add new eyes for when the current repo is in the middle of a merge

also include errno so we can check it

XD.1

@@ -24,6 +24,7 @@ c;l.
  :;default
  \;;in a git repo
  8;in a git repo with stashed changes
+ X;in a git repo during a merge
  B;in a git repo with no commits
 .TE
 .Ss Nose

XD.c

@@ -3,7 +3,10 @@
 #include <string.h>
 #include <ctype.h>
 
-#if defined(ERR) || defined(EXPLAIN)
+#ifdef ERR
+#include <errno.h>
+#endif
+#if defined(EXPLAIN) || defined(ERR)
 #include <stdarg.h>
 #endif
 
@@ -62,9 +65,12 @@ char
   struct stat s;
   int i, c;
 
-
   /* find the number of jumps to the root of the fs */
   rpath = realpath(path, NULL);
+  if (!rpath) {
+    L("realpath: %s", strerror(errno));
+    return NULL;
+  }
   for (i = c = 0; i < strlen(rpath); i++) {
     if (rpath[i] == '/') {
       c++;
@@ -281,6 +287,9 @@ main(int argc, char *argv[])
     if (has_stashes(repo)) {
       E("The current git repo has stashed changes.")
       P("8"); /* goggle eyes if we have some stashed changes */
+    } else if (git_repository_state(repo) == GIT_REPOSITORY_STATE_MERGE) {
+      E("The current git repo is in the middle of a merge.")
+      P("X"); /* laughing eyes cause the user is fucked */
     } else if (git_repository_is_empty(repo)) {
       E("This is a new git repo.")
       P("B"); /* sunglasses if we're in a new repo with no HEAD */

config.mk

@@ -1,4 +1,4 @@
-VERSION = 3.0
+VERSION = 3.2
 
 PKG_CONFIG = pkg-config