1 files changed, 6 insertions, 2 deletions
diff --git a/pkgs/build-support/fetchgit/default.nix b/pkgs/build-support/fetchgit/default.nix
index d85d2c893c52..8e060b87ebd3 100644
--- a/pkgs/build-support/fetchgit/default.nix
+++ b/pkgs/build-support/fetchgit/default.nix
@@ -1,6 +1,7 @@
 {stdenv, git, cacert}: let
   urlToName = url: rev: let
-    base = baseNameOf (stdenv.lib.removeSuffix "/" url);
+    inherit (stdenv.lib) removeSuffix splitString last;
+    base = last (splitString ":" (baseNameOf (removeSuffix "/" url)));
 
     matched = builtins.match "(.*).git" base;
 
@@ -15,6 +16,9 @@ in
 , fetchSubmodules ? true, deepClone ? false
 , branchName ? null
 , name ? urlToName url rev
+, # Shell code executed after the file has been fetched
+  # successfully. This can do things like check or transform the file.
+  postFetch ? ""
 }:
 
 /* NOTE:
@@ -54,7 +58,7 @@ stdenv.mkDerivation {
   outputHashMode = "recursive";
   outputHash = sha256;
 
-  inherit url rev leaveDotGit fetchSubmodules deepClone branchName;
+  inherit url rev leaveDotGit fetchSubmodules deepClone branchName postFetch;
 
   GIT_SSL_CAINFO = "${cacert}/etc/ssl/certs/ca-bundle.crt";