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authormakefu <github@syntax-fehler.de>2017-09-29 21:28:23 +0200
committermakefu <github@syntax-fehler.de>2017-09-29 21:28:23 +0200
commitc352397385d5e7cbf2095ead0aa4a74be116da34 (patch)
tree72a730cb2b451b5700a8eaf9420b4bd46f513ba9 /krebs/5pkgs/simple/git-preview/default.nix
parent9d9e9bc3d8087974370e3d62bc05d2332b2efab2 (diff)
parent37951eed3dd7806f73c40c47ec9cd047ad76c15d (diff)
Merge remote-tracking branch 'lass/master'
Diffstat (limited to 'krebs/5pkgs/simple/git-preview/default.nix')
-rw-r--r--krebs/5pkgs/simple/git-preview/default.nix15
1 files changed, 15 insertions, 0 deletions
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" "$@"
+''