# git rev-parse -q --verify b651de82f0d1632e20519b862c0f85f0543773b1^{commit}
# git fetch -q -n -f git://gitlab.ozlabs.ibm.com/mirror/linux-stable-rc.git linux-4.9.y
warning: The last gc run reported the following. Please correct the root cause
and remove .git/gc.log.
Automatic cleanup will not be performed until the file is removed.

warning: There are too many unreachable loose objects; run 'git prune' to remove them.

# git rev-parse -q --verify b651de82f0d1632e20519b862c0f85f0543773b1^{commit}
fetched but didn't get requested revision!
Command 'git rev-parse -q --verify b651de82f0d1632e20519b862c0f85f0543773b1^{commit}' returned non-zero exit status 1
# rm -rf /kisskb/build/stable-rc-4.9_pseries_defconfig_powerpc-gcc4.6
# Build took: 0:00:15.894697