diff options
| -rw-r--r-- | diff-lib.c | 8 | ||||
| -rw-r--r-- | submodule.c | 49 | ||||
| -rw-r--r-- | submodule.h | 1 | ||||
| -rwxr-xr-x | t/t7506-status-submodule.sh | 83 |
4 files changed, 124 insertions, 17 deletions
diff --git a/diff-lib.c b/diff-lib.c index 1c7e652a80..9cdf6daa90 100644 --- a/diff-lib.c +++ b/diff-lib.c @@ -10,6 +10,7 @@ #include "cache-tree.h" #include "unpack-trees.h" #include "refs.h" +#include "submodule.h" /* * diff-files @@ -159,7 +160,7 @@ int run_diff_files(struct rev_info *revs, unsigned int option) continue; } - if (ce_uptodate(ce) || ce_skip_worktree(ce)) + if ((ce_uptodate(ce) && !S_ISGITLINK(ce->ce_mode)) || ce_skip_worktree(ce)) continue; /* If CE_VALID is set, don't look at workdir for file removal */ @@ -176,6 +177,8 @@ int run_diff_files(struct rev_info *revs, unsigned int option) continue; } changed = ce_match_stat(ce, &st, ce_option); + if (S_ISGITLINK(ce->ce_mode) && !changed) + changed = is_submodule_modified(ce->name); if (!changed) { ce_mark_uptodate(ce); if (!DIFF_OPT_TST(&revs->diffopt, FIND_COPIES_HARDER)) @@ -230,7 +233,8 @@ static int get_stat_data(struct cache_entry *ce, return -1; } changed = ce_match_stat(ce, &st, 0); - if (changed) { + if (changed + || (S_ISGITLINK(ce->ce_mode) && is_submodule_modified(ce->name))) { mode = ce_mode_from_stat(ce, st.st_mode); sha1 = null_sha1; } diff --git a/submodule.c b/submodule.c index 86aad653b7..3f851deb6a 100644 --- a/submodule.c +++ b/submodule.c @@ -4,6 +4,7 @@ #include "diff.h" #include "commit.h" #include "revision.h" +#include "run-command.h" int add_submodule_odb(const char *path) { @@ -112,3 +113,51 @@ void show_submodule_summary(FILE *f, const char *path, } strbuf_release(&sb); } + +int is_submodule_modified(const char *path) +{ + int len; + struct child_process cp; + const char *argv[] = { + "status", + "--porcelain", + NULL, + }; + char *env[3]; + struct strbuf buf = STRBUF_INIT; + + strbuf_addf(&buf, "%s/.git/", path); + if (!is_directory(buf.buf)) { + strbuf_release(&buf); + /* The submodule is not checked out, so it is not modified */ + return 0; + + } + strbuf_reset(&buf); + + strbuf_addf(&buf, "GIT_WORK_TREE=%s", path); + env[0] = strbuf_detach(&buf, NULL); + strbuf_addf(&buf, "GIT_DIR=%s/.git", path); + env[1] = strbuf_detach(&buf, NULL); + env[2] = NULL; + + memset(&cp, 0, sizeof(cp)); + cp.argv = argv; + cp.env = (const char *const *)env; + cp.git_cmd = 1; + cp.no_stdin = 1; + cp.out = -1; + if (start_command(&cp)) + die("Could not run git status --porcelain"); + + len = strbuf_read(&buf, cp.out, 1024); + close(cp.out); + + if (finish_command(&cp)) + die("git status --porcelain failed"); + + free(env[0]); + free(env[1]); + strbuf_release(&buf); + return len != 0; +} diff --git a/submodule.h b/submodule.h index 4c0269d679..0773121eb5 100644 --- a/submodule.h +++ b/submodule.h @@ -4,5 +4,6 @@ void show_submodule_summary(FILE *f, const char *path, unsigned char one[20], unsigned char two[20], const char *del, const char *add, const char *reset); +int is_submodule_modified(const char *path); #endif diff --git a/t/t7506-status-submodule.sh b/t/t7506-status-submodule.sh index 3ca17abad1..253c334319 100755 --- a/t/t7506-status-submodule.sh +++ b/t/t7506-status-submodule.sh @@ -5,34 +5,87 @@ test_description='git status for submodule' . ./test-lib.sh test_expect_success 'setup' ' - test_create_repo sub - cd sub && - : >bar && - git add bar && - git commit -m " Add bar" && - cd .. && - git add sub && + test_create_repo sub && + ( + cd sub && + : >bar && + git add bar && + git commit -m " Add bar" && + : >foo && + git add foo && + git commit -m " Add foo" + ) && + echo output > .gitignore && + git add sub .gitignore && git commit -m "Add submodule sub" ' test_expect_success 'status clean' ' - git status | - grep "nothing to commit" + git status >output && + grep "nothing to commit" output ' + test_expect_success 'commit --dry-run -a clean' ' - git commit --dry-run -a | - grep "nothing to commit" + test_must_fail git commit --dry-run -a >output && + grep "nothing to commit" output +' + +test_expect_success 'status with modified file in submodule' ' + (cd sub && git reset --hard) && + echo "changed" >sub/foo && + git status >output && + grep "modified: sub" output +' + +test_expect_success 'status with modified file in submodule (porcelain)' ' + (cd sub && git reset --hard) && + echo "changed" >sub/foo && + git status --porcelain >output && + diff output - <<-\EOF + M sub + EOF +' + +test_expect_success 'status with added file in submodule' ' + (cd sub && git reset --hard && echo >foo && git add foo) && + git status >output && + grep "modified: sub" output +' + +test_expect_success 'status with added file in submodule (porcelain)' ' + (cd sub && git reset --hard && echo >foo && git add foo) && + git status --porcelain >output && + diff output - <<-\EOF + M sub + EOF +' + +test_expect_success 'status with untracked file in submodule' ' + (cd sub && git reset --hard) && + echo "content" >sub/new-file && + git status >output && + grep "modified: sub" output +' + +test_expect_success 'status with untracked file in submodule (porcelain)' ' + git status --porcelain >output && + diff output - <<-\EOF + M sub + EOF ' + test_expect_success 'rm submodule contents' ' rm -rf sub/* sub/.git ' + test_expect_success 'status clean (empty submodule dir)' ' - git status | - grep "nothing to commit" + git status >output && + grep "nothing to commit" output ' + test_expect_success 'status -a clean (empty submodule dir)' ' - git commit --dry-run -a | - grep "nothing to commit" + test_must_fail git commit --dry-run -a >output && + grep "nothing to commit" output ' test_done |