$ git clone -n https://src.fedoraproject.org/rpms/ghc-http-client-tls.git /var/lib/mock/f39-build-1714987-41229/root/chroot_tmpdir/scmroot/ghc-http-client-tls
Cloning into '/var/lib/mock/f39-build-1714987-41229/root/chroot_tmpdir/scmroot/ghc-http-client-tls'...
$ git fetch origin 0b0a89ecb1117b0bdc2bcce6fc38e71edc1c87e9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-http-client-tls
 * [new ref]         0b0a89ecb1117b0bdc2bcce6fc38e71edc1c87e9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0b0a89e bump release