$ git clone -n https://src.fedoraproject.org/rpms/perl-Glib-Object-Introspection.git /var/lib/mock/f31-build-46267-26495/root/thebuilddir/tmp/scmroot/perl-Glib-Object-Introspection
Cloning into '/var/lib/mock/f31-build-46267-26495/root/thebuilddir/tmp/scmroot/perl-Glib-Object-Introspection'...
$ git reset --hard c36d2e7976489decee48e5124d55235f0a74b4b3
HEAD is now at c36d2e7 Perl 5.30 rebuild