From 457f2f134587e10e386fb76e9d8c571dfe4490ec Mon Sep 17 00:00:00 2001
From: lassulus <lassulus@lassul.us>
Date: Thu, 21 Sep 2017 23:36:34 +0200
Subject: git-preview: init

---
 krebs/5pkgs/simple/git-preview/default.nix | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 krebs/5pkgs/simple/git-preview/default.nix

diff --git a/krebs/5pkgs/simple/git-preview/default.nix b/krebs/5pkgs/simple/git-preview/default.nix
new file mode 100644
index 000000000..f20f2a636
--- /dev/null
+++ b/krebs/5pkgs/simple/git-preview/default.nix
@@ -0,0 +1,15 @@
+{ coreutils, git, stdenv, writeDashBin }:
+
+writeDashBin "git-preview" ''
+  PATH=${stdenv.lib.makeBinPath [
+    coreutils
+    git
+  ]}''${PATH+:$PATH}
+  hashes=$(git log --format=%h "..$1")
+  end=$(echo "$hashes" | head -1)
+  start=$(echo "$hashes" | tail -1)
+  # exit if no diff was found
+  test -z "$start" && exit 0
+  shift
+  git diff "$start^..$end" "$@"
+''
-- 
cgit v1.2.3