Basic polyglot plugin crap

manifest.yml

@@ -6,13 +6,47 @@ plugins:
     run: '{plugin_dir}/echo.sh'
     # this is the default installCommand, so we don't really need to specify it
     installCommand: ['git', 'clone', '{remote}', '{plugin_dir}']
+    preInstallCommand: ['bash', '-c', 'echo "is this thing on?"']
+    # postInstallCommand: 
     # none of these work, but wouldn't be tough to implement if needed
-    # preInstallCommand:
     # may also want to checkout a provided version tag and copy contents
     # and only clone to a "plugin-repos" dir
     # might want to omit git history, too?
-    # postInstallCommand: 
 
   shutup:
     remote: 'https://git.lyte.dev/lytedev/shutup-cli-plugin'
     run: '{plugin_dir}/shutup.sh'
+
+  'go-hello-world':
+    preInstallCommand:
+      # install golang using asdf
+      # if we wanted, we could have an asdf plugin and install it here like
+      # poc-cli install-plugin asdf
+      # and it would make sure the shell and everything is ready to go
+      - 'bash'
+      - '-c'
+      - 'asdf plugin-add golang; asdf install golang latest; asdf global golang latest; curl -o /tmp/hello-world.go https://raw.githubusercontent.com/mmcgrana/gobyexample/master/examples/hello-world/hello-world.go'
+    installCommand:
+      - bash
+      - '-c'
+      - 'cd {plugin_dir} && go build /tmp/hello-world.go'
+    run: '{plugin_dir}/hello-world'
+
+  'elixir-hello-jason':
+    preInstallCommand:
+      # obviously, installing elixir and erlang through asdf can be a little
+      # hairy in the real world, but a contrived example suits this
+      # proof-of-concept just fine
+      - 'bash'
+      - '-c'
+      - 'asdf plugin-add erlang; asdf plugin-add elixir; asdf install erlang latest; asdf install elixir latest; asdf global erlang latest; asdf global elixir latest'
+    installCommand:
+      - bash
+      - '-c'
+      # remember, instead of installing :jason, we might install internal libraries!
+      - 'printf "%s\n%s" "Mix.install([:jason])" "IO.puts(Jason.encode!(%{hello: :world}))" > {plugin_dir}/script.exs'
+    run:
+      - elixir 
+      - '{plugin_dir}/script.exs'
+
+    # in the real world, most of these scripts would probably live within the plugin themselves to be easier to write

readme.md

@@ -1,3 +1,41 @@
+# CLI Proof-of-Concept
+
+## Known Issues
+
+- The plugin directory being present doesn't _really_ mean it's "installed" ;P
+
+## Compile
+
+```sh
+deno compile -A -o poc-cli src/core.ts
+```
+
+You can cross-compile, too. See `deno compile --help` for `--target`.
+
+## Install
+
+I dunno, but probably something like this:
+
+```sh
+sudo mv poc-cli /usr/bin
+sudo chown root:root /usr/bin/poc-cli
+sudo chmod 755 /usr/bin/poc-cli
+```
+
+## Usage
+
+It's self-documenting!
+
+```
+poc-cli
+```
+
+-----
+
+# Notes Below!
+
+-----
+
 # Pluggable CLI
 
 - Each subcommand is a plugin?

src/core.ts

@@ -1,7 +1,8 @@
 import {yaml, fs, path, xdg} from "./deps.ts"
 
-const MANIFEST_URL = "https://git.lyte.dev/lytedev/pluggable-cli-deno/raw/branch/master/manifest.yml"
-const PLUGINS_DIR = path.join(xdg.cache(), "/cli-poc-installed-plugins")
+// const MANIFEST_URL = "https://git.lyte.dev/lytedev/pluggable-cli-deno/raw/branch/master/manifest.yml"
+const MANIFEST_URL = "file:///home/daniel/code/pluggable-cli/manifest.yml"
+const PLUGINS_DIR = path.join(xdg.cache(), "/poc-cli-installed-plugins")
 
 fs.ensureDir(PLUGINS_DIR)
 
@@ -19,14 +20,20 @@ for await (const dir of Deno.readDir(PLUGINS_DIR)) {
 }
 // console.debug(manifest)
 
+async function showConfig() {
+	console.info("MANIFEST_URL:", MANIFEST_URL)
+	console.info("PLUGINS_DIR:", PLUGINS_DIR)
+}
+
 async function usage() {
-	console.info("cli-poc: a CLI proof-of-concept")
+	console.info("poc-cli: a CLI proof-of-concept")
 	console.info("  -h, --help: Show usage")
 	console.info("  install-plugin <plugin-name>")
 	console.info("  update-plugin <plugin-name>")
 	console.info("  remove-plugin <plugin-name>")
 	console.info("  ensure-plugin <plugin-name>")
 	console.info("  list-plugins")
+	console.info("  show-config")
 }
 
 async function listPlugins() {
@@ -37,8 +44,23 @@ async function listPlugins() {
 	}
 }
 
-async function installedPlugins() {
-
+async function runCommandAndMaybeExit(cmd: string[] | string, additionalOptions?: Partial<Deno.RunOptions>) {
+	if (typeof cmd === 'string') {
+		cmd = [cmd]
+	}
+	const opts = Object.assign({
+		stdout: "piped",
+		stderr: "piped",
+		cmd
+	}, additionalOptions)
+	// console.debug(opts)
+	const runner = Deno.run(opts)
+	const status = await runner.status()
+	if (status.code != 0) {
+		console.error(`Command ${JSON.stringify(cmd)} failed:\n${new TextDecoder().decode(await runner.output())}\n${new TextDecoder().decode(await runner.stderrOutput())}`)
+		Deno.exit(status.code)
+	}
+	return runner
 }
 
 async function installPlugin(pluginName: string) {
@@ -47,25 +69,25 @@ async function installPlugin(pluginName: string) {
 		console.error(`plugin ${pluginName} has no entry`)
 		Deno.exit(1)
 	}
-	const cmd = (pluginManifestData.installCommand || ["git", "clone", pluginManifestData.remote, pluginName]).map((segment: string) =>
+
+	if (pluginManifestData.preInstallCommand) {
+		await runCommandAndMaybeExit(pluginManifestData.preInstallCommand)
+	}
+
+	const cmd = (pluginManifestData.installCommand || ["git", "clone", "{remote}", "{plugin_dir}"]).map((segment: string) =>
 		segment
 			.replace('{remote}', pluginManifestData.remote)
 			.replace('{plugin_dir}', path.join(PLUGINS_DIR, pluginName))
 	)
 
-	console.debug(cmd)
+	fs.ensureDir(path.join(PLUGINS_DIR, pluginName))
+	const result = await runCommandAndMaybeExit(cmd)
 
-	const installCommand = Deno.run({
-		stdout: "piped",
-		stderr: "piped",
-		cmd
-	})
-	const status = await installCommand.status()
-	if (status.code != 0) {
-		console.error(`Installing plugin using command ${cmd} failed:\n${new TextDecoder().decode(await installCommand.output())}\n${new TextDecoder().decode(await installCommand.stderrOutput())}`)
-		Deno.exit(status.code)
+	if (pluginManifestData.postInstallCommand) {
+		await runCommandAndMaybeExit(pluginManifestData.postInstallCommand)
 	}
-	return installCommand
+
+	return result
 }
 
 async function deletePlugin(pluginName: string) {
@@ -79,14 +101,14 @@ async function updatePlugin(pluginName: string) {
 }
 
 async function ensurePlugin(pluginName: string) {
-	if (manifest.plugins[subcommand].installed !== true) {
+	if (!manifest.plugins[subcommand].installed) {
 		// console.warn(`Installing missing ${subcommand} plugin...`)
 		await installPlugin(subcommand)
 	}
 }
 
 const subcommand = Deno.args[0]
-if (Deno.args.includes("-h") || subcommand == "help" || subcommand == "" || Deno.args.includes("--help")) {
+if (Deno.args.includes("-h") || subcommand == "help" || subcommand == "" || Deno.args.includes("--help") || Deno.args.length < 1) {
 	usage()
 } else if (subcommand == "update-plugin") {
 	await updatePlugin(Deno.args[1])
@@ -98,11 +120,11 @@ if (Deno.args.includes("-h") || subcommand == "help" || subcommand == "" || Deno
 	await installPlugin(Deno.args[1])
 } else if (subcommand == "list-plugins") {
 	listPlugins()
+} else if (subcommand == "show-config") {
+	showConfig()
 } else {
 	await ensurePlugin(subcommand)
-	const subcommandCommand = Deno.run({
-		cmd: [manifest.plugins[subcommand].run.replace("{plugin_dir}", path.join(PLUGINS_DIR, subcommand))].concat(Deno.args.slice(1))
-	})
-	const status = await subcommandCommand.status()
-	if (status.code != 0) Deno.exit(status.code)
+	const cmd = (typeof manifest.plugins[subcommand].run === 'string' ?
+		[manifest.plugins[subcommand].run] : manifest.plugins[subcommand].run).map((segment: string) => segment.replace("{plugin_dir}", path.join(PLUGINS_DIR, subcommand)))
+	await runCommandAndMaybeExit(cmd.concat(Deno.args.slice(1)), {stdout: "inherit", stderr: "inherit"})
 }