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flutter: Remove cached Git package Git directories

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Pub does not perform any Git operations on the cached package directly, instead cloning it through a mirror.

The .git directories are not needed, and are a source of non-determinism.
This commit is contained in:
hacker1024 2023-04-15 20:30:46 +10:00
parent c3a87421ae
commit f00f918e27
1 changed files with 7 additions and 8 deletions
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15
pkgs/build-support/flutter/default.nix
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@ -29,8 +29,6 @@ let
dontBuild = true;
installPhase = ''
. ${../fetchgit/deterministic-git}
TMP=$(mktemp -d)
export HOME="$TMP"
@ -50,17 +48,18 @@ let
# nuke nondeterminism
# deterministic git repos
find "$PUB_CACHE" -iname .git -type d | while read -r repoGit; do
make_deterministic_repo "$(dirname "$repoGit")"
done
# Remove Git directories in the Git package cache - these are rarely used by Pub,
# which instead maintains a corresponsing mirror and clones cached packages through it.
find "$PUB_CACHE" -name .git -type d -prune -exec rm -rf {} +
# Impure package cache files
# Remove continuously updated package metadata caches
rm -rf "$PUB_CACHE"/hosted/*/.cache # Not pinned by pubspec.lock
rm -rf "$PUB_CACHE"/git/cache/*/* # Recreate this on the other end. See: https://github.com/dart-lang/pub/blob/c890afa1d65b340fa59308172029680c2f8b0fc6/lib/src/source/git.dart#L531
# Miscelaneous transient package cache files
rm -f "$PUB_CACHE"/README.md # May change with different Dart versions
rm -rf "$PUB_CACHE"/_temp # https://github.com/dart-lang/pub/blob/c890afa1d65b340fa59308172029680c2f8b0fc6/lib/src/system_cache.dart#L131
rm -rf "$PUB_CACHE"/log # https://github.com/dart-lang/pub/blob/c890afa1d65b340fa59308172029680c2f8b0fc6/lib/src/command.dart#L348
rm -rf "$PUB_CACHE"/git/cache/*/* # Recreate this on the other end. See: https://github.com/dart-lang/pub/blob/c890afa1d65b340fa59308172029680c2f8b0fc6/lib/src/source/git.dart#L531
'';
GIT_SSL_CAINFO = "${cacert}/etc/ssl/certs/ca-bundle.crt";