Add script for updating packages to the latest Dextrose patch set

1 files changed, 108 insertions, 0 deletions

diff --git a/rpms/bump-dx b/rpms/bump-dx
new file mode 100755
index 0000000..e221f62
--- /dev/null
+++ b/rpms/bump-dx
@@ -0,0 +1,108 @@
+#!/usr/bin/env python
+import os
+import subprocess
+import sys
+import time
+
+
+DEXTROSE_VERSION = 3
+
+
+def run_pipe(command, cwd=None):
+    pipe = subprocess.Popen(command, stdout=subprocess.PIPE, cwd=cwd)
+    stdout, stderr_ = pipe.communicate()
+    if pipe.returncode:
+        raise subprocess.CalledProcessError(pipe.returncode, command)
+
+    return stdout
+
+
+def get_git_config(name):
+    return run_pipe(['git', 'config', '--get', name]).strip()
+
+
+def get_author():
+    name = get_git_config('user.name')
+    email = get_git_config('user.email')
+    return '%(name)s <%(email)s>' % locals()
+
+
+def get_checksum(path):
+    directory, name = os.path.split(path)
+    return run_pipe(['md5sum', name], cwd=directory)
+
+
+def update_spec_lines(spec, package_name, patch_version):
+    dextrose_version = DEXTROSE_VERSION
+    upstream_version = None
+    epoch = ''
+    author = get_author()
+    for index, line in enumerate(spec[:]):
+        line = line.strip()
+        if line.startswith('Version:'):
+            upstream_version = line.split()[-1]
+
+        elif line.startswith('Epoch:'):
+            epoch = line.split()[-1] + ':'
+
+        elif line.startswith('Release:'):
+            spec[index] = 'Release: %(patch_version)s.dx%(dextrose_version)s%%{?dist}\n' % locals()
+
+        elif line.startswith('Source') and 'dextrose/patchsets' in line:
+            without_version = line[:-len('YYYYMMDD.tar.gz')]
+            spec[index] = without_version + patch_version + '.tar.gz\n'
+
+        elif line == '%changelog':
+            date = time.strftime('%a %b %e %Y')
+            header = '* %(date)s %(author)s - %(epoch)s%(upstream_version)s-%(patch_version)s.dx%(dextrose_version)s\n' % locals()
+            message = '- update to Dextrose %(dextrose_version)s patch set %(patch_version)s\n' % locals()
+            spec[index + 1:index + 1] = [header, message]
+
+
+def update_spec(package_name, patch_version):
+    spec_name = os.path.join(package_name, package_name + '.spec')
+    spec = file(spec_name).readlines()
+    update_spec_lines(spec, package_name, patch_version)
+    file(spec_name, 'w').writelines(spec)
+
+
+def copy_patchset(package_name, patch_version):
+    dextrose_version = DEXTROSE_VERSION
+    source_path = 'sunjammer:public_html/dextrose/patchsets/%(package_name)s-dx%(dextrose_version)s-%(patch_version)s.tar.gz' % locals()
+    subprocess.check_call(['scp', '-4', source_path, package_name + '/'])
+
+
+def update_sources(package_name, patch_version):
+    dextrose_version = DEXTROSE_VERSION
+    sources_name = os.path.join(package_name, 'sources')
+    old_checksums = file(sources_name).readlines()
+    checksums = [line
+                 for line in old_checksums
+                 if '-dx' + str(DEXTROSE_VERSION) + '-' not in line]
+    tarball_name = '%(package_name)s-dx%(dextrose_version)s-%(patch_version)s.tar.gz' % locals()
+    tarball_path = os.path.join(package_name, tarball_name)
+    checksums.append(get_checksum(tarball_path))
+    file(sources_name, 'w').writelines(checksums)
+
+
+def bump_package(package_name, patch_version):
+    copy_patchset(package_name, patch_version)
+    update_spec(package_name, patch_version)
+    update_sources(package_name, patch_version)
+
+
+def print_syntax(my_name):
+    print 'Usage: ./bump-dx <package name> <patch version>'
+    print 'Update RPM spec file to use updated DX3 patch set'
+    return 1
+
+
+def main(my_name, args):
+    if len(args) != 2:
+        return print_syntax(my_name)
+
+    package_name, patch_version = args
+    bump_package(package_name, patch_version)
+
+
+sys.exit(main(sys.argv[0], sys.argv[1:]))