$ git clone -n https://src.fedoraproject.org/rpms/abook.git /var/lib/mock/f40-build-763208-122451/root/chroot_tmpdir/scmroot/abook
Cloning into '/var/lib/mock/f40-build-763208-122451/root/chroot_tmpdir/scmroot/abook'...
$ git fetch origin eb1c73e0d24937adcb80e904f719a7b96f6163bc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/abook
 * [new ref]         eb1c73e0d24937adcb80e904f719a7b96f6163bc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at eb1c73e Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild