concourse-ssh-resource/check

#!/usr/bin/env sh

set -e

. ./common

fetch_file_infos() {
    files_file="$(mktemp -tp /tmp)"
ssh -F "$CONFIG_PATH" "$HOSTNAME" sh -s << EOF > "$files_file"
    files="$(get_files)"
    echo "\$files" | while read -r file; do
        echo "\$file"
        [ -e "\$file" ] && echo true || echo false
        [ -e "\$file" ] && echo "\$(stat --format=%Y "\$file")" || echo
    done
EOF
    echo "$files_file"
    return 0
}

_compute_version() {
    echo "["
    last_line=
    line_file=
    line_exists=
    line_modify=
    while read -r line; do
        if [ -z "$line_file" ]; then
            line_file="$line"
        elif [ -z "$line_exists" ]; then
            line_exists="$line"
        elif [ -z "$line_modify" ]; then
            line_modify="$line"
        else
            if "$line_exists"; then
                echo '{"path":' "\"$line_file\"," '"modify":' "$line_modify" '}',
            fi
            line_file="$line"
            line_exists=
            line_modify=
        fi
    done < "$1"
    if [ -n "$line_file" ] && [ -n "$line_exists" ] && [ -n "$line_modify" ] && "$line_exists"; then
        echo '{"path":' "\"$line_file\"," '"modify":' "$line_modify" '}'
    fi
    echo "]"
}

compute_version() {
    _compute_version "$@" | jq -r tostring
}

compute_version "$(fetch_file_infos)"