From: Michael Haggerty <mhagger@alum.mit.edu>
To: Junio C Hamano <gitster@pobox.com>,
David Turner <dturner@twopensource.com>
Cc: "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, "Michael Haggerty" <mhagger@alum.mit.edu>
Subject: [PATCH 19/38] refs: make read_raw_ref() virtual
Date: Fri, 3 Jun 2016 23:03:54 +0200 [thread overview]
Message-ID: <ca7ba1938c725ae936a9f5f82935674d1d582366.1464983301.git.mhagger@alum.mit.edu> (raw)
In-Reply-To: <cover.1464983301.git.mhagger@alum.mit.edu>
Reference backends will be able to customize this function to implement
reference reading.
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
---
refs.c | 4 ++--
refs/files-backend.c | 14 ++++++++------
refs/refs-internal.h | 36 +++++++++++++++++++-----------------
3 files changed, 29 insertions(+), 25 deletions(-)
diff --git a/refs.c b/refs.c
index c39f85a..1798f66 100644
--- a/refs.c
+++ b/refs.c
@@ -1251,8 +1251,8 @@ static const char *resolve_ref_recursively(struct ref_store *refs,
for (symref_count = 0; symref_count < SYMREF_MAXDEPTH; symref_count++) {
unsigned int read_flags = 0;
- if (read_raw_ref(refs, refname,
- sha1, &sb_refname, &read_flags)) {
+ if (refs->be->read_raw_ref(refs, refname,
+ sha1, &sb_refname, &read_flags)) {
*flags |= read_flags;
if (errno != ENOENT || (resolve_flags & RESOLVE_REF_READING))
return NULL;
diff --git a/refs/files-backend.c b/refs/files-backend.c
index d6d83d2..5b6d388 100644
--- a/refs/files-backend.c
+++ b/refs/files-backend.c
@@ -1353,9 +1353,9 @@ static int resolve_packed_ref(struct files_ref_store *refs,
return -1;
}
-int read_raw_ref(struct ref_store *ref_store,
- const char *refname, unsigned char *sha1,
- struct strbuf *referent, unsigned int *type)
+static int files_read_raw_ref(struct ref_store *ref_store,
+ const char *refname, unsigned char *sha1,
+ struct strbuf *referent, unsigned int *type)
{
struct files_ref_store *refs =
files_downcast(ref_store, 1, "read_raw_ref");
@@ -1627,8 +1627,8 @@ retry:
* fear that its value will change.
*/
- if (read_raw_ref(ref_store, refname,
- lock->old_oid.hash, referent, type)) {
+ if (files_read_raw_ref(ref_store, refname,
+ lock->old_oid.hash, referent, type)) {
if (errno == ENOENT) {
if (mustexist) {
/* Garden variety missing reference. */
@@ -4023,5 +4023,7 @@ struct ref_storage_be refs_be_files = {
NULL,
"files",
files_ref_store_create,
- files_transaction_commit
+ files_transaction_commit,
+
+ files_read_raw_ref
};
diff --git a/refs/refs-internal.h b/refs/refs-internal.h
index 8c45ee3..8d4287c 100644
--- a/refs/refs-internal.h
+++ b/refs/refs-internal.h
@@ -481,6 +481,20 @@ int do_for_each_ref_iterator(struct ref_iterator *iter,
struct ref_store;
+/* refs backends */
+
+/*
+ * Initialize the ref_store for the specified submodule, or for the
+ * main repository if submodule == NULL. These functions should call
+ * base_ref_store_init() to initialize the shared part of the
+ * ref_store and to record the ref_store for later lookup.
+ */
+typedef struct ref_store *ref_store_init_fn(const char *submodule);
+
+typedef int ref_transaction_commit_fn(struct ref_store *refs,
+ struct ref_transaction *transaction,
+ struct strbuf *err);
+
/*
* Read a reference from the specified reference store, non-recursively.
* Set type to describe the reference, and:
@@ -519,29 +533,17 @@ struct ref_store;
* - in all other cases, referent will be untouched, and therefore
* refname will still be valid and unchanged.
*/
-int read_raw_ref(struct ref_store *ref_store,
- const char *refname, unsigned char *sha1,
- struct strbuf *referent, unsigned int *type);
-
-/* refs backends */
-
-/*
- * Initialize the ref_store for the specified submodule, or for the
- * main repository if submodule == NULL. These functions should call
- * base_ref_store_init() to initialize the shared part of the
- * ref_store and to record the ref_store for later lookup.
- */
-typedef struct ref_store *ref_store_init_fn(const char *submodule);
-
-typedef int ref_transaction_commit_fn(struct ref_store *refs,
- struct ref_transaction *transaction,
- struct strbuf *err);
+typedef int read_raw_ref_fn(struct ref_store *ref_store,
+ const char *refname, unsigned char *sha1,
+ struct strbuf *referent, unsigned int *type);
struct ref_storage_be {
struct ref_storage_be *next;
const char *name;
ref_store_init_fn *init;
ref_transaction_commit_fn *transaction_commit;
+
+ read_raw_ref_fn *read_raw_ref;
};
extern struct ref_storage_be refs_be_files;
--
2.8.1
next prev parent reply other threads:[~2016-06-03 21:05 UTC|newest]
Thread overview: 67+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-03 21:03 [PATCH 00/38] Virtualization of the refs API Michael Haggerty
2016-06-03 21:03 ` [PATCH 01/38] resolve_gitlink_ref(): eliminate temporary variable Michael Haggerty
2016-06-03 21:03 ` [PATCH 02/38] rename_ref_available(): add docstring Michael Haggerty
2016-06-07 18:10 ` Junio C Hamano
2016-06-09 13:09 ` Michael Haggerty
2016-06-09 15:08 ` Junio C Hamano
2016-06-03 21:03 ` [PATCH 03/38] refs: rename struct ref_cache to files_ref_store Michael Haggerty
2016-06-03 21:03 ` [PATCH 04/38] refs: add a backend method structure Michael Haggerty
2016-06-03 21:03 ` [PATCH 05/38] refs: create a base class "ref_store" for files_ref_store Michael Haggerty
2016-06-07 16:31 ` Junio C Hamano
2016-06-09 21:54 ` René Scharfe
2016-06-07 17:03 ` Junio C Hamano
2016-06-09 14:10 ` Michael Haggerty
2016-06-09 16:14 ` Junio C Hamano
2016-06-10 6:18 ` Michael Haggerty
2016-06-10 15:53 ` Junio C Hamano
2016-06-10 8:08 ` Eric Sunshine
2016-06-10 12:02 ` Michael Haggerty
2016-06-03 21:03 ` [PATCH 06/38] add_packed_ref(): add a files_ref_store argument Michael Haggerty
2016-06-03 21:03 ` [PATCH 07/38] get_packed_ref(): " Michael Haggerty
2016-06-03 21:03 ` [PATCH 08/38] resolve_missing_loose_ref(): " Michael Haggerty
2016-06-03 21:03 ` [PATCH 09/38] {lock,commit,rollback}_packed_refs(): add files_ref_store arguments Michael Haggerty
2016-06-03 21:03 ` [PATCH 10/38] refs: add a transaction_commit() method Michael Haggerty
2016-06-03 21:03 ` [PATCH 11/38] refs: reorder definitions Michael Haggerty
2016-06-03 21:03 ` [PATCH 12/38] resolve_packed_ref(): rename function from resolve_missing_loose_ref() Michael Haggerty
2016-06-03 21:03 ` [PATCH 13/38] resolve_gitlink_packed_ref(): remove function Michael Haggerty
2016-06-03 21:03 ` [PATCH 14/38] read_raw_ref(): take a (struct ref_store *) argument Michael Haggerty
2016-06-03 21:03 ` [PATCH 15/38] resolve_ref_recursively(): new function Michael Haggerty
2016-06-03 21:03 ` [PATCH 16/38] resolve_gitlink_ref(): implement using resolve_ref_recursively() Michael Haggerty
2016-06-07 17:19 ` Junio C Hamano
2016-06-14 5:03 ` Eric Sunshine
2016-06-16 4:03 ` Michael Haggerty
2016-06-03 21:03 ` [PATCH 17/38] resolve_gitlink_ref(): avoid memory allocation in many cases Michael Haggerty
2016-06-07 17:29 ` Junio C Hamano
2016-06-09 14:37 ` Michael Haggerty
2016-06-03 21:03 ` [PATCH 18/38] resolve_gitlink_ref(): rename path parameter to submodule Michael Haggerty
2016-06-03 21:03 ` Michael Haggerty [this message]
2016-06-03 21:03 ` [PATCH 20/38] refs: make verify_refname_available() virtual Michael Haggerty
2016-06-03 21:03 ` [PATCH 21/38] refs: make pack_refs() virtual Michael Haggerty
2016-06-07 17:35 ` Junio C Hamano
2016-06-09 14:46 ` Michael Haggerty
2016-06-03 21:03 ` [PATCH 22/38] refs: make create_symref() virtual Michael Haggerty
2016-06-03 21:03 ` [PATCH 23/38] refs: make peel_ref() virtual Michael Haggerty
2016-06-07 17:36 ` Junio C Hamano
2016-06-09 15:05 ` Michael Haggerty
2016-06-03 21:03 ` [PATCH 24/38] repack_without_refs(): add a files_ref_store argument Michael Haggerty
2016-06-03 21:04 ` [PATCH 25/38] lock_raw_ref(): " Michael Haggerty
2016-06-03 21:04 ` [PATCH 26/38] commit_ref_update(): " Michael Haggerty
2016-06-03 21:04 ` [PATCH 27/38] lock_ref_for_update(): " Michael Haggerty
2016-06-03 21:04 ` [PATCH 28/38] lock_ref_sha1_basic(): " Michael Haggerty
2016-06-03 21:04 ` [PATCH 29/38] split_symref_update(): " Michael Haggerty
2016-06-03 21:04 ` [PATCH 30/38] files_ref_iterator_begin(): take a ref_store argument Michael Haggerty
2016-06-03 21:04 ` [PATCH 31/38] refs: add method iterator_begin Michael Haggerty
2016-06-03 21:04 ` [PATCH 32/38] refs: add methods for reflog Michael Haggerty
2016-06-03 21:04 ` [PATCH 33/38] refs: add method for initial ref transaction commit Michael Haggerty
2016-06-03 21:04 ` [PATCH 34/38] refs: add method for delete_refs Michael Haggerty
2016-06-07 17:43 ` Junio C Hamano
2016-06-09 15:14 ` Michael Haggerty
2016-06-03 21:04 ` [PATCH 35/38] refs: add methods to init refs db Michael Haggerty
2016-06-03 21:04 ` [PATCH 36/38] refs: add method to rename refs Michael Haggerty
2016-06-03 21:04 ` [PATCH 37/38] refs: make lock generic Michael Haggerty
2016-06-07 17:50 ` Junio C Hamano
2016-06-09 15:21 ` Michael Haggerty
2016-06-09 15:53 ` Michael Haggerty
2016-06-03 21:04 ` [PATCH 38/38] refs: implement iteration over only per-worktree refs Michael Haggerty
2016-07-10 15:09 ` [PATCH 00/38] Virtualization of the refs API Duy Nguyen
2016-07-13 15:26 ` Michael Haggerty
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