builtin-commit.c: export GIT_INDEX_FILE for launch_editor as well.

diff --git a/builtin-commit.c b/builtin-commit.c
index 4de316a366d1ee7201d89b776a4a9a4b499d32b8..f60bd7f4dce5848ae4993753e01f88de98b391da 100644 (file)
--- a/builtin-commit.c
+++ b/builtin-commit.c
@@ -748,9 +748,12 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
 
        /* Get the commit message and validate it */
        header_len = sb.len;
-       if (!no_edit)
-               launch_editor(git_path(commit_editmsg), &sb);
-       else if (strbuf_read_file(&sb, git_path(commit_editmsg), 0) < 0) {
+       if (!no_edit) {
+               char index[PATH_MAX];
+               const char *env[2] = { index, NULL };
+               snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", index_file);
+               launch_editor(git_path(commit_editmsg), &sb, env);
+       } else if (strbuf_read_file(&sb, git_path(commit_editmsg), 0) < 0) {
                rollback_index_files();
                die("could not read commit message\n");
        }