wip OK skip flutter --version

.github/workflows/ci.yml

@@ -21,15 +21,6 @@ jobs:
     - name: Download Flutter SDK artifacts (flutter precache)
       run: flutter precache --universal
 
-    # This step seems to typically take like 30 seconds.  That's a bit
-    # puzzling, given that we've already run `flutter precache`.
-    # If this step is left off, though, then the `flutter --version`
-    # inside `tools/check --verbose` spends that time instead.
-    # So it seems that `flutter --version` computes something
-    # which is slow (on GitHub's slow worker VMs) but cacheable.
-    - name: Compute Flutter version
-      run: flutter --version
-
     - name: Download our dependencies (flutter pub get)
       run: flutter pub get
 

tools/check

@@ -319,15 +319,26 @@ EOF
     shellcheck -x --shell=bash -- "${targets[@]}"
 }
 
+describe_git_head() {
+    local name="$1" repo_path="$2"
+    local commit_data
+    commit_data=$(
+        TZ=UTC \
+        git --git-dir "${repo_path}" \
+            log -1 --format="%h • %cd" \
+            --abbrev=9 --date=iso8601-local
+    )
+    echo "${name} ${commit_data}"
+}
+
 if [ -n "${opt_verbose}" ]; then
     echo "Test command: ${orig_cmdline}"
     echo "Time now: $(date --utc +'%F %T %z')"
-    echo
-    commit_id=$(git log -1 --format=%h --abbrev=9)
-    commit_time=$(TZ=UTC git log -1 --format=%cd --date=iso8601-local)
-    echo "zulip-flutter ${commit_id} • ${commit_time}"
-    echo
-    flutter --version
+    describe_git_head "zulip-flutter" .git/
+    flutter_executable=$(readlink -f "$(type -p flutter)")
+    flutter_tree=${flutter_executable%/bin/flutter}
+    describe_git_head "flutter/flutter" "${flutter_tree}"/.git
+    dart --version
 fi
 
 failed=()