Merge 12032a8 into e638758

.github/workflows/ci.yml

@@ -3,15 +3,6 @@ name: CI
 on: pull_request
 
 jobs:
-  perlcritic:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-      - name: perlcritic
-        uses: gugod/actions-perlcritic@fun
-        with:
-          directory: "lib script t dev-bin"
-
   yath:
     runs-on: ${{ matrix.os }}
     strategy:

.github/workflows/lint.yml

@@ -0,0 +1,12 @@
+name: Lint
+
+on: pull_request
+
+jobs:
+  perlcritic:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: gugod/action-perlcritic@fun
+        with:
+          perlcritic_args: -p .perlcriticrc lib t scripts dev-bin

lib/App/perlbrew.pm

@@ -30,6 +30,8 @@ use App::Perlbrew::Path::Root;
 
 ### global variables
 
+my $unused_global_var;
+
 # set $ENV{SHELL} to executable path of parent process (= shell) if it's missing
 # (e.g. if this script was executed by a daemon started with "service xxx start")
 # ref: https://github.com/gugod/App-perlbrew/pull/404