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multi-pack-index: add 'verify' verb 

The multi-pack-index builtin writes multi-pack-index files, and
uses a 'write' verb to do so. Add a 'verify' verb that checks this
file matches the contents of the pack-indexes it replaces.

The current implementation is a no-op, but will be extended in
small increments in later commits.

Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Derrick Stolee 2018-09-13 11:02:13 -07:00 committed by Junio C Hamano
parent 6a22d52126
commit 56ee7ff156
5 changed files with 35 additions and 1 deletions
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10
Documentation/git-multi-pack-index.txt
View File

@ -27,6 +27,10 @@ write::
When given as the verb, write a new MIDX file to
`<dir>/packs/multi-pack-index`.
verify::
When given as the verb, verify the contents of the MIDX file
at `<dir>/packs/multi-pack-index`.
EXAMPLES
--------
@ -43,6 +47,12 @@ $ git multi-pack-index write
$ git multi-pack-index --object-dir <alt> write
-----------------------------------------------
* Verify the MIDX file for the packfiles in the current .git folder.
+
-----------------------------------------------
$ git multi-pack-index verify
-----------------------------------------------
SEE ALSO
--------

4
builtin/multi-pack-index.c
View File

@ -5,7 +5,7 @@
#include "midx.h"
static char const * const builtin_multi_pack_index_usage[] = {
N_("git multi-pack-index [--object-dir=<dir>] write"),
N_("git multi-pack-index [--object-dir=<dir>] (write|verify)"),
NULL
};
@ -42,6 +42,8 @@ int cmd_multi_pack_index(int argc, const char **argv,
if (!strcmp(argv[0], "write"))
return write_midx_file(opts.object_dir);
if (!strcmp(argv[0], "verify"))
return verify_midx_file(opts.object_dir);
die(_("unrecognized verb: %s"), argv[0]);
}

13
midx.c
View File

@ -928,3 +928,16 @@ void clear_midx_file(const char *object_dir)
free(midx);
}
static int verify_midx_error;
int verify_midx_file(const char *object_dir)
{
struct multi_pack_index *m = load_multi_pack_index(object_dir, 1);
verify_midx_error = 0;
if (!m)
return 0;
return verify_midx_error;
}

1
midx.h
View File

@ -43,5 +43,6 @@ int prepare_multi_pack_index_one(struct repository *r, const char *object_dir, i
int write_midx_file(const char *object_dir);
void clear_midx_file(const char *object_dir);
int verify_midx_file(const char *object_dir);
#endif

8
t/t5319-multi-pack-index.sh
View File

@ -150,6 +150,10 @@ test_expect_success 'write midx with twelve packs' '
compare_results_with_midx "twelve packs"
test_expect_success 'verify multi-pack-index success' '
git multi-pack-index verify --object-dir=$objdir
'
test_expect_success 'repack removes multi-pack-index' '
test_path_is_file $objdir/pack/multi-pack-index &&
git repack -adf &&
@ -214,4 +218,8 @@ test_expect_success 'force some 64-bit offsets with pack-objects' '
midx_read_expect 1 63 5 objects64 " large-offsets"
'
test_expect_success 'verify multi-pack-index with 64-bit offsets' '
git multi-pack-index verify --object-dir=objects64
'
test_done