$ git clone -n https://src.fedoraproject.org/rpms/postfix-mta-sts-resolver.git /var/lib/mock/f42-build-3272983-41309/root/chroot_tmpdir/scmroot/postfix-mta-sts-resolver
Cloning into '/var/lib/mock/f42-build-3272983-41309/root/chroot_tmpdir/scmroot/postfix-mta-sts-resolver'...
$ git fetch origin 816e1a68146c6ea23a6ad4bd402d87e935bff995:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/postfix-mta-sts-resolver
 * [new ref]         816e1a68146c6ea23a6ad4bd402d87e935bff995 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 816e1a6 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild