Merge branch 'mh/ref-api'

diff --git a/submodule.c b/submodule.c
index 0b709bc2914335853e7525076f5e1d026d5dd779..68c1ba90b9e746b869830ec66a6f23437a4d7d08 100644 (file)
--- a/submodule.c
+++ b/submodule.c
@@ -391,7 +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)
@@ -689,7 +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;
@@ -714,7 +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;
@@ -794,7 +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;
@@ -849,6 +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) {