldsection = STRBUF_INIT, newsection = STRBUF_INIT;
if (!oldname)
die("cannot rename the current branch while not on any.");
- if (snprintf(oldref, sizeof(oldref), "refs/heads/%s", oldname) > sizeof(oldref))
- die("Old branchname too long");
+ strbuf_addf(&oldref, "refs/heads/%s", oldname);
- if (check_ref_format(oldref))
- die("Invalid branch name: %s", oldref);
+ if (check_ref_format(oldref.buf))
+ die("Invalid branch name: %s", oldref.buf);
- if (snprintf(newref, sizeof(newref), "refs/heads/%s", newname) > sizeof(newref))
- die("New branchname too long");
+ strbuf_addf(&newref, "refs/heads/%s", newname);
- if (check_ref_format(newref))
- die("Invalid branch name: %s", newref);
+ if (check_ref_format(newref.buf))
+ die("Invalid branch name: %s", newref.buf);
- if (resolve_ref(newref, sha1, 1, NULL) && !force)
+ if (resolve_ref(newref.buf, sha1, 1, NULL) && !force)
die("A branch named '%s' already exists.", newname);
- snprintf(logmsg, sizeof(logmsg), "Branch: renamed %s to %s",
- oldref, newref);
+ strbuf_addf(&logmsg, "Branch: renamed %s to %s",
+ oldref.buf, newref.buf);
- if (rename_ref(oldref, newref, logmsg))
+ 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, NULL))
+ if (!strcmp(oldname, head) && create_symref("HEAD", newref.buf, NULL))
die("Branch renamed to %s, but HEAD is not updated!", newname);
- snprintf(oldsection, sizeof(oldsection), "branch.%s", oldref + 11);
- snprintf(newsection, sizeof(newsection), "branch.%s", newref + 11);
- if (git_config_rename_section(oldsection, newsection) < 0)
+ 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);
}
-static int opt_parse_with_commit(const struct option *opt, const char *arg, int unset)
+static int opt_parse_merge_filter(const struct option *opt, const char *arg, int unset)
{
- unsigned char sha1[20];
- struct commit *commit;
-
+ merge_filter = ((opt->long_name[0] == 'n')
+ ? SHOW_NOT_MERGED
+ : SHOW_MERGED);
+ if (unset)
+ merge_filter = SHOW_NOT_MERGED; /* b/c for --no-merged */
if (!arg)
- return -1;
- if (get_sha1(arg, sha1))
+ arg = "HEAD";
+ if (get_sha1(arg, merge_filter_ref))
die("malformed object name %s", arg);
- commit = lookup_commit_reference(sha1);
- if (!commit)
- die("no such commit %s", arg);
- commit_list_insert(commit, opt->value);
return 0;
}
OPT_BOOLEAN( 0 , "color", &branch_use_color, "use colored output"),
OPT_SET_INT('r', NULL, &kinds, "act on remote-tracking branches",
REF_REMOTE_BRANCH),
- OPT_CALLBACK(0, "contains", &with_commit, "commit",
- "print only branches that contain the commit",
- opt_parse_with_commit),
+ {
+ OPTION_CALLBACK, 0, "contains", &with_commit, "commit",
+ "print only branches that contain the commit",
+ PARSE_OPT_LASTARG_DEFAULT,
+ parse_opt_with_commit, (intptr_t)"HEAD",
+ },
{
OPTION_CALLBACK, 0, "with", &with_commit, "commit",
"print only branches that contain the commit",
- PARSE_OPT_HIDDEN, opt_parse_with_commit,
+ PARSE_OPT_HIDDEN | PARSE_OPT_LASTARG_DEFAULT,
+ parse_opt_with_commit, (intptr_t) "HEAD",
},
OPT__ABBREV(&abbrev),
OPT_BIT('M', NULL, &rename, "move/rename a branch, even if target exists", 2),
OPT_BOOLEAN('l', NULL, &reflog, "create the branch's reflog"),
OPT_BOOLEAN('f', NULL, &force_create, "force creation (when already exists)"),
- OPT_SET_INT(0, "merged", &mergefilter, "list only merged branches", 1),
+ {
+ OPTION_CALLBACK, 0, "no-merged", &merge_filter_ref,
+ "commit", "print only not merged branches",
+ PARSE_OPT_LASTARG_DEFAULT | PARSE_OPT_NONEG,
+ opt_parse_merge_filter, (intptr_t) "HEAD",
+ },
+ {
+ OPTION_CALLBACK, 0, "merged", &merge_filter_ref,
+ "commit", "print only merged branches",
+ PARSE_OPT_LASTARG_DEFAULT | PARSE_OPT_NONEG,
+ opt_parse_merge_filter, (intptr_t) "HEAD",
+ },
OPT_END(),
};
branch_use_color = git_use_color_default;
track = git_branch_track;
- argc = parse_options(argc, argv, options, builtin_branch_usage, 0);
- if (!!delete + !!rename + !!force_create > 1)
- usage_with_options(builtin_branch_usage, options);
head = resolve_ref("HEAD", head_sha1, 0, NULL);
if (!head)
die("HEAD not found below refs/heads!");
head += 11;
}
+ hashcpy(merge_filter_ref, head_sha1);
+
+ argc = parse_options(argc, argv, options, builtin_branch_usage, 0);
+ if (!!delete + !!rename + !!force_create > 1)
+ usage_with_options(builtin_branch_usage, options);
if (delete)
return delete_branches(argc, argv, delete > 1, kinds);