$ git clone -n https://src.fedoraproject.org/rpms/abseil-cpp.git /var/lib/mock/f40-build-789170-135676/root/chroot_tmpdir/scmroot/abseil-cpp
Cloning into '/var/lib/mock/f40-build-789170-135676/root/chroot_tmpdir/scmroot/abseil-cpp'...
$ git fetch origin 66b7bf6296f0b5b6031672d2ccf0e09eb5906bf3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/abseil-cpp
 * [new ref]         66b7bf6296f0b5b6031672d2ccf0e09eb5906bf3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 66b7bf6 Update to 20240116.0 (close RHBZ#2258740)