add PR comment workflow

.github/workflows/comment.yml

@@ -0,0 +1,34 @@
+name: Comment on PR
+
+on:
+  pull_request_target:
+    branches: [ master ]
+
+jobs:
+  check:
+    runs-on: ubuntu-latest
+    container: horizoneda/horizon:latest
+    steps:
+    - uses: actions/checkout@v2
+      with:
+        path: pool
+    - name: fetch master
+      if: github.event_name == 'pull_request'
+      run: git fetch --no-tags --prune --progress --no-recurse-submodules --depth=1 origin ${{ github.base_ref }}:${{ github.base_ref }}
+      working-directory: pool
+    - name: add pool
+      run: python3 scripts/ci/add_pool.py
+    - name: update pool
+      run: python3 scripts/ci/update_pool.py >> comment.md
+    - name: print diff to base
+      if: github.event_name == 'pull_request'
+      run: python3 scripts/ci/diff_to_base.py ${{ github.base_ref }}  >> comment.md
+    - name: print comment
+      if: ${{ always() }}
+      run: cat comment.md
+    - uses: harupy/comment-on-pr@master
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      with:
+        filename: comment.md
+

scripts/ci/add_pool.py

@@ -1,5 +1,5 @@
 import horizon
-horizon.PoolManager.add_pool(".")
+horizon.PoolManager.add_pool("pool")
 print("added pools")
 for k,v in horizon.PoolManager.get_pools().items() :
 	print(k,v)

scripts/ci/diff_to_base.py

@@ -3,17 +3,18 @@
 import sys
 base = sys.argv[1]
 
-repo = pygit2.Repository(".")
-conn = sqlite3.connect("pool.db")
+repo = pygit2.Repository("pool")
+conn = sqlite3.connect("pool/pool.db")
 cur = conn.cursor()
 
+print("# Diff to base")
 
 diff = repo.diff("HEAD", base)
 for delta in diff.deltas :
 	filename = delta.new_file.path
 	cur.execute("SELECT type, name FROM all_items_view WHERE filename=?", (filename,))
 	r = cur.fetchone()
 	if r is not None :
-		print("New %s '%s': %s"%(r[0], r[1], filename))
+		print(" - New %s '%s': %s"%(r[0], r[1], filename))
 	else:
-		print("%s not found in pool"%filename)
+		print(" - %s not found in pool"%filename)

scripts/ci/update_pool.py

@@ -3,17 +3,19 @@
 files = set()
 error = False
 
+print("# Pool Update")
+
 def cb(st, filename, msg) :
 	global error
 	if st in (horizon.Pool.UPDATE_STATUS_ERROR, horizon.Pool.UPDATE_STATUS_FILE_ERROR) :
-		print("ERROR", st, filename, msg)
+		print(" - ERROR", st, filename, msg)
 		error = True
 	if st == horizon.Pool.UPDATE_STATUS_FILE :
 		files.add(filename)
 
-print("updating pool...")
-horizon.Pool.update(".", cb)
-print("%d files "% len(files))
+horizon.Pool.update("pool", cb)
 
 if error :
 	exit(1)
+else :
+	print("okay, %d files "% len(files))