fix: memory leak

XD.1

@@ -85,6 +85,6 @@ $ \fBXD -e $?\fR
 .br
 In a git repository.
 .br
-The're staged changes.
+There staged changes.
 .br
 Return code of 130, ctrl-c was pressed, or SIGTERM sent.

XD.c

@@ -61,8 +61,9 @@ static int explain = 0;
 char
 *find_git_repo()
 {
-  char path[PATH_MAX] = ".", *rpath;
+  char path[PATH_MAX] = ".", fstr[PATH_MAX], *rpath, *res;
   struct stat s;
+	FILE *f;
   int i, c;
 
   /* find the number of jumps to the root of the fs */
@@ -83,8 +84,27 @@ char
     strcat(path, "/.git");
 
     /* if there seems to be a git directory return the directory it was found in */
-    if (stat(path, &s) == 0 && S_ISDIR(s.st_mode)) {
+		if (stat(path, &s) == 0) {
+			if (S_ISDIR(s.st_mode)) {
 				return realpath(path, NULL);
+			} else if (S_ISREG(s.st_mode)) {
+				/* we do some special magic here to check if we're in a submodule */
+				f = fopen(path, "r");
+				if (!f) {
+					L("fopen: %s", strerror(errno));
+					return NULL;
+				}
+				res = fgets(fstr, PATH_MAX, f);
+				fclose(f);
+				if (!res) {
+					L("fgets: %s", strerror(errno));
+					return NULL;
+				}
+				if (strncmp(fstr, "gitdir: ", strlen("gitdir: ")) == 0) {
+					fstr[strlen(fstr) - 1] = '\0';
+					return realpath(fstr + strlen("gitdir: "), NULL);
+				}
+			}
 		}
 
     /* reset contents of gpath, and go up a directory */
@@ -113,13 +133,12 @@ git_repository
 
   /* disable a bunch of git options to hopefully speed things up */
   git_libgit2_opts(GIT_OPT_ENABLE_CACHING, 0);
-
   git_libgit2_opts(GIT_OPT_SET_SEARCH_PATH, GIT_CONFIG_LEVEL_GLOBAL, "");
   git_libgit2_opts(GIT_OPT_SET_SEARCH_PATH, GIT_CONFIG_LEVEL_XDG, "");
   git_libgit2_opts(GIT_OPT_SET_SEARCH_PATH, GIT_CONFIG_LEVEL_SYSTEM, "");
   git_libgit2_opts(GIT_OPT_SET_TEMPLATE_PATH, "");
-
   git_libgit2_opts(GIT_OPT_DISABLE_PACK_KEEP_FILE_CHECKS, 1);
+  git_libgit2_opts(GIT_OPT_ENABLE_STRICT_HASH_VERIFICATION, 0);
 
   /* initialize the git library and repository */
   if (git_libgit2_init() < 0) {
@@ -177,9 +196,11 @@ has_untracked(git_repository *repo)
   git_status_list *list = NULL;
   int r = 0;
 
-  opts.show = GIT_STATUS_SHOW_INDEX_AND_WORKDIR;
+  /* FIXME: this is really slow in large git repos :( */
+  opts.show = GIT_STATUS_SHOW_WORKDIR_ONLY;
   opts.flags = GIT_STATUS_OPT_INCLUDE_UNTRACKED |
-    GIT_STATUS_OPT_RENAMES_HEAD_TO_INDEX;
+    GIT_STATUS_OPT_RENAMES_HEAD_TO_INDEX |
+    GIT_STATUS_OPT_DISABLE_PATHSPEC_MATCH;
 
   if (git_status_list_new(&list, repo, &opts) < 0) {
     L("Error checking for untracked changes: %s", git_error_last()->message);
@@ -300,7 +321,7 @@ main(int argc, char *argv[])
 
     /* change the nose depending on the current git repo's status */
     if (has_staged(repo)) {
-      E("They're staged changes.")
+      E("There staged changes.")
       P("*"); /* change to broken nose for staged changes */
     } else if (has_untracked(repo)) {
       E("There are untracked changes in the repository.")