$ git clone -n http://fedora.riscv.rocks:3000/rpms/glibc.git /var/lib/mock/f42-build-867415-175502/root/chroot_tmpdir/scmroot/glibc
Cloning into '/var/lib/mock/f42-build-867415-175502/root/chroot_tmpdir/scmroot/glibc'...
$ git fetch origin 7fa8cfdc2c33af24d498bdfc0e8e9a66de12b164:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/glibc
 * [new ref]         7fa8cfdc2c33af24d498bdfc0e8e9a66de12b164 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7fa8cfd Fix GCC 15 compile error in malloc/tst-calloc.c