$ git clone -n https://src.fedoraproject.org/rpms/cabal-install.git /var/lib/mock/f39-build-2255747-54252/root/chroot_tmpdir/scmroot/cabal-install
Cloning into '/var/lib/mock/f39-build-2255747-54252/root/chroot_tmpdir/scmroot/cabal-install'...
$ git fetch origin d9213885b1b96223c32aae88b6a0f3ef5eb3e6dc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cabal-install
 * [new ref]         d9213885b1b96223c32aae88b6a0f3ef5eb3e6dc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d921388 dist-newstyle fix: use #8358 and #8627