launch_editor(): Heed GIT_EDITOR and core.editor settings

diff --git a/cache.h b/cache.h
index 53801b8089e0fbea5e36414432ef9aa7d1313781..67b1af16d9f06a76ed9616df9c96ce4b1f839bd4 100644 (file)
--- a/cache.h
+++ b/cache.h
@@ -560,6 +560,8 @@ extern char *pager_program;
 extern int pager_in_use;
 extern int pager_use_color;
 
+extern char *editor_program;
+
 /* base85 */
 int decode_85(char *dst, const char *line, int linelen);
 void encode_85(char *buf, const unsigned char *data, int bytes);