$ git clone -n https://src.fedoraproject.org/rpms/perl-Sub-Install.git /var/lib/mock/f40-build-2020937-46677/root/chroot_tmpdir/scmroot/perl-Sub-Install
Cloning into '/var/lib/mock/f40-build-2020937-46677/root/chroot_tmpdir/scmroot/perl-Sub-Install'...
$ git fetch origin 55a6eb1ad2a06716686581d1ab80bbd828b58234:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Sub-Install
 * [new ref]         55a6eb1ad2a06716686581d1ab80bbd828b58234 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 55a6eb1 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild