$ git clone -n https://src.fedoraproject.org/rpms/ghc-language-bluespec.git /var/lib/mock/f45-build-10473-418/root/chroot_tmpdir/scmroot/ghc-language-bluespec
Cloning into '/var/lib/mock/f45-build-10473-418/root/chroot_tmpdir/scmroot/ghc-language-bluespec'...
$ git fetch origin 588bb0129ad30b4b94571d01dac45f28f9831bcc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-language-bluespec
 * [new ref]         588bb0129ad30b4b94571d01dac45f28f9831bcc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 588bb01 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild