# git gc
# git rev-parse -q --verify 07f7e57c63aaa2afb4ea31edef05e08699a63a00^{commit}
07f7e57c63aaa2afb4ea31edef05e08699a63a00
already have revision, skipping fetch
# git checkout -q -f -B kisskb 07f7e57c63aaa2afb4ea31edef05e08699a63a00
# git clean -qxdf
# < git log -1
# commit 07f7e57c63aaa2afb4ea31edef05e08699a63a00
# Author: Stephen Rothwell <sfr@canb.auug.org.au>
# Date:   Fri Feb 12 22:03:40 2021 +1100
# 
#     Add linux-next specific files for 20210212
#     
#     Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
# < /opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux-gcc --version
# < /opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux-ld --version
# < git log --format=%s --max-count=1 07f7e57c63aaa2afb4ea31edef05e08699a63a00
# < make -s -j 48 ARCH=um O=/kisskb/build/linux-next_um-defconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 defconfig
# < make -s -j 48 ARCH=um O=/kisskb/build/linux-next_um-defconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 help
# make -s -j 48 ARCH=um O=/kisskb/build/linux-next_um-defconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 olddefconfig
# make -s -j 48 ARCH=um O=/kisskb/build/linux-next_um-defconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 
  LINK linux
Completed OK
# rm -rf /kisskb/build/linux-next_um-defconfig_um-x86_64
# Build took: 0:04:36.224662