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# shellcheck shell=bash
# this hook will symlink all dependencies found in ERL_LIBS
# since Elixir 1.12.2 elixir does not look into ERL_LIBS for
# elixir depencencies anymore, so those have to be symlinked to the _build directory
mkdir -p _build/"$MIX_ENV"/lib
while read -r -d ':' lib; do
for dir in "$lib"/*; do
# Strip version number for directory name if it exists, so naming of
# all libs matches what mix's expectation.
dest=$(basename "$dir" | cut -d '-' -f1)
build_dir="_build/$MIX_ENV/lib/$dest"
((MIX_DEBUG == 1)) && echo "Linking $dir to $build_dir"
# Symlink libs to _build so that mix can find them when compiling.
# This is what allows mix to compile the package without searching
# for dependencies over the network.
ln -s "$dir" "$build_dir"
done
done <<< "$ERL_LIBS:"
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