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Merge branch 'ds/sparse-allow-empty-working-tree'

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The sparse-checkout patterns have been forbidden from excluding all
paths, leaving an empty working tree, for a long time.  This
limitation has been lifted.

* ds/sparse-allow-empty-working-tree:
  sparse-checkout: stop blocking empty workdirs
This commit is contained in:
Junio C Hamano
2020-05-08 14:25:06 -07:00
parent 95875e0356 ace224ac5f
commit e9acbd6836
3 changed files with 13 additions and 41 deletions
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34
unpack-trees.c
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@ -1677,8 +1677,6 @@ int unpack_trees(unsigned len, struct tree_desc *t, struct unpack_trees_options
}
if (!o->skip_sparse_checkout) {
int empty_worktree = 1;
/*
* Sparse checkout loop #2: set NEW_SKIP_WORKTREE on entries not in loop #1
* If they will have NEW_SKIP_WORKTREE, also set CE_SKIP_WORKTREE
@ -1706,19 +1704,6 @@ int unpack_trees(unsigned len, struct tree_desc *t, struct unpack_trees_options
if (apply_sparse_checkout(&o->result, ce, o))
ret = 1;
if (!ce_skip_worktree(ce))
empty_worktree = 0;
}
/*
* Sparse checkout is meant to narrow down checkout area
* but it does not make sense to narrow down to empty working
* tree. This is usually a mistake in sparse checkout rules.
* Do not allow users to do that.
*/
if (o->result.cache_nr && empty_worktree) {
ret = unpack_failed(o, "Sparse checkout leaves no entry on working directory");
goto done;
}
if (ret == 1) {
/*
@ -1779,7 +1764,7 @@ enum update_sparsity_result update_sparsity(struct unpack_trees_options *o)
{
enum update_sparsity_result ret = UPDATE_SPARSITY_SUCCESS;
struct pattern_list pl;
int i, empty_worktree;
int i;
unsigned old_show_all_errors;
int free_pattern_list = 0;
@ -1810,7 +1795,6 @@ enum update_sparsity_result update_sparsity(struct unpack_trees_options *o)
/* Then loop over entries and update/remove as needed */
ret = UPDATE_SPARSITY_SUCCESS;
empty_worktree = 1;
for (i = 0; i < o->src_index->cache_nr; i++) {
struct cache_entry *ce = o->src_index->cache[i];
@ -1824,28 +1808,12 @@ enum update_sparsity_result update_sparsity(struct unpack_trees_options *o)
if (apply_sparse_checkout(o->src_index, ce, o))
ret = UPDATE_SPARSITY_WARNINGS;
if (!ce_skip_worktree(ce))
empty_worktree = 0;
}
/*
* Sparse checkout is meant to narrow down checkout area
* but it does not make sense to narrow down to empty working
* tree. This is usually a mistake in sparse checkout rules.
* Do not allow users to do that.
*/
if (o->src_index->cache_nr && empty_worktree) {
unpack_failed(o, "Sparse checkout leaves no entry on working directory");
ret = UPDATE_SPARSITY_INDEX_UPDATE_FAILURES;
goto done;
}
skip_sparse_checkout:
if (check_updates(o, o->src_index))
ret = UPDATE_SPARSITY_WORKTREE_UPDATE_FAILURES;
done:
display_warning_msgs(o);
o->show_all_errors = old_show_all_errors;
if (free_pattern_list)