From 1c9e9f97ee09d607e0da28845f4862fdcc3b2d03 Mon Sep 17 00:00:00 2001 From: Sergei Trofimovich Date: Tue, 26 Sep 2023 04:28:17 +0100 Subject: [PATCH] postfix: mangle store paths in /etc/postfix/makedefs.out Before the change closure size is: $ nix path-info -rsSh $(nix-build --no-link -A postfix) | nl | unnix | tail -n 1 63 /<>/postfix-3.8.2 21.9M 177.9M After the change: $ nix path-info -rsSh $(nix-build --no-link -A postfix) | nl | unnix | tail -n 1 55 /<>/postfix-3.8.2 21.9M 166.0M --- pkgs/servers/mail/postfix/default.nix | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/pkgs/servers/mail/postfix/default.nix b/pkgs/servers/mail/postfix/default.nix index 5955789d566..e9dea5282aa 100644 --- a/pkgs/servers/mail/postfix/default.nix +++ b/pkgs/servers/mail/postfix/default.nix @@ -99,6 +99,11 @@ in stdenv.mkDerivation rec { --prefix PATH ":" ${lib.makeBinPath [ coreutils findutils gnugrep ]} wrapProgram $out/libexec/postfix/postfix-script \ --prefix PATH ":" ${lib.makeBinPath [ coreutils findutils gnugrep gawk gnused ]} + + # Avoid dev-only outputs from being retained in final closure. + # `makedefs.out` is a documenttation-only file. It should be safe + # to store invalid store paths there. + sed -e "s|$NIX_STORE/[a-z0-9]\{32\}-|$NIX_STORE/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-|g" -i $out/etc/postfix/makedefs.out ''; passthru = {