difftool: address a couple of resource/memory leaks

diff --git a/builtin/ls-files.c b/builtin/ls-files.c
index d449e46db551fcc6284a454e1122bdee6af1954c..a6c70dbe9ec84921108a85485a12111c854833b8 100644 (file)
--- a/builtin/ls-files.c
+++ b/builtin/ls-files.c
@@ -15,6 +15,7 @@
 #include "string-list.h"
 #include "pathspec.h"
 #include "run-command.h"
+#include "submodule.h"
 
 static int abbrev;
 static int show_deleted;
@@ -202,6 +203,10 @@ static void show_gitlink(const struct cache_entry *ce)
 {
        struct child_process cp = CHILD_PROCESS_INIT;
        int status;
+       char *dir;
+
+       prepare_submodule_repo_env(&cp.env_array);
+       argv_array_push(&cp.env_array, GIT_DIR_ENVIRONMENT);
 
        if (prefix_len)
                argv_array_pushf(&cp.env_array, "%s=%s",
@@ -217,8 +222,10 @@ static void show_gitlink(const struct cache_entry *ce)
        argv_array_pushv(&cp.args, submodule_options.argv);
 
        cp.git_cmd = 1;
-       cp.dir = ce->name;
+       dir = mkpathdup("%s/%s", get_git_work_tree(), ce->name);
+       cp.dir = dir;
        status = run_command(&cp);
+       free(dir);
        if (status)
                exit(status);
 }