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git/test-dump-split-index.c
David Turner 475a34451f commit: don't rewrite shared index unnecessarily
Remove a cache invalidation which would cause the shared index to be
rewritten on as-is commits.

When the cache-tree has changed, we need to update it.  But we don't
necessarily need to update the shared index.  So setting
active_cache_changed to SOMETHING_CHANGED is unnecessary.  Instead, we
let update_main_cache_tree just update the CACHE_TREE_CHANGED bit.

In order to test this, make test-dump-split-index not segfault on
missing replace_bitmap/delete_bitmap.  This new codepath is not called
now that the test passes, but is necessary to avoid a segfault when the
new test is run with the old builtin/commit.c code.

Signed-off-by: David Turner <dturner@twopensource.com>
Acked-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-08-31 08:41:07 -07:00

37 lines
861 B
C

#include "cache.h"
#include "split-index.h"
#include "ewah/ewok.h"
static void show_bit(size_t pos, void *data)
{
printf(" %d", (int)pos);
}
int main(int ac, char **av)
{
struct split_index *si;
int i;
do_read_index(&the_index, av[1], 1);
printf("own %s\n", sha1_to_hex(the_index.sha1));
si = the_index.split_index;
if (!si) {
printf("not a split index\n");
return 0;
}
printf("base %s\n", sha1_to_hex(si->base_sha1));
for (i = 0; i < the_index.cache_nr; i++) {
struct cache_entry *ce = the_index.cache[i];
printf("%06o %s %d\t%s\n", ce->ce_mode,
sha1_to_hex(ce->sha1), ce_stage(ce), ce->name);
}
printf("replacements:");
if (si->replace_bitmap)
ewah_each_bit(si->replace_bitmap, show_bit, NULL);
printf("\ndeletions:");
if (si->delete_bitmap)
ewah_each_bit(si->delete_bitmap, show_bit, NULL);
printf("\n");
return 0;
}