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sparse-checkout: use new update_sparsity() function

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Remove the equivalent of 'git read-tree -mu HEAD' in the sparse-checkout
codepaths for setting the SKIP_WORKTREE bits and instead use the new
update_sparsity() function.

Note that when an issue is hit, the error message splits 'error' and
'Cannot update sparse checkout' on separate lines.  For now, we use two
greps to find both pieces of the error message but subsequent commits
will clean up the messages reported to the user.

Reviewed-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Elijah Newren
2020-03-27 00:48:53 +00:00
committed by Junio C Hamano
parent 7af7a25853
commit f56f31af03
2 changed files with 39 additions and 40 deletions
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40
builtin/sparse-checkout.c
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@ -94,49 +94,35 @@ static int sparse_checkout_list(int argc, const char **argv)
static int update_working_directory(struct pattern_list *pl)
{
int result = 0;
enum update_sparsity_result result;
struct unpack_trees_options o;
struct lock_file lock_file = LOCK_INIT;
struct object_id oid;
struct tree *tree;
struct tree_desc t;
struct repository *r = the_repository;
if (repo_read_index_unmerged(r))
die(_("you need to resolve your current index first"));
if (get_oid("HEAD", &oid))
return 0;
tree = parse_tree_indirect(&oid);
parse_tree(tree);
init_tree_desc(&t, tree->buffer, tree->size);
memset(&o, 0, sizeof(o));
o.verbose_update = isatty(2);
o.merge = 1;
o.update = 1;
o.fn = oneway_merge;
o.head_idx = -1;
o.src_index = r->index;
o.dst_index = r->index;
o.skip_sparse_checkout = 0;
o.pl = pl;
resolve_undo_clear_index(r->index);
setup_work_tree();
cache_tree_free(&r->index->cache_tree);
repo_hold_locked_index(r, &lock_file, LOCK_DIE_ON_ERROR);
core_apply_sparse_checkout = 1;
result = unpack_trees(1, &t, &o);
result = update_sparsity(&o);
if (!result) {
prime_cache_tree(r, r->index, tree);
if (result == UPDATE_SPARSITY_WARNINGS)
/*
* We don't do any special handling of warnings from untracked
* files in the way or dirty entries that can't be removed.
*/
result = UPDATE_SPARSITY_SUCCESS;
if (result == UPDATE_SPARSITY_SUCCESS)
write_locked_index(r->index, &lock_file, COMMIT_LOCK);
} else
else
rollback_lock_file(&lock_file);
return result;
@ -303,8 +289,6 @@ static int sparse_checkout_init(int argc, const char **argv)
};
repo_read_index(the_repository);
require_clean_work_tree(the_repository,
N_("initialize sparse-checkout"), NULL, 1, 0);
argc = parse_options(argc, argv, NULL,
builtin_sparse_checkout_init_options,
@ -559,8 +543,6 @@ static int sparse_checkout_set(int argc, const char **argv, const char *prefix,
};
repo_read_index(the_repository);
require_clean_work_tree(the_repository,
N_("set sparse-checkout patterns"), NULL, 1, 0);
argc = parse_options(argc, argv, prefix,
builtin_sparse_checkout_set_options,
@ -576,8 +558,6 @@ static int sparse_checkout_disable(int argc, const char **argv)
struct strbuf match_all = STRBUF_INIT;
repo_read_index(the_repository);
require_clean_work_tree(the_repository,
N_("disable sparse-checkout"), NULL, 1, 0);
memset(&pl, 0, sizeof(pl));
hashmap_init(&pl.recursive_hashmap, pl_hashmap_cmp, NULL, 0);