$ git clone -n https://src.fedoraproject.org/rpms/perl-libwhisker2.git /var/lib/mock/f42-build-3280158-41340/root/chroot_tmpdir/scmroot/perl-libwhisker2
Cloning into '/var/lib/mock/f42-build-3280158-41340/root/chroot_tmpdir/scmroot/perl-libwhisker2'...
$ git fetch origin fd265c666727990d2b88346c150c359fe6f750fc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-libwhisker2
 * [new ref]         fd265c666727990d2b88346c150c359fe6f750fc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fd265c6 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild