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worktree: generalize delete_git_dir() to reduce code duplication

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prune_worktrees() and delete_git_dir() both remove worktree
administrative entries from .git/worktrees, and their implementations
are nearly identical. The only difference is that prune_worktrees() is
also capable of removing a bogus non-worktree-related file from
.git/worktrees.

Simplify by extending delete_git_dir() to handle the little bit of
extra functionality needed by prune_worktrees(), and drop the
effectively duplicate code from the latter.

Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Eric Sunshine 2018-08-28 17:20:20 -04:00 committed by Junio C Hamano
parent e5353bef55
commit 602aaed03f
1 changed files with 9 additions and 16 deletions
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25
builtin/worktree.c
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@ -47,16 +47,17 @@ static int git_worktree_config(const char *var, const char *value, void *cb)
return git_default_config(var, value, cb);
}
static int delete_git_dir(struct worktree *wt)
static int delete_git_dir(const char *id)
{
struct strbuf sb = STRBUF_INIT;
int ret = 0;
int ret;
strbuf_addstr(&sb, git_common_path("worktrees/%s", wt->id));
if (remove_dir_recursively(&sb, 0)) {
strbuf_addstr(&sb, git_common_path("worktrees/%s", id));
ret = remove_dir_recursively(&sb, 0);
if (ret < 0 && errno == ENOTDIR)
ret = unlink(sb.buf);
if (ret)
error_errno(_("failed to delete '%s'"), sb.buf);
ret = -1;
}
strbuf_release(&sb);
return ret;
}
@ -130,10 +131,8 @@ static int prune_worktree(const char *id, struct strbuf *reason)
static void prune_worktrees(void)
{
struct strbuf reason = STRBUF_INIT;
struct strbuf path = STRBUF_INIT;
DIR *dir = opendir(git_path("worktrees"));
struct dirent *d;
int ret;
if (!dir)
return;
while ((d = readdir(dir)) != NULL) {
@ -146,18 +145,12 @@ static void prune_worktrees(void)
printf("%s\n", reason.buf);
if (show_only)
continue;
git_path_buf(&path, "worktrees/%s", d->d_name);
ret = remove_dir_recursively(&path, 0);
if (ret < 0 && errno == ENOTDIR)
ret = unlink(path.buf);
if (ret)
error_errno(_("failed to remove '%s'"), path.buf);
delete_git_dir(d->d_name);
}
closedir(dir);
if (!show_only)
rmdir(git_path("worktrees"));
strbuf_release(&reason);
strbuf_release(&path);
}
static int prune(int ac, const char **av, const char *prefix)
@ -882,7 +875,7 @@ static int remove_worktree(int ac, const char **av, const char *prefix)
* continue on even if ret is non-zero, there's no going back
* from here.
*/
ret |= delete_git_dir(wt);
ret |= delete_git_dir(wt->id);
free_worktrees(worktrees);
return ret;