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| author | Heiko Voigt <hvoigt@hvoigt.net> | 2012-05-14 18:24:45 +0200 |
|---|---|---|
| committer | Junio C Hamano <gitster@pobox.com> | 2012-05-14 11:56:42 -0700 |
| commit | 5e73633dbf8a62190611f6eb438a1a2eaaffa919 (patch) | |
| tree | 3b4d75ea58902847c8313ef9abdb5c64fea8d09a | |
| parent | d0f1ea6003d97e63110fa7d50bb07f546a909b6e (diff) | |
| download | git-5e73633dbf8a62190611f6eb438a1a2eaaffa919.tar.gz | |
teach add_submodule_odb() to look for alternates
Since we allow to link other object databases when loading a submodules
database we should also load possible alternates.
Signed-off-by: Heiko Voigt <hvoigt@hvoigt.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
| -rw-r--r-- | cache.h | 1 | ||||
| -rw-r--r-- | sha1_file.c | 3 | ||||
| -rw-r--r-- | submodule.c | 3 | ||||
| -rwxr-xr-x | t/t4041-diff-submodule-option.sh | 34 |
4 files changed, 39 insertions, 2 deletions
@@ -960,6 +960,7 @@ extern struct alternate_object_database { char base[FLEX_ARRAY]; /* more */ } *alt_odb_list; extern void prepare_alt_odb(void); +extern void read_info_alternates(const char * relative_base, int depth); extern void add_to_alternates_file(const char *reference); typedef int alt_odb_fn(struct alternate_object_database *, void *); extern void foreach_alt_odb(alt_odb_fn, void*); diff --git a/sha1_file.c b/sha1_file.c index 4f06a0e450..f615fc7206 100644 --- a/sha1_file.c +++ b/sha1_file.c @@ -228,7 +228,6 @@ char *sha1_pack_index_name(const unsigned char *sha1) struct alternate_object_database *alt_odb_list; static struct alternate_object_database **alt_odb_tail; -static void read_info_alternates(const char * alternates, int depth); static int git_open_noatime(const char *name); /* @@ -353,7 +352,7 @@ static void link_alt_odb_entries(const char *alt, const char *ep, int sep, } } -static void read_info_alternates(const char * relative_base, int depth) +void read_info_alternates(const char * relative_base, int depth) { char *map; size_t mapsz; diff --git a/submodule.c b/submodule.c index 9a28060679..b63978a161 100644 --- a/submodule.c +++ b/submodule.c @@ -63,6 +63,9 @@ static int add_submodule_odb(const char *path) alt_odb->name[40] = '\0'; alt_odb->name[41] = '\0'; alt_odb_list = alt_odb; + + /* add possible alternates from the submodule */ + read_info_alternates(objects_directory.buf, 0); prepare_alt_odb(); done: strbuf_release(&objects_directory); diff --git a/t/t4041-diff-submodule-option.sh b/t/t4041-diff-submodule-option.sh index bf9a7526bd..6c01d0c056 100755 --- a/t/t4041-diff-submodule-option.sh +++ b/t/t4041-diff-submodule-option.sh @@ -458,4 +458,38 @@ EOF test_cmp expected actual ' +test_expect_success 'diff --submodule with objects referenced by alternates' ' + mkdir sub_alt && + (cd sub_alt && + git init && + echo a >a && + git add a && + git commit -m a + ) && + mkdir super && + (cd super && + git clone -s ../sub_alt sub && + git init && + git add sub && + git commit -m "sub a" + ) && + (cd sub_alt && + sha1_before=$(git rev-parse --short HEAD) + echo b >b && + git add b && + git commit -m b + sha1_after=$(git rev-parse --short HEAD) + echo "Submodule sub $sha1_before..$sha1_after: + > b" >../expected + ) && + (cd super && + (cd sub && + git fetch && + git checkout origin/master + ) && + git diff --submodule > ../actual + ) + test_cmp expected actual +' + test_done |