Add workflow for build and test on OSX

.github/workflows/build_test.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+echo now in run_test.sh
+
+mkdir -p ~/work/StereoPipeline/StereoPipeline-OSX
+
+echo Created directory ~/work/StereoPipeline/StereoPipeline-OSX
+touch ~/work/StereoPipeline/StereoPipeline-OSX/test.txt
+echo Created file ~/work/StereoPipeline/StereoPipeline-OSX/test.txt

.github/workflows/build_test.yml

@@ -0,0 +1,41 @@
+name: build_test
+on:
+  workflow_dispatch:
+
+# Build and test ASP on macOS. For now triggered by hand.
+
+# on:
+#   push:
+#     branches: [ "master" ]
+#   pull_request:
+#     branches: [ "master" ]
+
+jobs:
+  build:
+
+    runs-on: macos-latest
+    steps:
+    - uses: actions/checkout@v3
+    - name: Cache conda
+      id: cache-conda
+      uses: actions/cache@v3
+      env:
+        cache-name: cache-conda
+      with:
+        # Use cached ASP dependencies. They will be created manually 
+        # after starting a session with ssh.yml.
+        path: |
+          /usr/local/miniconda/envs
+          ~/projects/StereoPipelineTest
+        key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('**/miniconda.json') }}
+        restore-keys: |
+          ${{ runner.os }}-build-${{ env.cache-name }}-
+          ${{ runner.os }}-build-
+          ${{ runner.os }}-
+    - name: run_test
+      run: ./.github/workflows/build_test.sh
+    - name: Upload artifacts
+      uses: actions/upload-artifact@v2
+      with: 
+         name: StereoPipeline_${{ matrix.os }}
+         path: ~/work/StereoPipeline/StereoPipeline-OSX

.github/workflows/ssh.yml

@@ -6,27 +6,30 @@ jobs:
   build:
     runs-on: macos-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Cache conda
       id: cache-conda
       uses: actions/cache@v3
       env:
         cache-name: cache-conda
       with:
+        ## Cache the ASP dependencies. They will be created manually in 
+        ## the next step, after logging in to the upterm session,
+        ## and the actual caching will happen when this recipe exits.
+        ## Changes to the cache cannot be saved, so it should
+        ## be wiped from the web interface if desired to recreate it.
         path: |
           /usr/local/miniconda/envs
         key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('**/miniconda.json') }}
         restore-keys: |
           ${{ runner.os }}-build-${{ env.cache-name }}-
           ${{ runner.os }}-build-
           ${{ runner.os }}-
-    - name: Setup upterm session with ssh access
+    - name: Set up an upterm session with ssh access
       uses: lhotari/action-upterm@v1
       with:
-        ## Testing ssh access to macos cloud machine
-        ## limits ssh access and adds the ssh public key for the user which triggered the workflow
+        ## Limit access to specified users
         limit-access-to-actor: true
-        ## limits ssh access and adds the ssh public keys of the listed GitHub users
         limit-access-to-users: oleg-alexandrov
-        ## If no one connects after 5 minutes, shut down server.
-        wait-timeout-minutes: 5    
+        ## If no one connects after 5 minutes, shut down the server
+        wait-timeout-minutes: 5