$ git clone -n https://src.fedoraproject.org/rpms/perl-Syntax-Keyword-Dynamically.git /var/lib/mock/f45-build-26345-617/root/chroot_tmpdir/scmroot/perl-Syntax-Keyword-Dynamically
Cloning into '/var/lib/mock/f45-build-26345-617/root/chroot_tmpdir/scmroot/perl-Syntax-Keyword-Dynamically'...
$ git fetch origin 4e67fa8a54948466b750984fcb8ce5923ea2f49b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Syntax-Keyword-Dynamically
 * [new ref]         4e67fa8a54948466b750984fcb8ce5923ea2f49b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4e67fa8 Perl 5.44 re-rebuild of bootstrapped packages