Error help

11:55:55 AM Applying: Add Score.isScoreSet()Z API.
11:55:57 AM Applying: Add PlayerSpawnLocationEvent.
11:55:58 AM Applying: Ease ClassLoader Deadlocks Where Possible
11:56:00 AM Applying: Fix slow tab complete for some commands.
11:56:02 AM Applying: Undeprecate Player#updateInventory()V
11:56:04 AM Applying: Added isUnbreakable and setUnbreakable to ItemMeta
11:56:06 AM Applying: BungeeCord Chat API
11:56:07 AM Applying: Add restart API.
11:56:08 AM Patches applied cleanly to Spigot-API
11:56:10 AM From file:///C:\Users\John\Desktop\Server\CraftBukkit
11:56:10 AM + 2db16f1...d4d28ae patched    -> origin/patched  (forced update)
11:56:10 AM HEAD is now at d4d28ae CraftBukkit $ Sat Sep 05 11:52:48 EDT 2015
11:56:10 AM Resetting Spigot-Server to CraftBukkit...
11:56:12 AM HEAD is now at d4d28ae CraftBukkit $ Sat Sep 05 11:52:48 EDT 2015
11:56:12 AM Applying patches to Spigot-Server...
11:56:13 AM You seem to have moved HEAD since the last 'am' failure.
11:56:13 AM Not rewinding to ORIG_HEAD
11:56:17 AM Applying: POM Changes
11:56:19 AM Applying: mc-dev imports
11:56:21 AM Applying: Skeleton API Implementations
11:56:23 AM Applying: Obfuscation Helpers
11:56:23 AM fatal: sha1 information is lacking or useless (src/main/java/net/minecraft/server/MinecraftServer.java).
11:56:23 AM Repository lacks necessary blobs to fall back on 3-way merge.
11:56:23 AM Cannot fall back to three-way merge.
11:56:23 AM Patch failed at 0004 Obfuscation Helpers
11:56:24 AM The copy of the patch that failed is found in:
11:56:24 AM C:/Users/John/Desktop/Server/Spigot/Spigot-Server/.git/rebase-apply/patch
11:56:24 AM When you have resolved this problem, run "git am --continue".
11:56:24 AM If you prefer to skip this patch, run "git am --skip" instead.
11:56:24 AM To restore the original branch and stop patching, run "git am --abort".
11:56:24 AM Something did not apply cleanly to Spigot-Server.
11:56:24 AM Please review above details and finish the apply then
11:56:24 AM Error compiling Spigot, are you running this jar via msysgit?
11:56:24 AM save the changes with rebuildPatches.sh
11:56:24 AM java.lang.RuntimeException: Error running command, return status !=0: [bash, applyPatches.sh]
11:56:24 AM at org.spigotmc.builder.Builder.runProcess(Builder.java:517)
11:56:24 AM [GUI] The server has stopped