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authorJunio C Hamano <gitster@pobox.com>2020-06-25 19:27:45 (GMT)
committerJunio C Hamano <gitster@pobox.com>2020-06-25 19:27:45 (GMT)
commit53674699c0b40c99094858d0c174e8ff0a162a8d (patch)
tree1bd447865fb01f9014bd329832690f27e8673a9d /builtin
parent320421840e1e311bceacc6c98ee86c698578bf9c (diff)
parent7233f17577c63c95da0b4a23eefc26125e4971d1 (diff)
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Merge branch 'en/clean-cleanups'
Code clean-up of "git clean" resulted in a fix of recent performance regression. * en/clean-cleanups: clean: optimize and document cases where we recurse into subdirectories clean: consolidate handling of ignored parameters dir, clean: avoid disallowed behavior dir: fix a few confusing comments
Diffstat (limited to 'builtin')
-rw-r--r--builtin/clean.c49
1 files changed, 38 insertions, 11 deletions
diff --git a/builtin/clean.c b/builtin/clean.c
index 4ca12bc..5a9c29a 100644
--- a/builtin/clean.c
+++ b/builtin/clean.c
@@ -924,12 +924,6 @@ int cmd_clean(int argc, const char **argv, const char *prefix)
0);
memset(&dir, 0, sizeof(dir));
- if (ignored_only)
- dir.flags |= DIR_SHOW_IGNORED;
-
- if (ignored && ignored_only)
- die(_("-x and -X cannot be used together"));
-
if (!interactive && !dry_run && !force) {
if (config_set)
die(_("clean.requireForce set to true and neither -i, -n, nor -f given; "
@@ -946,6 +940,13 @@ int cmd_clean(int argc, const char **argv, const char *prefix)
dir.flags |= DIR_SHOW_OTHER_DIRECTORIES;
+ if (ignored && ignored_only)
+ die(_("-x and -X cannot be used together"));
+ if (!ignored)
+ setup_standard_excludes(&dir);
+ if (ignored_only)
+ dir.flags |= DIR_SHOW_IGNORED;
+
if (argc) {
/*
* Remaining args implies pathspecs specified, and we should
@@ -954,15 +955,41 @@ int cmd_clean(int argc, const char **argv, const char *prefix)
remove_directories = 1;
}
- if (remove_directories)
- dir.flags |= DIR_SHOW_IGNORED_TOO | DIR_KEEP_UNTRACKED_CONTENTS;
+ if (remove_directories && !ignored_only) {
+ /*
+ * We need to know about ignored files too:
+ *
+ * If (ignored), then we will delete ignored files as well.
+ *
+ * If (!ignored), then even though we not are doing
+ * anything with ignored files, we need to know about them
+ * so that we can avoid deleting a directory of untracked
+ * files that also contains an ignored file within it.
+ *
+ * For the (!ignored) case, since we only need to avoid
+ * deleting ignored files, we can set
+ * DIR_SHOW_IGNORED_TOO_MODE_MATCHING in order to avoid
+ * recursing into a directory which is itself ignored.
+ */
+ dir.flags |= DIR_SHOW_IGNORED_TOO;
+ if (!ignored)
+ dir.flags |= DIR_SHOW_IGNORED_TOO_MODE_MATCHING;
+
+ /*
+ * Let the fill_directory() machinery know that we aren't
+ * just recursing to collect the ignored files; we want all
+ * the untracked ones so that we can delete them. (Note:
+ * we could also set DIR_KEEP_UNTRACKED_CONTENTS when
+ * ignored_only is true, since DIR_KEEP_UNTRACKED_CONTENTS
+ * only has effect in combination with DIR_SHOW_IGNORED_TOO. It makes
+ * the code clearer to exclude it, though.
+ */
+ dir.flags |= DIR_KEEP_UNTRACKED_CONTENTS;
+ }
if (read_cache() < 0)
die(_("index file corrupt"));
- if (!ignored)
- setup_standard_excludes(&dir);
-
pl = add_pattern_list(&dir, EXC_CMDL, "--exclude option");
for (i = 0; i < exclude_list.nr; i++)
add_pattern(exclude_list.items[i].string, "", 0, pl, -(i+1));