$ git clone -n https://src.fedoraproject.org/rpms/ghc-Decimal.git /var/lib/mock/f40-build-741917-110406/root/chroot_tmpdir/scmroot/ghc-Decimal
Cloning into '/var/lib/mock/f40-build-741917-110406/root/chroot_tmpdir/scmroot/ghc-Decimal'...
$ git reset --hard 2a7a23a5fa3ba31f53f7c5526ce4d4771b861463
HEAD is now at 2a7a23a bump release