From 10d2587c1655c2ecbbc7beaab2704c07fac989e2 Mon Sep 17 00:00:00 2001
From: Ralf Jung <post@ralfj.de>
Date: Tue, 17 Jul 2012 17:45:58 +0200
Subject: [PATCH] it properly creates packages!

---
 auto_debuild.py | 81 +++++++++++++++++++++++++++++++++++++++++++------
 1 file changed, 72 insertions(+), 9 deletions(-)

diff --git a/auto_debuild.py b/auto_debuild.py
index 098bc89..3a9deaf 100755
--- a/auto_debuild.py
+++ b/auto_debuild.py
@@ -1,5 +1,24 @@
 #!/usr/bin/python
-import os, stat
+import os, stat, time, subprocess, sys
+
+def getArchitecture():
+	p = subprocess.Popen(['dpkg-architecture', '-qDEB_BUILD_ARCH'], stdout=subprocess.PIPE)
+	res = p.communicate()[0] # get only stdout
+	if p.returncode != 0: raise Exception("Querying dpkg for the architecture failed")
+	return res[0:len(res)-1] # chop of the \n at the end
+
+# build-system specific part of rules file
+def writeCmakeRulesFile(f, config):
+	print >>f, "%:"
+	print >>f, "\tdh $@ --buildsystem cmake --parallel --builddirectory=build.dir" # "build" is not a good idea, as that's also the name of a target...
+	print >>f, ""
+	print >>f, "override_dh_auto_configure:"
+	print >>f, "\tmkdir -p build.dir"
+	print >>f, "\tcd build.dir && cmake ..",' '.join(['-DCMAKE_INSTALL_PREFIX=/usr', '-DCMAKE_BUILD_TYPE=Release'] + config.get('cmakeParameters', []))
+	print >>f, ""
+	print >>f, "override_dh_auto_clean:"
+	print >>f, "	rm -f build.dir/CMakeCache.txt # clean old cmake cache"
+	print >>f, ""
 
 def writeDebList(list):
 	return ', '.join(list)
@@ -9,6 +28,12 @@ def createDebianFiles(config):
 	binaryName = config.get('binaryName', sourceName+'-local')
 	name = config.get('name', os.getlogin())
 	email = config.get('email', os.getlogin()+'@'+os.uname()[1])
+	debDir = os.path.expanduser(config['debDir'])
+	buildSystem = config['buildSystem']
+	version = config['version']
+	# we return the list of files generated
+	arch = getArchitecture()
+	files = []
 	# source format file
 	if not os.path.exists('debian/source'): os.mkdir('debian/source')
 	with open('debian/source/format', 'w') as f:
@@ -16,13 +41,20 @@ def createDebianFiles(config):
 	# compat file
 	with open('debian/compat', 'w') as f:
 		print >>f, "9"
-	# changelog file
-	with open('debian/changlog', 'w') as f:
+	# copyright file
+	with open('debian/copyright', 'w') as f:
 		print >>f, "Auto-generated by auto-debuild, not suited for distribution"
+	# changelog file
+	with open('debian/changelog', 'w') as f:
+		print >>f, sourceName,"("+version+")","UNRELEASED; urgency=low"
+		print >>f, ""
+		print >>f, "  * Auto-generated by auto-debuild"
+		print >>f, ""
+		print >>f, " --",name,"<"+email+">  "+time.strftime('%a, %d %b %Y %H:%M:%S %z')
 	# control file
 	with open('debian/control', 'w') as f:
 		print >>f, "Source:",sourceName
-		print >>f, "Section: misc"
+		print >>f, "Section:",config.get('section', 'misc')
 		print >>f, "Priority: extra"
 		print >>f, "Maintainer: %s <%s>" % (name, email)
 		print >>f, "Build-Depends:",writeDebList(["debhelper (>= 9)"] + config.get('buildDepends', []))
@@ -32,16 +64,47 @@ def createDebianFiles(config):
 		print >>f, "Architecture:",config.get('architecture', 'any')
 		print >>f, "Depends:",writeDebList(["${shlibs:Depends}", "${misc:Depends}"] + config.get('binaryDepends', []))
 		print >>f, "Provides:",writeDebList(config.get('binaryProvides', [sourceName]))
-		print >>f, "Description:",sourceName
-		print >>f, " Auto-generated package for",sourceName
-	# rules file
+		print >>f, "Description:",sourceName,"(auto-debuild)"
+		print >>f, " Package auto-generated by auto-debuild"
+		files.append(os.path.join(debDir, "%s_%s_%s.deb" % (binaryName, version, arch)))
+	# rules file: build system specific
 	with open('debian/rules', 'w') as f:
-		pass
+		print >>f, "#!/usr/bin/make -f"
+		print >>f, ""
+		if buildSystem == 'cmake':
+			writeCmakeRulesFile(f, config)
+		else:
+			raise Exception("Invalid build system "+buildSystem)
+		print >>f, ""
+		print >>f, "override_dh_builddeb:" # put deb in other folder
+		print >>f, "\tdh_builddeb --destdir="+debDir
+		print >>f, "override_dh_auto_test:" # do not test
+		print >>f, ""
+		# overwrite: auto_config, auto_test, auto_clean, builddeb
 	mode = os.stat('debian/rules').st_mode
 	os.chmod('debian/rules', mode | stat.S_IXUSR | stat.S_IXGRP | stat.S_IXOTH)
+	# return list of files affected
+	return files
+
+def buildDebianPackage():
+	os.putenv("DEB_BUILD_OPTIONS", "parallel=2")
+	subprocess.check_call(['dpkg-checkbuilddeps'])
+	subprocess.check_call(['debian/rules', 'clean'])
+	subprocess.check_call(['debian/rules', 'build'])
+	subprocess.check_call(['fakeroot', 'debian/rules', 'binary'])
+	subprocess.check_call(['debian/rules', 'clean'])
 
+# if we are called directly as script
 if __name__ == "__main__":
 	import imp
+	# generate debian files
 	config = imp.load_source('config', 'debian/auto-debuild.py')
-	createDebianFiles(config.__dict__)
+	files = createDebianFiles(config.__dict__)
+	# check if a file is overwritten
+	for file in files:
+		if os.path.exists(file):
+			if raw_input("Do you want to overwrite %s (y/N)? \n" % file).lower() != "y":
+				sys.exit(1)
+	# run compilation
+	buildDebianPackage()
 
-- 
2.30.2