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-rw-r--r--cache.h4
-rw-r--r--repository.c7
-rw-r--r--repository.h5
-rw-r--r--setup.c3
4 files changed, 19 insertions, 0 deletions
diff --git a/cache.h b/cache.h
index cb7fb7c..c238688 100644
--- a/cache.h
+++ b/cache.h
@@ -14,6 +14,7 @@
#include "hash.h"
#include "path.h"
#include "sha1-array.h"
+#include "repository.h"
#ifndef platform_SHA_CTX
/*
@@ -77,6 +78,8 @@ struct object_id {
unsigned char hash[GIT_MAX_RAWSZ];
};
+#define the_hash_algo the_repository->hash_algo
+
#if defined(DT_UNKNOWN) && !defined(NO_D_TYPE_IN_DIRENT)
#define DTYPE(de) ((de)->d_type)
#else
@@ -888,6 +891,7 @@ struct repository_format {
int version;
int precious_objects;
int is_bare;
+ int hash_algo;
char *work_tree;
struct string_list unknown_extensions;
};
diff --git a/repository.c b/repository.c
index bb2fae5..c6ceb9f 100644
--- a/repository.c
+++ b/repository.c
@@ -64,6 +64,11 @@ void repo_set_gitdir(struct repository *repo, const char *path)
free(old_gitdir);
}
+void repo_set_hash_algo(struct repository *repo, int hash_algo)
+{
+ repo->hash_algo = &hash_algos[hash_algo];
+}
+
/*
* Attempt to resolve and set the provided 'gitdir' for repository 'repo'.
* Return 0 upon success and a non-zero value upon failure.
@@ -136,6 +141,8 @@ int repo_init(struct repository *repo, const char *gitdir, const char *worktree)
if (read_and_verify_repository_format(&format, repo->commondir))
goto error;
+ repo_set_hash_algo(repo, format.hash_algo);
+
if (worktree)
repo_set_worktree(repo, worktree);
diff --git a/repository.h b/repository.h
index 7f5e24a..0329e40 100644
--- a/repository.h
+++ b/repository.h
@@ -4,6 +4,7 @@
struct config_set;
struct index_state;
struct submodule_cache;
+struct git_hash_algo;
struct repository {
/* Environment */
@@ -67,6 +68,9 @@ struct repository {
*/
struct index_state *index;
+ /* Repository's current hash algorithm, as serialized on disk. */
+ const struct git_hash_algo *hash_algo;
+
/* Configurations */
/*
* Bit used during initialization to indicate if repository state (like
@@ -86,6 +90,7 @@ extern struct repository *the_repository;
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 int repo_submodule_init(struct repository *submodule,
struct repository *superproject,
diff --git a/setup.c b/setup.c
index cf1b22c..50c6b2a 100644
--- a/setup.c
+++ b/setup.c
@@ -488,6 +488,7 @@ int read_repository_format(struct repository_format *format, const char *path)
memset(format, 0, sizeof(*format));
format->version = -1;
format->is_bare = -1;
+ format->hash_algo = GIT_HASH_SHA1;
string_list_init(&format->unknown_extensions, 1);
git_config_from_file(check_repo_format, path, format);
return format->version;
@@ -1113,6 +1114,8 @@ const char *setup_git_directory_gently(int *nongit_ok)
repo_set_gitdir(the_repository, gitdir);
setup_git_env();
}
+ if (startup_info->have_repository)
+ repo_set_hash_algo(the_repository, repo_fmt.hash_algo);
}
strbuf_release(&dir);