[PATCH 3/8] Add a library function to add an alternate to the alternates file
- From
Daniel Barkalow <barkalow@iabervon.org>
- Date
- Apr 17, 2008, 23:32 UTC
- Message-ID
- <alpine.LNX.1.00.0804171931520.19665@iabervon.org>
This is in the core so that, if the alternates file has already been read, the addition can be parsed and put into effect for the current process.
Signed-off-by: Daniel Barkalow <barkalow@iabervon.org> --- cache.h | 1 + sha1_file.c | 12 ++++++++++++ 2 files changed, 13 insertions(+), 0 deletions(-)
diff --git a/cache.h b/cache.h index 4a113b0..96dcb49 100644 --- a/cache.h +++ b/cache.h @@ -589,6 +589,7 @@ extern struct alternate_object_database { char base[FLEX_ARRAY]; /* more */ } *alt_odb_list; extern void prepare_alt_odb(void); +extern void add_to_alternates_file(const char *reference); struct pack_window { struct pack_window *next; diff --git a/sha1_file.c b/sha1_file.c index 445a871..1aa3cef 100644 --- a/sha1_file.c +++ b/sha1_file.c @@ -379,6 +379,18 @@ static void read_info_alternates(const char * relative_base, int depth) munmap(map, mapsz); } +void add_to_alternates_file(const char *reference) +{ + struct lock_file *lock = xcalloc(1, sizeof(struct lock_file)); + int fd = hold_lock_file_for_append(lock, git_path("objects/info/alternates"), 1); + char *alt = mkpath("%s/objects\n", reference); + write_or_die(fd, alt, strlen(alt)); + if (commit_lock_file(lock)) + die("could not close alternates file"); + if (alt_odb_tail) + link_alt_odb_entries(alt, alt + strlen(alt), '\n', NULL, 0); +} + void prepare_alt_odb(void) { const char *alt;
-- 1.5.4.3.610.gea6cd