Hi,
Jean-Philippe GariÃpy wrote:
> When using sub-directory entries in .gitignore, while the entry is
> ignored as expected, "git clean -X" doesn't clean the ignored
> sub-directory.
Thanks for reporting.
$ cat test.sh
rm -fr test &&
git init test &&
(
cd test &&
mkdir -p a/b/c &&
>a/b/c/f &&
echo '/a/b/' >.gitignore &&
git status -s &&
git clean -X -d -n &&
git ls-files -o -i --exclude-standard &&
git ls-files -o --directory -i --exclude-standard &&
git clean -X -d -f &&
echo ... drumroll ... &&
! test -e a/b/c/f
)
$ sh test.sh || echo fail
Initialized empty Git repository in /tmp/test/.git/
?? .gitignore
... drumroll ...
fail
Variations:
1) echo '/a/' >.gitignore
2) echo '/a/b/c/f' >.gitignore
3) >a/b/f
(1) does not fail; (2) and (3) still do.
Okay, so why does this happen? Tracing:
-- 8< --
diff --git a/dir.c b/dir.c
index 133f472..5707ad0 100644
--- a/dir.c
+++ b/dir.c
@@ -693,6 +693,9 @@ static enum path_treatment treat_one_path(struct dir_struct *dir,
int dtype, struct dirent *de)
{
int exclude = excluded(dir, path, &dtype);
+
+ trace_printf("treat_one_path: path=%s exclude=%d\n", path, exclude);
+
if (exclude && (dir->flags & DIR_COLLECT_IGNORED)
&& exclude_matches_pathspec(path, *len, simplify))
dir_add_ignored(dir, path, *len);
-- >8 --
$ GIT_TRACE=true PATH=/home/jrn/src/git/bin-wrappers:$PATH sh test.sh
trace: built-in: git 'init' 'test'
Initialized empty Git repository in /tmp/test/.git/
trace: built-in: git 'status' '-s'
treat_one_path: path=.gitignore exclude=0
treat_one_path: path=a exclude=0
treat_one_path: path=a/b exclude=1
?? .gitignore
trace: built-in: git 'clean' '-X' '-d' '-n'
treat_one_path: path=.gitignore exclude=0
treat_one_path: path=a exclude=0
trace: built-in: git 'ls-files' '-o' '-i' '--exclude-standard'
treat_one_path: path=.gitignore exclude=0
treat_one_path: path=a exclude=0
treat_one_path: path=a/b exclude=1
treat_one_path: path=a/b/c exclude=0
treat_one_path: path=a/b/c/f exclude=0
trace: built-in: git 'ls-files' '-o' '--directory' '-i' '--exclude-standard'
treat_one_path: path=.gitignore exclude=0
treat_one_path: path=a exclude=0
trace: built-in: git 'clean' '-X' '-d' '-f'
treat_one_path: path=.gitignore exclude=0
treat_one_path: path=a exclude=0
... drumroll ...
$
1) a/b/f is not actually considered excluded; only its containing
directory is.
2) git clean does not even examine a/b to consider whether to remove
it: since a/ does not contain any tracked files, it stopped there.
The following would cause "git clean -ndx" to print more than it
should, but hopefully it illustrates the idea.
diff --git a/builtin/clean.c b/builtin/clean.c
index b508d2c..91624c2 100644
--- a/builtin/clean.c
+++ b/builtin/clean.c
@@ -84,8 +84,6 @@ int cmd_clean(int argc, const char **argv, const char *prefix)
if (force > 1)
rm_flags = 0;
- dir.flags |= DIR_SHOW_OTHER_DIRECTORIES;
-
if (read_cache() < 0)
die("index file corrupt");
--
--
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