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hooks: convert worktree 'post-checkout' hook to hook library

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Move the running of the 'post-checkout' hook away from run-command.h
to the new hook.h library in builtin/worktree.c. For this special case
we need a change to the hook API to teach it to run the hook from a
given directory.

We cannot skip the "absolute_path" flag and just check if "dir" is
specified as we'd then fail to find our hook in the new dir we'd
chdir() to. We currently don't have a use-case for running a hook not
in our "base" repository at a given absolute path, so let's have "dir"
imply absolute_path(find_hook(hook_name)).

Signed-off-by: Emily Shaffer <emilyshaffer@google.com>
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Acked-by: Emily Shaffer <emilyshaffer@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Emily Shaffer
2021-12-22 04:59:36 +01:00
committed by Junio C Hamano
parent 72ddf34d7c
commit 1a3017d908
3 changed files with 25 additions and 15 deletions
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8
hook.c
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@@ -57,6 +57,7 @@ static int pick_next_hook(struct child_process *cp,
strvec_pushv(&cp->env_array, hook_cb->options->env.v);
cp->stdout_to_stderr = 1;
cp->trace2_hook_name = hook_cb->hook_name;
cp->dir = hook_cb->options->dir;
strvec_push(&cp->args, hook_path);
strvec_pushv(&cp->args, hook_cb->options->args.v);
@@ -109,6 +110,7 @@ static void run_hooks_opt_clear(struct run_hooks_opt *options)
int run_hooks_opt(const char *hook_name, struct run_hooks_opt *options)
{
struct strbuf abs_path = STRBUF_INIT;
struct hook_cb_data cb_data = {
.rc = 0,
.hook_name = hook_name,
@@ -130,6 +132,11 @@ int run_hooks_opt(const char *hook_name, struct run_hooks_opt *options)
}
cb_data.hook_path = hook_path;
if (options->dir) {
strbuf_add_absolute_path(&abs_path, hook_path);
cb_data.hook_path = abs_path.buf;
}
run_processes_parallel_tr2(jobs,
pick_next_hook,
notify_start_failure,
@@ -139,6 +146,7 @@ int run_hooks_opt(const char *hook_name, struct run_hooks_opt *options)
hook_name);
ret = cb_data.rc;
cleanup:
strbuf_release(&abs_path);
run_hooks_opt_clear(options);
return ret;
}