summaryrefslogtreecommitdiff
path: root/submodule.c
diff options
context:
space:
mode:
Diffstat (limited to 'submodule.c')
-rw-r--r--submodule.c60
1 files changed, 51 insertions, 9 deletions
diff --git a/submodule.c b/submodule.c
index ad86534ba1..68c1ba90b9 100644
--- a/submodule.c
+++ b/submodule.c
@@ -8,12 +8,18 @@
#include "diffcore.h"
#include "refs.h"
#include "string-list.h"
+#include "sha1-array.h"
+#include "argv-array.h"
static struct string_list config_name_for_path;
static struct string_list config_fetch_recurse_submodules_for_name;
static struct string_list config_ignore_for_name;
static int config_fetch_recurse_submodules = RECURSE_SUBMODULES_ON_DEMAND;
static struct string_list changed_submodule_paths;
+static int initialized_fetch_ref_tips;
+static struct sha1_array ref_tips_before_fetch;
+static struct sha1_array ref_tips_after_fetch;
+
/*
* The following flag is set if the .gitmodules file is unmerged. We then
* disable recursion for all submodules where .git/config doesn't have a
@@ -385,7 +391,7 @@ static void commit_need_pushing(struct commit *commit, struct commit_list *paren
rev.diffopt.format_callback_data = needs_pushing;
diff_tree_combined(commit->object.sha1, parents, n, 1, &rev);
- free(parents);
+ free((void *)parents);
}
int check_submodule_needs_pushing(unsigned char new_sha1[20], const char *remotes_name)
@@ -474,20 +480,46 @@ static void submodule_collect_changed_cb(struct diff_queue_struct *q,
}
}
+static int add_sha1_to_array(const char *ref, const unsigned char *sha1,
+ int flags, void *data)
+{
+ sha1_array_append(data, sha1);
+ return 0;
+}
+
void check_for_new_submodule_commits(unsigned char new_sha1[20])
{
+ if (!initialized_fetch_ref_tips) {
+ for_each_ref(add_sha1_to_array, &ref_tips_before_fetch);
+ initialized_fetch_ref_tips = 1;
+ }
+
+ sha1_array_append(&ref_tips_after_fetch, new_sha1);
+}
+
+static void add_sha1_to_argv(const unsigned char sha1[20], void *data)
+{
+ argv_array_push(data, sha1_to_hex(sha1));
+}
+
+static void calculate_changed_submodule_paths(void)
+{
struct rev_info rev;
struct commit *commit;
- const char *argv[] = {NULL, NULL, "--not", "--all", NULL};
- int argc = ARRAY_SIZE(argv) - 1;
+ struct argv_array argv = ARGV_ARRAY_INIT;
/* No need to check if there are no submodules configured */
if (!config_name_for_path.nr)
return;
init_revisions(&rev, NULL);
- argv[1] = xstrdup(sha1_to_hex(new_sha1));
- setup_revisions(argc, argv, &rev, NULL);
+ argv_array_push(&argv, "--"); /* argv[0] program name */
+ sha1_array_for_each_unique(&ref_tips_after_fetch,
+ add_sha1_to_argv, &argv);
+ argv_array_push(&argv, "--not");
+ sha1_array_for_each_unique(&ref_tips_before_fetch,
+ add_sha1_to_argv, &argv);
+ setup_revisions(argv.argc, argv.argv, &rev, NULL);
if (prepare_revision_walk(&rev))
die("revision walk setup failed");
@@ -511,7 +543,11 @@ void check_for_new_submodule_commits(unsigned char new_sha1[20])
parent = parent->next;
}
}
- free((char *)argv[1]);
+
+ argv_array_clear(&argv);
+ sha1_array_clear(&ref_tips_before_fetch);
+ sha1_array_clear(&ref_tips_after_fetch);
+ initialized_fetch_ref_tips = 0;
}
int fetch_populated_submodules(int num_options, const char **options,
@@ -545,6 +581,8 @@ int fetch_populated_submodules(int num_options, const char **options,
cp.git_cmd = 1;
cp.no_stdin = 1;
+ calculate_changed_submodule_paths();
+
for (i = 0; i < active_nr; i++) {
struct strbuf submodule_path = STRBUF_INIT;
struct strbuf submodule_git_dir = STRBUF_INIT;
@@ -651,7 +689,7 @@ unsigned is_submodule_modified(const char *path, int ignore_untracked)
cp.out = -1;
cp.dir = path;
if (start_command(&cp))
- die("Could not run git status --porcelain");
+ die("Could not run 'git status --porcelain' in submodule %s", path);
len = strbuf_read(&buf, cp.out, 1024);
line = buf.buf;
@@ -676,7 +714,7 @@ unsigned is_submodule_modified(const char *path, int ignore_untracked)
close(cp.out);
if (finish_command(&cp))
- die("git status --porcelain failed");
+ die("'git status --porcelain' failed in submodule %s", path);
strbuf_release(&buf);
return dirty_submodule;
@@ -756,7 +794,7 @@ static void print_commit(struct commit *commit)
int merge_submodule(unsigned char result[20], const char *path,
const unsigned char base[20], const unsigned char a[20],
- const unsigned char b[20])
+ const unsigned char b[20], int search)
{
struct commit *commit_base, *commit_a, *commit_b;
int parent_count;
@@ -811,6 +849,10 @@ int merge_submodule(unsigned char result[20], const char *path,
* user needs to confirm the resolution.
*/
+ /* Skip the search if makes no sense to the calling context. */
+ if (!search)
+ return 0;
+
/* find commit which merges them */
parent_count = find_first_merges(&merges, path, commit_a, commit_b);
switch (parent_count) {