Issue #3259355 by mallezie, mondrake, catch, longwave, mglaman, alexpott, xjm, daffie, Mixologic: Always do a full phpstan analysis on DrupalCI

core/phpstan-partial.neon

@@ -1,5 +1,5 @@
 # Configuration file for PHPStan static code checking, see https://phpstan.org .
-# PHPStan is triggered on Drupal CI in commit-code-check.sh.
+# PHPStan with partial analysis is triggered in commit-code-check.sh.
 includes:
   - phpstan.neon.dist
 
@@ -7,4 +7,4 @@ includes:
 # only to allow core/scripts/dev/commit-code-check.sh to run against a subset of
 # the codebase.
 parameters:
-  reportUnmatchedIgnoredErrors: false
+  reportUnmatchedIgnoredErrors: false

core/scripts/dev/commit-code-check.sh

@@ -216,15 +216,17 @@ printf "\n"
 printf -- '-%.0s' {1..100}
 printf "\n"
 
-# Run PHPStan on all files in one go for better performance. APCu is disabled to
+# Run PHPStan on all files on DrupalCI or when phpstan files are changed.
-# ensure that the composer classmap is not corrupted.
+# APCu is disabled to ensure that the composer classmap is not corrupted.
-if [[ $PHPSTAN_DIST_FILE_CHANGED == "1" ]]; then
+if [[ $PHPSTAN_DIST_FILE_CHANGED == "1" ]] || [[ "$DRUPALCI" == "1" ]]; then
   printf "\nRunning PHPStan on *all* files.\n"
   php -d apc.enabled=0 -d apc.enable_cli=0 vendor/bin/phpstan analyze --no-progress --configuration="$TOP_LEVEL/core/phpstan.neon.dist"
 else
+  # Only run PHPStan on changed files locally.
   printf "\nRunning PHPStan on changed files.\n"
   php -d apc.enabled=0 -d apc.enable_cli=0 vendor/bin/phpstan analyze --no-progress --configuration="$TOP_LEVEL/core/phpstan-partial.neon" $ABS_FILES
 fi
+
 if [ "$?" -ne "0" ]; then
   # If there are failures set the status to a number other than 0.
   FINAL_STATUS=1