$ git clone -n https://src.fedoraproject.org/rpms/sane-airscan.git /var/lib/mock/f40-build-765413-123530/root/chroot_tmpdir/scmroot/sane-airscan
Cloning into '/var/lib/mock/f40-build-765413-123530/root/chroot_tmpdir/scmroot/sane-airscan'...
$ git reset --hard 913879a64e0624df2f09fbdbb058ea0aa9ecb21d
HEAD is now at 913879a fix FTBFS