Rebuild HA Guide if files modified

Special case the HA Guide since it is using asciidoc. We do not
check for includes and simply rebuild it whenever a file in the
directory is changed.

Change-Id: Ib4226a326f0d3c9f95d68950241f22f4c38c1d10

tools/test.py

@@ -166,6 +166,25 @@ def only_www_touched():
     return www_changed and not other_changed
 
 
+# Check whether only files in www got updated
+def ha_guide_touched():
+    """Check whether files in high-availability-guide directory are touched"""
+
+    try:
+        args = ["git", "diff", "--name-only", "HEAD~1", "HEAD"]
+        modified_files = check_output(args).strip().split()
+    except (subprocess.CalledProcessError, OSError) as e:
+        print("git failed: %s" % e)
+        sys.exit(1)
+
+    ha_changed = False
+    for f in modified_files:
+        if f.startswith("doc/high-availability-guide/"):
+            ha_changed = True
+
+    return ha_changed
+
+
 def get_modified_files(rootdir, filtering=None):
     """Get modified files below doc directory"""
 
@@ -457,10 +476,16 @@ def build_affected_books(rootdir, book_exceptions, file_exceptions,
 
         os.chdir(root)
 
+        # ha-guide uses asciidoc which we do not track.
+        # Just check whether any file is touched in that directory
+        if root.endswith('doc/high-availability-guide'):
+            if ha_guide_touched():
+                affected_books.append(book_root)
+
         # We can scan only for depth of one of inclusion
         # therefore skip the common directory since there's no
         # book build in it.
-        if not root.endswith('doc/common'):
+        elif not root.endswith('doc/common'):
             for f in files:
                 if (f.endswith('.xml') and
                         f != 'pom.xml' and

tools/validate.py

@@ -169,6 +169,24 @@ def only_www_touched():
     return www_changed and not other_changed
 
 
+def ha_guide_touched():
+    """Check whether files in high-availability-guide directory are touched"""
+
+    try:
+        args = ["git", "diff", "--name-only", "HEAD~1", "HEAD"]
+        modified_files = check_output(args).strip().split()
+    except (subprocess.CalledProcessError, OSError) as e:
+        print("git failed: %s" % e)
+        sys.exit(1)
+
+    ha_changed = False
+    for f in modified_files:
+        if f.startswith("doc/high-availability-guide/"):
+            ha_changed = True
+
+    return ha_changed
+
+
 def get_modified_files(rootdir, filtering=None):
     """Get modified files below doc directory"""
 
@@ -449,6 +467,12 @@ def build_affected_books(rootdir, book_exceptions, file_exceptions, force):
 
         os.chdir(root)
 
+        # ha-guide uses asciidoc which we do not track.
+        # Just check whether any file is touched in that directory
+        if root.endswith('doc/high-availability-guide'):
+            if ha_guide_touched():
+                affected_books.append(book_root)
+
         # We can scan only for depth of one of inclusion
         # therefore skip the common directory since there's no
         # book build in it.