Make a playground with access to an SPM library ready for importing

make-spm-playground.sh

#!/usr/bin/env bash

set -eux

PROJ_NAME=myproj2
PKG_URL=https://github.com/johnsundell/plot.git
PKG_FROM=0.1.0
LIB_NAME=Plot
SWIFT_VERSION=5.1.3
PLATFORM=macos

rm -rf $PROJ_NAME
mkdir $PROJ_NAME
cd $PROJ_NAME
swiftenv local $SWIFT_VERSION
swift package init

# add package
cat <<EOF > Package.swift
// swift-tools-version:5.1
import PackageDescription

let package = Package(
    name: "$PROJ_NAME",
    products: [
        .library(name: "$PROJ_NAME", targets: ["$PROJ_NAME"]),
    ],
    dependencies: [
        .package(url: "$PKG_URL", from: "$PKG_FROM")
    ],
    targets: [
        .target(name: "$PROJ_NAME", dependencies: ["$LIB_NAME"]),
    ]
)
EOF

# generate xcodeproj
swift package generate-xcodeproj

# make workspace
mkdir $PROJ_NAME.xcworkspace
cat <<EOF > $PROJ_NAME.xcworkspace/contents.xcworkspacedata
<?xml version="1.0" encoding="UTF-8"?>
<Workspace
   version = "1.0">
   <FileRef
      location = "group:MyPlayground.playground">
   </FileRef>
   <FileRef
      location = "container:$PROJ_NAME.xcodeproj">
   </FileRef>
</Workspace>
EOF

# add playground
mkdir MyPlayground.playground
echo "import $LIB_NAME" > MyPlayground.playground/Contents.swift
cat <<EOF > MyPlayground.playground/contents.xcplayground
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<playground version='5.0' target-platform='$PLATFORM'>
    <timeline fileName='timeline.xctimeline'/>
</playground>
EOF

open $PROJ_NAME.xcworkspace