$ git clone -n https://src.fedoraproject.org/rpms/rubygem-docile.git /var/lib/mock/f39-build-1499245-34744/root/chroot_tmpdir/scmroot/rubygem-docile
Cloning into '/var/lib/mock/f39-build-1499245-34744/root/chroot_tmpdir/scmroot/rubygem-docile'...
$ git fetch origin 8b90a03902823e84fd01362b24f3ebc22b469207:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-docile
 * [new ref]         8b90a03902823e84fd01362b24f3ebc22b469207 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8b90a03 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild