$ git clone -n https://src.fedoraproject.org/rpms/perl-String-Trim.git /var/lib/mock/f40-build-2630564-65681/root/chroot_tmpdir/scmroot/perl-String-Trim
Cloning into '/var/lib/mock/f40-build-2630564-65681/root/chroot_tmpdir/scmroot/perl-String-Trim'...
$ git fetch origin d7511b9a498d6e50c44558be425c6080b9d51261:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-String-Trim
 * [new ref]         d7511b9a498d6e50c44558be425c6080b9d51261 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d7511b9 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild