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clone: move unborn head creation to update_head()
Prior to 4f37d45706
(clone: respect remote unborn HEAD, 2021-02-05),
creation of the local HEAD was always done in update_head(). That commit
added code to handle an unborn head in an empty repository, and just did
all symref creation and config setup there.
This makes the code flow a little bit confusing, especially as new
corner cases have been covered (like the previous commit to match our
default branch name to a non-HEAD remote branch).
Let's move the creation of the unborn symref into update_head(). This
matches the other HEAD-creation cases, and now the logic is consistently
separated: the main cmd_clone() function only examines the situation and
sets variables based on what it finds, and update_head() actually
performs the update.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
parent
cc8fcd1e1a
commit
daf7898abb
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@ -606,7 +606,7 @@ static void update_remote_refs(const struct ref *refs,
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}
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static void update_head(const struct ref *our, const struct ref *remote,
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const char *msg)
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const char *unborn, const char *msg)
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{
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const char *head;
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if (our && skip_prefix(our->name, "refs/heads/", &head)) {
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@ -632,6 +632,15 @@ static void update_head(const struct ref *our, const struct ref *remote,
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*/
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update_ref(msg, "HEAD", &remote->old_oid, NULL, REF_NO_DEREF,
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UPDATE_REFS_DIE_ON_ERR);
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} else if (unborn && skip_prefix(unborn, "refs/heads/", &head)) {
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/*
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* Unborn head from remote; same as "our" case above except
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* that we have no ref to update.
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*/
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if (create_symref("HEAD", unborn, NULL) < 0)
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die(_("unable to update HEAD"));
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if (!option_bare)
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install_branch_config(0, head, remote_name, unborn);
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}
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}
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@ -876,6 +885,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
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const struct ref *refs, *remote_head;
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struct ref *remote_head_points_at = NULL;
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const struct ref *our_head_points_at;
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char *unborn_head = NULL;
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struct ref *mapped_refs = NULL;
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const struct ref *ref;
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struct strbuf key = STRBUF_INIT;
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@ -1282,8 +1292,6 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
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our_head_points_at = NULL;
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} else {
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const char *branch;
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const char *ref;
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char *ref_free = NULL;
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if (!mapped_refs) {
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warning(_("You appear to have cloned an empty repository."));
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@ -1293,12 +1301,10 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
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if (transport_ls_refs_options.unborn_head_target &&
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skip_prefix(transport_ls_refs_options.unborn_head_target,
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"refs/heads/", &branch)) {
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ref = transport_ls_refs_options.unborn_head_target;
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create_symref("HEAD", ref, reflog_msg.buf);
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unborn_head = xstrdup(transport_ls_refs_options.unborn_head_target);
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} else {
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branch = git_default_branch_name(0);
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ref_free = xstrfmt("refs/heads/%s", branch);
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ref = ref_free;
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unborn_head = xstrfmt("refs/heads/%s", branch);
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}
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/*
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@ -1313,10 +1319,6 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
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* a match.
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*/
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our_head_points_at = find_remote_branch(mapped_refs, branch);
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if (!option_bare && !our_head_points_at)
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install_branch_config(0, branch, remote_name, ref);
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free(ref_free);
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}
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write_refspec_config(src_ref_prefix, our_head_points_at,
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@ -1336,7 +1338,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
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branch_top.buf, reflog_msg.buf, transport,
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!is_local);
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update_head(our_head_points_at, remote_head, reflog_msg.buf);
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update_head(our_head_points_at, remote_head, unborn_head, reflog_msg.buf);
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/*
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* We want to show progress for recursive submodule clones iff
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@ -1363,6 +1365,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
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strbuf_release(&key);
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free_refs(mapped_refs);
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free_refs(remote_head_points_at);
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free(unborn_head);
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free(dir);
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free(path);
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UNLEAK(repo);
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