Blame env-builder-data/build/script/common/helpers.sh

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# helpers
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allvars() {
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    for LOCAL_ALLVARS_VAR_PREFIX in _ {a..z} {A..Z}; do
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        eval echo -n $\{\!$LOCAL_ALLVARS_VAR_PREFIX*} | sed "s|LOCAL_ALLVARS_VAR_PREFIX||g"
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        echo -n " "
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    done
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}
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vars_clear() {
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    # local PREFIX=$1
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    [ ! -z "$1" ] || return 1
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    for VAR in $(allvars); do
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        if [[ "$VAR" = $1* ]]; then
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            unset $VAR
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        fi
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    done
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}
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vars_copy() {
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    # local PREFIX_FROM=$1
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    # local PREFIX_TO=$2
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    # local EXPORT=$3
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    [ "$1" == "$2" ] && return 0
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    for VAR in $(allvars); do
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        if [[ "$VAR" = $1* ]]; then
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            if [ "$3" = "export" ]; then
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                eval export ${2}${VAR#$1}='${!VAR}'
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            else
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                eval ${2}${VAR#$1}='${!VAR}'
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            fi
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        fi
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    done
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}
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vars_rename() {
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    # local PREFIX_FROM=$1
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    # local PREFIX_TO=$2
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    [ ! -z "$1" ] || return 1
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    vars_copy "$1" "$2"
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    vars_clear "$1"
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}
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vars_backup() {
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    # local PREFIX=$1
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    [ ! -z "$1" ] || return 1
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    vars_copy "" "$1"
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}
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vars_restore() {
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    # local PREFIX=$1
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    # local EXPORT=$2
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    [ ! -z "$1" ] || return 1
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    vars_copy "$1" "" "$2"
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}
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copy() {
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    local SRC=$1
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    local DEST=$2
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    if [ -d "$SRC" ]; then
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        if ! mkdir -p $DEST; then
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            return 1
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        fi
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        if [ "$(ls -A $1)" ]; then
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            if ! cp --remove-destination -rlP $SRC/* "$DEST/"; then
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                echo "Error while copying directory [$SRC] -> [$DEST]"
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                return 1
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            fi
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        fi
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    elif [ -f "$SRC" ]; then
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        if ! (mkdir -p `dirname $DEST` && cp --remove-destination -l "$SRC" "$DEST"); then
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            echo "Error while copying file [$SRC] -> [$DEST]"
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            return 1
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        fi
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    else
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        echo "Error while copying [$SRC] -> [$DEST/]: source does not exists"
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        return 1
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    fi
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}
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foreachfile() {
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    local DIR="$1"
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    local COMMAND="$2"
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    if [ -z "$DIR" ] || [ ! -e "$DIR" ]; then
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        return 1
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    fi
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    if [ -d "$DIR" ]; then
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        for FILE in "$DIR/".*; do
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            if [ "$FILE" != "$DIR/." ] && [ "$FILE" != "$DIR/.." ]; then
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                if ! "$COMMAND" "$FILE" ${@:3}; then
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                    return 1
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                fi
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            fi
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        done
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        for FILE in "$DIR/"*; do
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            if [ "$FILE" != "$DIR" ] && [ "$FILE" != "$DIR/" ]; then
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                if ! "$COMMAND" "$FILE" ${@:3}; then
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                    return 1
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                fi
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            fi
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        done
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    fi
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}
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remove_recursive() {
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    local DIR="$1"
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    local NEEDLE="$2"
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    if [ -d "$DIR" ]; then
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        rm -f "$DIR/"$NEEDLE
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        if ! foreachfile "$DIR" "${FUNCNAME[0]}" "$NEEDLE"; then
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            return 1
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        fi
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    fi
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}
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foreachfile() {
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    local FILE=$1
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    local COMMAND=$2
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    if [ ! -e "$FILE" ]; then
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        return 1
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    fi
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    if [ -d "$FILE" ]; then    
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        ls -1 "$FILE" | while read SUBFILE; do
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            if ! $COMMAND "$FILE/$SUBFILE" ${@:3}; then
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                return 1
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            fi
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        done
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    fi
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}
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sha512dir() {
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    local DIR="$1"
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    local INFO="$2"
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    local BASE=$(basename "$DIR")
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    [[ "$BASE" != ".git" ]] || return 0
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    [[ "$BASE" != *.po   ]] || return 0
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    if [ "$INFO" = "info" ]; then
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        basename "$DIR" || return 1
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        stat -c%F:%a:%s "$DIR" || return 1
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    fi
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    if [ -d "$DIR" ]; then
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        (foreachfile "$DIR" "${FUNCNAME[0]}" info | sha512sum -b | cut -c1-128) || return 1
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    elif [ -L "$DIR" ]; then
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        (readlink "$DIR" | sha512sum -b | cut -c1-128) || return 1
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    else
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        (sha512sum -b "$DIR" | cut -c1-128) || return 1
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    fi
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}
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copy_system_lib() {
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    local SRC_NAME=$1
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    local DST_PATH=$2
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    cp --remove-destination /lib/x86_64-linux-gnu/$SRC_NAME* "$DST_PATH" &> /dev/null
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    cp --remove-destination /lib/i386-linux-gnu/$SRC_NAME* "$DST_PATH" &> /dev/null
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    cp --remove-destination /usr/lib/x86_64-linux-gnu/$SRC_NAME* "$DST_PATH" &> /dev/null
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    cp --remove-destination /usr/lib/i386-linux-gnu/$SRC_NAME* "$DST_PATH" &> /dev/null
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    cp --remove-destination /usr/local/lib/$SRC_NAME* "$DST_PATH" &> /dev/null
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    cp --remove-destination /usr/local/lib64/$SRC_NAME* "$DST_PATH" &> /dev/null
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    cp --remove-destination /usr/local/lib/x86_64-linux-gnu/$SRC_NAME* "$DST_PATH" &> /dev/null
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    cp --remove-destination /usr/local/lib/i386-linux-gnu/$SRC_NAME* "$DST_PATH" &> /dev/null
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    if ! (ls "$DST_PATH/$SRC_NAME"* &> /dev/null); then
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        echo "$SRC_NAME not found in system libraries"
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        return 1
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    fi
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}
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copy_system_gcc_libs() {
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    local DST_PATH=$1
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    copy_system_lib libgcc      "$DST_PATH" || return 1
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    copy_system_lib libgomp     "$DST_PATH" || return 1
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    copy_system_lib libquadmath "$DST_PATH" || return 1
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    copy_system_lib libgfortran "$DST_PATH" || return 1
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    copy_system_lib libssp      "$DST_PATH" || return 1
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    copy_system_lib libstdc++   "$DST_PATH" || return 1
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}
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add_common_licenses() {
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    local FILE="$1"
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    local TARGET="$2"
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    local LIC_PATH="/usr/share/common-licenses"
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    [ -d "$LIC_PATH" ] || return 0
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    [[ ! "$FILE" = "$LIC_PATH/"* ]] || return 0
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    ls -d1 "$LIC_PATH/"* | while read SUB_FILE; do
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        if grep -q "$SUB_FILE" "$FILE"; then
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            add_license "$SUB_FILE" "$SUB_FILE" "$TARGET"
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        fi
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    done
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}
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add_license() {
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    local FILE="$1"
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    local FILE_IN_TITLE="$2"
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    local TARGET="$3"
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    if [ ! -z "$FILE_IN_TITLE" ]; then
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        echo ""                                      >> "$TARGET" || return 1
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        echo "-------------------------------------" >> "$TARGET" || return 1
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        echo "  File: $FILE_IN_TITLE"                >> "$TARGET" || return 1
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        echo "-------------------------------------" >> "$TARGET" || return 1
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        echo ""                                      >> "$TARGET" || return 1
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    else
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        echo ""                                      >> "$TARGET" || return 1
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        echo "-------------------------------------" >> "$TARGET" || return 1
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        echo ""                                      >> "$TARGET" || return 1
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    fi
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    cat "$FILE"                                      >> "$TARGET" || return 1
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    add_common_licenses "$FILE" "$TARGET" || return 1
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}
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copy_system_license() {
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    local SRC_NAMES=$1
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    local DST_PATH=$2
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    local SRC_NAME=
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    for SRC_NAME in $SRC_NAMES; do
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        rm -f "$DST_PATH/license-$SRC_NAME"
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    done
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    for SRC_NAME in $SRC_NAMES; do
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        local TARGET="$DST_PATH/license-$SRC_NAME"
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        for SUFFIX in "" {0..9} "-"; do
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            local SUB_NAME="$SRC_NAME$SUFFIX"
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            if [ ! -z "$SUFFIX" ]; then
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                SUB_NAME="$SUB_NAME*"
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            fi
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            for MASK in "/usr/share/doc/$SUB_NAME/copyright" \
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                        "/usr/share/licenses/$SUB_NAME" \
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                        "/usr/share/licenses/$SUB_NAME/*" \
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                        "/usr/share/doc/$SUB_NAME/*" \
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                        "/usr/local/share/doc/$SUB_NAME/copyright"
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            do
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                local FOUND=
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                ls -d1 $MASK 2>/dev/null | while read FILE; do
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                    if [ -f "$FILE" ] && [[ "$FILE" != *.bz2 ]]; then
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                        FOUND=1
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                        if ! add_license "$FILE" "$FILE" "$TARGET"; then
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                            echo "Cannot add license file: $FILE -> $TARGET";
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                            return 1
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                        fi
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                    fi
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                done
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                if [ ! -z "$FOUND" ]; then
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                    break
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                fi
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            done
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            if [ -z "$SUFFIX" ] && [ -f "$TARGET" ]; then
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                return 0
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            fi
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        done
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        if [ -f "$TARGET" ]; then
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            return 0
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        fi
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    done
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    echo "Cannot found any license for one of system packages: $SRC_NAMES (for $DST_PATH)"
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    return 1
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}
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