$ git clone -n https://src.fedoraproject.org/rpms/perl-File-Pid.git /var/lib/mock/f40-build-2017400-46306/root/chroot_tmpdir/scmroot/perl-File-Pid
Cloning into '/var/lib/mock/f40-build-2017400-46306/root/chroot_tmpdir/scmroot/perl-File-Pid'...
$ git fetch origin 7b97228d78f63d31851d2106e2c3fa5285790031:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-File-Pid
 * [new ref]         7b97228d78f63d31851d2106e2c3fa5285790031 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7b97228 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild