A small script to roll CodeMirror.

rollcm.sh

#!/bin/bash
set -e

function copyFiles
{
    cd $downstreamFolder
    for file in *.*; do
        fileName=$(basename $file)
        if [[ $fileName == $generatedFile ]]; then
            continue;
        fi
        updatedFile=$(find $upstreamFolder -name $fileName)
        if [[ -z $updatedFile ]]; then
            echo "NOT MATCHED $file"
            continue;
        fi
        cp $updatedFile $fileName
    done;
    cd $OLDPWD
}

function generateFile
{
    # Rolling headlesscodemirror.js
    runmodeStandaloneFileName="runmode-standalone.js"
    runmode=$(find $upstreamFolder -name $runmodeStandaloneFileName)
    if [[ -z $runmode ]]; then
        echo "Failed to update headlesscodemirror.js"
        exit 1;
    fi
    cd $downstreamFolder
    echo "// Content of the function is equal to $runmodeStandaloneFileName file
    // from CodeMirror distribution
    (function(window) {" > headlesscodemirror.js
    cat $runmode >> headlesscodemirror.js
    echo "}(this))" >> headlesscodemirror.js
    cd $OLDPWD
}


usage="$(basename $0) [roll|gen] <path-to-upstream-folder> <path-to-downstream-folder>"

if (( $# != 3 )); then
    echo $usage;
    exit 1;
fi

generatedFile="headlesscodemirror.js"
command=$1
upstreamFolder=$2
downstreamFolder=$3

if [[ $command == "roll" ]]; then
    copyFiles
    generateFile
elif [[ $command == "gen" ]]; then
    generateFile
else
    echo $usage
    exit 1
fi