$ git clone -n https://src.fedoraproject.org/rpms/gnome-builder.git /var/lib/mock/f40-build-754021-117559/root/chroot_tmpdir/scmroot/gnome-builder
Cloning into '/var/lib/mock/f40-build-754021-117559/root/chroot_tmpdir/scmroot/gnome-builder'...
$ git reset --hard 462a7263529042976e57224e35fd972f07e1f71f
HEAD is now at 462a726 Fix building against libxml2 2.12.0