$ git clone -n https://src.fedoraproject.org/rpms/ghc-regex-posix.git /var/lib/mock/f41-build-838067-159539/root/chroot_tmpdir/scmroot/ghc-regex-posix
Cloning into '/var/lib/mock/f41-build-838067-159539/root/chroot_tmpdir/scmroot/ghc-regex-posix'...
$ git reset --hard e085d2ab3850c40f594a87d9a1fe058bd1d7338a
HEAD is now at e085d2a refresh .cabal revision