nixpkgs/pkgs/tools/graphics/ploticus/builder.sh

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source $stdenv/setup
preBuild() {
cd src
}
preInstall() {
ensureDir $out/bin
}
postInstall() {
# Install the "prefabs".
ensureDir $out/share/ploticus/prefabs && \
cd .. && \
cp -rv prefabs/* $out/share/ploticus/prefabs
# Create a wrapper that knows where to find them. Debian's package
# does something similar by patching directly the C file that looks
# for `$PLOTICUS_PREFABS'.
cat > $out/bin/ploticus <<EOF
#! $SHELL -e
PLOTICUS_PREFABS="$out/share/ploticus/prefabs"
export PLOTICUS_PREFABS
exec "$out/bin/pl" \$@
EOF
chmod +x $out/bin/ploticus
# Install the man pages.
cp -rv man $out
ln -s "$out/man/man1/pl.1" "$out/man/man1/ploticus.1"
}
genericBuild