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Date: Thu, 26 Sep 2019 21:10:25 +0000
From: Eric Wong <e@80x24.org>
To: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
Cc: meta@public-inbox.org
Subject: Re: Git-only operation mode
Message-ID: <20190926211025.GA11146@dcvr>
References: <20190925182431.GA4628@chatter.i7.local>
 <20190925194503.GA21501@dcvr>
 <20190925195838.GB4628@chatter.i7.local>
 <20190925224500.GA28628@dcvr>
 <20190926205222.GC10467@chatter.i7.local>
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Konstantin Ryabitsev <konstantin@linuxfoundation.org> wrote:
> On Wed, Sep 25, 2019 at 10:45:00PM +0000, Eric Wong wrote:
> > > A follow-up to that -- is running "public-inbox-index" on the
> > > repository
> > > after it's been updated enough to update the xapian db? It would be easy to
> > > do so as part of the grok-pull post-update hook.
> > 
> > Yes, on a fresh clone.  You'll need to change indexlevel to
> > medium or full if it was setup using basic.
> > 
> > I haven't figured out how to use a grok-pull post-update hook to
> > run index on my clone of erol, since there's multiple epochs
> > per-inbox to deal with.
> 
> Theoretically, shouldn't be that difficult. The post-update hook fires on
> clone/update with the full path to the repo that got updated, e.g.
> 
> post-update-hook.sh /var/lib/public-inbox/lkml/git/7.git
> 
> Here's a quick and dirty start to the post-update-hook that I came up with:
> 
> -----
> #!/bin/bash
> 
> topdir=$(echo $1 | sed 's|/git/[[:digit:]]*\.git$||g')
> pidir=$(basename $topdir)
> url="http://localhost:8080/${pidir}"
> 
> cd $topdir/..
> 
> if [[ ! -f $pidir/msgmap.sqlite3 ]]; then
>    listid=$(git --git-dir=$1 show master:m | grep -i '^List-Id:' | sed 's|.*:.*<\(.*\)>$|\1|g')
>    email=$(echo $listid | sed 's|\.|@|')
>    public-inbox-init -V2 $pidir $pidir/ $url $email

If grok-pull is using multiple threads, there can be a race
there because parallel runs of public-inbox-init can clobber
each other (which needs to be fixed :x)

>    # Need logic here for adding to the config file

Yeah, I've been meaning to add something like "$INBOX_URL/_/text/config"
so some of the config keys can be easily cloned, too.

Not sure if it's something that can be stuffed in manifest.js.gz
or better as a separate file...  Probably separate file?

> fi
> 
> public-inbox-index $pidir
> -----
> 
> It needs some kind of a template entry for adding to the config file
> post-init, but this should at least do the right thing for running
> public-inbox-index on repo updates.
> 
> -K