Update

1 files changed, 54 insertions, 0 deletions

diff --git a/commands/purge.js b/commands/purge.js
new file mode 100644
index 0000000..6c15feb
--- /dev/null
+++ b/commands/purge.js
@@ -0,0 +1,54 @@
+module.exports = async (argv) => {
+    const installed = JSON.parse(fs.readFileSync(home + "/installed.json").toString());
+    if (!installed.map(i => i.id).includes(argv.package)) {
+        die(c.red("error: ") + "package '" + argv.package + "' is not installed");
+    }
+
+    let spinner = ora("Reading package lists...").start();
+    let packages = JSON.parse(fs.readFileSync(home + "/repository/list.json").toString());
+    spinner.succeed("Reading packages lists... done");
+
+    let dir = argv.package.substring(0, 1).replace(/[^a-zA-Z0-9]/gm, "#");
+
+    if (!packages.includes(argv.package)) {
+        console.log(c.yellow("warn: ") + "package '" + argv.package + "' not in repository anymore");
+        name = argv.package;
+    } else {
+        name = JSON.parse(fs.readFileSync(home + "/repository/" + dir + "/" + argv.package + ".json").toString()).name;
+    }
+
+    instInfo = installed.filter(i => i.id === argv.package)[0];
+
+    console.log("  Purging '" + name + "'...")
+    console.log("      version:   " + instInfo.version);
+    console.log("      installed: " + moment(instInfo.date).fromNow());
+
+    try {
+        if (!(await prompts.confirm({
+            message: "Purging this package will delete all associated data. Are you sure you want to continue?",
+            initial: false
+        }))) {
+            die();
+        }
+    } catch (e) {
+        die();
+    }
+
+    spinner = ora("Reading files list...").start();
+    files1 = instInfo.files;
+    files2 = require('../hooks/files')(instInfo.id);
+    filesR = files2.filter(f => !files1.includes(f));
+    spinner.succeed("Reading files list... done");
+    if (filesR.length === 0) {
+        die(c.red("error: ") + "this installation of package '" + argv.package + "' cannot be purged, use 'twi reinstall' instead");
+    }
+
+    spinner = ora("Removing user files...").start();
+    let index = 0
+    for (let file of filesR) {
+        spinner.text = "Removing user files... " + Math.round((index / filesR.length) * 100) + "%";
+        fs.rmSync(home + "/packages/" + argv.package + "/" + file);
+        index++;
+    }
+    spinner.succeed("Removing user files... done");
+}
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