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branch: add --unset-upstream option 

We have ways of setting the upstream information, but if we want to
unset it, we need to resort to modifying the configuration manually.

Teach branch an --unset-upstream option that unsets this information.

Signed-off-by: Carlos Martín Nieto <cmn@elego.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Carlos Martín Nieto 2012-08-30 19:23:12 +02:00 committed by Junio C Hamano
parent 6183d826ba
commit b84869ef14
3 changed files with 45 additions and 3 deletions
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5
Documentation/git-branch.txt
View File

@ -14,6 +14,7 @@ SYNOPSIS
[(--merged | --no-merged | --contains) [<commit>]] [<pattern>...]
'git branch' [--set-upstream | --track | --no-track] [-l] [-f] <branchname> [<start-point>]
'git branch' (--set-upstream-to=<upstream> | -u <upstream>) [<branchname>]
'git branch' --unset-upstream [<branchname>]
'git branch' (-m | -M) [<oldbranch>] <newbranch>
'git branch' (-d | -D) [-r] <branchname>...
'git branch' --edit-description [<branchname>]
@ -180,6 +181,10 @@ start-point is either a local or remote-tracking branch.
considered <branchname>'s upstream branch. If no <branchname>
is specified, then it defaults to the current branch.
--unset-upstream::
Remove the upstream information for <branchname>. If no branch
is specified it defaults to the current branch.
--edit-description::
Open an editor and edit the text to explain what the branch is
for, to be used by various other commands (e.g. `request-pull`).

21
builtin/branch.c
View File

@ -712,7 +712,7 @@ 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, edit_description = 0;
int quiet = 0;
int quiet = 0, unset_upstream = 0;
const char *new_upstream = NULL;
enum branch_track track;
int kinds = REF_LOCAL_BRANCH;
@ -728,6 +728,7 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
OPT_SET_INT( 0, "set-upstream", &track, "change upstream info",
BRANCH_TRACK_OVERRIDE),
OPT_STRING('u', "set-upstream-to", &new_upstream, "upstream", "change the upstream info"),
OPT_BOOLEAN(0, "unset-upstream", &unset_upstream, "Unset the upstream info"),
OPT__COLOR(&branch_use_color, "use colored output"),
OPT_SET_INT('r', "remotes", &kinds, "act on remote-tracking branches",
REF_REMOTE_BRANCH),
@ -796,10 +797,10 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
argc = parse_options(argc, argv, prefix, options, builtin_branch_usage,
0);
if (!delete && !rename && !edit_description && !new_upstream && argc == 0)
if (!delete && !rename && !edit_description && !new_upstream && !unset_upstream && argc == 0)
list = 1;
if (!!delete + !!rename + !!force_create + !!list + !!new_upstream > 1)
if (!!delete + !!rename + !!force_create + !!list + !!new_upstream + !!unset_upstream > 1)
usage_with_options(builtin_branch_usage, options);
if (abbrev == -1)
@ -865,6 +866,20 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
* info and making sure new_upstream is correct
*/
create_branch(head, branch->name, new_upstream, 0, 0, 0, quiet, BRANCH_TRACK_OVERRIDE);
} else if (unset_upstream) {
struct branch *branch = branch_get(argv[0]);
struct strbuf buf = STRBUF_INIT;
if (!branch_has_merge_config(branch)) {
die(_("Branch '%s' has no upstream information"), branch->name);
}
strbuf_addf(&buf, "branch.%s.remote", branch->name);
git_config_set_multivar(buf.buf, NULL, NULL, 1);
strbuf_reset(&buf);
strbuf_addf(&buf, "branch.%s.merge", branch->name);
git_config_set_multivar(buf.buf, NULL, NULL, 1);
strbuf_release(&buf);
} 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"));

22
t/t3200-branch.sh
View File

@ -383,6 +383,28 @@ test_expect_success 'use --set-upstream-to modify a particular branch' \
test "$(git config branch.my13.remote)" = "." &&
test "$(git config branch.my13.merge)" = "refs/heads/master"'
test_expect_success '--unset-upstream should fail if given a non-existent branch' \
'test_must_fail git branch --unset-upstream i-dont-exist'
test_expect_success 'test --unset-upstream on HEAD' \
'git branch my14
test_config branch.master.remote foo &&
test_config branch.master.merge foo &&
git branch --set-upstream-to my14 &&
git branch --unset-upstream &&
test_must_fail git config branch.master.remote &&
test_must_fail git config branch.master.merge &&
# fail for a branch without upstream set
test_must_fail git branch --unset-upstream
'
test_expect_success 'test --unset-upstream on a particular branch' \
'git branch my15
git branch --set-upstream-to master my14 &&
git branch --unset-upstream my14 &&
test_must_fail git config branch.my14.remote &&
test_must_fail git config branch.my14.merge'
# Keep this test last, as it changes the current branch
cat >expect <<EOF
$_z40 $HEAD $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150200 +0000 branch: Created from master