$ git clone -n https://src.fedoraproject.org/rpms/bcc.git /var/lib/mock/f39-build-2353336-60251/root/chroot_tmpdir/scmroot/bcc
Cloning into '/var/lib/mock/f39-build-2353336-60251/root/chroot_tmpdir/scmroot/bcc'...
$ git fetch origin 030dab2cb01f15796aac2c73cb22ea21d388b1d1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bcc
 * [new ref]         030dab2cb01f15796aac2c73cb22ea21d388b1d1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 030dab2 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild