summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--builtin/read-tree.c2
-rw-r--r--builtin/sparse-checkout.c83
-rwxr-xr-xt/t1091-sparse-checkout-builtin.sh28
-rw-r--r--unpack-trees.c5
-rw-r--r--unpack-trees.h3
5 files changed, 105 insertions, 16 deletions
diff --git a/builtin/read-tree.c b/builtin/read-tree.c
index ca5e655d2f..af7424b94c 100644
--- a/builtin/read-tree.c
+++ b/builtin/read-tree.c
@@ -185,7 +185,7 @@ int cmd_read_tree(int argc, const char **argv, const char *cmd_prefix)
if (opts.reset || opts.merge || opts.prefix) {
if (read_cache_unmerged() && (opts.prefix || opts.merge))
- die("You need to resolve your current index first");
+ die(_("You need to resolve your current index first"));
stage = opts.merge = 1;
}
resolve_undo_clear();
diff --git a/builtin/sparse-checkout.c b/builtin/sparse-checkout.c
index 55b337ad8e..a5d32e4702 100644
--- a/builtin/sparse-checkout.c
+++ b/builtin/sparse-checkout.c
@@ -7,6 +7,11 @@
#include "run-command.h"
#include "strbuf.h"
#include "string-list.h"
+#include "cache.h"
+#include "cache-tree.h"
+#include "lockfile.h"
+#include "resolve-undo.h"
+#include "unpack-trees.h"
static char const * const builtin_sparse_checkout_usage[] = {
N_("git sparse-checkout (init|list|set|disable) <options>"),
@@ -60,18 +65,54 @@ static int sparse_checkout_list(int argc, const char **argv)
return 0;
}
-static int update_working_directory(void)
+static int update_working_directory(struct pattern_list *pl)
{
- struct argv_array argv = ARGV_ARRAY_INIT;
int result = 0;
- argv_array_pushl(&argv, "read-tree", "-m", "-u", "HEAD", NULL);
+ 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 (run_command_v_opt(argv.argv, RUN_GIT_CMD)) {
- error(_("failed to update index with new sparse-checkout patterns"));
- result = 1;
- }
+ 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;
+ o.keep_pattern_list = !!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);
+
+ if (!result) {
+ prime_cache_tree(r, r->index, tree);
+ write_locked_index(r->index, &lock_file, COMMIT_LOCK);
+ } else
+ rollback_lock_file(&lock_file);
- argv_array_clear(&argv);
return result;
}
@@ -129,6 +170,15 @@ static int write_patterns_and_update(struct pattern_list *pl)
{
char *sparse_filename;
FILE *fp;
+ int result;
+
+ result = update_working_directory(pl);
+
+ if (result) {
+ clear_pattern_list(pl);
+ update_working_directory(NULL);
+ return result;
+ }
sparse_filename = get_sparse_checkout_filename();
fp = fopen(sparse_filename, "w");
@@ -139,9 +189,11 @@ static int write_patterns_and_update(struct pattern_list *pl)
write_patterns_to_file(fp, pl);
fclose(fp);
+
free(sparse_filename);
+ clear_pattern_list(pl);
- return update_working_directory();
+ return 0;
}
enum sparse_checkout_mode {
@@ -199,7 +251,11 @@ static int sparse_checkout_init(int argc, const char **argv)
builtin_sparse_checkout_init_options,
builtin_sparse_checkout_init_usage, 0);
- mode = init_opts.cone_mode ? MODE_CONE_PATTERNS : MODE_ALL_PATTERNS;
+ if (init_opts.cone_mode) {
+ mode = MODE_CONE_PATTERNS;
+ core_sparse_checkout_cone = 1;
+ } else
+ mode = MODE_ALL_PATTERNS;
if (set_config(mode))
return 1;
@@ -230,7 +286,8 @@ static int sparse_checkout_init(int argc, const char **argv)
}
reset_dir:
- return update_working_directory();
+ core_apply_sparse_checkout = 1;
+ return update_working_directory(NULL);
}
static void insert_recursive_pattern(struct pattern_list *pl, struct strbuf *path)
@@ -311,6 +368,7 @@ static int sparse_checkout_set(int argc, const char **argv, const char *prefix)
hashmap_init(&pl.recursive_hashmap, pl_hashmap_cmp, NULL, 0);
hashmap_init(&pl.parent_hashmap, pl_hashmap_cmp, NULL, 0);
+ pl.use_cone_patterns = 1;
if (set_opts.use_stdin) {
while (!strbuf_getline(&line, stdin))
@@ -365,7 +423,8 @@ static int sparse_checkout_disable(int argc, const char **argv)
fprintf(fp, "/*\n");
fclose(fp);
- if (update_working_directory())
+ core_apply_sparse_checkout = 1;
+ if (update_working_directory(NULL))
die(_("error while refreshing working directory"));
unlink(sparse_filename);
diff --git a/t/t1091-sparse-checkout-builtin.sh b/t/t1091-sparse-checkout-builtin.sh
index b88d08da98..53aeb5980f 100755
--- a/t/t1091-sparse-checkout-builtin.sh
+++ b/t/t1091-sparse-checkout-builtin.sh
@@ -248,4 +248,32 @@ test_expect_success 'cone mode: set with nested folders' '
test_cmp repo/.git/info/sparse-checkout expect
'
+test_expect_success 'revert to old sparse-checkout on bad update' '
+ echo update >repo/deep/deeper2/a &&
+ cp repo/.git/info/sparse-checkout expect &&
+ test_must_fail git -C repo sparse-checkout set deep/deeper1 2>err &&
+ test_i18ngrep "Cannot update sparse checkout" err &&
+ test_cmp repo/.git/info/sparse-checkout expect &&
+ ls repo/deep >dir &&
+ cat >expect <<-EOF &&
+ a
+ deeper1
+ deeper2
+ EOF
+ test_cmp dir expect
+'
+
+test_expect_success 'revert to old sparse-checkout on empty update' '
+ git init empty-test &&
+ (
+ echo >file &&
+ git add file &&
+ git commit -m "test" &&
+ test_must_fail git sparse-checkout set nothing 2>err &&
+ test_i18ngrep "Sparse checkout leaves no entry on working directory" err &&
+ test_i18ngrep ! ".git/index.lock" err &&
+ git sparse-checkout set file
+ )
+'
+
test_done
diff --git a/unpack-trees.c b/unpack-trees.c
index 8bb684ad62..3789a22cf0 100644
--- a/unpack-trees.c
+++ b/unpack-trees.c
@@ -1511,7 +1511,7 @@ int unpack_trees(unsigned len, struct tree_desc *t, struct unpack_trees_options
memset(&pl, 0, sizeof(pl));
if (!core_apply_sparse_checkout || !o->update)
o->skip_sparse_checkout = 1;
- if (!o->skip_sparse_checkout) {
+ if (!o->skip_sparse_checkout && !o->pl) {
char *sparse = git_pathdup("info/sparse-checkout");
pl.use_cone_patterns = core_sparse_checkout_cone;
if (add_patterns_from_file_to_list(sparse, "", 0, &pl, NULL) < 0)
@@ -1684,7 +1684,8 @@ int unpack_trees(unsigned len, struct tree_desc *t, struct unpack_trees_options
done:
trace_performance_leave("unpack_trees");
- clear_pattern_list(&pl);
+ if (!o->keep_pattern_list)
+ clear_pattern_list(&pl);
return ret;
return_failed:
diff --git a/unpack-trees.h b/unpack-trees.h
index f2eee0c7c5..ca94a421a5 100644
--- a/unpack-trees.h
+++ b/unpack-trees.h
@@ -59,7 +59,8 @@ struct unpack_trees_options {
quiet,
exiting_early,
show_all_errors,
- dry_run;
+ dry_run,
+ keep_pattern_list;
const char *prefix;
int cache_bottom;
struct dir_struct *dir;