$ git clone -n https://src.fedoraproject.org/rpms/perl-Mail-Sendmail.git /var/lib/mock/f40-build-2626465-65277/root/chroot_tmpdir/scmroot/perl-Mail-Sendmail
Cloning into '/var/lib/mock/f40-build-2626465-65277/root/chroot_tmpdir/scmroot/perl-Mail-Sendmail'...
$ git fetch origin 5bbef003bed7ef50cf3a2d03919c8ff679db3c4f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Mail-Sendmail
 * [new ref]         5bbef003bed7ef50cf3a2d03919c8ff679db3c4f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5bbef00 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild