# git rev-parse -q --verify a8dd31aeb7af31243ab6343dfa4bb45d8127b029^{commit}
# git fetch -q -n -f git://gitlab.ozlabs.ibm.com/mirror/linux-kbuild.git for-next
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 a8dd31aeb7af31243ab6343dfa4bb45d8127b029^{commit}
a8dd31aeb7af31243ab6343dfa4bb45d8127b029
# git checkout -q -f -B kisskb a8dd31aeb7af31243ab6343dfa4bb45d8127b029
# git clean -qxdf
# < git log -1
# commit a8dd31aeb7af31243ab6343dfa4bb45d8127b029
# Author: Masahiro Yamada <masahiroy@kernel.org>
# Date:   Fri Apr 30 11:03:08 2021 +0900
# 
#     .gitignore: prefix local generated files with a slash
#     
#     The pattern prefixed with '/' matches files in the same directory,
#     but not ones in sub-directories.
#     
#     Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
#     Acked-by: Miguel Ojeda <ojeda@kernel.org>
#     Acked-by: Rob Herring <robh@kernel.org>
#     Acked-by: Andra Paraschiv <andraprs@amazon.com>
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/x86_64-linux/bin/x86_64-linux-ld --version
# < git log --format=%s --max-count=1 a8dd31aeb7af31243ab6343dfa4bb45d8127b029
# < make -s -j 32 ARCH=x86_64 O=/kisskb/build/kbuild_x86_64-allnoconfig_x86_64-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/x86_64-linux/bin/x86_64-linux-  allnoconfig
# < make -s -j 32 ARCH=x86_64 O=/kisskb/build/kbuild_x86_64-allnoconfig_x86_64-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/x86_64-linux/bin/x86_64-linux-  help
# make -s -j 32 ARCH=x86_64 O=/kisskb/build/kbuild_x86_64-allnoconfig_x86_64-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/x86_64-linux/bin/x86_64-linux-  olddefconfig
# make -s -j 32 ARCH=x86_64 O=/kisskb/build/kbuild_x86_64-allnoconfig_x86_64-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/x86_64-linux/bin/x86_64-linux-  
Completed OK
# rm -rf /kisskb/build/kbuild_x86_64-allnoconfig_x86_64-gcc4.9
# Build took: 0:00:35.472085