aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--builtin/stash.c33
-rw-r--r--read-cache.c18
-rw-r--r--sparse-index.c2
-rw-r--r--sparse-index.h1
-rwxr-xr-xt/perf/p2000-sparse-operations.sh2
-rwxr-xr-xt/t1092-sparse-checkout-compatibility.sh78
-rw-r--r--unpack-trees.c6
7 files changed, 131 insertions, 9 deletions
diff --git a/builtin/stash.c b/builtin/stash.c
index 0c7b6a9588..3fe549f7d3 100644
--- a/builtin/stash.c
+++ b/builtin/stash.c
@@ -7,6 +7,7 @@
#include "cache-tree.h"
#include "unpack-trees.h"
#include "merge-recursive.h"
+#include "merge-ort-wrappers.h"
#include "strvec.h"
#include "run-command.h"
#include "dir.h"
@@ -492,13 +493,13 @@ static void unstage_changes_unless_new(struct object_id *orig_tree)
static int do_apply_stash(const char *prefix, struct stash_info *info,
int index, int quiet)
{
- int ret;
+ int clean, ret;
int has_index = index;
struct merge_options o;
struct object_id c_tree;
struct object_id index_tree;
- struct commit *result;
- const struct object_id *bases[1];
+ struct tree *head, *merge, *merge_base;
+ struct lock_file lock = LOCK_INIT;
read_cache_preload(NULL);
if (refresh_and_write_cache(REFRESH_QUIET, 0, 0))
@@ -541,6 +542,7 @@ static int do_apply_stash(const char *prefix, struct stash_info *info,
o.branch1 = "Updated upstream";
o.branch2 = "Stashed changes";
+ o.ancestor = "Stash base";
if (oideq(&info->b_tree, &c_tree))
o.branch1 = "Version stash was based on";
@@ -551,10 +553,26 @@ static int do_apply_stash(const char *prefix, struct stash_info *info,
if (o.verbosity >= 3)
printf_ln(_("Merging %s with %s"), o.branch1, o.branch2);
- bases[0] = &info->b_tree;
+ head = lookup_tree(o.repo, &c_tree);
+ merge = lookup_tree(o.repo, &info->w_tree);
+ merge_base = lookup_tree(o.repo, &info->b_tree);
+
+ repo_hold_locked_index(o.repo, &lock, LOCK_DIE_ON_ERROR);
+ clean = merge_ort_nonrecursive(&o, head, merge, merge_base);
+
+ /*
+ * If 'clean' >= 0, reverse the value for 'ret' so 'ret' is 0 when the
+ * merge was clean, and nonzero if the merge was unclean or encountered
+ * an error.
+ */
+ ret = clean >= 0 ? !clean : clean;
+
+ if (ret < 0)
+ rollback_lock_file(&lock);
+ else if (write_locked_index(o.repo->index, &lock,
+ COMMIT_LOCK | SKIP_IF_UNCHANGED))
+ ret = error(_("could not write index"));
- ret = merge_recursive_generic(&o, &c_tree, &info->w_tree, 1, bases,
- &result);
if (ret) {
rerere(0);
@@ -1770,6 +1788,9 @@ int cmd_stash(int argc, const char **argv, const char *prefix)
argc = parse_options(argc, argv, prefix, options, git_stash_usage,
PARSE_OPT_KEEP_UNKNOWN | PARSE_OPT_KEEP_DASHDASH);
+ prepare_repo_settings(the_repository);
+ the_repository->settings.command_requires_full_index = 0;
+
index_file = get_index_file();
strbuf_addf(&stash_index_path, "%s.stash.%" PRIuMAX, index_file,
(uintmax_t)pid);
diff --git a/read-cache.c b/read-cache.c
index 4df97e185e..60355f5ad6 100644
--- a/read-cache.c
+++ b/read-cache.c
@@ -2260,6 +2260,20 @@ static unsigned long load_cache_entries_threaded(struct index_state *istate, con
return consumed;
}
+static void set_new_index_sparsity(struct index_state *istate)
+{
+ /*
+ * If the index's repo exists, mark it sparse according to
+ * repo settings.
+ */
+ if (istate->repo) {
+ prepare_repo_settings(istate->repo);
+ if (!istate->repo->settings.command_requires_full_index &&
+ is_sparse_index_allowed(istate, 0))
+ istate->sparse_index = 1;
+ }
+}
+
/* remember to discard_cache() before reading a different cache! */
int do_read_index(struct index_state *istate, const char *path, int must_exist)
{
@@ -2281,8 +2295,10 @@ int do_read_index(struct index_state *istate, const char *path, int must_exist)
istate->timestamp.nsec = 0;
fd = open(path, O_RDONLY);
if (fd < 0) {
- if (!must_exist && errno == ENOENT)
+ if (!must_exist && errno == ENOENT) {
+ set_new_index_sparsity(istate);
return 0;
+ }
die_errno(_("%s: index file open failed"), path);
}
diff --git a/sparse-index.c b/sparse-index.c
index 8636af72de..ffbab7d35f 100644
--- a/sparse-index.c
+++ b/sparse-index.c
@@ -118,7 +118,7 @@ static int index_has_unmerged_entries(struct index_state *istate)
return 0;
}
-static int is_sparse_index_allowed(struct index_state *istate, int flags)
+int is_sparse_index_allowed(struct index_state *istate, int flags)
{
if (!core_apply_sparse_checkout || !core_sparse_checkout_cone)
return 0;
diff --git a/sparse-index.h b/sparse-index.h
index 633d4fb7e3..f57c65d972 100644
--- a/sparse-index.h
+++ b/sparse-index.h
@@ -3,6 +3,7 @@
struct index_state;
#define SPARSE_INDEX_MEMORY_ONLY (1 << 0)
+int is_sparse_index_allowed(struct index_state *istate, int flags);
int convert_to_sparse(struct index_state *istate, int flags);
void ensure_correct_sparsity(struct index_state *istate);
void clear_skip_worktree_from_present_files(struct index_state *istate);
diff --git a/t/perf/p2000-sparse-operations.sh b/t/perf/p2000-sparse-operations.sh
index 382716cfca..76710cbef3 100755
--- a/t/perf/p2000-sparse-operations.sh
+++ b/t/perf/p2000-sparse-operations.sh
@@ -106,6 +106,8 @@ test_perf_on_all () {
}
test_perf_on_all git status
+test_perf_on_all 'git stash && git stash pop'
+test_perf_on_all 'echo >>new && git stash -u && git stash pop'
test_perf_on_all git add -A
test_perf_on_all git add .
test_perf_on_all git commit -a -m A
diff --git a/t/t1092-sparse-checkout-compatibility.sh b/t/t1092-sparse-checkout-compatibility.sh
index 236ab53028..19221c1422 100755
--- a/t/t1092-sparse-checkout-compatibility.sh
+++ b/t/t1092-sparse-checkout-compatibility.sh
@@ -1034,6 +1034,55 @@ test_expect_success 'cherry-pick with conflicts' '
test_all_match test_must_fail git cherry-pick to-cherry-pick
'
+test_expect_success 'stash' '
+ init_repos &&
+
+ write_script edit-contents <<-\EOF &&
+ echo text >>$1
+ EOF
+
+ # Stash a sparse directory (folder1)
+ test_all_match git checkout -b test-branch rename-base &&
+ test_all_match git reset --soft rename-out-to-out &&
+ test_all_match git stash &&
+ test_all_match git status --porcelain=v2 &&
+
+ # Apply the sparse directory stash without reinstating the index
+ test_all_match git stash apply -q &&
+ test_all_match git status --porcelain=v2 &&
+
+ # Reset to state where stash can be applied
+ test_sparse_match git sparse-checkout reapply &&
+ test_all_match git reset --hard rename-out-to-out &&
+
+ # Apply the sparse directory stash *with* reinstating the index
+ test_all_match git stash apply --index -q &&
+ test_all_match git status --porcelain=v2 &&
+
+ # Reset to state where we will get a conflict applying the stash
+ test_sparse_match git sparse-checkout reapply &&
+ test_all_match git reset --hard update-folder1 &&
+
+ # Apply the sparse directory stash with conflicts
+ test_all_match test_must_fail git stash apply --index -q &&
+ test_all_match test_must_fail git stash apply -q &&
+ test_all_match git status --porcelain=v2 &&
+
+ # Reset to base branch
+ test_sparse_match git sparse-checkout reapply &&
+ test_all_match git reset --hard base &&
+
+ # Stash & unstash an untracked file outside of the sparse checkout
+ # definition.
+ run_on_sparse mkdir -p folder1 &&
+ run_on_all ../edit-contents folder1/new &&
+ test_all_match git stash -u &&
+ test_all_match git status --porcelain=v2 &&
+
+ test_all_match git stash pop -q &&
+ test_all_match git status --porcelain=v2
+'
+
test_expect_success 'checkout-index inside sparse definition' '
init_repos &&
@@ -1222,7 +1271,10 @@ test_expect_success 'index.sparse disabled inline uses full index' '
ensure_not_expanded () {
rm -f trace2.txt &&
- echo >>sparse-index/untracked.txt &&
+ if test -z "$WITHOUT_UNTRACKED_TXT"
+ then
+ echo >>sparse-index/untracked.txt
+ fi &&
if test "$1" = "!"
then
@@ -1326,6 +1378,30 @@ test_expect_success 'sparse-index is not expanded: merge conflict in cone' '
)
'
+test_expect_success 'sparse-index is not expanded: stash' '
+ init_repos &&
+
+ echo >>sparse-index/a &&
+ ensure_not_expanded stash &&
+ ensure_not_expanded stash list &&
+ ensure_not_expanded stash show stash@{0} &&
+ ensure_not_expanded stash apply stash@{0} &&
+ ensure_not_expanded stash drop stash@{0} &&
+
+ echo >>sparse-index/deep/new &&
+ ensure_not_expanded stash -u &&
+ (
+ WITHOUT_UNTRACKED_TXT=1 &&
+ ensure_not_expanded stash pop
+ ) &&
+
+ ensure_not_expanded stash create &&
+ oid=$(git -C sparse-index stash create) &&
+ ensure_not_expanded stash store -m "test" $oid &&
+ ensure_not_expanded reset --hard &&
+ ensure_not_expanded stash pop
+'
+
test_expect_success 'sparse index is not expanded: diff' '
init_repos &&
diff --git a/unpack-trees.c b/unpack-trees.c
index 7f528d35cc..a1d0ff3a4d 100644
--- a/unpack-trees.c
+++ b/unpack-trees.c
@@ -11,6 +11,7 @@
#include "refs.h"
#include "attr.h"
#include "split-index.h"
+#include "sparse-index.h"
#include "submodule.h"
#include "submodule-config.h"
#include "fsmonitor.h"
@@ -1839,6 +1840,11 @@ int unpack_trees(unsigned len, struct tree_desc *t, struct unpack_trees_options
o->result.fsmonitor_last_update =
xstrdup_or_null(o->src_index->fsmonitor_last_update);
+ if (!o->src_index->initialized &&
+ !repo->settings.command_requires_full_index &&
+ is_sparse_index_allowed(&o->result, 0))
+ o->result.sparse_index = 1;
+
/*
* Sparse checkout loop #1: set NEW_SKIP_WORKTREE on existing entries
*/