$ git clone -n https://src.fedoraproject.org/rpms/ghc-text-icu.git /var/lib/mock/f40-build-797491-141355/root/chroot_tmpdir/scmroot/ghc-text-icu
Cloning into '/var/lib/mock/f40-build-797491-141355/root/chroot_tmpdir/scmroot/ghc-text-icu'...
$ git fetch origin 576d15f3a402a2330cd99250adc0eb04391b724d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-text-icu
 * [new ref]         576d15f3a402a2330cd99250adc0eb04391b724d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 576d15f import rhbz#2244987