A simple start/stop/status wrapper to hg serve

[Yann E. MORIN]

Hello All!

The attached script, hgserve, is a simple wrapper to easily start and stop
local "hg serve" daemons. It can also list the currently running daemons.
The "hg serve" daemons are bound to the loopback address only, and a
listening port can be specified.

I wrote this script because I needed to locally browse a few repositories
during development, and found it quite cumbersome to manually start
"hg serve" daemons so they went to backgound and be silent, and even more
cumbersome to then stop them when I did no longer need them.

So I came up with this little script, and if it can help someone else,
then all the better! It's quite crude, but it works. :-)

Here's the output of "hgserve help" for more explanations:

--8<--
'hgserve': serves the current Mercurial repository via http

'hgserve' manages running and stopping a Mercurial's 'hg serve'
server for the current repository. The server binds to the loopback
address only, for purely local serving.

'hgserve' can come handy if you want to browse multiple repositories
on your machine, and avoids the hassle of manually starting/stopping
the servers.

Usage:
    hgserve [action] [port]

    action
      Performs the specified action: start, stop, status, or help.
        start : starts a server (default)
        stop  : stops a server
        status: lists possibly running servers
        help  : prints this help

    port
      Starts a server on that port, or stops the server already running
      on that port. Default port is 8000 (hg serve default port).

Examples:
  hgserve
  hgserve start
    starts a server listenning on port 8000

  hgserve 8192
  hgserve start 8192
    starts a server listenning on port 8192

  hgserve stop
    stops the server listenning on port 8000

  hgserve stop 8192
    stops the server listenning on port 8192

  hgserve status
    prints a list of (possible) running servers, with the
    port they each are running on, and the repository they
    each are serving
--8<--

Regards,
Yann E. MORIN.

PS. There are a few pre-requisites: curl, awk, netstat, ps, grep, printf,
    setsid, and a POSIX-compliant shell. But that shall not be a problem
    on most setups...
    Oh, it's not in Python, but pure shell, sorry! :-]
YEM.

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