##
# File system helper fns
##

FS_SOURCE=remote;
FS_REMOTE_BRANCH=${DANGEROUSLY_CHANGE_REMOTE_BRANCH:-main}; # This variable allows the user to point towards a different remote branch by setting the variable "$DANGEROUSLY_CHANGE_REMOTE_BRANCH". The name of the user-facing variable has "DANGEROUSLY_CHANGE" prepended to it as changing the branch name to a commit or branch created by a bad actor can put their system at risk.
FS_LOCAL_ROOT=${PHS_ROOT};
if [ "$FS_LOCAL_ROOT" != "" ]; then FS_SOURCE=local; fi;

# This function prints a file from the repositories root. When running PHS locally, it uses the file system, otherwise it points to the latest main branch.
fs_cat() {
    if [ "$FS_SOURCE" == "local" ]; then
        FILE_PATH="${FS_LOCAL_ROOT}/$1"
        if [ -f "$FILE_PATH" ]; then
            cat "$FILE_PATH";
        fi;
    else if [ "$FS_SOURCE" == "remote" ]; then
        curl -s "https://raw.githubusercontent.com/tteck/Proxmox/${FS_REMOTE_BRANCH}/$1";
    fi;

    msg_error "Something went wrong while attempting to cat file: $1."
    echo -e "\nExiting..."
    sleep 2
    exit
}