Add support for Flatpak for Git updating (#274)

Co-authored-by: Ven <vendicated@riseup.net>

scripts/patcher/install.js

@@ -39,6 +39,7 @@ const {
     getDarwinDirs,
     getLinuxDirs,
     ENTRYPOINT,
+    question
 } = require("./common");
 
 switch (process.platform) {
@@ -62,15 +63,14 @@ async function install(installations) {
     // Attempt to give flatpak perms
     if (selected.isFlatpak) {
         try {
-            const { branch } = selected;
             const cwd = process.cwd();
-            const globalCmd = `flatpak override ${branch} --filesystem=${cwd}`;
-            const userCmd = `flatpak override --user ${branch} --filesystem=${cwd}`;
+            const globalCmd = `flatpak override ${selected.branch} --filesystem=${cwd}`;
+            const userCmd = `flatpak override --user ${selected.branch} --filesystem=${cwd}`;
             const cmd = selected.location.startsWith("/home")
                 ? userCmd
                 : globalCmd;
             execSync(cmd);
-            console.log("Successfully gave write perms to Discord Flatpak.");
+            console.log("Gave write perms to Discord Flatpak.");
         } catch (e) {
             console.log("Failed to give write perms to Discord Flatpak.");
             console.log(
@@ -79,6 +79,29 @@ async function install(installations) {
             );
             process.exit(1);
         }
+
+        const answer = await question(
+            `Would you like to allow ${selected.branch} to talk to org.freedesktop.Flatpak?\n` +
+            "This is essentially full host access but necessary to spawn git. Without it, the updater will not work\n" +
+            "Consider using the http based updater (using the gui installer) instead if you want to maintain the sandbox.\n" +
+            "[y/N]: "
+        );
+
+        if (["y", "yes", "yeah"].includes(answer.toLowerCase())) {
+            try {
+                const globalCmd = `flatpak override ${selected.branch} --talk-name=org.freedesktop.Flatpak`;
+                const userCmd = `flatpak override --user ${selected.branch} --talk-name=org.freedesktop.Flatpak`;
+                const cmd = selected.location.startsWith("/home")
+                    ? userCmd
+                    : globalCmd;
+                execSync(cmd);
+                console.log("Sucessfully gave talk permission");
+            } catch (err) {
+                console.error("Failed to give talk permission\n", err);
+            }
+        } else {
+            console.log(`Not giving full host access. If you change your mind later, you can run:\nflatpak override ${selected.branch} --talk-name=org.freedesktop.Flatpak`);
+        }
     }
 
     for (const version of selected.versions) {

src/ipcMain/updater/git.ts

@@ -28,10 +28,13 @@ const VENCORD_SRC_DIR = join(__dirname, "..");
 
 const execFile = promisify(cpExecFile);
 
+const isFlatpak = Boolean(process.env.FLATPAK_ID?.includes("discordapp") || process.env.FLATPAK_ID?.includes("Discord"));
+
 function git(...args: string[]) {
-    return execFile("git", args, {
-        cwd: VENCORD_SRC_DIR
-    });
+    const opts = { cwd: VENCORD_SRC_DIR };
+
+    if (isFlatpak) return execFile("flatpak-spawn", ["--host", "git", ...args], opts);
+    else return execFile("git", args, opts);
 }
 
 async function getRepo() {
@@ -61,9 +64,13 @@ async function pull() {
 }
 
 async function build() {
-    const res = await execFile("node", ["scripts/build/build.mjs"], {
-        cwd: VENCORD_SRC_DIR
-    });
+    const opts = { cwd: VENCORD_SRC_DIR };
+
+    let res;
+
+    if (isFlatpak) res = await execFile("flatpak-spawn", ["--host", "node", "scripts/build/build.mjs"], opts);
+    else res = await execFile("node", ["scripts/build/build.mjs"], opts);
+
     return !res.stderr.includes("Build failed");
 }