add nose for staged changes, and remove unnecessary includes

XD.c

@@ -7,12 +7,6 @@
 
 #ifdef GIT
 #include <git2.h>
-#include <git2/common.h>
-#include <git2/errors.h>
-#include <git2/global.h>
-#include <git2/refs.h>
-#include <git2/repository.h>
-#include <git2/status.h>
 #endif
 
 enum face { EYES, NOSE, MOUTH };
@@ -126,6 +120,36 @@ has_untracked(git_repository *repo)
   git_status_list_free(list);
   return r;
 }
+
+int
+has_staged(git_repository *repo)
+{
+  git_status_entry entry;
+  git_status_list *list = NULL;
+  int i, c, r = 0;
+
+  if (git_status_list_new(&list, repo, NULL) < 0) {
+    l("Error checking for staged changes: %s", git_error_last()->message);
+    return 0;
+  }
+
+  /* if any staged changes are found return 1 */
+  if ((c = git_status_list_entrycount(list)) > 0) {
+    for (i = 0; i < c; i++) {
+      entry = *git_status_byindex(list, i);
+
+      if (entry.status & GIT_STATUS_INDEX_NEW
+        || entry.status & GIT_STATUS_INDEX_DELETED
+        || entry.status & GIT_STATUS_INDEX_MODIFIED) {
+        r = 1;
+        break;
+      }
+    }
+  }
+
+  git_status_list_free(list);
+  return r;
+}
 #endif
 
 int
@@ -153,7 +177,9 @@ main(int argc, char *argv[])
     }
 
     /* change the nose depending on the current git repo's status */
-    if (has_untracked(repo)) {
+    if (has_staged(repo)) {
+      face[NOSE] = '*'; /* change to broken nose for staged changes */
+    } else if (has_untracked(repo)) {
       face[NOSE] = '^'; /* add a little nose when there are untracked changes in the repo */
     } else if (git_repository_head_detached(repo)) {
       face[NOSE] = '-'; /* add a minus nose when the HEAD is detached */