46 lines
2 KiB
Bash
46 lines
2 KiB
Bash
preConfigureHooks+=(_setupPubCache)
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_setupPubCache() {
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deps="@deps@"
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# Configure the package cache.
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export PUB_CACHE="$(mktemp -d)"
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mkdir -p "$PUB_CACHE"
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if [ -d "$deps/cache/.pub-cache/git" ]; then
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# Link the Git package cache.
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mkdir -p "$PUB_CACHE/git"
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ln -s "$deps/cache/.pub-cache/git"/* "$PUB_CACHE/git"
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# Recreate the internal Git cache subdirectory.
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# See: https://github.com/dart-lang/pub/blob/c890afa1d65b340fa59308172029680c2f8b0fc6/lib/src/source/git.dart#L339)
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# Blank repositories are created instead of attempting to match the cache mirrors to checkouts.
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# This is not an issue, as pub does not need the mirrors in the Flutter build process.
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rm "$PUB_CACHE/git/cache" && mkdir "$PUB_CACHE/git/cache"
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for mirror in $(ls -A "$deps/cache/.pub-cache/git/cache"); do
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git --git-dir="$PUB_CACHE/git/cache/$mirror" init --bare --quiet
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done
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fi
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# Link the remaining package cache directories.
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# At this point, any subdirectories that must be writable must have been taken care of.
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for file in $(comm -23 <(ls -A "$deps/cache/.pub-cache") <(ls -A "$PUB_CACHE")); do
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ln -s "$deps/cache/.pub-cache/$file" "$PUB_CACHE/$file"
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done
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# ensure we're using a lockfile for the right package version
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if [ ! -e pubspec.lock ]; then
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cp -v "$deps/pubspec/pubspec.lock" .
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# Sometimes the pubspec.lock will get opened in write mode, even when offline.
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chmod u+w pubspec.lock
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elif ! { diff -u pubspec.lock "$deps/pubspec/pubspec.lock" && diff -u pubspec.yaml "$deps/pubspec/pubspec.yaml"; }; then
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echo 1>&2 -e 'The pubspec.lock or pubspec.yaml of the project derivation differs from the one in the dependency derivation.' \
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'\nYou most likely forgot to update the vendorHash while updating the sources.'
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exit 1
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fi
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}
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# Performs the given pub get command with an appropriate environment.
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doPubGet() {
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PATH="@gitSourceWrapper@/bin:$PATH" "$@"
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}
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