$ git clone -n https://src.fedoraproject.org/rpms/perl-Sentinel.git /var/lib/mock/f40-build-2318749-58300/root/chroot_tmpdir/scmroot/perl-Sentinel
Cloning into '/var/lib/mock/f40-build-2318749-58300/root/chroot_tmpdir/scmroot/perl-Sentinel'...
$ git fetch origin f9996daa84f7fdad2ba1f12ca93afc886eade465:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Sentinel
 * [new ref]         f9996daa84f7fdad2ba1f12ca93afc886eade465 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f9996da Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild