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