tjh.dev
nixpkgs mirror (for testing)
github.com/NixOS/nixpkgs
nix
1yarnConfigHook() {
2 echo "Executing yarnConfigHook"
3
4 # Use a constant HOME directory
5 export HOME=$(mktemp -d)
6 if [[ -n "$yarnOfflineCache" ]]; then
7 offlineCache="$yarnOfflineCache"
8 fi
9 if [[ -z "$offlineCache" ]]; then
10 echo yarnConfigHook: No yarnOfflineCache or offlineCache were defined\! >&2
11 exit 2
12 fi
13
14 local -r cacheLockfile="$offlineCache/yarn.lock"
15 local -r srcLockfile="$PWD/yarn.lock"
16
17 echo "Validating consistency between $srcLockfile and $cacheLockfile"
18
19 if ! @diff@ "$srcLockfile" "$cacheLockfile"; then
20 # If the diff failed, first double-check that the file exists, so we can
21 # give a friendlier error msg.
22 if ! [ -e "$srcLockfile" ]; then
23 echo
24 echo "ERROR: Missing yarn.lock from src. Expected to find it at: $srcLockfile"
25 echo "Hint: You can copy a vendored yarn.lock file via postPatch."
26 echo
27
28 exit 1
29 fi
30
31 if ! [ -e "$cacheLockfile" ]; then
32 echo
33 echo "ERROR: Missing lockfile from cache. Expected to find it at: $cacheLockfile"
34 echo
35
36 exit 1
37 fi
38
39 echo
40 echo "ERROR: fetchYarnDeps hash is out of date"
41 echo
42 echo "The yarn.lock in src is not the same as the in $offlineCache."
43 echo
44 echo "To fix the issue:"
45 echo '1. Use `lib.fakeHash` as the fetchYarnDeps hash value'
46 echo "2. Build the derivation and wait for it to fail with a hash mismatch"
47 echo "3. Copy the 'got: sha256-' value back into the fetchYarnDeps hash field"
48 echo
49
50 exit 1
51 fi
52
53 yarn config --offline set yarn-offline-mirror "$offlineCache"
54 fixup-yarn-lock yarn.lock
55 yarn install \
56 --frozen-lockfile \
57 --force \
58 --production=false \
59 --ignore-engines \
60 --ignore-platform \
61 --ignore-scripts \
62 --no-progress \
63 --non-interactive \
64 --offline
65
66 # TODO: Check if this is really needed
67 patchShebangs node_modules
68
69 echo "finished yarnConfigHook"
70}
71
72if [[ -z "${dontYarnInstallDeps-}" ]]; then
73 postConfigureHooks+=(yarnConfigHook)
74fi