From: Ralf Jung <post@ralfj.de>
Date: Sun, 29 Jul 2012 21:07:41 +0000 (+0200)
Subject: Make auto-debuild configuration idempotent
X-Git-Url: https://git.ralfj.de/mass-build.git/commitdiff_plain/d8db4c363bdec84a2f0b2a53ec176ac8f2419342?ds=sidebyside

Make auto-debuild configuration idempotent
---

diff --git a/build_system.py b/build_system.py
index 6e72e71..979a47a 100644
--- a/build_system.py
+++ b/build_system.py
@@ -68,6 +68,7 @@ try:
 				self.autoDebuildConfig[dstName] = src[name]
 
 		def configure(self, force=False): # force is ignored
+			if self.configured: return # do not configure twice
 			self.autoDebuildConfig['version'] = self.vcs.version() # by now, data has been fetched, so this is possible
 			if self.autoDebuildConfig['version'] is None:
 				raise Exception("VCS did not provide us with a proper version, please fix this")
@@ -77,12 +78,12 @@ try:
 			self.configured = True
 
 		def build(self):
-			if not self.configured: self.configure()
+			self.configure() # make sure we are configured (this call is idempotent)
 			os.chdir(self.sourceFolder)
 			auto_debuild.buildDebianPackage(self.autoDebuildConfig)
 
 		def install(self):
-			if not self.configured: self.configure()
+			self.configure() # make sure we are configured (this call is idempotent)
 			os.chdir(self.sourceFolder)
 			subprocess.check_call(['sudo', 'dpkg', '--install'] + self.files)
 except ImportError: