From: Michael Haggerty <mhagger@alum.mit.edu>
To: Junio C Hamano <gitster@pobox.com>
Cc: "David Turner" <novalis@novalis.org>,
"Ramsay Jones" <ramsay@ramsayjones.plus.com>,
"Eric Sunshine" <sunshine@sunshineco.com>,
"Jeff King" <peff@peff.net>,
"Nguyễn Thái Ngọc Duy" <pclouds@gmail.com>,
git@vger.kernel.org, "David Turner" <dturner@twopensource.com>,
"Michael Haggerty" <mhagger@alum.mit.edu>
Subject: [PATCH v2 35/38] refs: add methods to init refs db
Date: Sun, 4 Sep 2016 18:08:41 +0200 [thread overview]
Message-ID: <2bf161a94fa06317c95c5336ec384c7a7d262741.1473003903.git.mhagger@alum.mit.edu> (raw)
In-Reply-To: <cover.1473003902.git.mhagger@alum.mit.edu>
From: David Turner <dturner@twopensource.com>
Alternate refs backends might not need the refs/heads directory and so
on, so we make ref db initialization part of the backend.
Signed-off-by: David Turner <dturner@twopensource.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
---
builtin/init-db.c | 21 +++++++++++----------
refs.c | 8 ++++++++
refs.h | 2 ++
refs/files-backend.c | 18 ++++++++++++++++++
refs/refs-internal.h | 3 +++
5 files changed, 42 insertions(+), 10 deletions(-)
diff --git a/builtin/init-db.c b/builtin/init-db.c
index 3a45f0b..80192f6 100644
--- a/builtin/init-db.c
+++ b/builtin/init-db.c
@@ -180,13 +180,7 @@ static int create_default_files(const char *template_path)
char junk[2];
int reinit;
int filemode;
-
- /*
- * Create .git/refs/{heads,tags}
- */
- safe_create_dir(git_path_buf(&buf, "refs"), 1);
- safe_create_dir(git_path_buf(&buf, "refs/heads"), 1);
- safe_create_dir(git_path_buf(&buf, "refs/tags"), 1);
+ struct strbuf err = STRBUF_INIT;
/* Just look for `init.templatedir` */
git_config(git_init_db_config, NULL);
@@ -210,12 +204,19 @@ static int create_default_files(const char *template_path)
*/
if (get_shared_repository()) {
adjust_shared_perm(get_git_dir());
- adjust_shared_perm(git_path_buf(&buf, "refs"));
- adjust_shared_perm(git_path_buf(&buf, "refs/heads"));
- adjust_shared_perm(git_path_buf(&buf, "refs/tags"));
}
/*
+ * We need to create a "refs" dir in any case so that older
+ * versions of git can tell that this is a repository.
+ */
+ safe_create_dir(git_path("refs"), 1);
+ adjust_shared_perm(git_path("refs"));
+
+ if (refs_init_db(&err))
+ die("failed to set up refs db: %s", err.buf);
+
+ /*
* Create the default symlink from ".git/HEAD" to the "master"
* branch, if it does not exist yet.
*/
diff --git a/refs.c b/refs.c
index 6efa859..fcaf3ba 100644
--- a/refs.c
+++ b/refs.c
@@ -1292,6 +1292,14 @@ static const char *resolve_ref_recursively(struct ref_store *refs,
return NULL;
}
+/* backend functions */
+int refs_init_db(struct strbuf *err)
+{
+ struct ref_store *refs = get_ref_store(NULL);
+
+ return refs->be->init_db(refs, err);
+}
+
const char *resolve_ref_unsafe(const char *refname, int resolve_flags,
unsigned char *sha1, int *flags)
{
diff --git a/refs.h b/refs.h
index 17e8cfb..d42458c 100644
--- a/refs.h
+++ b/refs.h
@@ -66,6 +66,8 @@ int ref_exists(const char *refname);
int is_branch(const char *refname);
+extern int refs_init_db(struct strbuf *err);
+
/*
* If refname is a non-symbolic reference that refers to a tag object,
* and the tag can be (recursively) dereferenced to a non-tag object,
diff --git a/refs/files-backend.c b/refs/files-backend.c
index bcaa958..56397af 100644
--- a/refs/files-backend.c
+++ b/refs/files-backend.c
@@ -4068,10 +4068,28 @@ static int files_reflog_expire(struct ref_store *ref_store,
return -1;
}
+static int files_init_db(struct ref_store *ref_store, struct strbuf *err)
+{
+ /* Check validity (but we don't need the result): */
+ files_downcast(ref_store, 0, "init_db");
+
+ /*
+ * Create .git/refs/{heads,tags}
+ */
+ safe_create_dir(git_path("refs/heads"), 1);
+ safe_create_dir(git_path("refs/tags"), 1);
+ if (get_shared_repository()) {
+ adjust_shared_perm(git_path("refs/heads"));
+ adjust_shared_perm(git_path("refs/tags"));
+ }
+ return 0;
+}
+
struct ref_storage_be refs_be_files = {
NULL,
"files",
files_ref_store_create,
+ files_init_db,
files_transaction_commit,
files_initial_transaction_commit,
diff --git a/refs/refs-internal.h b/refs/refs-internal.h
index ade6501..b3a2095 100644
--- a/refs/refs-internal.h
+++ b/refs/refs-internal.h
@@ -479,6 +479,8 @@ struct ref_store;
*/
typedef struct ref_store *ref_store_init_fn(const char *submodule);
+typedef int ref_init_db_fn(struct ref_store *refs, struct strbuf *err);
+
typedef int ref_transaction_commit_fn(struct ref_store *refs,
struct ref_transaction *transaction,
struct strbuf *err);
@@ -583,6 +585,7 @@ struct ref_storage_be {
struct ref_storage_be *next;
const char *name;
ref_store_init_fn *init;
+ ref_init_db_fn *init_db;
ref_transaction_commit_fn *transaction_commit;
ref_transaction_commit_fn *initial_transaction_commit;
--
2.9.3
next prev parent reply other threads:[~2016-09-04 16:12 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-04 16:08 [PATCH v2 00/38] Virtualization of the refs API Michael Haggerty
2016-09-04 16:08 ` [PATCH v2 01/38] resolve_gitlink_ref(): eliminate temporary variable Michael Haggerty
2016-09-04 16:08 ` [PATCH v2 02/38] rename_ref_available(): add docstring Michael Haggerty
2016-09-06 14:25 ` Jakub Narębski
2016-09-07 4:32 ` Michael Haggerty
2016-09-04 16:08 ` [PATCH v2 03/38] refs: rename struct ref_cache to files_ref_store Michael Haggerty
2016-09-04 16:08 ` [PATCH v2 04/38] refs: add a backend method structure Michael Haggerty
2016-09-04 19:43 ` David Turner
2016-09-04 16:08 ` [PATCH v2 05/38] refs: create a base class "ref_store" for files_ref_store Michael Haggerty
2016-09-04 20:40 ` David Turner
2016-09-05 3:53 ` Michael Haggerty
2016-09-05 5:17 ` Stefan Beller
2016-09-05 16:16 ` David Turner
2016-09-04 16:08 ` [PATCH v2 06/38] add_packed_ref(): add a files_ref_store argument Michael Haggerty
2016-09-04 16:08 ` [PATCH v2 07/38] get_packed_ref(): " Michael Haggerty
2016-09-04 16:08 ` [PATCH v2 08/38] resolve_missing_loose_ref(): " Michael Haggerty
2016-09-04 16:08 ` [PATCH v2 09/38] {lock,commit,rollback}_packed_refs(): add files_ref_store arguments Michael Haggerty
2016-09-04 16:08 ` [PATCH v2 10/38] refs: add a transaction_commit() method Michael Haggerty
2016-09-04 16:08 ` [PATCH v2 11/38] refs: reorder definitions Michael Haggerty
2016-09-04 16:08 ` [PATCH v2 12/38] resolve_packed_ref(): rename function from resolve_missing_loose_ref() Michael Haggerty
2016-09-04 16:08 ` [PATCH v2 13/38] resolve_gitlink_packed_ref(): remove function Michael Haggerty
2016-09-04 16:08 ` [PATCH v2 14/38] read_raw_ref(): take a (struct ref_store *) argument Michael Haggerty
2016-09-04 16:08 ` [PATCH v2 15/38] resolve_ref_recursively(): new function Michael Haggerty
2016-09-04 16:08 ` [PATCH v2 16/38] resolve_gitlink_ref(): implement using resolve_ref_recursively() Michael Haggerty
2016-09-04 16:08 ` [PATCH v2 17/38] resolve_gitlink_ref(): avoid memory allocation in many cases Michael Haggerty
2016-09-04 16:08 ` [PATCH v2 18/38] resolve_gitlink_ref(): rename path parameter to submodule Michael Haggerty
2016-09-04 16:08 ` [PATCH v2 19/38] refs: make read_raw_ref() virtual Michael Haggerty
2016-09-04 16:08 ` [PATCH v2 20/38] refs: make verify_refname_available() virtual Michael Haggerty
2016-09-04 16:08 ` [PATCH v2 21/38] refs: make pack_refs() virtual Michael Haggerty
2016-09-04 16:08 ` [PATCH v2 22/38] refs: make create_symref() virtual Michael Haggerty
2016-09-04 16:08 ` [PATCH v2 23/38] refs: make peel_ref() virtual Michael Haggerty
2016-09-04 16:08 ` [PATCH v2 24/38] repack_without_refs(): add a files_ref_store argument Michael Haggerty
2016-09-04 16:08 ` [PATCH v2 25/38] lock_raw_ref(): " Michael Haggerty
2016-09-04 16:08 ` [PATCH v2 26/38] commit_ref_update(): " Michael Haggerty
2016-09-04 16:08 ` [PATCH v2 27/38] lock_ref_for_update(): " Michael Haggerty
2016-09-04 16:08 ` [PATCH v2 28/38] lock_ref_sha1_basic(): " Michael Haggerty
2016-09-04 16:08 ` [PATCH v2 29/38] split_symref_update(): " Michael Haggerty
2016-09-04 16:08 ` [PATCH v2 30/38] files_ref_iterator_begin(): take a ref_store argument Michael Haggerty
2016-09-04 16:08 ` [PATCH v2 31/38] refs: add method iterator_begin Michael Haggerty
2016-09-04 16:08 ` [PATCH v2 32/38] refs: add methods for reflog Michael Haggerty
2016-09-04 16:08 ` [PATCH v2 33/38] refs: add method for initial ref transaction commit Michael Haggerty
2016-09-04 16:08 ` [PATCH v2 34/38] refs: make delete_refs() virtual Michael Haggerty
2016-09-04 16:08 ` Michael Haggerty [this message]
2016-09-04 16:08 ` [PATCH v2 36/38] refs: add method to rename refs Michael Haggerty
2016-09-04 16:08 ` [PATCH v2 37/38] refs: make lock generic Michael Haggerty
2016-09-04 16:08 ` [PATCH v2 38/38] refs: implement iteration over only per-worktree refs Michael Haggerty
2016-09-08 21:45 ` David Turner
2016-09-07 19:20 ` [PATCH v2 00/38] Virtualization of the refs API Junio C Hamano
2016-09-08 6:42 ` Michael Haggerty
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