$ git clone -n https://src.fedoraproject.org/rpms/rubygem-glib2.git /var/lib/mock/f38-build-696426-86311/root/chroot_tmpdir/scmroot/rubygem-glib2
Cloning into '/var/lib/mock/f38-build-696426-86311/root/chroot_tmpdir/scmroot/rubygem-glib2'...
$ git reset --hard a191228767e4b850997e793650f91166df590432
HEAD is now at a191228 4.1.2 entry