$ git clone -n https://src.fedoraproject.org/rpms/docbook5-style-xsl.git /var/lib/mock/f40-build-2344589-59918/root/chroot_tmpdir/scmroot/docbook5-style-xsl
Cloning into '/var/lib/mock/f40-build-2344589-59918/root/chroot_tmpdir/scmroot/docbook5-style-xsl'...
$ git fetch origin b300ec0a59b58ea2cbc3e57ab4ef7748f060f97f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/docbook5-style-xsl
 * [new ref]         b300ec0a59b58ea2cbc3e57ab4ef7748f060f97f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b300ec0 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild