# git rev-parse -q --verify a39d089ed50f334f9d43f995d2594fc23b35f97a^{commit}
a39d089ed50f334f9d43f995d2594fc23b35f97a
already have revision, skipping fetch
# git checkout -q -f -B kisskb a39d089ed50f334f9d43f995d2594fc23b35f97a
# git clean -qxdf
# < git log -1
# commit a39d089ed50f334f9d43f995d2594fc23b35f97a
# Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# Date:   Mon Feb 25 17:48:51 2019 +0100
# 
#     Linux 4.20.13-rc1
# < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-ld --version
# < git log --format=%s --max-count=1 a39d089ed50f334f9d43f995d2594fc23b35f97a
# < make -s -j 48 ARCH=x86 O=/kisskb/build/stable-rc-4.20_x86_64_defconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-  x86_64_defconfig
# make -s -j 48 ARCH=x86 O=/kisskb/build/stable-rc-4.20_x86_64_defconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-  
Completed OK
# rm -rf /kisskb/build/stable-rc-4.20_x86_64_defconfig_x86_64-gcc8
# Build took: 0:02:16.614797