REF: extract as script setup_build_env.sh

which enables using also outside of GitHub Actions.

.github/workflows/main.yml

@@ -17,50 +17,13 @@ jobs:
  ]
  steps:
  - uses: actions/checkout@v2
- - name: Install APT packages
- run: |
- sudo apt install \
- graphviz
  - name: Set up Python ${{ matrix.python-version }}
  uses: actions/setup-python@v2
  with:
  python-version: ${{ matrix.python-version }}
- - name: Update Python environment
- run: |
- pip install --upgrade pip setuptools
- - name: Install setup dependencies
- run: |
- # note that installing from `requirements.txt`
- # would also install packages that
- # may be absent from where `dd` will be installed
- pip install cython
- - name: Display version of GraphViz `dot`
- run: |
- dot -V
- - name: Install `sylvan`
+ - name: Prepare installation environment
  run: |
- # download
- curl -L \
- https://github.com/utwente-fmt/sylvan/tarball/v1.0.0 \
- -o sylvan.tar.gz
- # checksum
- echo "9877fe07a8cfe9889152e29624a4c5b283\
- cb34672ec524ccb3edb313b3057fbf8ef45622a4\
- 9796fae17aa24e0baea5ccfa18f1bc5923e3c552\
- 45ab3e3c1927c8 sylvan.tar.gz" | shasum -a 512 -c -
- # unpack
- mkdir sylvan
- tar xzf sylvan.tar.gz -C sylvan --strip=1
- cd sylvan
- autoreconf -fi
- ./configure
- make
- export LD_LIBRARY_PATH=`pwd`/src/.libs:$LD_LIBRARY_PATH
- echo $LD_LIBRARY_PATH
- # store values to use in later steps for
- # environment variables
- echo "LD_LIBRARY_PATH=$LD_LIBRARY_PATH" \
- >> $GITHUB_ENV
+ ./.github/workflows/setup_build_env.sh
  - name: Install `dd`
  run: |
  set -o posix

.github/workflows/setup_build_env.sh

@@ -0,0 +1,45 @@
+#!/usr/bin/env bash
+
+
+# Prepare environment for building `dd`.
+
+
+set -x
+set -e
+sudo apt install \
+ graphviz
+dot -V
+pip install --upgrade \
+ pip \
+ setuptools
+# note that installing from `requirements.txt`
+# would also install packages that
+# may be absent from where `dd` will be installed
+pip install cython
+#
+# install `sylvan`
+# download
+curl -L \
+https://github.com/utwente-fmt/sylvan/tarball/v1.0.0 \
+-o sylvan.tar.gz
+# checksum
+echo "9877fe07a8cfe9889152e29624a4c5b283\
+cb34672ec524ccb3edb313b3057fbf8ef45622a4\
+9796fae17aa24e0baea5ccfa18f1bc5923e3c552\
+45ab3e3c1927c8 sylvan.tar.gz" | shasum -a 512 -c -
+# unpack
+mkdir sylvan
+tar xzf sylvan.tar.gz -C sylvan --strip=1
+pushd sylvan
+autoreconf -fi
+./configure
+make
+export LD_LIBRARY_PATH=`pwd`/src/.libs:$LD_LIBRARY_PATH
+echo $LD_LIBRARY_PATH
+if [[ -z "${DEPLOY_ENV}" ]]; then
+ # store values to use in later steps for
+ # environment variables
+ echo "LD_LIBRARY_PATH=$LD_LIBRARY_PATH" \
+ >> $GITHUB_ENV
+fi
+popd