Commit just one file instead of node_modules (#15)

Author: AArnott

.gitattributes

@@ -2,9 +2,8 @@
 # Set default behavior to automatically normalize line endings.
 ###############################################################################
 * text=auto
-
-# Do not normalize line endings for the checked in packages we never touch.
-node_modules/** -text
+*.js text
+*.ts text
 
 # Ensure bash shell scripts use LF line endings
 *.sh eol=lf
@@ -23,7 +22,7 @@ node_modules/** -text
 #
 # Merging from the command prompt will add diff markers to the files if there
 # are conflicts (Merging from VS is not affected by the settings below, in VS
-# the diff markers are never inserted). Diff markers may cause the following 
+# the diff markers are never inserted). Diff markers may cause the following
 # file extensions to fail to load in VS. An alternative would be to treat
 # these files as binary and thus will always conflict and require user
 # intervention with every merge. To do so, just uncomment the entries below
@@ -52,9 +51,9 @@ node_modules/** -text
 
 ###############################################################################
 # diff behavior for common document formats
-# 
+#
 # Convert binary document formats to text before diffing them. This feature
-# is only available from the command line. Turn it on by uncommenting the 
+# is only available from the command line. Turn it on by uncommenting the
 # entries below.
 ###############################################################################
 #*.doc   diff=astextplain

.github/workflows/checkin.yml

@@ -10,23 +10,22 @@ jobs:
   check_diff:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2
 
     - name: yarn
       run: yarn
 
-    - name: "yarn run build"
+    - name: yarn run build
       run: yarn run build
 
-    # - name: "yarn run test"
-    #   run: yarn run test
-
-    - name: "check for uncommitted changes"
-      # Ensure no changes, but ignore node_modules dir since dev/fresh ci deps installed.
+    - name: check for uncommitted changes
+      # Ensure no changes.
       run: |
-        git diff --exit-code --stat -- . ':!node_modules' \
+        git add -u . # compare after applying git EOL normalization
+        git diff --cached --exit-code --stat \
         || (echo "##[error] found changed files after build. please 'yarn run build'" \
                  "and check in all changes" \
+            && git diff --cached \
             && exit 1)
   test:
     runs-on: ubuntu-latest

.gitignore

@@ -1,3 +1,4 @@
-!node_modules/
+node_modules/
 __tests__/runner/*
-nbgv.json
+nbgv.json
+lib/main.js

action.yml

@@ -22,4 +22,4 @@ inputs:
     required: false
 runs:
   using: node12
-  main: lib/main.js
+  main: dist/index.js