$ git clone -n http://git.inferitos.ru/rpms/perl-Math-BigInt-FastCalc /var/lib/mock/inferit-9_4-aarch64-bootstrap-build-57842-126565/root/chroot_tmpdir/scmroot/perl-Math-BigInt-FastCalc
Cloning into '/var/lib/mock/inferit-9_4-aarch64-bootstrap-build-57842-126565/root/chroot_tmpdir/scmroot/perl-Math-BigInt-FastCalc'...
$ git fetch origin changed/i9c/perl-Math-BigInt-FastCalc-0.500.900-460.el9:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/perl-Math-BigInt-FastCalc
 * [new tag]         changed/i9c/perl-Math-BigInt-FastCalc-0.500.900-460.el9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 53e6cff import perl-Math-BigInt-FastCalc-0.500.900-460.el9