diff options
| -rw-r--r-- | .gitignore | 1 | ||||
| -rw-r--r-- | Makefile | 1 | ||||
| -rw-r--r-- | cache.h | 2 | ||||
| -rw-r--r-- | read-cache.c | 3 | ||||
| -rwxr-xr-x | t/t1700-split-index.sh | 194 | ||||
| -rw-r--r-- | test-dump-split-index.c | 34 |
6 files changed, 233 insertions, 2 deletions
diff --git a/.gitignore b/.gitignore index dc600f9b36..70992a4388 100644 --- a/.gitignore +++ b/.gitignore @@ -180,6 +180,7 @@ /test-date /test-delta /test-dump-cache-tree +/test-dump-split-index /test-scrap-cache-tree /test-genrandom /test-hashmap @@ -565,6 +565,7 @@ TEST_PROGRAMS_NEED_X += test-ctype TEST_PROGRAMS_NEED_X += test-date TEST_PROGRAMS_NEED_X += test-delta TEST_PROGRAMS_NEED_X += test-dump-cache-tree +TEST_PROGRAMS_NEED_X += test-dump-split-index TEST_PROGRAMS_NEED_X += test-genrandom TEST_PROGRAMS_NEED_X += test-hashmap TEST_PROGRAMS_NEED_X += test-index-version @@ -473,6 +473,8 @@ extern int daemonize(void); struct lock_file; extern int read_index(struct index_state *); extern int read_index_preload(struct index_state *, const struct pathspec *pathspec); +extern int do_read_index(struct index_state *istate, const char *path, + int must_exist); /* for testting only! */ extern int read_index_from(struct index_state *, const char *path); extern int is_index_unborn(struct index_state *); extern int read_index_unmerged(struct index_state *); diff --git a/read-cache.c b/read-cache.c index 12335a362b..342fe52fda 100644 --- a/read-cache.c +++ b/read-cache.c @@ -1463,8 +1463,7 @@ static struct cache_entry *create_from_disk(struct ondisk_cache_entry *ondisk, } /* remember to discard_cache() before reading a different cache! */ -static int do_read_index(struct index_state *istate, const char *path, - int must_exist) +int do_read_index(struct index_state *istate, const char *path, int must_exist) { int fd, i; struct stat st; diff --git a/t/t1700-split-index.sh b/t/t1700-split-index.sh new file mode 100755 index 0000000000..94fb473e7c --- /dev/null +++ b/t/t1700-split-index.sh @@ -0,0 +1,194 @@ +#!/bin/sh + +test_description='split index mode tests' + +. ./test-lib.sh + +# We need total control of index splitting here +sane_unset GIT_TEST_SPLIT_INDEX + +test_expect_success 'enable split index' ' + git update-index --split-index && + test-dump-split-index .git/index >actual && + cat >expect <<EOF && +own 8299b0bcd1ac364e5f1d7768efb62fa2da79a339 +base 39d890139ee5356c7ef572216cebcd27aa41f9df +replacements: +deletions: +EOF + test_cmp expect actual +' + +test_expect_success 'add one file' ' + : >one && + git update-index --add one && + git ls-files --stage >ls-files.actual && + cat >ls-files.expect <<EOF && +100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 one +EOF + test_cmp ls-files.expect ls-files.actual && + + test-dump-split-index .git/index | sed "/^own/d" >actual && + cat >expect <<EOF && +base 39d890139ee5356c7ef572216cebcd27aa41f9df +100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 one +replacements: +deletions: +EOF + test_cmp expect actual +' + +test_expect_success 'disable split index' ' + git update-index --no-split-index && + git ls-files --stage >ls-files.actual && + cat >ls-files.expect <<EOF && +100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 one +EOF + test_cmp ls-files.expect ls-files.actual && + + BASE=`test-dump-split-index .git/index | grep "^own" | sed "s/own/base/"` && + test-dump-split-index .git/index | sed "/^own/d" >actual && + cat >expect <<EOF && +not a split index +EOF + test_cmp expect actual +' + +test_expect_success 'enable split index again, "one" now belongs to base index"' ' + git update-index --split-index && + git ls-files --stage >ls-files.actual && + cat >ls-files.expect <<EOF && +100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 one +EOF + test_cmp ls-files.expect ls-files.actual && + + test-dump-split-index .git/index | sed "/^own/d" >actual && + cat >expect <<EOF && +$BASE +replacements: +deletions: +EOF + test_cmp expect actual +' + +test_expect_success 'modify original file, base index untouched' ' + echo modified >one && + git update-index one && + git ls-files --stage >ls-files.actual && + cat >ls-files.expect <<EOF && +100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0 one +EOF + test_cmp ls-files.expect ls-files.actual && + + test-dump-split-index .git/index | sed "/^own/d" >actual && + q_to_tab >expect <<EOF && +$BASE +100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0Q +replacements: 0 +deletions: +EOF + test_cmp expect actual +' + +test_expect_success 'add another file, which stays index' ' + : >two && + git update-index --add two && + git ls-files --stage >ls-files.actual && + cat >ls-files.expect <<EOF && +100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0 one +100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 two +EOF + test_cmp ls-files.expect ls-files.actual && + + test-dump-split-index .git/index | sed "/^own/d" >actual && + q_to_tab >expect <<EOF && +$BASE +100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0Q +100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 two +replacements: 0 +deletions: +EOF + test_cmp expect actual +' + +test_expect_success 'remove file not in base index' ' + git update-index --force-remove two && + git ls-files --stage >ls-files.actual && + cat >ls-files.expect <<EOF && +100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0 one +EOF + test_cmp ls-files.expect ls-files.actual && + + test-dump-split-index .git/index | sed "/^own/d" >actual && + q_to_tab >expect <<EOF && +$BASE +100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0Q +replacements: 0 +deletions: +EOF + test_cmp expect actual +' + +test_expect_success 'remove file in base index' ' + git update-index --force-remove one && + git ls-files --stage >ls-files.actual && + cat >ls-files.expect <<EOF && +EOF + test_cmp ls-files.expect ls-files.actual && + + test-dump-split-index .git/index | sed "/^own/d" >actual && + cat >expect <<EOF && +$BASE +replacements: +deletions: 0 +EOF + test_cmp expect actual +' + +test_expect_success 'add original file back' ' + : >one && + git update-index --add one && + git ls-files --stage >ls-files.actual && + cat >ls-files.expect <<EOF && +100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 one +EOF + test_cmp ls-files.expect ls-files.actual && + + test-dump-split-index .git/index | sed "/^own/d" >actual && + cat >expect <<EOF && +$BASE +100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 one +replacements: +deletions: 0 +EOF + test_cmp expect actual +' + +test_expect_success 'add new file' ' + : >two && + git update-index --add two && + git ls-files --stage >actual && + cat >expect <<EOF && +100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 one +100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 two +EOF + test_cmp expect actual +' + +test_expect_success 'unify index, two files remain' ' + git update-index --no-split-index && + git ls-files --stage >ls-files.actual && + cat >ls-files.expect <<EOF && +100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 one +100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 two +EOF + test_cmp ls-files.expect ls-files.actual + + test-dump-split-index .git/index | sed "/^own/d" >actual && + cat >expect <<EOF && +not a split index +EOF + test_cmp expect actual +' + +test_done diff --git a/test-dump-split-index.c b/test-dump-split-index.c new file mode 100644 index 0000000000..9cf3112c9d --- /dev/null +++ b/test-dump-split-index.c @@ -0,0 +1,34 @@ +#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:"); + ewah_each_bit(si->replace_bitmap, show_bit, NULL); + printf("\ndeletions:"); + ewah_each_bit(si->delete_bitmap, show_bit, NULL); + printf("\n"); + return 0; +} |