From: Stefan Beller <sbeller@xxxxxxxxxx> In a process with multiple repositories open, alternates should be associated to a single repository and not shared globally. Move alt_odb_list and alt_odb_tail into the_repository and adjust callers to reflect this. No functional change intended. Signed-off-by: Stefan Beller <sbeller@xxxxxxxxxx> Signed-off-by: Jonathan Nieder <jrnieder@xxxxxxxxx> --- builtin/fsck.c | 4 +++- cache.h | 4 ++-- object-store.h | 6 +++++- packfile.c | 3 ++- sha1_file.c | 25 ++++++++++++------------- sha1_name.c | 3 ++- 6 files changed, 26 insertions(+), 19 deletions(-) diff --git a/builtin/fsck.c b/builtin/fsck.c index 1e4c471b41..188e32acd6 100644 --- a/builtin/fsck.c +++ b/builtin/fsck.c @@ -1,5 +1,6 @@ #include "builtin.h" #include "cache.h" +#include "repository.h" #include "config.h" #include "commit.h" #include "tree.h" @@ -699,7 +700,8 @@ int cmd_fsck(int argc, const char **argv, const char *prefix) fsck_object_dir(get_object_directory()); prepare_alt_odb(); - for (alt = alt_odb_list; alt; alt = alt->next) + for (alt = the_repository->objects.alt_odb_list; + alt; alt = alt->next) fsck_object_dir(alt->path); if (check_full) { diff --git a/cache.h b/cache.h index 49b083ee0a..8d0d34f78b 100644 --- a/cache.h +++ b/cache.h @@ -1504,7 +1504,7 @@ extern int has_dirs_only_path(const char *name, int len, int prefix_len); extern void schedule_dir_for_removal(const char *name, int len); extern void remove_scheduled_dirs(void); -extern struct alternate_object_database { +struct alternate_object_database { struct alternate_object_database *next; /* see alt_scratch_buf() */ @@ -1522,7 +1522,7 @@ extern struct alternate_object_database { struct oid_array loose_objects_cache; char path[FLEX_ARRAY]; -} *alt_odb_list; +}; extern void prepare_alt_odb(void); extern char *compute_alternate_path(const char *path, struct strbuf *err); typedef int alt_odb_fn(struct alternate_object_database *, void *); diff --git a/object-store.h b/object-store.h index 05722cdde0..ace3efbfab 100644 --- a/object-store.h +++ b/object-store.h @@ -1,8 +1,12 @@ #ifndef OBJECT_STORE_H #define OBJECT_STORE_H +#include "cache.h" + struct object_store { + struct alternate_object_database *alt_odb_list; + struct alternate_object_database **alt_odb_tail; }; -#define OBJECT_STORE_INIT {} +#define OBJECT_STORE_INIT { NULL, NULL } #endif /* OBJECT_STORE_H */ diff --git a/packfile.c b/packfile.c index f69a5c8d60..5040c9f137 100644 --- a/packfile.c +++ b/packfile.c @@ -1,6 +1,7 @@ #include "cache.h" #include "mru.h" #include "pack.h" +#include "repository.h" #include "dir.h" #include "mergesort.h" #include "packfile.h" @@ -873,7 +874,7 @@ void prepare_packed_git(void) return; prepare_packed_git_one(get_object_directory(), 1); prepare_alt_odb(); - for (alt = alt_odb_list; alt; alt = alt->next) + for (alt = the_repository->objects.alt_odb_list; alt; alt = alt->next) prepare_packed_git_one(alt->path, 0); rearrange_packed_git(); prepare_packed_git_mru(); diff --git a/sha1_file.c b/sha1_file.c index f56bb5cae7..7c6ffd205a 100644 --- a/sha1_file.c +++ b/sha1_file.c @@ -22,6 +22,7 @@ #include "pack-revindex.h" #include "sha1-lookup.h" #include "bulk-checkin.h" +#include "repository.h" #include "streaming.h" #include "dir.h" #include "mru.h" @@ -276,9 +277,6 @@ static const char *alt_sha1_path(struct alternate_object_database *alt, return buf->buf; } -struct alternate_object_database *alt_odb_list; -static struct alternate_object_database **alt_odb_tail; - /* * Return non-zero iff the path is usable as an alternate object database. */ @@ -298,7 +296,7 @@ static int alt_odb_usable(struct strbuf *path, const char *normalized_objdir) * Prevent the common mistake of listing the same * thing twice, or object directory itself. */ - for (alt = alt_odb_list; alt; alt = alt->next) { + for (alt = the_repository->objects.alt_odb_list; alt; alt = alt->next) { if (!fspathcmp(path->buf, alt->path)) return 0; } @@ -358,8 +356,8 @@ static int link_alt_odb_entry(const char *entry, const char *relative_base, ent = alloc_alt_odb(pathbuf.buf); /* add the alternate entry */ - *alt_odb_tail = ent; - alt_odb_tail = &(ent->next); + *the_repository->objects.alt_odb_tail = ent; + the_repository->objects.alt_odb_tail = &(ent->next); ent->next = NULL; /* recursively add alternates */ @@ -502,7 +500,7 @@ void add_to_alternates_file(const char *reference) fprintf_or_die(out, "%s\n", reference); if (commit_lock_file(lock)) die_errno("unable to move new alternates file into place"); - if (alt_odb_tail) + if (the_repository->objects.alt_odb_tail) link_alt_odb_entries(reference, strlen(reference), '\n', NULL, 0); } free(alts); @@ -600,7 +598,7 @@ int foreach_alt_odb(alt_odb_fn fn, void *cb) int r = 0; prepare_alt_odb(); - for (ent = alt_odb_list; ent; ent = ent->next) { + for (ent = the_repository->objects.alt_odb_list; ent; ent = ent->next) { r = fn(ent, cb); if (r) break; @@ -612,13 +610,14 @@ void prepare_alt_odb(void) { const char *alt; - if (alt_odb_tail) + if (the_repository->objects.alt_odb_tail) return; alt = getenv(ALTERNATE_DB_ENVIRONMENT); if (!alt) alt = ""; - alt_odb_tail = &alt_odb_list; + the_repository->objects.alt_odb_tail = + &the_repository->objects.alt_odb_list; link_alt_odb_entries(alt, strlen(alt), PATH_SEP, NULL, 0); read_info_alternates(get_object_directory(), 0); @@ -657,7 +656,7 @@ static int check_and_freshen_nonlocal(const unsigned char *sha1, int freshen) { struct alternate_object_database *alt; prepare_alt_odb(); - for (alt = alt_odb_list; alt; alt = alt->next) { + for (alt = the_repository->objects.alt_odb_list; alt; alt = alt->next) { const char *path = alt_sha1_path(alt, sha1); if (check_and_freshen_file(path, freshen)) return 1; @@ -813,7 +812,7 @@ static int stat_sha1_file(const unsigned char *sha1, struct stat *st, prepare_alt_odb(); errno = ENOENT; - for (alt = alt_odb_list; alt; alt = alt->next) { + for (alt = the_repository->objects.alt_odb_list; alt; alt = alt->next) { *path = alt_sha1_path(alt, sha1); if (!lstat(*path, st)) return 0; @@ -839,7 +838,7 @@ static int open_sha1_file(const unsigned char *sha1, const char **path) most_interesting_errno = errno; prepare_alt_odb(); - for (alt = alt_odb_list; alt; alt = alt->next) { + for (alt = the_repository->objects.alt_odb_list; alt; alt = alt->next) { *path = alt_sha1_path(alt, sha1); fd = git_open(*path); if (fd >= 0) diff --git a/sha1_name.c b/sha1_name.c index 134ac9742f..5b8ce1c42c 100644 --- a/sha1_name.c +++ b/sha1_name.c @@ -10,6 +10,7 @@ #include "dir.h" #include "sha1-array.h" #include "packfile.h" +#include "repository.h" static int get_oid_oneline(const char *, struct object_id *, struct commit_list *); @@ -104,7 +105,7 @@ static void find_short_object_filename(struct disambiguate_state *ds) */ fakeent = alloc_alt_odb(get_object_directory()); } - fakeent->next = alt_odb_list; + fakeent->next = the_repository->objects.alt_odb_list; for (alt = fakeent; alt && !ds->ambiguous; alt = alt->next) { int pos; -- 2.14.1.581.gf28d330327