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authorStefan Beller <sbeller@google.com>2018-03-23 17:20:55 (GMT)
committerJunio C Hamano <gitster@pobox.com>2018-03-23 18:06:01 (GMT)
commit90c62155d65a6bec5c2c293c8ece0b22173f63a3 (patch)
treec4d23c9cae65059849f5e1d39814f3eb34657120
parent00a3da2a131a3e122df7e053d992fbc1735bf4f9 (diff)
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repository: introduce raw object store field
The raw object store field will contain any objects needed for access to objects in a given repository. This patch introduces the raw object store and populates it with the `objectdir`, which used to be part of the repository struct. As the struct gains members, we'll also populate the function to clear the memory for these members. In a later step, we'll introduce a struct object_parser, that will complement the object parsing in a repository struct: The raw object parser is the layer that will provide access to raw object content, while the higher level object parser code will parse raw objects and keeps track of parenthood and other object relationships using 'struct object'. For now only add the lower level to the repository struct. Signed-off-by: Stefan Beller <sbeller@google.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
-rw-r--r--builtin/grep.c3
-rw-r--r--environment.c5
-rw-r--r--object-store.h18
-rw-r--r--object.c14
-rw-r--r--path.c3
-rw-r--r--repository.c15
-rw-r--r--repository.h11
-rw-r--r--sha1_file.c4
8 files changed, 56 insertions, 17 deletions
diff --git a/builtin/grep.c b/builtin/grep.c
index 3ca4ac8..1e9cdbd 100644
--- a/builtin/grep.c
+++ b/builtin/grep.c
@@ -22,6 +22,7 @@
#include "pathspec.h"
#include "submodule.h"
#include "submodule-config.h"
+#include "object-store.h"
static char const * const grep_usage[] = {
N_("git grep [<options>] [-e] <pattern> [<rev>...] [[--] <path>...]"),
@@ -432,7 +433,7 @@ static int grep_submodule(struct grep_opt *opt, struct repository *superproject,
* object.
*/
grep_read_lock();
- add_to_alternates_memory(submodule.objectdir);
+ add_to_alternates_memory(submodule.objects->objectdir);
grep_read_unlock();
if (oid) {
diff --git a/environment.c b/environment.c
index a5eaa97..93c9fbb 100644
--- a/environment.c
+++ b/environment.c
@@ -14,6 +14,7 @@
#include "fmt-merge-msg.h"
#include "commit.h"
#include "argv-array.h"
+#include "object-store.h"
int trust_executable_bit = 1;
int trust_ctime = 1;
@@ -270,9 +271,9 @@ const char *get_git_work_tree(void)
char *get_object_directory(void)
{
- if (!the_repository->objectdir)
+ if (!the_repository->objects->objectdir)
BUG("git environment hasn't been setup");
- return the_repository->objectdir;
+ return the_repository->objects->objectdir;
}
int odb_mkstemp(struct strbuf *template, const char *pattern)
diff --git a/object-store.h b/object-store.h
new file mode 100644
index 0000000..abfaae0
--- /dev/null
+++ b/object-store.h
@@ -0,0 +1,18 @@
+#ifndef OBJECT_STORE_H
+#define OBJECT_STORE_H
+
+struct raw_object_store {
+ /*
+ * Path to the repository's object store.
+ * Cannot be NULL after initialization.
+ */
+ char *objectdir;
+
+ /* Path to extra alternate object database if not NULL */
+ char *alternate_db;
+};
+
+struct raw_object_store *raw_object_store_new(void);
+void raw_object_store_clear(struct raw_object_store *o);
+
+#endif /* OBJECT_STORE_H */
diff --git a/object.c b/object.c
index 9e6f9ff..6ddd612 100644
--- a/object.c
+++ b/object.c
@@ -4,6 +4,7 @@
#include "tree.h"
#include "commit.h"
#include "tag.h"
+#include "object-store.h"
static struct object **obj_hash;
static int nr_objs, obj_hash_size;
@@ -445,3 +446,16 @@ void clear_commit_marks_all(unsigned int flags)
obj->flags &= ~flags;
}
}
+
+struct raw_object_store *raw_object_store_new(void)
+{
+ struct raw_object_store *o = xmalloc(sizeof(*o));
+
+ memset(o, 0, sizeof(*o));
+ return o;
+}
+void raw_object_store_clear(struct raw_object_store *o)
+{
+ FREE_AND_NULL(o->objectdir);
+ FREE_AND_NULL(o->alternate_db);
+}
diff --git a/path.c b/path.c
index da8b655..3308b7b 100644
--- a/path.c
+++ b/path.c
@@ -10,6 +10,7 @@
#include "submodule-config.h"
#include "path.h"
#include "packfile.h"
+#include "object-store.h"
static int get_st_mode_bits(const char *path, int *mode)
{
@@ -382,7 +383,7 @@ static void adjust_git_path(const struct repository *repo,
strbuf_splice(buf, 0, buf->len,
repo->index_file, strlen(repo->index_file));
else if (dir_prefix(base, "objects"))
- replace_dir(buf, git_dir_len + 7, repo->objectdir);
+ replace_dir(buf, git_dir_len + 7, repo->objects->objectdir);
else if (git_hooks_path && dir_prefix(base, "hooks"))
replace_dir(buf, git_dir_len + 5, git_hooks_path);
else if (repo->different_commondir)
diff --git a/repository.c b/repository.c
index 62f52f4..a4848c1 100644
--- a/repository.c
+++ b/repository.c
@@ -1,5 +1,6 @@
#include "cache.h"
#include "repository.h"
+#include "object-store.h"
#include "config.h"
#include "submodule-config.h"
@@ -12,6 +13,7 @@ void initialize_the_repository(void)
the_repository = &the_repo;
the_repo.index = &the_index;
+ the_repo.objects = raw_object_store_new();
repo_set_hash_algo(&the_repo, GIT_HASH_SHA1);
}
@@ -58,10 +60,10 @@ void repo_set_gitdir(struct repository *repo,
free(old_gitdir);
repo_set_commondir(repo, o->commondir);
- expand_base_dir(&repo->objectdir, o->object_dir,
+ expand_base_dir(&repo->objects->objectdir, o->object_dir,
repo->commondir, "objects");
- free(repo->alternate_db);
- repo->alternate_db = xstrdup_or_null(o->alternate_db);
+ free(repo->objects->alternate_db);
+ repo->objects->alternate_db = xstrdup_or_null(o->alternate_db);
expand_base_dir(&repo->graft_file, o->graft_file,
repo->commondir, "info/grafts");
expand_base_dir(&repo->index_file, o->index_file,
@@ -140,6 +142,8 @@ static int repo_init(struct repository *repo,
struct repository_format format;
memset(repo, 0, sizeof(*repo));
+ repo->objects = raw_object_store_new();
+
if (repo_init_gitdir(repo, gitdir))
goto error;
@@ -214,13 +218,14 @@ void repo_clear(struct repository *repo)
{
FREE_AND_NULL(repo->gitdir);
FREE_AND_NULL(repo->commondir);
- FREE_AND_NULL(repo->objectdir);
- FREE_AND_NULL(repo->alternate_db);
FREE_AND_NULL(repo->graft_file);
FREE_AND_NULL(repo->index_file);
FREE_AND_NULL(repo->worktree);
FREE_AND_NULL(repo->submodule_prefix);
+ raw_object_store_clear(repo->objects);
+ FREE_AND_NULL(repo->objects);
+
if (repo->config) {
git_configset_clear(repo->config);
FREE_AND_NULL(repo->config);
diff --git a/repository.h b/repository.h
index f21fd93..09df94a 100644
--- a/repository.h
+++ b/repository.h
@@ -2,9 +2,10 @@
#define REPOSITORY_H
struct config_set;
+struct git_hash_algo;
struct index_state;
+struct raw_object_store;
struct submodule_cache;
-struct git_hash_algo;
struct repository {
/* Environment */
@@ -21,13 +22,9 @@ struct repository {
char *commondir;
/*
- * Path to the repository's object store.
- * Cannot be NULL after initialization.
+ * Holds any information related to accessing the raw object content.
*/
- char *objectdir;
-
- /* Path to extra alternate object database if not NULL */
- char *alternate_db;
+ struct raw_object_store *objects;
/*
* Path to the repository's graft file.
diff --git a/sha1_file.c b/sha1_file.c
index 4af422e..af5aa83 100644
--- a/sha1_file.c
+++ b/sha1_file.c
@@ -29,6 +29,7 @@
#include "quote.h"
#include "packfile.h"
#include "fetch-object.h"
+#include "object-store.h"
const unsigned char null_sha1[GIT_MAX_RAWSZ];
const struct object_id null_oid;
@@ -671,7 +672,8 @@ void prepare_alt_odb(void)
return;
alt_odb_tail = &alt_odb_list;
- link_alt_odb_entries(the_repository->alternate_db, PATH_SEP, NULL, 0);
+ link_alt_odb_entries(the_repository->objects->alternate_db,
+ PATH_SEP, NULL, 0);
read_info_alternates(get_object_directory(), 0);
}