Sync with 2.16.6

[thirdparty/git.git] / submodule-config.c

diff --git a/submodule-config.c b/submodule-config.c
index aa026417678ff51117fcd1151aeb16d6719a1bb5..33c1b388e5d79bfec7db6c505444a42a98b7fe6d 100644 (file)
--- a/submodule-config.c
+++ b/submodule-config.c
@@ -9,7 +9,7 @@
 /*
  * submodule cache lookup structure
  * There is one shared set of 'struct submodule' entries which can be
- * looked up by their sha1 blob id of the .gitmodule file and either
+ * looked up by their sha1 blob id of the .gitmodules file and either
  * using path or name as key.
  * for_path stores submodule entries with path as key
  * for_name stores submodule entries with name as key
@@ -91,7 +91,7 @@ static void submodule_cache_clear(struct submodule_cache *cache)
        /*
         * We iterate over the name hash here to be symmetric with the
         * allocation of struct submodule entries. Each is allocated by
-        * their .gitmodule blob sha1 and submodule name.
+        * their .gitmodules blob sha1 and submodule name.
         */
        hashmap_iter_init(&cache->for_name, &iter);
        while ((entry = hashmap_iter_next(&iter)))
@@ -383,6 +383,12 @@ static void warn_multiple_config(const unsigned char *treeish_name,
                        commit_string, name, option);
 }
 
+static void warn_command_line_option(const char *var, const char *value)
+{
+       warning(_("ignoring '%s' which may be interpreted as"
+                 " a command-line option: %s"), var, value);
+}
+
 struct parse_config_parameter {
        struct submodule_cache *cache;
        const unsigned char *treeish_name;
@@ -390,6 +396,13 @@ struct parse_config_parameter {
        int overwrite;
 };
 
+/*
+ * Parse a config item from .gitmodules.
+ *
+ * This does not handle submodule-related configuration from the main
+ * config store (.git/config, etc).  Callers are responsible for
+ * checking for overrides in the main config store when appropriate.
+ */
 static int parse_config(const char *var, const char *value, void *data)
 {
        struct parse_config_parameter *me = data;
@@ -408,6 +421,8 @@ static int parse_config(const char *var, const char *value, void *data)
        if (!strcmp(item.buf, "path")) {
                if (!value)
                        ret = config_error_nonbool(var);
+               else if (looks_like_command_line_option(value))
+                       warn_command_line_option(var, value);
                else if (!me->overwrite && submodule->path)
                        warn_multiple_config(me->treeish_name, submodule->name,
                                        "path");
@@ -448,6 +463,8 @@ static int parse_config(const char *var, const char *value, void *data)
        } else if (!strcmp(item.buf, "url")) {
                if (!value) {
                        ret = config_error_nonbool(var);
+               } else if (looks_like_command_line_option(value)) {
+                       warn_command_line_option(var, value);
                } else if (!me->overwrite && submodule->url) {
                        warn_multiple_config(me->treeish_name, submodule->name,
                                        "url");
@@ -463,8 +480,9 @@ static int parse_config(const char *var, const char *value, void *data)
                        warn_multiple_config(me->treeish_name, submodule->name,
                                             "update");
                else if (parse_submodule_update_strategy(value,
-                        &submodule->update_strategy) < 0)
-                               die(_("invalid value for %s"), var);
+                        &submodule->update_strategy) < 0 ||
+                        submodule->update_strategy.type == SM_UPDATE_COMMAND)
+                       die(_("invalid value for %s"), var);
        } else if (!strcmp(item.buf, "shallow")) {
                if (!me->overwrite && submodule->recommend_shallow != -1)
                        warn_multiple_config(me->treeish_name, submodule->name,