Add a new "ebuild.patches" check for the PATCHES variable that's used by

base_src_unpack() from base.eclass. This generates a warning if the variable
is not defined as an array, since this is required for white space safety.
Thanks to Betelgeuse for the initial patch.

svn path=/main/trunk/; revision=9587

2 files changed, 10 insertions, 3 deletions

diff --git a/pym/repoman/checks.py b/pym/repoman/checks.py
index aa5bf1845..bc1c29115 100644
--- a/pym/repoman/checks.py
+++ b/pym/repoman/checks.py
@@ -18,8 +18,8 @@ class LineCheck(object):
 
 	def check(self, num, line):
 		"""Run the check on line and return error if there is one"""
-		pass
-
+		if self.re.match(line):
+			return self.error
 
 class EbuildHeader(LineCheck):
 	"""Ensure ebuilds have proper headers
@@ -191,6 +191,11 @@ class EbuildUselessCdS(LineCheck):
 		elif self.method_re.match(line):
 			self.check_next_line = True
 
+class EbuildPatches(LineCheck):
+	"""Ensure ebuilds use bash arrays for PATCHES to ensure white space safety"""
+	repoman_check_name = 'ebuild.patches'
+	re = re.compile(r'^\s*PATCHES=[^\(]')
+	error = errors.PATCHES_ERROR
 
 class EbuildQuotedA(LineCheck):
 	"""Ensure ebuilds have no quoting around ${A}"""
@@ -206,7 +211,8 @@ class EbuildQuotedA(LineCheck):
 _constant_checks = tuple((c() for c in (
 	EbuildWhitespace, EbuildQuote,
 	EbuildAssignment, EbuildUselessDodoc,
-	EbuildUselessCdS, EbuildNestedDie, EbuildQuotedA)))
+	EbuildUselessCdS, EbuildNestedDie,
+	EbuildPatches, EbuildQuotedA)))
 
 def run_checks(contents, st_mtime):
 	checks = list(_constant_checks)
diff --git a/pym/repoman/errors.py b/pym/repoman/errors.py
index d1aad1d8a..90fa83820 100644
--- a/pym/repoman/errors.py
+++ b/pym/repoman/errors.py
@@ -11,4 +11,5 @@ TRAILING_WHITESPACE_ERROR = 'Trailing whitespace error on line: %d'
 READONLY_ASSIGNMENT_ERROR = 'Ebuild contains assignment to read-only variable on line: %d'
 MISSING_QUOTES_ERROR = 'Unquoted Variable on line: %d'
 NESTED_DIE_ERROR = 'Ebuild calls die in a subshell on line: %d'
+PATCHES_ERROR = 'PATCHES is not a bash array on line: %d'
 REDUNDANT_CD_S_ERROR = 'Ebuild has redundant cd ${S} statement on line: %d'