utils/check-package: require exactly 1 TAB and 2 SP on help text 1st line

Test that the first line starts exactly with one TAB and exactly two
spaces before the text.

Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Ricardo Martincoski <ricardo.martincoski@datacom.com.br>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit f9e6d39e8e0615d3a71ea1aef9d0d1e206f4c42c)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

utils/checkpackagelib/lib_config.py

@@ -154,6 +154,7 @@ class CommentsMenusPackagesOrder(_CheckFunction):
 
 class HelpText(_CheckFunction):
     HELP_TEXT_FORMAT = re.compile(r"^\t  .{,62}$")
+    HELP_TEXT_FORMAT_1 = re.compile(r"^\t  \S.{,61}$")
     URL_ONLY = re.compile(r"^(http|https|git)://\S*$")
 
     def before(self):
@@ -170,12 +171,18 @@ class HelpText(_CheckFunction):
             return
         if text.strip() == "help":
             self.help_text = True
+            self.help_first_line = True
             return
 
         if not self.help_text:
             return
 
-        if self.HELP_TEXT_FORMAT.match(text.rstrip()):
+        if self.help_first_line:
+            help_text_match = self.HELP_TEXT_FORMAT_1
+            self.help_first_line = False
+        else:
+            help_text_match = self.HELP_TEXT_FORMAT
+        if help_text_match.match(text.rstrip()):
             return
         if self.URL_ONLY.match(text.strip()):
             return