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[files/build/versions]: support reproduceable build for git (sonic-ne…
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…t#5774)

* support reproduceable build for git clone

Signed-off-by: shilongliu <shilongliu@microsoft.com>

* fix

Co-authored-by: shilongliu <shilongliu@microsoft.com>
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liushilongbuaa and liushilongbuaa authored Jan 21, 2021
1 parent cad2025 commit d75c290
Showing 1 changed file with 76 additions and 0 deletions.
76 changes: 76 additions & 0 deletions src/sonic-build-hooks/hooks/git
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#!/bin/bash

parse_config(){
. /usr/local/share/buildinfo/scripts/buildinfo_base.sh
[ -z $REAL_COMMAND ] && REAL_COMMAND=$(get_command git)

version_file=$VERSION_PATH/versions-git
new_version_file=$BUILD_VERSION_PATH/versions-git

MODE_CLONE=0
# parse input parameters
for i in "$@"
do
if [[ $i == "clone" ]];then
MODE_CLONE=1
fi
done
}

get_clone_path(){
# get paremater of clone path
while (( "$#" )); do
case $1 in
-b|--branch|--reference|--reference-if-able|-c|--config|--origin|-u|--upload-pack|-j|--jobs|--depth|--dissociate)
shift 2
;;
clone|-l|--local|--no-hardlinks|-s|--shared|--dissociate|-q|--quiet|-v|--verbose|--progress|--server-option=*|--bare|--sparse|--filter=*|--template=*|--mirror|--reference|--shallow-*|--no-tags|--recurse-submodules*|--remote-submodules|--no-remote-submodules|--separate-git-dir*)
shift 1
;;
*)
if [[ $URL == "" ]];then
URL=$1
else
clone_PATH=$1
fi
shift 1
;;
esac
done

# if not specific clone path, get default clone path
[ -z $clone_PATH ] && clone_PATH=`echo $URL | rev | awk -F/ '{print$1}' | rev | awk -F. '{print$1}'`
}

main(){
parse_config "$@"

# execute git.
$REAL_COMMAND "$@"
result=$?

# if sub command is not "clone", exit
if [[ $MODE_CLONE != 1 ]];then
exit $result
fi

get_clone_path "$@"
pushd $clone_PATH &> /dev/null
commit_latest=`$REAL_COMMAND log -n 1 | head -n 1| awk '{print$2}'`
[ -f $version_file ] && commit=`grep $URL $version_file | awk -F, '{print$2}'`

# control version or record version file
if [[ $ENABLE_VERSION_CONTROL_GIT == "y" ]];then
# control version
[ ! -z $commit ] && $REAL_COMMAND reset --hard $commit &> /dev/null
else
# record version file
echo "$URL==$commit_latest" >> $new_version_file
sort $new_version_file -o $new_version_file -u &> /dev/null
fi
popd &> /dev/null

exit $result
}

main "$@"

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