[PATCH 05/11] Add a library function to add an alternate to the alternates file
- From
Daniel Barkalow <barkalow@iabervon.org>
- Date
- Mar 8, 2008, 23:04 UTC
- Message-ID
- <alpine.LNX.1.00.0803081804090.19665@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 | 19 +++++++++++++++++++ 2 files changed, 20 insertions(+), 0 deletions(-)
diff --git a/cache.h b/cache.h index bdefcc9..6aae174 100644 --- a/cache.h +++ b/cache.h @@ -587,6 +587,7 @@ 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..4ce4d9d 100644 --- a/sha1_file.c +++ b/sha1_file.c @@ -379,6 +379,25 @@ static void read_info_alternates(const char * relative_base, int depth) munmap(map, mapsz); } +void add_to_alternates_file(const char *reference) +{ + char *file; + char *alt; + int fd; + + file = mkpath("%s/objects/info/alternates", get_git_dir()); + fd = open(file, O_CREAT | O_WRONLY | O_APPEND, 0666); + if (fd < 0) + die("failed to create %s", file); + alt = mkpath("%s/objects\n", reference); + write_or_die(fd, alt, strlen(alt)); + if (close(fd)) + die("could not close %s", file); + fprintf(stderr, "Wrote %s to %s\n", alt, file); + if (alt_odb_tail) + link_alt_odb_entries(alt, alt + strlen(alt), '\n', NULL, 0); +} + void prepare_alt_odb(void) { const char *alt;
-- 1.5.4.3.327.g614d7.dirty