Hello Brendan, sorry for the sloooow response. Brendan Tildesley writes: > I just made this after discovering a source repo with a bootstrap > directory. Naturally it results in just about everything being rebuilt, > so it would a long time to fully test it, and I'm no experienced schemer > so I can't be sure this is the right way to add in this change. Feel > free to rewrite it a better way. Were you able to verify that it DTRT? > From 3a602cccbd8711f40f6b981e5616289a5fdd0b56 Mon Sep 17 00:00:00 2001 > From: Brendan Tildesley > Date: Tue, 8 Oct 2019 02:55:03 +1100 > Subject: [PATCH] gnu-build-system: Don't try executing directories in > bootstrap phase. > > * guix/build/gnu-build-system.scm: (bootstrap): Change the file-exists? > procedure to one that excludes directories, so that we do not mistake it for a > script. For example if the source includes a bootstrap/ directory. The patch LGTM. Will push it in a few days unless anyone protests!