$ git clone -n https://src.fedoraproject.org/rpms/perl-Syntax-Keyword-MultiSub.git /var/lib/mock/f39-build-1880194-42753/root/chroot_tmpdir/scmroot/perl-Syntax-Keyword-MultiSub
Cloning into '/var/lib/mock/f39-build-1880194-42753/root/chroot_tmpdir/scmroot/perl-Syntax-Keyword-MultiSub'...
$ git fetch origin ac4750a9fcc84edc8e542aa3fc235a1fd44e6a8c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Syntax-Keyword-MultiSub
 * [new ref]         ac4750a9fcc84edc8e542aa3fc235a1fd44e6a8c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ac4750a Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild