# git rev-parse -q --verify 6aa8a529357fe3353847ed9ce71b6e54979db4a6^{commit}
# git fetch -q -n -f git://gitlab.ozlabs.ibm.com/mirror/linux-stable-rc.git linux-4.19.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 6aa8a529357fe3353847ed9ce71b6e54979db4a6^{commit}
6aa8a529357fe3353847ed9ce71b6e54979db4a6
# git checkout -q -f -B kisskb 6aa8a529357fe3353847ed9ce71b6e54979db4a6
# git clean -qxdf
# < git log -1
# commit 6aa8a529357fe3353847ed9ce71b6e54979db4a6
# Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# Date:   Mon Feb 17 21:42:59 2020 +0100
# 
#     Linux 4.19.105-rc1
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/s390-linux/bin/s390-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/s390-linux/bin/s390-linux-ld --version
# < git log --format=%s --max-count=1 6aa8a529357fe3353847ed9ce71b6e54979db4a6
# < make -s -j 32 ARCH=s390 O=/kisskb/build/stable-rc-4.19_s390-defconfig_s390x-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/s390-linux/bin/s390-linux-  defconfig
# make -s -j 32 ARCH=s390 O=/kisskb/build/stable-rc-4.19_s390-defconfig_s390x-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/s390-linux/bin/s390-linux-  
Completed OK
# rm -rf /kisskb/build/stable-rc-4.19_s390-defconfig_s390x-gcc4.9
# Build took: 0:04:18.480015