X-Git-Url: https://git.ralfj.de/auto-debuild.git/blobdiff_plain/e2ba60734fa52dacdf59203b09af6324b0014922..ec078fb31f8ec2d9fde115a58ab064f7bbabb6b4:/auto_debuild.py

diff --git a/auto_debuild.py b/auto_debuild.py
index cb2d840..8441f07 100755
--- a/auto_debuild.py
+++ b/auto_debuild.py
@@ -3,7 +3,7 @@ import os, shutil, stat, time, subprocess, sys
 from collections import OrderedDict
 
 # some utility functions
-def safeCall(args):
+def safeCall(*args):
 	res = ""
 	for arg in args:
 		assert arg.find("'") < 0 # ' is not supported
@@ -30,8 +30,10 @@ class RulesFile:
 	def write(self, f):
 		print >>f, "#!/usr/bin/make -f"
 		print >>f, ""
-		print >>f, "%:"
-		print >>f, '\t'+self.env2str()+' dh $@ '+safeCall(self.dh)
+		print >>f, ".PHONY: build" # there may be a directory called "build"
+		print >>f, ""
+		print >>f, "build %:" # need to mention "build" here again explicitly
+		print >>f, '\t'+self.env2str()+' dh $@ '+safeCall(*self.dh)
 		for rule in self.rules:
 			print >>f, ""
 			print >>f, "override_dh_"+rule+":"
@@ -40,29 +42,32 @@ class RulesFile:
 
 # build-system specific part of rules file
 def cmakeRules(config):
-	buildDir = config.get('buildDir', 'build.dir') # "build" is not a good idea, as that's also the name of a target...
+	buildDir = config.get('buildDir', 'build')
 	srcDir = os.getcwd()
 	r = RulesFile()
 	r.dh += ["--buildsystem=cmake", "--builddirectory="+buildDir] # dh parameters
 	r.rules['auto_configure'] = [
-		safeCall(["mkdir", "-p", buildDir]),
-		safeCall(["cd", buildDir]) + " && " +
-		  safeCall(["cmake", srcDir, "-DCMAKE_INSTALL_PREFIX=/usr"] + config.get('cmakeParameters', []))
+		safeCall("mkdir", "-p", buildDir),
+		safeCall("cd", buildDir) + " && " +
+		  safeCall("cmake", srcDir, "-DCMAKE_INSTALL_PREFIX=/usr", *config.get('cmakeParameters', []))
 	]
-	r.rules['auto_clean'] = [safeCall(['rm', '-f', os.path.join(buildDir, 'CMakeCache.txt')])] # clean old cmake cache
+	r.rules['auto_clean'] = [safeCall('rm', '-f', os.path.join(buildDir, 'CMakeCache.txt'))] # clean old cmake cache
 	return r
 
 def automakeRules(config):
+	# "build" is what we are building *on*, and "host" is what we are building *for* (and GNU is weird...)
+	# also, we don't really support cross-building... ;-) (to do, we'd have to write shell code that checks whether BUILD_GNU_TYPE
+	#  and HOST_GNU_TYPE are equal, and if they are not, add a --host parameter)
 	r = RulesFile()
 	r.dh += ["--buildsystem=autoconf"]
 	r.rules['auto_configure'] = [
 		'BUILD_TYPE=$$(dpkg-architecture -qDEB_BUILD_GNU_TYPE) && ' + # doing the expansion beforehand ensures that we cancel if it fails
-		'MULTIARCH=$$(dpkg-architecture -qDEB_BUILD_MULTIARCH) && '+
+		'MULTIARCH=$$(dpkg-architecture -qDEB_HOST_MULTIARCH) && '+
 			'./configure --build=$$BUILD_TYPE '+ # do the escape manually here so we can use the variables (there's no user-controlled string in here anyway)
 			'--prefix=/usr --includedir=/usr/include --mandir=/usr/share/man --infodir=/usr/share/info '+
 			'--libdir=/usr/lib/$$MULTIARCH --libexecdir=/usr/lib/$$MULTIARCH '+
 			'--sysconfdir=/etc --localstatedir=/var '+
-			safeCall(config.get('automakeParameters', []))
+			safeCall(*config.get('automakeParameters', []))
 	]
 	r.rules['auto_clean'] = ['rm -f config.status'] # do not re-use old configuration (no need for escaping here, obviously)
 	return r
@@ -74,7 +79,7 @@ def commandInBuildEnv(config, command):
 	return command
 
 def getArchitecture(config):
-	cmd = commandInBuildEnv(config, ['dpkg-architecture', '-qDEB_BUILD_ARCH'])
+	cmd = commandInBuildEnv(config, ['dpkg-architecture', '-qDEB_HOST_ARCH'])
 	p = subprocess.Popen(cmd, stdout=subprocess.PIPE)
 	res = p.communicate()[0] # get only stdout
 	if p.returncode != 0: raise Exception("Querying dpkg for the architecture failed")
@@ -88,14 +93,15 @@ def writeDependency(f, name, list):
 def createDebianFiles(config):
 	sourceName = config['sourceName']
 	binaryName = config.get('binaryName', sourceName+'-local')
-	name = config.get('name', os.getlogin())
-	email = config.get('email', os.getlogin()+'@'+os.uname()[1]) # user@hostname
+	name = config.get('name', os.getenv('USER')) # os.getlogin() fails in minimal chroots
+	email = config.get('email', os.getenv('USER')+'@'+os.uname()[1]) # user@hostname
 	debDir = os.path.expanduser(config['debDir'])
 	buildSystem = config['buildSystem']
 	version = config['version']
 	dbgPackage = config.get('dbgPackage', False)
 	parallelJobs = int(config.get('parallelJobs', 2))
 	packageArchitecture = config.get('architecture', 'any')
+	withPython2 = config.get('withPython2', False)
 	# we return the list of files generated, so we need to know the architecture
 	arch = getArchitecture(config)
 	files = []
@@ -103,7 +109,7 @@ def createDebianFiles(config):
 	if os.path.exists('debian'): raise Exception('debian folder already exists?')
 	os.mkdir('debian')
 	os.mkdir('debian/source')
-	if not os.path.exists(debDir): os.mkdir(debDir)
+	if not os.path.exists(debDir): os.makedirs(debDir)
 	# source format file
 	with open('debian/source/format', 'w') as f:
 		print >>f, "3.0 (native)"
@@ -135,6 +141,7 @@ def createDebianFiles(config):
 		writeDependency(f, "Depends", ["${shlibs:Depends}", "${misc:Depends}"] + config.get('binaryDepends', []))
 		writeDependency(f, "Recommends", config.get('binaryRecommends', []))
 		writeDependency(f, "Provides", config.get('binaryProvides', [sourceName]))
+		writeDependency(f, "Conflicts", config.get('binaryConflicts', []))
 		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)))
@@ -148,10 +155,35 @@ def createDebianFiles(config):
 			files.append(os.path.join(debDir, "%s-dbg_%s_%s.deb" % (binaryName, version, arch)))
 	# install file
 	with open('debian/'+binaryName+'.install', 'w') as f:
-		for line in config.get('binaryInstall', []):
+		for line in config.get('binaryInstallFiles', []):
 			if line.startswith('/'): # a file from within the package, not from the source tree
 				line = 'debian/'+binaryName+line
 			print >>f, line
+	# maintainer scripts for alternatives
+	if 'alternatives' in config:
+		with open('debian/'+binaryName+'.postinst', 'w') as f:
+			print >>f, "#!/bin/sh"
+			print >>f, "set -e"
+			print >>f, 'if [ "$1" = "configure" ]; then'
+			for alternative in config['alternatives']:
+				print >>f, safeCall('update-alternatives', '--install', alternative['link'], alternative['name'], alternative['target'],
+					str(alternative['priority']))
+			print >>f, 'fi'
+			print >>f, ''
+			print >>f, '#DEBHELPER#'
+			print >>f, ''
+			print >>f, 'exit 0'
+		with open('debian/'+binaryName+'.prerm', 'w') as f:
+			print >>f, "#!/bin/sh"
+			print >>f, "set -e"
+			print >>f, 'if [ "$1" = "remove" ]; then'
+			for alternative in config['alternatives']:
+				print >>f, safeCall('update-alternatives', '--remove', alternative['name'], alternative['target'])
+			print >>f, 'fi'
+			print >>f, ''
+			print >>f, '#DEBHELPER#'
+			print >>f, ''
+			print >>f, 'exit 0'
 	# rules file: build system specific
 	with open('debian/rules', 'w') as f:
 		# get rule file for build system: may only touch auto_config and auto_clean rules and the dh options
@@ -168,17 +200,23 @@ def createDebianFiles(config):
 			r.env["DEB_CFLAGS_APPEND"] = '-g0'
 			r.env["DEB_CXXFLAGS_APPEND"] = '-g0'
 		r.dh += ['--parallel']
-		r.rules['builddeb'] = [safeCall(['dh_builddeb', "--destdir="+debDir])] # passing this gobally to dh results in weird problems (like stuff being installed there, and not in the package...)
+		if withPython2:
+			r.dh += ['--with=python2']
+			r.rules['python2'] = ['dh_python2 --no-guessing-versions']
+		r.rules['builddeb'] = [safeCall('dh_builddeb', "--destdir="+debDir)] # passing this gobally to dh results in weird problems (like stuff being installed there, and not in the package...)
 		r.rules['auto_test'] = []
 		# installation rule
-		r.rules['auto_install'] = [safeCall(['dh_auto_install', '--destdir=debian/'+binaryName])] # install everything into the binary package
+		r.rules['auto_install'] = [safeCall('dh_auto_install', '--destdir=debian/'+binaryName)] # install everything into the binary package
 		if 'binarySkipFiles' in config:
-			r.rules['auto_install'].append(safeCall(['cd', 'debian/'+binaryName]) + " && " +
-				safeCall(['rm'] + config['binarySkipFiles']))
+			r.rules['auto_install'].append(safeCall('cd', 'debian/'+binaryName) + " && " +
+				safeCall('rm', *config['binarySkipFiles']))
 		# for debug packages
 		if dbgPackage:
-			r.rules['strip'] = [safeCall(['dh_strip', '--dbg-package='+binaryName+"-dbg"])] # put debug files in appropriate package
-			r.rules['installdocs'] = [safeCall(['dh_installdocs', '--link-doc='+binaryName])] # make the doc folder of the dbg package a symlink
+			r.rules['strip'] = [safeCall('dh_strip', '--dbg-package='+binaryName+"-dbg")] # put debug files in appropriate package
+			r.rules['installdocs'] = [safeCall('dh_installdocs', '--link-doc='+binaryName)] # make the doc folder of the dbg package a symlink
+		# wait after configuration?
+		if config.get('waitAfterConfig', False):
+			r.rules['auto_configure'].append("@"+safeCall('read', '-p', 'Configuration done. Hit "Enter" to build the package. ', 'DUMMY_VAR')) # if we run in dash, we need to tell it which variable to use for the result...
 		# dump it to a file
 		r.write(f)
 	mode = os.stat('debian/rules').st_mode
@@ -188,30 +226,40 @@ def createDebianFiles(config):
 
 def buildDebianPackage(config):
 	commands = ['dpkg-checkbuilddeps', 'debian/rules clean', 'debian/rules build', 'fakeroot debian/rules binary', 'debian/rules clean']
-	command = ['nice', 'bash', '-c', ' && '.join(commands)]
+	command = ['bash', '-c', ' && '.join(commands)] # make it all one command, so we don't have to open and close the chroot too often
 	subprocess.check_call(commandInBuildEnv(config, command))
 	shutil.rmtree('debian') # it only contains what we just created
 
 ###################################################################
 # if we are called directly as script
 if __name__ == "__main__":
-	import imp
-	# get config
-	config = imp.load_source('config', 'auto-debuild.conf').__dict__
-	os.remove('auto-debuild.confc')
-	# generate debian files
-	if os.path.exists('debian'):
-		if raw_input("A debian folder already exists, to you want to remove it (y/N)? ").lower() != "y":
-			sys.exit(1)
-		shutil.rmtree('debian')
-	files = createDebianFiles(config)
-	# 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)? " % file).lower() != "y":
+	try:
+		import imp
+		# get config
+		config = imp.load_source('config', 'auto-debuild.conf').__dict__
+		os.remove('auto-debuild.confc')
+		# generate debian files
+		if os.path.exists('debian'):
+			if raw_input("A debian folder already exists, to you want to remove it (y/N)? ").lower() != "y":
 				sys.exit(1)
-	# run compilation
-	buildDebianPackage(config)
-	# install files
-	print "Installing created deb files..."
-	subprocess.check_call(['sudo', 'dpkg', '--install'] + files)
+			shutil.rmtree('debian')
+		files = createDebianFiles(config)
+		# 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)? " % file).lower() != "y":
+					sys.exit(1)
+		# run compilation
+		buildDebianPackage(config)
+		# install files
+		print "Installing created deb files..."
+		subprocess.check_call(['sudo', 'dpkg', '--install'] + files)
+	except (subprocess.CalledProcessError, KeyboardInterrupt) as e: # for some exceptions, a stackrace is usually pointless
+		print >> sys.stderr
+		print >> sys.stderr
+		if isinstance(e, KeyboardInterrupt): # str(e) would be the empty string
+			print >> sys.stderr, "Interruped by user"
+		else:
+			print >> sys.stderr, "Error during package creation: %s" % str(e)
+		print >> sys.stderr
+		sys.exit(1)