X-Git-Url: https://git.ralfj.de/mass-build.git/blobdiff_plain/d4ddc3007120c1ecfbee87d59d099e6f1abe9cb4..6f11d5aa5c05eec216b9c21eced82c445dd20975:/build_system.py

diff --git a/build_system.py b/build_system.py
index 253348e..4658f4a 100644
--- a/build_system.py
+++ b/build_system.py
@@ -1,77 +1,123 @@
-import os, subprocess
+# mass-build - Easily Build Software Involving a Large Amount of Source Repositories
+# Copyright (C) 2012 Ralf Jung <post@ralfj.de>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 
-'''A build system has three methods: "configure" (with optionak "force" parameter), "build" and "install"'''
+import os, shutil, subprocess
+
+'''A build system must have a "build" method with parameters "reconfigure" and "waitAfterConfig".'''
 
 # Compile, build, and install cmake projects:
 class CMake:
-	def __init__(self, sourceFolder, buildFolder, module, config):
+	def __init__(self, sourceFolder, buildFolder, config):
 		self.sourceFolder = os.path.abspath(sourceFolder)
 		self.buildFolder = os.path.abspath(buildFolder)
-		self.installDir = config['installDir']
-		self.buildType = config['buildType']
-		self.jobs = config['jobs']
-		self.buildCmdPrefix = config['buildCmdPrefix']
-		self.installCmdPrefix = config['installCmdPrefix']
-		self.module = module
+		self.config = config
+	
+	def setEnv(self, name, val):
+		'''Set the given environment variable, return old value'''
+		oldVal = os.getenv(name)
+		os.putenv(name, val)
+		return oldVal
+	
+	def prependDirToEnv(self, name, dir, default):
+		'''Prepends the given directory to the environment variable. If the variable is empty, dir isprepended to the default.
+		   Returns the old value.'''
+		oldVal = os.getenv(name)
+		oldPaths = default if oldVal is None else oldVal
+		os.putenv(name, dir+':'+oldPaths)
+		return oldVal
+	
+	def restoreEnv(self, name, oldVal):
+		'''Restore environment variable to previous value'''
+		if oldVal is None:
+			os.unsetenv(name)
+		else:
+			os.putenv(name, oldVal)
 	
-	def build(self, reconfigure=False):
+	def build(self, reconfigure, waitAfterConfig):
 		# Make sure we have a build directory
 		if not os.path.exists(self.buildFolder): os.makedirs(self.buildFolder)
 		os.chdir(self.buildFolder)
 		# In case of reconfiguration, delete cache file if it exists
 		cacheFile = 'CMakeCache.txt'
 		if os.path.exists(cacheFile) and reconfigure: os.remove(cacheFile)
-		# Run cmake
-		os.putenv('PKG_CONFIG_PATH', os.path.join(self.installDir, 'lib', 'pkgconfig')) # I found no way to do this within cmake
-		subprocess.check_call(['cmake', self.sourceFolder, '-DCMAKE_BUILD_TYPE='+self.buildType,
-			'-DCMAKE_INSTALL_PREFIX='+self.installDir]+self.module.get('cmakeParameters', []))
-		os.unsetenv('PKG_CONFIG_PATH')
+		# Run cmake, in the proper environment, then restore old environment
+		oldPKGConfigPath = self.setEnv('PKG_CONFIG_PATH', os.path.join(self.config['installDir'], 'lib', 'pkgconfig'))
+		oldCMakePrefixPath = self.setEnv('CMAKE_PREFIX_PATH', self.config['installDir'])
+		oldXDGDataDirs = self.prependDirToEnv('XDG_DATA_DIRS', os.path.join(self.config['installDir'], 'share'), '/usr/share')
+		oldXDGConfigDirs = self.prependDirToEnv('XDG_CONFIG_DIRS', os.path.join(self.config['installDir'], 'etc', 'xdg'), '/etc/xdg')
+		subprocess.check_call(['cmake', self.sourceFolder, '-DCMAKE_BUILD_TYPE='+self.config['buildType'],
+			'-DCMAKE_INSTALL_PREFIX='+self.config['installDir']]+self.config.get('cmakeParameters', []))
+		self.restoreEnv('PKG_CONFIG_PATH', oldPKGConfigPath)
+		self.restoreEnv('CMAKE_PREFIX_PATH', oldCMakePrefixPath)
+		self.restoreEnv('XDG_DATA_DIRS', oldXDGDataDirs)
+		self.restoreEnv('XDG_CONFIG_DIRS', oldXDGConfigDirs)
+		# if asked to do so, wait
+		if waitAfterConfig:
+			raw_input('Configuration done. Hit "Enter" to build the project. ')
 		# run compilation
-		subprocess.check_call(self.buildCmdPrefix + ['make', '-j'+str(self.jobs)])
+		subprocess.check_call(self.config.get('buildCmdPrefix', []) + ['make', '-j'+str(self.config['jobs'])])
 		# run installation
-		subprocess.check_call(self.installCmdPrefix + ['make', 'install'])
+		subprocess.check_call(self.config.get('installCmdPrefix', []) + ['make', 'install'])
 
 # if auto-debuild is available, provide a wrapper for it
 try:
 	import auto_debuild
 	class AutoDebuild:
-		def __init__(self, sourceFolder, buildFolder, module, vcs, config):
+		def __init__(self, sourceFolder, buildFolder, config, vcs):
 			self.sourceFolder = os.path.abspath(sourceFolder)
 			self.buildFolder = os.path.abspath(buildFolder)
-			self.jobs = config['jobs']
-			self.debDir = os.path.abspath(config['debDir'])
-			self.debName = config['debName']
-			self.debEMail = config['debEMail']
-			self.module = module
+			self.debFolder = os.path.abspath(config['debDir'])
+			self.config = config
 			self.vcs = vcs
 
-		def build(self, reconfigure=False): # reconfigure is ignored (we always do a reconfiguration)
+		def build(self, reconfigure, waitAfterConfig): # reconfigure is ignored (we always do a reconfiguration)
+			# get version name
+			versionName = self.config['versionName'] if 'versionName' in self.config else self.vcs.version()
+			if versionName is None:
+				raise Exception("VCS did not provide us with a proper version number, please provide one manually")
 			# create auto-debuild configuration
 			autoDebuildConfig = {
-				'sourceName': self.module['name'],
-				'buildSystem': self.module['buildSystem'],
-				'debDir': self.debDir,
+				'sourceName': self.config['name'],
+				'buildSystem': self.config['buildSystem'],
+				'debDir': self.debFolder,
 				'buildDir': self.buildFolder,
-				'name': self.debName,
-				'email': self.debEMail,
-				'parallelJobs': self.jobs,
-				'version': self.vcs.version()
+				'name': self.config['debName'],
+				'email': self.config['debEMail'],
+				'parallelJobs': self.config['jobs'],
+				'version': versionName,
+				'waitAfterConfig': waitAfterConfig,
 			}
-			if autoDebuildConfig['version'] is None:
-				raise Exception("VCS did not provide us with a proper version number, please fix this")
 			# copy some more optional configuration
-			for option in ('dbgPackage', 'section', 'binarySkipFiles', 'binaryInstallFiles',
-					'buildDepends', 'binaryDepends', 'binaryRecommends', 'binaryProvides',
-					'cmakeParameters', 'automakeParameters'):
-				if option in self.module:
-					autoDebuildConfig[option] = self.module[option]
+			for option in ('epoch', 'dbgPackage', 'section', 'withPython2', 'binarySkipFiles', 'binaryInstallFiles',
+					'buildDepends', 'binaryDepends', 'binaryShims', 'binaryRecommends', 'binaryProvides', 'binaryConflicts', 'binaryBreaks',
+					'binaryReplaces', 'binaryBreaksReplaces',
+					'alternatives', 'cmakeParameters', 'automakeParameters'):
+				if option in self.config:
+					autoDebuildConfig[option] = self.config[option]
 			# create Debian files
 			os.chdir(self.sourceFolder)
+			if os.path.isdir('debian'): # clean previous build attempts
+				shutil.rmtree('debian')
 			files = auto_debuild.createDebianFiles(autoDebuildConfig)
 			# build package(s)
 			auto_debuild.buildDebianPackage(autoDebuildConfig)
 			# install package(s)
-			subprocess.check_call(['sudo', 'dpkg', '--install'] + files)
+			if self.config.get('debInstall', True):
+				subprocess.check_call(['sudo', 'dpkg', '--install'] + files)
 
 except ImportError:
 	#print "auto_debuild not found, disabling auto-debuild system"