Add command for flashing postmarketOS

.gitignore

@@ -3,3 +3,4 @@
 /flashing/
 /debug/
 /tools/
+/.cache/

dev/default.nix

@@ -4,13 +4,78 @@
     pkgs,
     ...
   }: {
-    devShells.default = pkgs.mkShell {
-      packages = with pkgs; [
-        android-tools
-        (python3.withPackages (pypi: with pypi; [
-          libfdt
-        ]))
-      ];
-    };
+    devShells.default =
+      let
+        lineageBuildZipUrl = "https://mirrorbits.lineageos.org/full/a71/20241225/lineage-21.0-20241225-nightly-a71-signed.zip";
+        lineageBuildZip = pkgs.fetchurl {
+            url = lineageBuildZipUrl;
+            hash = "sha256-G+ibXe1crfhFnB2sfSKtI4XDx1qysMj75H7aTJcUUm0=";
+          };
+        lineageBuildZipContent = pkgs.fetchzip {
+            url = lineageBuildZipUrl;
+            hash = "sha256-nBn26btXmW5u1oYCqucAbk6ixzMxGNapuMofBisv56o=";
+            stripRoot = false;
+          };
+        magiskApk = pkgs.fetchurl {
+            url = "https://github.com/topjohnwu/Magisk/releases/download/v28.1/Magisk-v28.1.apk";
+            hash = "sha256-i/0zRrPaWBT4Lv9vGxtf7dCtWF85olcJsj61SqxFaR0=";
+          };
+        emptyDtbo = pkgs.runCommand "empty-dtbo" {} ''
+            mkdir $out
+            dd if=/dev/zero of=$out/empty_dtbo.img count=1
+            ${pkgs.android-tools}/bin/avbtool add_hash_footer --partition_name dtbo --partition_size 2621440 --image $out/empty_dtbo.img
+          '';
+        # rootDir = builtins.toString ./..;
+      in
+      pkgs.mkShell {
+        packages = with pkgs; [
+          (python3.withPackages (pypi: with pypi; [
+            libfdt
+          ]))
+          (writeShellScriptBin "flash-lineage-magisk" ''
+            rootDir="." # Assume PWD as root for now
+            lineageBootImg="$rootDir/.cache/lineageos-magisk-boot.img"
+
+            if [[ ! -e "$lineageBootImg" ]]; then
+              echo "Wait for Android to have fully booted and ensure USB debugging is enabled."
+              read -p "Press enter to continue..."
+
+              mkdir -p "$rootDir/.cache"
+              installedMagisk=$(adb shell pm list packages com.topjohnwu.magisk)
+              if [[ -z "$installedMagisk" ]]; then
+                echo "Magisk not found on device. Installing now..."
+                adb sideload "${magiskApk}"
+              fi
+
+              adb push "${lineageBuildZipContent}/boot.img" "/storage/emulated/0/Download/lineageos-boot.img"
+              echo "Launching Magisk. Patch the boot image located in the downloads directory."
+              adb shell monkey -p com.topjohnwu.magisk 1
+              read -p "Press enter to continue..."
+
+              adb shell 'cp /storage/emulated/0/Download/magisk_patched*.img /storage/emulated/0/Download/magisk-boot.img'
+              sleep 1
+              adb shell 'rm /storage/emulated/0/Download/magisk_patched*.img'
+              adb pull "/storage/emulated/0/Download/magisk-boot.img" "$lineageBootImg"
+            fi
+
+            echo "Boot into download mode."
+            read -p "Press enter to continue..."
+            heimdall flash --BOOT "$lineageBootImg"
+          '')
+          (writeShellScriptBin "flash-lineage" ''
+            echo "Installing LineageOS..."
+            adb sideload ${lineageBuildZip}
+
+            flash-lineage-magisk
+          '')
+          (writeShellScriptBin "flash-postmarketos" ''
+            echo "Installing postmarketOS..."
+            heimdall flash \
+                --no-reboot \
+                --DTBO ${emptyDtbo}/empty_dtbo.img
+            pmbootstrap flasher --method heimdall-bootimg --resume flash_kernel
+          '')
+        ];
+      };
   };
 }

flake.lock

@@ -20,16 +20,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1733759999,
-        "narHash": "sha256-463SNPWmz46iLzJKRzO3Q2b0Aurff3U1n0nYItxq7jU=",
-        "owner": "nixos",
+        "lastModified": 1734991663,
+        "narHash": "sha256-8T660guvdaOD+2/Cj970bWlQwAyZLKrrbkhYOFcY1YE=",
+        "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "a73246e2eef4c6ed172979932bc80e1404ba2d56",
+        "rev": "6c90912761c43e22b6fb000025ab96dd31c971ff",
         "type": "github"
       },
       "original": {
-        "owner": "nixos",
-        "ref": "nixos-unstable",
+        "owner": "NixOS",
+        "ref": "nixos-24.11",
         "repo": "nixpkgs",
         "type": "github"
       }

flake.nix

@@ -2,7 +2,7 @@
   description = "A very basic flake";
 
   inputs = {
-    nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.11";
     flake-parts.url = "github:hercules-ci/flake-parts";
   };