$ git clone -n https://src.fedoraproject.org/rpms/stringtemplate.git /var/lib/mock/f40-build-1443552-23577/root/chroot_tmpdir/scmroot/stringtemplate
Cloning into '/var/lib/mock/f40-build-1443552-23577/root/chroot_tmpdir/scmroot/stringtemplate'...
$ git fetch origin 40a0ca185ae84b0dd172c52c0312a178bfc0f82c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/stringtemplate
 * [new ref]         40a0ca185ae84b0dd172c52c0312a178bfc0f82c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 40a0ca1 Rebuilt for java-21-openjdk as system jdk