From 2ba64817ec6f3b714503ea6e6aa8439505bb7393 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <edolstra@gmail.com>
Date: Wed, 23 Oct 2019 13:59:05 +0200
Subject: Use lastModified

---
 release.nix | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/release.nix b/release.nix
index 075ef8b..2de382b 100644
--- a/release.nix
+++ b/release.nix
@@ -14,7 +14,13 @@ let
     tarball =
       pkgs.releaseTools.sourceTarball rec {
         name = "patchelf-tarball";
-        version = builtins.readFile ./version + (if officialRelease then "" else "pre${toString patchelfSrc.revCount or 0}_${patchelfSrc.shortRev or "0000000"}");
+        version = builtins.readFile ./version +
+                  (if officialRelease then "" else
+                    "." +
+                    ((if patchelfSrc ? lastModified
+                      then builtins.substring 0 8 patchelfSrc.lastModified
+                      else toString patchelfSrc.revCount or 0)
+                    + "." + patchelfSrc.shortRev));
         versionSuffix = ""; # obsolete
         src = patchelfSrc;
         preAutoconf = "echo ${version} > version";
-- 
cgit v0.12