# git rev-parse -q --verify 6a3b25ca97204a3891527d88b6691b362fee82c8^{commit}
# git fetch -q -n -f git://gitlab.ozlabs.ibm.com/mirror/linux-stable-rc.git linux-5.0.y
error: 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 6a3b25ca97204a3891527d88b6691b362fee82c8^{commit}
6a3b25ca97204a3891527d88b6691b362fee82c8
# git checkout -q -f -B kisskb 6a3b25ca97204a3891527d88b6691b362fee82c8
# git clean -qxdf
# < git log -1
# commit 6a3b25ca97204a3891527d88b6691b362fee82c8
# Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# Date:   Fri Mar 22 12:12:51 2019 +0100
# 
#     Linux 5.0.4-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 6a3b25ca97204a3891527d88b6691b362fee82c8
# < make -s -j 80 ARCH=x86 O=/kisskb/build/stable-rc-5.0_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 80 ARCH=x86 O=/kisskb/build/stable-rc-5.0_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-5.0_x86_64_defconfig_x86_64-gcc8
# Build took: 0:06:16.804197