$ git clone -n https://src.fedoraproject.org/rpms/golang-github-coreos-systemd.git /var/lib/mock/f42-build-3421921-45166/root/chroot_tmpdir/scmroot/golang-github-coreos-systemd
Cloning into '/var/lib/mock/f42-build-3421921-45166/root/chroot_tmpdir/scmroot/golang-github-coreos-systemd'...
$ git fetch origin 4b91d96d111a96ae2d7ac5235fc3809c5a17fad8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-coreos-systemd
 * [new ref]         4b91d96d111a96ae2d7ac5235fc3809c5a17fad8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4b91d96 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild