Ignore spell of indented lines in commit messages

This enables indenting lines to quote snippets of code, output of
programs, etc. in commit messages. Previously, those are often rejected
by aspell due to bad spelling.

Closes: #290
Change-Id: Ib32034632ad75c78c9ccd1b02586b3a055c4228e

Author: lumynou5

scripts/commit-msg.hook

@@ -85,8 +85,8 @@ read_commit_message() {
     REPLY="${REPLY%%*( )}"
     shopt -u extglob
 
-    # ignore comments
-    [[ $REPLY =~ ^# ]]
+    # ignore comments and indented lines
+    [[ $REPLY =~ ^(#|[  ][  ]) ]]
     test $? -eq 0 || COMMIT_MSG_LINES+=("$REPLY")
 
     [[ $REPLY =~ "# ------------------------ >8 ------------------------" ]]
@@ -208,7 +208,7 @@ build_commit_trailer_regex() {
       TRAILER_REGEX+="$each|"
     done
     # Remove the trailing pipe, then add a separator and blank space pattern.
-    TRAILER_REGEX="${TRAILER_REGEX%|})[$separators][[:blank:]]*)"
+    TRAILER_REGEX="${TRAILER_REGEX%|})[$separators][[:blank:]]*"
   fi
 
   # Append standalone trailer keys.
@@ -452,7 +452,7 @@ validate_commit_message() {
     candidate="${BASH_REMATCH[2]}"
     # Only warn if the candidate filename ends with .c or .h
     if [[ "$candidate" =~ \.(c|h)$ ]]; then
-      add_warning 1 "Avoid using just a filename like '$candidate'. Provide a functional, meaningful description"	    
+      add_warning 1 "Avoid using just a filename like '$candidate'. Provide a functional, meaningful description"
     fi
   fi