$ git clone -n https://src.fedoraproject.org/rpms/perl-Crypt-Random-Source.git /var/lib/mock/f39-build-1528806-36191/root/chroot_tmpdir/scmroot/perl-Crypt-Random-Source
Cloning into '/var/lib/mock/f39-build-1528806-36191/root/chroot_tmpdir/scmroot/perl-Crypt-Random-Source'...
$ git fetch origin 3c5decfe8baf151d9b4d0798dd1c9f386b71e5fd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Crypt-Random-Source
 * [new ref]         3c5decfe8baf151d9b4d0798dd1c9f386b71e5fd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3c5decf Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild