builtin/notes: convert to struct object_id
[gitweb.git] / submodule.c
index 7eaa3d384e91b13f8380878aaf82e0c0d2caf4ab..bf5a93d16fb71cdeb87f589732b6f95f4a83fbe0 100644 (file)
@@ -282,6 +282,69 @@ int is_submodule_populated_gently(const char *path, int *return_error_code)
        return ret;
 }
 
+/*
+ * Dies if the provided 'prefix' corresponds to an unpopulated submodule
+ */
+void die_in_unpopulated_submodule(const struct index_state *istate,
+                                 const char *prefix)
+{
+       int i, prefixlen;
+
+       if (!prefix)
+               return;
+
+       prefixlen = strlen(prefix);
+
+       for (i = 0; i < istate->cache_nr; i++) {
+               struct cache_entry *ce = istate->cache[i];
+               int ce_len = ce_namelen(ce);
+
+               if (!S_ISGITLINK(ce->ce_mode))
+                       continue;
+               if (prefixlen <= ce_len)
+                       continue;
+               if (strncmp(ce->name, prefix, ce_len))
+                       continue;
+               if (prefix[ce_len] != '/')
+                       continue;
+
+               die(_("in unpopulated submodule '%s'"), ce->name);
+       }
+}
+
+/*
+ * Dies if any paths in the provided pathspec descends into a submodule
+ */
+void die_path_inside_submodule(const struct index_state *istate,
+                              const struct pathspec *ps)
+{
+       int i, j;
+
+       for (i = 0; i < istate->cache_nr; i++) {
+               struct cache_entry *ce = istate->cache[i];
+               int ce_len = ce_namelen(ce);
+
+               if (!S_ISGITLINK(ce->ce_mode))
+                       continue;
+
+               for (j = 0; j < ps->nr ; j++) {
+                       const struct pathspec_item *item = &ps->items[j];
+
+                       if (item->len <= ce_len)
+                               continue;
+                       if (item->match[ce_len] != '/')
+                               continue;
+                       if (strncmp(ce->name, item->match, ce_len))
+                               continue;
+                       if (item->len == ce_len + 1)
+                               continue;
+
+                       die(_("Pathspec '%s' is in submodule '%.*s'"),
+                           item->original, ce_len, ce->name);
+               }
+       }
+}
+
 int parse_submodule_update_strategy(const char *value,
                struct submodule_update_strategy *dst)
 {
@@ -447,8 +510,8 @@ static void show_submodule_header(FILE *f, const char *path,
         * Attempt to lookup the commit references, and determine if this is
         * a fast forward or fast backwards update.
         */
-       *left = lookup_commit_reference(one->hash);
-       *right = lookup_commit_reference(two->hash);
+       *left = lookup_commit_reference(one);
+       *right = lookup_commit_reference(two);
 
        /*
         * Warn about missing commits in the submodule project, but only if
@@ -554,7 +617,8 @@ void show_submodule_inline_diff(FILE *f, const char *path,
        cp.no_stdin = 1;
 
        /* TODO: other options may need to be passed here. */
-       argv_array_push(&cp.args, "diff");
+       argv_array_pushl(&cp.args, "diff", "--submodule=diff", NULL);
+
        argv_array_pushf(&cp.args, "--line-prefix=%s", line_prefix);
        if (DIFF_OPT_TST(o, REVERSE_DIFF)) {
                argv_array_pushf(&cp.args, "--src-prefix=%s%s/",
@@ -722,7 +786,7 @@ static int check_has_commit(const struct object_id *oid, void *data)
 {
        int *has_commit = data;
 
-       if (!lookup_commit_reference(oid->hash))
+       if (!lookup_commit_reference(oid))
                *has_commit = 0;
 
        return 0;
@@ -1356,7 +1420,7 @@ static int submodule_has_dirty_index(const struct submodule *sub)
 {
        struct child_process cp = CHILD_PROCESS_INIT;
 
-       prepare_submodule_repo_env_no_git_dir(&cp.env_array);
+       prepare_submodule_repo_env(&cp.env_array);
 
        cp.git_cmd = 1;
        argv_array_pushl(&cp.args, "diff-index", "--quiet",
@@ -1373,7 +1437,7 @@ static int submodule_has_dirty_index(const struct submodule *sub)
 static void submodule_reset_index(const char *path)
 {
        struct child_process cp = CHILD_PROCESS_INIT;
-       prepare_submodule_repo_env_no_git_dir(&cp.env_array);
+       prepare_submodule_repo_env(&cp.env_array);
 
        cp.git_cmd = 1;
        cp.no_stdin = 1;
@@ -1402,6 +1466,23 @@ int submodule_move_head(const char *path,
        int ret = 0;
        struct child_process cp = CHILD_PROCESS_INIT;
        const struct submodule *sub;
+       int *error_code_ptr, error_code;
+
+       if (!is_submodule_initialized(path))
+               return 0;
+
+       if (flags & SUBMODULE_MOVE_HEAD_FORCE)
+               /*
+                * Pass non NULL pointer to is_submodule_populated_gently
+                * to prevent die()-ing. We'll use connect_work_tree_and_git_dir
+                * to fixup the submodule in the force case later.
+                */
+               error_code_ptr = &error_code;
+       else
+               error_code_ptr = NULL;
+
+       if (old && !is_submodule_populated_gently(path, error_code_ptr))
+               return 0;
 
        sub = submodule_from_path(null_sha1, path);
 
@@ -1420,18 +1501,24 @@ int submodule_move_head(const char *path,
                                absorb_git_dir_into_superproject("", path,
                                        ABSORB_GITDIR_RECURSE_SUBMODULES);
                } else {
-                       struct strbuf sb = STRBUF_INIT;
-                       strbuf_addf(&sb, "%s/modules/%s",
+                       char *gitdir = xstrfmt("%s/modules/%s",
                                    get_git_common_dir(), sub->name);
-                       connect_work_tree_and_git_dir(path, sb.buf);
-                       strbuf_release(&sb);
+                       connect_work_tree_and_git_dir(path, gitdir);
+                       free(gitdir);
 
                        /* make sure the index is clean as well */
                        submodule_reset_index(path);
                }
+
+               if (old && (flags & SUBMODULE_MOVE_HEAD_FORCE)) {
+                       char *gitdir = xstrfmt("%s/modules/%s",
+                                   get_git_common_dir(), sub->name);
+                       connect_work_tree_and_git_dir(path, gitdir);
+                       free(gitdir);
+               }
        }
 
-       prepare_submodule_repo_env_no_git_dir(&cp.env_array);
+       prepare_submodule_repo_env(&cp.env_array);
 
        cp.git_cmd = 1;
        cp.no_stdin = 1;
@@ -1439,7 +1526,7 @@ int submodule_move_head(const char *path,
 
        argv_array_pushf(&cp.args, "--super-prefix=%s%s/",
                        get_super_prefix_or_empty(), path);
-       argv_array_pushl(&cp.args, "read-tree", NULL);
+       argv_array_pushl(&cp.args, "read-tree", "--recurse-submodules", NULL);
 
        if (flags & SUBMODULE_MOVE_HEAD_DRY_RUN)
                argv_array_push(&cp.args, "-n");
@@ -1461,15 +1548,16 @@ int submodule_move_head(const char *path,
 
        if (!(flags & SUBMODULE_MOVE_HEAD_DRY_RUN)) {
                if (new) {
-                       struct child_process cp1 = CHILD_PROCESS_INIT;
+                       child_process_init(&cp);
                        /* also set the HEAD accordingly */
-                       cp1.git_cmd = 1;
-                       cp1.no_stdin = 1;
-                       cp1.dir = path;
+                       cp.git_cmd = 1;
+                       cp.no_stdin = 1;
+                       cp.dir = path;
 
-                       argv_array_pushl(&cp1.args, "update-ref", "HEAD", new, NULL);
+                       prepare_submodule_repo_env(&cp.env_array);
+                       argv_array_pushl(&cp.args, "update-ref", "HEAD", new, NULL);
 
-                       if (run_command(&cp1)) {
+                       if (run_command(&cp)) {
                                ret = -1;
                                goto out;
                        }
@@ -1559,9 +1647,9 @@ static void print_commit(struct commit *commit)
 #define MERGE_WARNING(path, msg) \
        warning("Failed to merge submodule %s (%s)", path, msg);
 
-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], int search)
+int merge_submodule(struct object_id *result, const char *path,
+                   const struct object_id *base, const struct object_id *a,
+                   const struct object_id *b, int search)
 {
        struct commit *commit_base, *commit_a, *commit_b;
        int parent_count;
@@ -1570,14 +1658,14 @@ int merge_submodule(unsigned char result[20], const char *path,
        int i;
 
        /* store a in result in case we fail */
-       hashcpy(result, a);
+       oidcpy(result, a);
 
        /* we can not handle deletion conflicts */
-       if (is_null_sha1(base))
+       if (is_null_oid(base))
                return 0;
-       if (is_null_sha1(a))
+       if (is_null_oid(a))
                return 0;
-       if (is_null_sha1(b))
+       if (is_null_oid(b))
                return 0;
 
        if (add_submodule_odb(path)) {
@@ -1601,11 +1689,11 @@ int merge_submodule(unsigned char result[20], const char *path,
 
        /* Case #1: a is contained in b or vice versa */
        if (in_merge_bases(commit_a, commit_b)) {
-               hashcpy(result, b);
+               oidcpy(result, b);
                return 1;
        }
        if (in_merge_bases(commit_b, commit_a)) {
-               hashcpy(result, a);
+               oidcpy(result, a);
                return 1;
        }