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Diffstat (limited to 'contrib/ciabot/ciabot.py')
| -rwxr-xr-x | contrib/ciabot/ciabot.py | 222 |
1 files changed, 222 insertions, 0 deletions
diff --git a/contrib/ciabot/ciabot.py b/contrib/ciabot/ciabot.py new file mode 100755 index 0000000000..9775dffb5d --- /dev/null +++ b/contrib/ciabot/ciabot.py @@ -0,0 +1,222 @@ +#!/usr/bin/env python +# Copyright (c) 2010 Eric S. Raymond <esr@thyrsus.com> +# Distributed under BSD terms. +# +# This script contains porcelain and porcelain byproducts. +# It's Python because the Python standard libraries avoid portability/security +# issues raised by callouts in the ancestral Perl and sh scripts. It should +# be compatible back to Python 2.1.5 +# +# usage: ciabot.py [-V] [-n] [-p projectname] [refname [commits...]] +# +# This script is meant to be run either in a post-commit hook or in an +# update hook. If there's nothing unusual about your hosting setup, +# you can specify the project name with a -p option and avoid having +# to modify this script. Try it with -n to see the notification mail +# dumped to stdout and verify that it looks sane. With -V it dumps its +# version and exits. +# +# In post-commit, run it without arguments (other than possibly a -p +# option). It will query for current HEAD and the latest commit ID to +# get the information it needs. +# +# In update, call it with a refname followed by a list of commits: +# You want to reverse the order git rev-list emits becxause it lists +# from most recent to oldest. +# +# /path/to/ciabot.py ${refname} $(git rev-list ${oldhead}..${newhead} | tac) +# +# Note: this script uses mail, not XML-RPC, in order to avoid stalling +# until timeout when the CIA XML-RPC server is down. +# + +# +# The project as known to CIA. You will either want to change this +# or invoke the script with a -p option to set it. +# +project=None + +# +# You may not need to change these: +# +import os, sys, commands, socket, urllib + +# Name of the repository. +# You can hardwire this to make the script faster. +repo = os.path.basename(os.getcwd()) + +# Fully-qualified domain name of this host. +# You can hardwire this to make the script faster. +host = socket.getfqdn() + +# Changeset URL prefix for your repo: when the commit ID is appended +# to this, it should point at a CGI that will display the commit +# through gitweb or something similar. The defaults will probably +# work if you have a typical gitweb/cgit setup. +# +#urlprefix="http://%(host)s/cgi-bin/gitweb.cgi?p=%(repo)s;a=commit;h=" +urlprefix="http://%(host)s/cgi-bin/cgit.cgi/%(repo)s/commit/?id=" + +# The service used to turn your gitwebbish URL into a tinyurl so it +# will take up less space on the IRC notification line. +tinyifier = "http://tinyurl.com/api-create.php?url=" + +# The template used to generate the XML messages to CIA. You can make +# visible changes to the IRC-bot notification lines by hacking this. +# The default will produce a notfication line that looks like this: +# +# ${project}: ${author} ${repo}:${branch} * ${rev} ${files}: ${logmsg} ${url} +# +# By omitting $files you can collapse the files part to a single slash. +xml = '''\ +<message> + <generator> + <name>CIA Python client for Git</name> + <version>%(gitver)s</version> + <url>%(generator)s</url> + </generator> + <source> + <project>%(project)s</project> + <branch>%(repo)s:%(branch)s</branch> + </source> + <timestamp>%(ts)s</timestamp> + <body> + <commit> + <author>%(author)s</author> + <revision>%(rev)s</revision> + <files> + %(files)s + </files> + <log>%(logmsg)s %(url)s</log> + <url>%(url)s</url> + </commit> + </body> +</message> +''' + +# +# No user-serviceable parts below this line: +# + +# Addresses for the e-mail. The from address is a dummy, since CIA +# will never reply to this mail. +fromaddr = "CIABOT-NOREPLY@" + host +toaddr = "cia@cia.navi.cx" + +# Identify the generator script. +# Should only change when the script itself gets a new home and maintainer. +generator="http://www.catb.org/~esr/ciabot.py" + +def do(command): + return commands.getstatusoutput(command)[1] + +def report(refname, merged): + "Generate a commit notification to be reported to CIA" + + # Try to tinyfy a reference to a web view for this commit. + try: + url = open(urllib.urlretrieve(tinyifier + urlprefix + merged)[0]).read() + except: + url = urlprefix + merged + + branch = os.path.basename(refname) + + # Compute a shortnane for the revision + rev = do("git describe '"+ merged +"' 2>/dev/null") or merged[:12] + + # Extract the neta-information for the commit + rawcommit = do("git cat-file commit " + merged) + files=do("git diff-tree -r --name-only '"+ merged +"' | sed -e '1d' -e 's-.*-<file>&</file>-'") + inheader = True + headers = {} + logmsg = "" + for line in rawcommit.split("\n"): + if inheader: + if line: + fields = line.split() + headers[fields[0]] = " ".join(fields[1:]) + else: + inheader = False + else: + logmsg = line + break + (author, ts) = headers["author"].split(">") + + # This discards the part of the authors addrsss after @. + # Might be bnicece to ship the full email address, if not + # for spammers' address harvesters - getting this wrong + # would make the freenode #commits channel into harvester heaven. + author = author.replace("<", "").split("@")[0].split()[-1] + + # This ignores the timezone. Not clear what to do with it... + ts = ts.strip().split()[0] + + context = locals() + context.update(globals()) + + out = xml % context + + message = '''\ +Message-ID: <%(merged)s.%(author)s@%(project)s> +From: %(fromaddr)s +To: %(toaddr)s +Content-type: text/xml +Subject: DeliverXML + +%(out)s''' % locals() + + return message + +if __name__ == "__main__": + import getopt + + try: + (options, arguments) = getopt.getopt(sys.argv[1:], "np:V") + except getopt.GetoptError, msg: + print "ciabot.py: " + str(msg) + raise SystemExit, 1 + + mailit = True + for (switch, val) in options: + if switch == '-p': + project = val + elif switch == '-n': + mailit = False + elif switch == '-V': + print "ciabot.py: version 3.2" + sys.exit(0) + + # Cough and die if user has not specified a project + if not project: + sys.stderr.write("ciabot.py: no project specified, bailing out.\n") + sys.exit(1) + + # We'll need the git version number. + gitver = do("git --version").split()[0] + + urlprefix = urlprefix % globals() + + # The script wants a reference to head followed by the list of + # commit ID to report about. + if len(arguments) == 0: + refname = do("git symbolic-ref HEAD 2>/dev/null") + merges = [do("git rev-parse HEAD")] + else: + refname = arguments[0] + merges = arguments[1:] + + if mailit: + import smtplib + server = smtplib.SMTP('localhost') + + for merged in merges: + message = report(refname, merged) + if mailit: + server.sendmail(fromaddr, [toaddr], message) + else: + print message + + if mailit: + server.quit() + +#End |