Thread (115 messages) 115 messages, 7 authors, 2018-02-27

Re: [PATCHv4 01/27] repository: introduce raw object store field

From: Duy Nguyen <hidden>
Date: 2018-02-26 09:30:55
Subsystem: the rest · Maintainer: Linus Torvalds

Possibly related (same subject, not in this thread)

On Fri, Feb 23, 2018 at 04:47:28PM -0800, Stefan Beller wrote:
quoted hunk ↗ jump to hunk
 /* The main repository */
 static struct repository the_repo = {
-	NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, &the_index, &hash_algos[GIT_HASH_SHA1], 0, 0
+	NULL, NULL,
+	RAW_OBJECT_STORE_INIT,
+	NULL, NULL, NULL,
+	NULL, NULL, NULL,
+	&the_index,
+	&hash_algos[GIT_HASH_SHA1],
+	0, 0
 };
 struct repository *the_repository = &the_repo;
I wonder if we should do something like this. It makes the_repo
initialization easier to read and it helps unify the init code with
submodule.

No don't reroll. If you think it's a good idea, you can do something
like this in the next series instead.

-- 8< --
diff --git a/check-racy.c b/check-racy.c
index 24b6542352..47cbb4eb6d 100644
--- a/check-racy.c
+++ b/check-racy.c
@@ -1,10 +1,12 @@
 #include "cache.h"
+#include "repository.h"
 
 int main(int ac, char **av)
 {
 	int i;
 	int dirty, clean, racy;
 
+	init_the_repository();
 	dirty = clean = racy = 0;
 	read_cache();
 	for (i = 0; i < active_nr; i++) {
diff --git a/common-main.c b/common-main.c
index 6a689007e7..a13ab981aa 100644
--- a/common-main.c
+++ b/common-main.c
@@ -1,6 +1,7 @@
 #include "cache.h"
 #include "exec_cmd.h"
 #include "attr.h"
+#include "repository.h"
 
 /*
  * Many parts of Git have subprograms communicate via pipe, expect the
@@ -32,6 +33,8 @@ int main(int argc, const char **argv)
 	 */
 	sanitize_stdfds();
 
+	init_the_repository();
+
 	git_setup_gettext();
 
 	attr_start();
diff --git a/object-store.h b/object-store.h
index cf35760ceb..c3253ebc59 100644
--- a/object-store.h
+++ b/object-store.h
@@ -8,8 +8,8 @@ struct raw_object_store {
 	 */
 	char *objectdir;
 };
-#define RAW_OBJECT_STORE_INIT { NULL }
 
+void raw_object_store_init(struct raw_object_store *o);
 void raw_object_store_clear(struct raw_object_store *o);
 
 #endif /* OBJECT_STORE_H */
diff --git a/object.c b/object.c
index 11d904c033..8a4d01dd5f 100644
--- a/object.c
+++ b/object.c
@@ -446,6 +446,11 @@ void clear_commit_marks_all(unsigned int flags)
 	}
 }
 
+void raw_object_store_init(struct raw_object_store *o)
+{
+	memset(o, 0, sizeof(*o));
+}
+
 void raw_object_store_clear(struct raw_object_store *o)
 {
 	free(o->objectdir);
diff --git a/repository.c b/repository.c
index 2255ff657e..0ebcca8539 100644
--- a/repository.c
+++ b/repository.c
@@ -5,16 +5,22 @@
 #include "submodule-config.h"
 
 /* The main repository */
-static struct repository the_repo = {
-	NULL, NULL,
-	RAW_OBJECT_STORE_INIT,
-	NULL, NULL, NULL,
-	NULL, NULL, NULL,
-	&the_index,
-	&hash_algos[GIT_HASH_SHA1],
-	0, 0
-};
-struct repository *the_repository = &the_repo;
+static struct repository the_repo;
+struct repository *the_repository;
+
+static void repo_pre_init(struct repository *repo)
+{
+	memset(repo, 0, sizeof(*repo));
+	raw_object_store_init(&repo->objects);
+}
+
+void init_the_repository(void)
+{
+	the_repository = &the_repo;
+	repo_pre_init(the_repository);
+	the_repository->index = &the_index;
+	repo_set_hash_algo(the_repository, GIT_HASH_SHA1);
+}
 
 static char *git_path_from_env(const char *envvar, const char *git_dir,
 			       const char *path, int fromenv)
@@ -138,7 +144,8 @@ static int read_and_verify_repository_format(struct repository_format *format,
 int repo_init(struct repository *repo, const char *gitdir, const char *worktree)
 {
 	struct repository_format format;
-	memset(repo, 0, sizeof(*repo));
+
+	repo_pre_init(repo);
 
 	repo->ignore_env = 1;
 
diff --git a/repository.h b/repository.h
index 1f8bc7a7cf..da6a8f9af9 100644
--- a/repository.h
+++ b/repository.h
@@ -93,6 +93,7 @@ extern void repo_set_gitdir(struct repository *repo, const char *path);
 extern void repo_set_worktree(struct repository *repo, const char *path);
 extern void repo_set_hash_algo(struct repository *repo, int algo);
 extern int repo_init(struct repository *repo, const char *gitdir, const char *worktree);
+extern void init_the_repository(void);
 extern int repo_submodule_init(struct repository *submodule,
 			       struct repository *superproject,
 			       const char *path);
-- 8< --
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