Installer: Log more audio device info if BGMDevice doesn't appear.

.github/workflows/build-test-release.yml

@@ -109,7 +109,10 @@ jobs:
             test
           echo '::endgroup::'
       - name: Uninstall Background Music.
-        run: genv --default-signal=PIPE yes | sudo ./uninstall.sh
+        run: |
+          # `tput` expects this to be set.
+          export TERM=xterm-256color
+          genv --default-signal=PIPE yes | sudo ./uninstall.sh
       - name: Check the BGM dirs and files were removed.
         run: |
           if ls -la "/Applications/Background Music.app"; then exit 1; fi
@@ -156,11 +159,8 @@ jobs:
             -dumplog
       - name: Print the installer logs.
         if: always()
-        run: |
-          echo '::group::install.log'
         # This trims the start of the log to save space.
-          grep -E -A 9999 -B 20 'Background.?Music' /var/log/install.log
-          echo '::endgroup::'
+        run: grep -E -A 9999 -B 20 'Background.?Music' /var/log/install.log
       - name: Check the BGM dirs and files were installed again.
         if: always()
         run: |

pkg/postinstall

@@ -75,6 +75,16 @@ while [[ $retries -gt 0 ]]; do
             #       installer GUI instead of just logging them. See
             #       <https://developer.apple.com/library/archive/documentation/DeveloperTools/Reference/DistributionDefinitionRef/Chapters/Distribution_XML_Ref.html#//apple_ref/doc/uid/TP40005370-CH100-SW12>.
             log "Background Music device not found. Installation failed."
+            log "Audio devices:"
+            log $(system_profiler SPAudioDataType)
+            log "Audio input devices:"
+            log $(echo 'import AVFoundation
+                let discoverySession = AVCaptureDevice.DiscoverySession(
+                    deviceTypes: [ .builtInMicrophone, .externalUnknown ],
+                    mediaType: .audio,
+                    position: .unspecified
+                )
+                print(discoverySession.devices)' | swift -)
             exit 1
         fi
     else