$ git clone -n https://src.fedoraproject.org/rpms/ghc-tls-session-manager.git /var/lib/mock/f39-build-1962091-43270/root/chroot_tmpdir/scmroot/ghc-tls-session-manager
Cloning into '/var/lib/mock/f39-build-1962091-43270/root/chroot_tmpdir/scmroot/ghc-tls-session-manager'...
$ git fetch origin 42ebcb11299be8192ee836640e01a0a16a71932e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-tls-session-manager
 * [new ref]         42ebcb11299be8192ee836640e01a0a16a71932e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 42ebcb1 bump release