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worktree: factor out dwim_branch function

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Factor out a dwim_branch function, which takes care of the dwim'ery in
'git worktree add <path>'.  It's not too much code currently, but we're
adding a new kind of dwim in a subsequent patch, at which point it makes
more sense to have it as a separate function.

Factor it out now to reduce the patch noise in the next patch.

Signed-off-by: Thomas Gummerer <t.gummerer@gmail.com>
Reviewed-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Thomas Gummerer 2018-04-24 22:56:34 +01:00 committed by Junio C Hamano
parent 2c27002a0a
commit 6427f87186
1 changed files with 18 additions and 11 deletions
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29
builtin/worktree.c
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@ -387,6 +387,21 @@ static void print_preparing_worktree_line(int detach,
}
}
static const char *dwim_branch(const char *path, const char **new_branch)
{
int n;
const char *s = worktree_basename(path, &n);
*new_branch = xstrndup(s, n);
UNLEAK(*new_branch);
if (guess_remote) {
struct object_id oid;
const char *remote =
unique_tracking_name(*new_branch, &oid);
return remote;
}
return NULL;
}
static int add(int ac, const char **av, const char *prefix)
{
struct add_opts opts;
@ -439,17 +454,9 @@ static int add(int ac, const char **av, const char *prefix)
}
if (ac < 2 && !new_branch && !opts.detach) {
int n;
const char *s = worktree_basename(path, &n);
new_branch = xstrndup(s, n);
UNLEAK(new_branch);
if (guess_remote) {
struct object_id oid;
const char *remote =
unique_tracking_name(new_branch, &oid);
if (remote)
branch = remote;
}
const char *s = dwim_branch(path, &new_branch);
if (s)
branch = s;
}
if (ac == 2 && !new_branch && !opts.detach) {