As a convenience, like "git branch" and "git checkout -b", make
"git worktree add -b <newbranch> <path> <branch>" default to HEAD when
<branch> is omitted.
Signed-off-by: Eric Sunshine <sunsh...@sunshineco.com>
---
Documentation/git-worktree.txt | 1 +
builtin/worktree.c | 6 ++++--
t/t2025-worktree-add.sh | 5 +++++
3 files changed, 10 insertions(+), 2 deletions(-)
diff --git a/Documentation/git-worktree.txt b/Documentation/git-worktree.txt
index f44cd78..377ae0f 100644
--- a/Documentation/git-worktree.txt
+++ b/Documentation/git-worktree.txt
@@ -68,6 +68,7 @@ OPTIONS
-B <new-branch>::
With `add`, create a new branch named `<new-branch>` starting at
`<branch>`, and check out `<new-branch>` into the new worktree.
+ If `<branch>` is omitted, it defaults to HEAD.
By default, `-b` refuses to create a new branch if it already
exists. `-B` overrides this safeguard, resetting `<new-branch>` to
`<branch>`.
diff --git a/builtin/worktree.c b/builtin/worktree.c
index 25fe25b..323d444 100644
--- a/builtin/worktree.c
+++ b/builtin/worktree.c
@@ -289,11 +289,13 @@ static int add(int ac, const char **av, const char
*prefix)
ac = parse_options(ac, av, prefix, options, worktree_usage, 0);
if (new_branch && new_branch_force)
die(_("-b and -B are mutually exclusive"));
- if (ac != 2)
+ if (ac < 1 || ac > 2)
+ usage_with_options(worktree_usage, options);
+ if (ac < 2 && !new_branch && !new_branch_force)
usage_with_options(worktree_usage, options);
path = prefix ? prefix_filename(prefix, strlen(prefix), av[0]) : av[0];
- branch = av[1];
+ branch = ac < 2 ? "HEAD" : av[1];
argv_array_push(&cmd, "checkout");
if (force)
diff --git a/t/t2025-worktree-add.sh b/t/t2025-worktree-add.sh
index 192c936..8964dec 100755
--- a/t/t2025-worktree-add.sh
+++ b/t/t2025-worktree-add.sh
@@ -140,4 +140,9 @@ test_expect_success '"add" from relative HEAD' '
test_cmp expected actual
'
+test_expect_success '"add -b" with <branch> omitted' '
+ git worktree add -b burble flornk &&
+ test_cmp_rev HEAD burble
+'
+
test_done
--
2.5.0.rc1.197.g417e668
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