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Remove empty directories when checking out a commit with fewer submodules

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Change the unlink_entry function to use rmdir to remove submodule
directories.  Currently we try to use unlink, which will never succeed.

Of course rmdir will only succeed for empty (i.e. not checked out)
submodule directories.  Behaviour if a submodule is checked out stays
essentially the same: print a warning message and keep the submodule
directory.

Signed-off-by: Peter Collingbourne <peter@pcc.me.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Peter Collingbourne 2010-01-11 02:59:54 +00:00 committed by Junio C Hamano
parent 902f235378
commit c5e558a80a
2 changed files with 19 additions and 2 deletions
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9
t/t7400-submodule-basic.sh
View File

@ -299,6 +299,15 @@ test_expect_success 'ls-files gracefully handles trailing slash' '
'
test_expect_success 'moving to a commit without submodule does not leave empty dir' '
rm -rf init &&
mkdir init &&
git reset --hard &&
git checkout initial &&
test ! -d init &&
git checkout second
'
test_expect_success 'submodule <invalid-path> warns' '
git submodule no-such-submodule 2> output.err &&

12
unpack-trees.c
View File

@ -61,8 +61,16 @@ static void unlink_entry(struct cache_entry *ce)
{
if (has_symlink_or_noent_leading_path(ce->name, ce_namelen(ce)))
return;
if (unlink_or_warn(ce->name))
return;
if (S_ISGITLINK(ce->ce_mode)) {
if (rmdir(ce->name)) {
warning("unable to rmdir %s: %s",
ce->name, strerror(errno));
return;
}
}
else
if (unlink_or_warn(ce->name))
return;
schedule_dir_for_removal(ce->name, ce_namelen(ce));
}