$ git clone -n https://src.fedoraproject.org/rpms/perl-ExtUtils-InferConfig.git /var/lib/mock/f45-build-23388-597/root/chroot_tmpdir/scmroot/perl-ExtUtils-InferConfig
Cloning into '/var/lib/mock/f45-build-23388-597/root/chroot_tmpdir/scmroot/perl-ExtUtils-InferConfig'...
$ git fetch origin 9d5b841cd928892953bf451f9d91a6cd3e9c7d97:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-ExtUtils-InferConfig
 * [new ref]         9d5b841cd928892953bf451f9d91a6cd3e9c7d97 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9d5b841 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild