Add support for providing alternatives
[auto-debuild.git] / auto_debuild.py
index c827a12fcb41428a0fb0bfabc947e61097c1b9e2..8441f079aeae1fe7c083ad2ea0935f2e75631e32 100755 (executable)
@@ -101,6 +101,7 @@ def createDebianFiles(config):
        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 = []
@@ -108,7 +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)"
@@ -140,6 +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)))
@@ -157,6 +159,31 @@ def createDebianFiles(config):
                        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
@@ -173,6 +200,9 @@ def createDebianFiles(config):
                        r.env["DEB_CFLAGS_APPEND"] = '-g0'
                        r.env["DEB_CXXFLAGS_APPEND"] = '-g0'
                r.dh += ['--parallel']
+               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
@@ -203,23 +233,33 @@ def buildDebianPackage(config):
 ###################################################################
 # 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)