$ git clone -n https://src.fedoraproject.org/rpms/perl-DateTime-Calendar-Mayan.git /var/lib/mock/f39-build-1513549-35620/root/chroot_tmpdir/scmroot/perl-DateTime-Calendar-Mayan
Cloning into '/var/lib/mock/f39-build-1513549-35620/root/chroot_tmpdir/scmroot/perl-DateTime-Calendar-Mayan'...
$ git fetch origin df6ff1046fc84f97fbe82d5f1312c7c2650b5d45:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-DateTime-Calendar-Mayan
 * [new ref]         df6ff1046fc84f97fbe82d5f1312c7c2650b5d45 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at df6ff10 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild