introduce a install-conjure action (#205)

* and again!

* CI: make install-conjure an action

* CI: Another hyphen typo

* Another hypen!

* Fix typo, the path does not update until the next action is run, so we cant check if this worked

* a

* lets try this

* some debugging

* more testing

* Found it!

* b

.github/actions/install-conjure/action.yml

@@ -0,0 +1,41 @@
+name: 'Install Conjure'
+description: 'Install Conjure'
+inputs:
+  version:
+    description: 'The version of conjure to install.'
+    required: false
+    default: "2.5.1"
+  os_arch:
+    description: 'The OS / Architecture to use. Supported values are ["linux","macos-arm","macos-intel"]'
+    required: true
+
+runs:
+  using: composite
+  steps:
+    - run:  |
+          if [ "$(conjure --version | head -n2 | tail -n1)" == "Release version ${{ inputs.version }}" ]; then
+            echo "Found conjure, not fetching again."
+          else
+            mkdir -p "${HOME}/conjure"
+            cd "${HOME}/conjure"
+
+            echo "Downloading conjure."
+            rm -rf conjure-v${{ inputs.version }}-${{ inputs.os_arch }}-with-solvers*
+            wget https://github.com/conjure-cp/conjure/releases/download/v${{ inputs.version }}/conjure-v${{ inputs.version }}-${{ inputs.os_arch }}-with-solvers.zip
+            unzip conjure-v${{ inputs.version }}-${{ inputs.os_arch }}-with-solvers.zip
+
+            echo "Adding conjure to path."
+            # this prepends to path (so imagemagick doesnt interfere!), and does not take effect until the next step runs.
+            echo "${HOME}/conjure/conjure-v${{ inputs.version }}-${{ inputs.os_arch }}-with-solvers/" >> ${GITHUB_PATH}
+          fi
+      shell: bash
+
+    - name: Check that conjure is installed correctly
+      run: | 
+          if [ "$(conjure --version | head -n2 | tail -n1)" != "Release version ${{ inputs.version }}" ]; then
+            echo "Correct conjure not found in path."
+            conjure --version
+            exit 1
+          fi
+      shell: bash
+

.github/workflows/code-coverage-main.yml

@@ -8,9 +8,6 @@ on:
 
 env:
   rust_release: nightly
-  conjure_version: 
-    - 2.5.1
-  release_suffix: linux
 
 jobs:
   coverage:
@@ -39,22 +36,10 @@ jobs:
         working-directory: ./solvers/minion
         run: rustup update ${{ env.rust_release }} && rustup default ${{ env.rust_release }}
 
-      - name: Add conjure to PATH
-        run: echo "${HOME}/.cargo/bin/conjure-v${{ env.conjure_version }}-${{ env.release_suffix }}-with-solvers" >> ${GITHUB_PATH}
-
-      - name: Install conjure
-        run: |
-          if [ "$(conjure --version | head -n2 | tail -n1)" == "Release version ${{ env.conjure_version }}" ]; then
-            echo "Found conjure, not fetching again."
-          else
-            echo "Did not find conjure, fetching."
-            pushd ~/.cargo/bin
-            rm -rf conjure-v${{ env.conjure_version }}-${{ env.release_suffix }}-with-solvers*
-            wget https://github.com/conjure-cp/conjure/releases/download/v${{ env.conjure_version }}/conjure-v${{ env.conjure_version }}-${{ env.release_suffix }}-with-solvers.zip
-            unzip conjure-v${{ env.conjure_version }}-${{ env.release_suffix }}-with-solvers.zip
-            popd
-          fi
-          conjure --version
+      - uses: ./.github/actions/install-conjure
+        with: 
+          os_arch: linux
+          version: 2.5.1
 
       - name: Generate coverage reports
         working-directory: .

.github/workflows/code-coverage.yml

@@ -3,17 +3,14 @@ name: "Code Coverage (Generate)"
 on:
   pull_request:
     paths:
-      - conjure-oxide/**
+      - conjure_oxide/**
       - solvers/**
       - crates/**
       - .github/actions/code-coverage.yml
   workflow_dispatch:
 
 env:
   rust_release: nightly
-  conjure_version: 
-    - 2.5.1
-  release_suffix: linux
 
 jobs:
   coverage:
@@ -58,19 +55,10 @@ jobs:
       - name: Add conjure to PATH
         run: echo "${HOME}/.cargo/bin/conjure-v${{ env.conjure_version }}-${{ env.release_suffix }}-with-solvers" >> ${GITHUB_PATH}
 
-      - name: Install conjure
-        run: |
-          if [ "$(conjure --version | head -n2 | tail -n1)" == "Release version ${{ env.conjure_version }}" ]; then
-            echo "Found conjure, not fetching again."
-          else
-            echo "Did not find conjure, fetching."
-            pushd ~/.cargo/bin
-            rm -rf conjure-v${{ env.conjure_version }}-${{ env.release_suffix }}-with-solvers*
-            wget https://github.com/conjure-cp/conjure/releases/download/v${{ env.conjure_version }}/conjure-v${{ env.conjure_version }}-${{ env.release_suffix }}-with-solvers.zip
-            unzip conjure-v${{ env.conjure_version }}-${{ env.release_suffix }}-with-solvers.zip
-            popd
-          fi
-          conjure --version
+      - uses: ./.github/actions/install-conjure
+        with: 
+          os_arch: linux
+          version: 2.5.1
 
       - name: Generate coverage reports
         working-directory: .

.github/workflows/doc-coverage.yml

@@ -5,13 +5,13 @@ on:
     branches:
       - main # run for pushes to the main branch
     paths:
-      - conjure-oxide/**
+      - conjure_oxide/**
       - solvers/**
       - crates/**
       - .github/actions/doc-coverage.yml
   pull_request:
     paths:
-      - conjure-oxide/**
+      - conjure_oxide/**
       - solvers/**
       - crates/**
       - .github/actions/doc-coverage.yml

.github/workflows/test.yml

@@ -63,23 +63,11 @@ jobs:
 
       - run: cargo build -vv --workspace
 
-      - name: Add conjure to PATH
-        run: echo "${HOME}/.cargo/bin/conjure-v${{ matrix.conjure_version }}-${{ matrix.release_suffix }}-with-solvers" >> ${GITHUB_PATH}
-
-      - name: Install conjure
-        run: |
-          if [ "$(conjure --version | head -n2 | tail -n1)" == "Release version ${{ matrix.conjure_version }}" ]; then
-            echo "Found conjure, not fetching again."
-          else
-            echo "Did not find conjure, fetching."
-            pushd ~/.cargo/bin
-            rm -rf conjure-v${{ matrix.conjure_version }}-${{ matrix.release_suffix }}-with-solvers*
-            wget https://github.com/conjure-cp/conjure/releases/download/v${{ matrix.conjure_version }}/conjure-v${{ matrix.conjure_version }}-${{ matrix.release_suffix }}-with-solvers.zip
-            unzip conjure-v${{ matrix.conjure_version }}-${{ matrix.release_suffix }}-with-solvers.zip
-            popd
-          fi
-          conjure --version
-  
+      - uses: ./.github/actions/install-conjure
+        with: 
+          os_arch: ${{ matrix.release_suffix }}
+          version: ${{ matrix.conjure_version }}
+
       - run: cargo test --workspace
 
   audit: