$ git clone -n https://src.fedoraproject.org/rpms/maven-compiler-plugin.git /var/lib/mock/f40-build-2716094-72574/root/chroot_tmpdir/scmroot/maven-compiler-plugin
Cloning into '/var/lib/mock/f40-build-2716094-72574/root/chroot_tmpdir/scmroot/maven-compiler-plugin'...
$ git fetch origin db6b26055ec243c228bcbeec4fa5db816d53e6a1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/maven-compiler-plugin
 * [new ref]         db6b26055ec243c228bcbeec4fa5db816d53e6a1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at db6b260 Rebuilt for java-21-openjdk as system jdk