$ git clone -n https://src.fedoraproject.org/rpms/perl-PadWalker.git /var/lib/mock/f40-build-2628500-65468/root/chroot_tmpdir/scmroot/perl-PadWalker
Cloning into '/var/lib/mock/f40-build-2628500-65468/root/chroot_tmpdir/scmroot/perl-PadWalker'...
$ git fetch origin 77d7972df706ad69eeb447a9574a03467d62649f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-PadWalker
 * [new ref]         77d7972df706ad69eeb447a9574a03467d62649f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 77d7972 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild