Running git-grep with --recurse-submodules results in a cached grep for the submodules even when --cached is not used. This makes all modifications in submodules' tracked files be always ignored when grepping. Solve that making git-grep respect the cached option when invoking grep_cache() inside grep_submodule(). Also, add tests to ensure that the desired behavior is performed.
Reported-by: Daniel Zaoui <jackdani...@eyomi.org> Signed-off-by: Matheus Tavares <matheus.bernard...@usp.br> --- Changes in v2: - repositioned the '/* ignored */' comment to avoid ambiguity - joined `git clean` and `git reset` invokations in a single `git submodule foreach`. travis build: https://travis-ci.org/matheustavares/git/builds/565749070 builtin/grep.c | 10 ++++++---- t/t7814-grep-recurse-submodules.sh | 20 ++++++++++++++++++++ 2 files changed, 26 insertions(+), 4 deletions(-) diff --git a/builtin/grep.c b/builtin/grep.c index 560051784e..d9866dd936 100644 --- a/builtin/grep.c +++ b/builtin/grep.c @@ -403,7 +403,7 @@ static int grep_tree(struct grep_opt *opt, const struct pathspec *pathspec, static int grep_submodule(struct grep_opt *opt, const struct pathspec *pathspec, const struct object_id *oid, - const char *filename, const char *path) + const char *filename, const char *path, int cached) { struct repository subrepo; struct repository *superproject = opt->repo; @@ -475,7 +475,7 @@ static int grep_submodule(struct grep_opt *opt, strbuf_release(&base); free(data); } else { - hit = grep_cache(&subopt, pathspec, 1); + hit = grep_cache(&subopt, pathspec, cached); } repo_clear(&subrepo); @@ -523,7 +523,8 @@ static int grep_cache(struct grep_opt *opt, } } else if (recurse_submodules && S_ISGITLINK(ce->ce_mode) && submodule_path_match(repo->index, pathspec, name.buf, NULL)) { - hit |= grep_submodule(opt, pathspec, NULL, ce->name, ce->name); + hit |= grep_submodule(opt, pathspec, NULL, ce->name, + ce->name, cached); } else { continue; } @@ -598,7 +599,8 @@ static int grep_tree(struct grep_opt *opt, const struct pathspec *pathspec, free(data); } else if (recurse_submodules && S_ISGITLINK(entry.mode)) { hit |= grep_submodule(opt, pathspec, &entry.oid, - base->buf, base->buf + tn_len); + base->buf, base->buf + tn_len, + 1 /* ignored */); } strbuf_setlen(base, old_baselen); diff --git a/t/t7814-grep-recurse-submodules.sh b/t/t7814-grep-recurse-submodules.sh index a11366b4ce..edb64690e6 100755 --- a/t/t7814-grep-recurse-submodules.sh +++ b/t/t7814-grep-recurse-submodules.sh @@ -408,4 +408,24 @@ test_expect_success 'grep --recurse-submodules with submodules without .gitmodul test_cmp expect actual ' +reset_and_clean () { + git reset --hard && + git clean -fd && + git submodule foreach --recursive 'git reset --hard && git clean -fd' +} + +test_expect_success 'grep --recurse-submodules without --cached considers worktree modifications' ' + reset_and_clean && + echo "A modified line in submodule" >>submodule/a && + echo "submodule/a:A modified line in submodule" >expect && + git grep --recurse-submodules "A modified line in submodule" >actual && + test_cmp expect actual +' + +test_expect_success 'grep --recurse-submodules with --cached ignores worktree modifications' ' + reset_and_clean && + echo "A modified line in submodule" >>submodule/a && + test_must_fail git grep --recurse-submodules --cached "A modified line in submodule" >actual 2>&1 && + test_must_be_empty actual +' test_done -- 2.22.0
