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-rw-r--r--builtin/branch.c125
1 files changed, 66 insertions, 59 deletions
diff --git a/builtin/branch.c b/builtin/branch.c
index 5d00d0b8d3..f63fd45edb 100644
--- a/builtin/branch.c
+++ b/builtin/branch.c
@@ -150,7 +150,7 @@ static int branch_merged(int kind, const char *name,
if (!reference_rev)
reference_rev = head_rev;
- merged = in_merge_bases(rev, reference_rev);
+ merged = reference_rev ? in_merge_bases(rev, reference_rev) : 0;
/*
* After the safety valve is fully redefined to "check with
@@ -160,7 +160,7 @@ static int branch_merged(int kind, const char *name,
* a gentle reminder is in order.
*/
if ((head_rev != reference_rev) &&
- in_merge_bases(rev, head_rev) != merged) {
+ (head_rev ? in_merge_bases(rev, head_rev) : 0) != merged) {
if (merged)
warning(_("deleting branch '%s' that has been merged to\n"
" '%s', but not yet merged to HEAD."),
@@ -204,7 +204,6 @@ static void delete_branch_config(const char *branchname)
static int delete_branches(int argc, const char **argv, int force, int kinds,
int quiet)
{
- struct worktree **worktrees;
struct commit *head_rev = NULL;
struct object_id oid;
char *name = NULL;
@@ -236,13 +235,8 @@ static int delete_branches(int argc, const char **argv, int force, int kinds,
}
branch_name_pos = strcspn(fmt, "%");
- if (!force) {
+ if (!force)
head_rev = lookup_commit_reference(the_repository, &head_oid);
- if (!head_rev)
- die(_("Couldn't look up commit object for HEAD"));
- }
-
- worktrees = get_worktrees();
for (i = 0; i < argc; i++, strbuf_reset(&bname)) {
char *target = NULL;
@@ -253,12 +247,11 @@ static int delete_branches(int argc, const char **argv, int force, int kinds,
name = mkpathdup(fmt, bname.buf);
if (kinds == FILTER_REFS_BRANCHES) {
- const struct worktree *wt =
- find_shared_symref(worktrees, "HEAD", name);
- if (wt) {
+ const char *path;
+ if ((path = branch_checked_out(name))) {
error(_("Cannot delete branch '%s' "
"checked out at '%s'"),
- bname.buf, wt->path);
+ bname.buf, path);
ret = 1;
continue;
}
@@ -315,7 +308,6 @@ static int delete_branches(int argc, const char **argv, int force, int kinds,
free(name);
strbuf_release(&bname);
- free_worktrees(worktrees);
return ret;
}
@@ -525,13 +517,6 @@ static void copy_or_rename_branch(const char *oldname, const char *newname, int
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
@@ -543,6 +528,13 @@ static void copy_or_rename_branch(const char *oldname, const char *newname, int
die(_("Invalid branch name: '%s'"), oldname);
}
+ if ((copy || strcmp(head, oldname)) && !ref_exists(oldref.buf)) {
+ if (copy && !strcmp(head, oldname))
+ die(_("No commit on branch '%s' yet."), oldname);
+ else
+ die(_("No branch named '%s'."), oldname);
+ }
+
/*
* A command like "git branch -M currentbranch currentbranch" cannot
* cause the worktree to become inconsistent with HEAD, so allow it.
@@ -589,13 +581,13 @@ static void copy_or_rename_branch(const char *oldname, const char *newname, int
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)
+ if (copy && strcmp(interpreted_oldname, interpreted_newname) && git_config_copy_section(oldsection.buf, newsection.buf) < 0)
die(_("Branch is copied, but update of config-file failed"));
+ strbuf_release(&oldref);
+ strbuf_release(&newref);
strbuf_release(&oldsection);
strbuf_release(&newsection);
}
@@ -604,10 +596,11 @@ static GIT_PATH_FUNC(edit_description, "EDIT_DESCRIPTION")
static int edit_branch_description(const char *branch_name)
{
+ int exists;
struct strbuf buf = STRBUF_INIT;
struct strbuf name = STRBUF_INIT;
- read_branch_desc(&buf, branch_name);
+ exists = !read_branch_desc(&buf, branch_name);
if (!buf.len || buf.buf[buf.len-1] != '\n')
strbuf_addch(&buf, '\n');
strbuf_commented_addf(&buf,
@@ -624,7 +617,8 @@ static int edit_branch_description(const char *branch_name)
strbuf_stripspace(&buf, 1);
strbuf_addf(&name, "branch.%s.description", branch_name);
- git_config_set(name.buf, buf.len ? buf.buf : NULL);
+ if (buf.len || exists)
+ git_config_set(name.buf, buf.len ? buf.buf : NULL);
strbuf_release(&name);
strbuf_release(&buf);
@@ -796,53 +790,56 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
} else if (edit_description) {
const char *branch_name;
struct strbuf branch_ref = STRBUF_INIT;
+ struct strbuf buf = STRBUF_INIT;
+ int ret = 1; /* assume failure */
if (!argc) {
if (filter.detached)
die(_("Cannot give description to detached HEAD"));
branch_name = head;
- } else if (argc == 1)
- branch_name = argv[0];
- else
+ } else if (argc == 1) {
+ strbuf_branchname(&buf, argv[0], INTERPRET_BRANCH_LOCAL);
+ branch_name = buf.buf;
+ } else {
die(_("cannot edit description of more than one branch"));
+ }
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 branch named '%s'."),
- branch_name);
- }
+ if (!ref_exists(branch_ref.buf))
+ error((!argc || !strcmp(head, branch_name))
+ ? _("No commit on branch '%s' yet.")
+ : _("No branch named '%s'."),
+ branch_name);
+ else if (!edit_branch_description(branch_name))
+ ret = 0; /* happy */
+
strbuf_release(&branch_ref);
+ strbuf_release(&buf);
- if (edit_branch_description(branch_name))
- return 1;
- } else if (copy) {
- if (!argc)
- die(_("branch name required"));
- else if (argc == 1)
- copy_or_rename_branch(head, argv[0], 1, copy > 1);
- else if (argc == 2)
- copy_or_rename_branch(argv[0], argv[1], 1, copy > 1);
- else
- die(_("too many branches for a copy operation"));
- } else if (rename) {
+ return ret;
+ } else if (copy || rename) {
if (!argc)
die(_("branch name required"));
+ else if ((argc == 1) && filter.detached)
+ die(copy? _("cannot copy the current branch while not on any.")
+ : _("cannot rename the current branch while not on any."));
else if (argc == 1)
- copy_or_rename_branch(head, argv[0], 0, rename > 1);
+ copy_or_rename_branch(head, argv[0], copy, copy + rename > 1);
else if (argc == 2)
- copy_or_rename_branch(argv[0], argv[1], 0, rename > 1);
+ copy_or_rename_branch(argv[0], argv[1], copy, copy + rename > 1);
else
- die(_("too many arguments for a rename operation"));
+ die(copy? _("too many branches for a copy operation")
+ : _("too many arguments for a rename operation"));
} else if (new_upstream) {
- struct branch *branch = branch_get(argv[0]);
+ struct branch *branch;
+ struct strbuf buf = STRBUF_INIT;
- if (argc > 1)
+ if (!argc)
+ branch = branch_get(NULL);
+ else if (argc == 1) {
+ strbuf_branchname(&buf, argv[0], INTERPRET_BRANCH_LOCAL);
+ branch = branch_get(buf.buf);
+ } else
die(_("too many arguments to set new upstream"));
if (!branch) {
@@ -853,17 +850,26 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
die(_("no such branch '%s'"), argv[0]);
}
- if (!ref_exists(branch->refname))
+ if (!ref_exists(branch->refname)) {
+ if (!argc || !strcmp(head, branch->name))
+ die(_("No commit on branch '%s' yet."), branch->name);
die(_("branch '%s' does not exist"), branch->name);
+ }
dwim_and_setup_tracking(the_repository, branch->name,
new_upstream, BRANCH_TRACK_OVERRIDE,
quiet);
+ strbuf_release(&buf);
} else if (unset_upstream) {
- struct branch *branch = branch_get(argv[0]);
+ struct branch *branch;
struct strbuf buf = STRBUF_INIT;
- if (argc > 1)
+ if (!argc)
+ branch = branch_get(NULL);
+ else if (argc == 1) {
+ strbuf_branchname(&buf, argv[0], INTERPRET_BRANCH_LOCAL);
+ branch = branch_get(buf.buf);
+ } else
die(_("too many arguments to unset upstream"));
if (!branch) {
@@ -876,6 +882,7 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
if (!branch_has_merge_config(branch))
die(_("Branch '%s' has no upstream information"), branch->name);
+ strbuf_reset(&buf);
strbuf_addf(&buf, "branch.%s.remote", branch->name);
git_config_set_multivar(buf.buf, NULL, NULL, CONFIG_FLAGS_MULTI_REPLACE);
strbuf_reset(&buf);