crosvm: get rid of upstream-info.json

This was important when building crosvm required assembling our own
build tree from lots of different repositories, but now that they've
moved to submodules, it's overly complicated and needlessly
inconsistent with the rest of Nixpkgs.

pkgs/applications/virtualization/crosvm/default.nix

@@ -3,15 +3,16 @@
 , libcap, libdrm, libepoxy, minijail, virglrenderer, wayland, wayland-protocols
 }:
 
-let
-  upstreamInfo = with builtins; fromJSON (readFile ./upstream-info.json);
-in
-
 rustPlatform.buildRustPackage rec {
   pname = "crosvm";
-  inherit (upstreamInfo) version;
+  version = "103.3";
 
-  src = fetchgit (builtins.removeAttrs upstreamInfo.src [ "date" "path" ]);
+  src = fetchgit {
+    url = "https://chromium.googlesource.com/crosvm/crosvm";
+    rev = "e7db3a5cc78ca90ab06aadd5f08bb151090269b6";
+    sha256 = "0hyz0mg5fn6hi97awfpxfykgv68m935r037sdf85v3vcwjy5n5ki";
+    fetchSubmodules = true;
+  };
 
   separateDebugInfo = true;
 

pkgs/applications/virtualization/crosvm/update.py

@@ -1,5 +1,5 @@
 #! /usr/bin/env nix-shell
-#! nix-shell -p nix-prefetch-git python3
+#! nix-shell -p common-updater-scripts python3
 #! nix-shell -i python
 
 import csv
@@ -36,33 +36,27 @@ chrome_major_version = chrome_version[0]
 chromeos_tip_build = platform_version[0]
 release_branch = f'release-R{chrome_major_version}-{chromeos_tip_build}.B-chromeos'
 
+# Determine the git revision.
+with urlopen(f'https://chromium.googlesource.com/chromiumos/platform/crosvm/+/refs/heads/{release_branch}?format=JSON') as resp:
+    resp.readline() # Remove )]}' header
+    rev = json.load(resp)['commit']
+
 # Determine the patch version by counting the commits that have been
 # added to the release branch since it forked off the chromeos branch.
-with urlopen(f'https://chromium.googlesource.com/chromiumos/platform/crosvm/+log/refs/heads/chromeos..refs/heads/{release_branch}?format=JSON') as resp:
+with urlopen(f'https://chromium.googlesource.com/chromiumos/platform/crosvm/+log/refs/heads/chromeos..{rev}?format=JSON') as resp:
     resp.readline() # Remove )]}' header
     branch_commits = json.load(resp)['log']
-    data = {'version': f'{chrome_major_version}.{len(branch_commits)}'}
+    version = f'{chrome_major_version}.{len(branch_commits)}'
 
-# Fill in the 'src' key with the output from nix-prefetch-git, which
-# can be passed straight to fetchGit when imported by Nix.
-argv = ['nix-prefetch-git',
-        '--fetch-submodules',
-        '--url', 'https://chromium.googlesource.com/crosvm/crosvm',
-        '--rev', f'refs/heads/{release_branch}']
-output = subprocess.check_output(argv)
-data['src'] = json.loads(output.decode('utf-8'))
+# Update the version, git revision, and hash in crosvm's default.nix.
+subprocess.run(['update-source-version', 'crosvm', f'--rev={rev}', version])
 
-# Find the path to crosvm's default.nix, so the src data can be
-# written into the same directory.
+# Find the path to crosvm's default.nix, so Cargo.lock can be written
+# into the same directory.
 argv = ['nix-instantiate', '--eval', '--json', '-A', 'crosvm.meta.position']
 position = json.loads(subprocess.check_output(argv).decode('utf-8'))
 filename = re.match(r'[^:]*', position)[0]
 
-# Write the output.
-with open(dirname(filename) + '/upstream-info.json', 'w') as out:
-    json.dump(data, out, indent=2)
-    out.write('\n')
-
 # Generate a Cargo.lock
 run = ['.',
        dirname(abspath(__file__)) + '/generate-cargo.sh',

pkgs/applications/virtualization/crosvm/upstream-info.json

@@ -1,14 +0,0 @@
-{
-  "version": "103.3",
-  "src": {
-    "url": "https://chromium.googlesource.com/crosvm/crosvm",
-    "rev": "e7db3a5cc78ca90ab06aadd5f08bb151090269b6",
-    "date": "2022-06-01T00:13:12+00:00",
-    "path": "/nix/store/r08jyffmjdq38f8yy57v8wgfjiil6586-crosvm",
-    "sha256": "0hyz0mg5fn6hi97awfpxfykgv68m935r037sdf85v3vcwjy5n5ki",
-    "fetchLFS": false,
-    "fetchSubmodules": true,
-    "deepClone": false,
-    "leaveDotGit": false
-  }
-}