$ git clone -n https://src.fedoraproject.org/rpms/perl-Syntax-Keyword-Try.git /var/lib/mock/f45-build-26368-617/root/chroot_tmpdir/scmroot/perl-Syntax-Keyword-Try
Cloning into '/var/lib/mock/f45-build-26368-617/root/chroot_tmpdir/scmroot/perl-Syntax-Keyword-Try'...
$ git fetch origin 84ad384bb40179b63c34a53a25a3d34082b5a4f9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Syntax-Keyword-Try
 * [new ref]         84ad384bb40179b63c34a53a25a3d34082b5a4f9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 84ad384 Perl 5.44 rebuild