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git_version.py
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git_version.py
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#
# Look for module versions in manifest.mf files, and potentially update them.
#
# To use NetBeans auto-update, the module version numbers must be updated.
# We don't want to do a blanket "update everything", because only the modules
# that have changed should have their versions updated.
# The time stamp of the latest build is used as a version number.
#
import os
import os.path
import subprocess
import sys
import getopt
import datetime
MANIFEST = '__manifest__'
PROJECT_DIR = '__projdir__'
MF_VERSION = 'OpenIDE-Module-Specification-Version'
MF_BUNDLE = 'OpenIDE-Module-Localizing-Bundle'
B_MODULE_NAME = 'OpenIDE-Module-Name'
def getManifest(projectDir):
m = None
manifest = os.path.join(projectDir, 'manifest.mf')
if os.path.isfile(manifest):
m = {MANIFEST:manifest, PROJECT_DIR:projectDir}
f = open(manifest)
for line in f:
line = line.strip()
if line:
p = line.index(':')
key = line[:p]
value = line[p+1:].lstrip()
m[key] = value
f.close()
return m
def updateManifest(projectDir, version):
'''Update a manifest with a new specification version.'''
lines = []
manifest = os.path.join(projectDir, 'manifest.mf')
if os.path.isfile(manifest):
f = open(manifest)
for line in f:
line = line.strip()
lines.append(line)
f.close()
f = open(manifest, 'w')
for line in lines:
if line.startswith(MF_VERSION+':'):
p = line.index(' ')
line = line[:p+1] + version
f.write('%s\n' % line)
f.close()
def getBundle(manifest):
projectDir = manifest[PROJECT_DIR]
print("Processing: " + projectDir)
if MF_BUNDLE not in manifest:
print("Skipping %s" % projectDir)
return None
else:
bundleName = manifest[MF_BUNDLE]
bundle = os.path.join(projectDir, 'src', bundleName)
b = {}
f = open(bundle)
fullLine = ''
for line in f:
line = line.strip()
if line:
if line.endswith('\\'):
fullLine += line[:-1]
else:
fullLine += line
p = fullLine.index('=')
key = fullLine[:p]
value = fullLine[p+1:]
b[key] = value
fullLine = ''
f.close()
return b
def getGitChangeSetTimeStamp(path):
'''Use Git to find out the datetime of the last changeset for a module'''
'''Returns a formatted timestamp to use as a version number'''
cmd = ['git','log', '-1', '--walk-reflogs', '--pretty=format:%ct', '--', path]
# print cmd
p = subprocess.Popen(cmd, bufsize=0, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
out,err = p.communicate()
if err:
print('!!')
print('!!', err)
print('!!')
out = None
if not out:
cmd = ['git','log', '-1', '--pretty=format:%ct', '--', path]
# print cmd
p = subprocess.Popen(cmd, bufsize=0, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
out,err = p.communicate()
if err:
print('!!')
print('!!', err)
print('!!')
out = None
print('UNIX timestamp: %s' % out)
out = datetime.datetime.fromtimestamp(float(out))
out = out.strftime("%Y%m%d.%H%M%S")
return out
def getNextVersion(version,build_number):
'''Update a version number of the form a.b.c... by adding a build number.
If the version number has less than two parts, it will be extended
to two parts.'''
v = version.split('.')
v = v[:3]
while len(v)<3:
v.append('0')
v[0] = '2'
v[-1] = str(build_number)
return '.'.join(v)
def main(argv):
build_number = ''
force_update = ''
try:
opts, args = getopt.getopt(argv,"hu:",["force-update="])
except getopt.GetoptError:
print('Usage:\n%s -b <build-number> -u <force_update [y/N]>' % sys.argv[0])
sys.exit(2)
for opt, arg in opts:
if opt == 'h':
print('Usage:\n%s -b <build-number> -u <force_update [y/N]>' % sys.argv[0])
sys.exit(1)
elif opt in ("-u", "--force-update"):
force_update = arg
print('Build Number is "', build_number, '"')
# Get a list of all directories in the current directory
moduleDirectories = set()
dirs = os.listdir(os.curdir)
for dir in dirs:
if os.path.isdir(dir):
if dir[0] != ".":
moduleDirectories.add(dir)
# Find any manifests for the projects in those directories.
#
manifests = []
for directory in moduleDirectories:
m = getManifest(directory)
if m:
manifests.append(m)
# Get an ordered list of module names.
# Don't include any modules that aren't from package au.gov.*
modules = {}
for m in manifests:
b = getBundle(m)
if b is None:
continue
if "au.gov." in m['OpenIDE-Module']:
modules[b[B_MODULE_NAME]] = m
# Display the results.
#
for mn in sorted(modules.keys()):
module = modules[mn]
version = module[MF_VERSION]
if version:
b = getBundle(module)
moduleName = b[B_MODULE_NAME]
print('%-25s %s %s (next version is %s)' % (moduleName, module[PROJECT_DIR], version, getNextVersion(version, getGitChangeSetTimeStamp(module[PROJECT_DIR]))))
# Update?
#
if force_update == '':
sys.stdout.write('Update [y/N]? ')
sys.stdout.flush()
force_update = sys.stdin.readline().strip()
if force_update.upper()=='Y':
for m in modules:
module = modules[m]
projDir = module[PROJECT_DIR]
versionNext = getNextVersion(module[MF_VERSION], getGitChangeSetTimeStamp(projDir))
print(projDir, versionNext)
updateManifest(projDir, versionNext)
if __name__ == "__main__":
main(sys.argv[1:])