$ git clone -n https://src.fedoraproject.org/rpms/bcache-tools.git /var/lib/mock/f39-build-1446120-32660/root/chroot_tmpdir/scmroot/bcache-tools
Cloning into '/var/lib/mock/f39-build-1446120-32660/root/chroot_tmpdir/scmroot/bcache-tools'...
$ git fetch origin bd786bef2e75a0f37c50b4f13e89752ff1e0c552:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bcache-tools
 * [new ref]         bd786bef2e75a0f37c50b4f13e89752ff1e0c552 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bd786be Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild