$ git clone -n https://src.fedoraproject.org/rpms/perl-IPC-System-Simple.git /var/lib/mock/f39-build-1433062-31862/root/chroot_tmpdir/scmroot/perl-IPC-System-Simple
Cloning into '/var/lib/mock/f39-build-1433062-31862/root/chroot_tmpdir/scmroot/perl-IPC-System-Simple'...
$ git fetch origin 89402231caafe991db2651019d1a9c18db761227:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-IPC-System-Simple
 * [new ref]         89402231caafe991db2651019d1a9c18db761227 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8940223 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild