$ git clone -n https://src.fedoraproject.org/rpms/perl-iCal-Parser.git /var/lib/mock/f39-build-1547444-36720/root/chroot_tmpdir/scmroot/perl-iCal-Parser
Cloning into '/var/lib/mock/f39-build-1547444-36720/root/chroot_tmpdir/scmroot/perl-iCal-Parser'...
$ git fetch origin d2c175b162aedaa995998c6da1d856deb6bb27e4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-iCal-Parser
 * [new ref]         d2c175b162aedaa995998c6da1d856deb6bb27e4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d2c175b Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild