Re: [gentoo-dev] proposal: webapp.eclass (long)

[Alex Veber <coronalvr@gentoo.org>]

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On Wednesday 02 July 2003 20:35, Max Kalika wrote:
> There was a discussion a while back about where and how to install
> web-related applications.  As it is now, most webapps try to do some grep
> magic to see where the apache/apache2 doc root is.  Why not consolidate all
> this into an eclass with the following (very rough) design spec:
>
>
> --BEGIN---------------------------------------------------------
> inherit webapp
>
> # The directory to install. Defaults to "${S}"
> WEBAPP_SOURCE="/path/to/source/dir"
>
> # Override which files to install relative to ${WEBAPP_SOURCE}.
> # Allows files, and directories.  Defaults to all (unset).
> WEBAPP_FILES="file1.php file2.cgi dir1 dir2/file3.html"
>
> # Files to move to /etc/webapps/${PN} and link back so they
> # can be taken into account via CONFIG_PROTECT.
> # Defaults to none (unset).
> WEBAPP_CONFIGS="file1.php dir/config.php"
>
> # Whether or not this webapp contains CGIs. See below.
> # I can see a few packages benefiting from this: e.g. xmltv, mailman
> # nut, apcupsd.  Defaults to no (unset).
> WEBAPP_CGI="yes"
>
> # Path to a file contain other directives for the generated apache
> # configuration file.  Defaults to none (unset)
> WEBAPP_EXTRA="${FILESDIR}/somefile.conf"
>
> src_unpack()   nothing changes -- unpack as normal;
> src_compile()  nothing changes -- should have nothing to compile;
> src_install()  by default runs webapp_src_install()
> pkg_postinst() by default runs webapp_pkg_postinst()
> pkg_config()   by default runs webapp_pkg_config()
>
>
> webapp_src_install() is the workhorse
>   - copies ${WEBAPP_SOURCE} all together or the items specified under
>     ${WEBAPP_FILES} to /usr/share/webapps/${PN}. (I believe /usr/share/web
>     was mentioned as a target candidate as well)
>   - copies anything in ${WEBAPP_CONFIG} to /etc/webapps/${PN} and links
> back
>     to /usr/share/webapps/${PN}.  (Maybe /etc/web?)
>   - generates a ${PN}.conf and places it into /etc/apache2/conf/modules.d
> or
>     /etc/apache/conf/addon-modules (or both, depending on what exists).
>   - the conf file may look something like:
>
>   Alias /${PN}/ /usr/share/webapps/${PN}/
>   <Directory /usr/share/webapps/${PN}>
>     AllowOverride Limit
>     Options Indexes FollowSymLinks # ExecCGI if ${WEBAPP_CGI}
>     # contents of ${WEBAPP_EXTRA} if it exists
>   </Directory>
>
> webapp_pkg_postinst()
>   - prints an einfo about running /var/db/pkg/${PF}/${PF}.ebuild config
>
> webapp_pkg_config()
>   - activates the $PN.conf file created by webapp_src_install()
> ----END---------------------------------------------------------
>
>
> Again, this is all very rough and is probably missing important features.
> Here's a sample ebuild that can take advantage of this eclass (there's
> absolutely zero testing done because the said eclass is not yet
> implemented).
>
>
> --BEGIN-[net-www/myweb-0.10.ebuild]-----------------------------
> inherit webapp
>
> IUSE=""
> DESCRIPTION="PHP scripts intended to manage MythTV from a web browser."
> HOMEPAGE="http://www.mythtv.org/"
> SRC_URI="http://www.mythtv.org/mc/${P}.tar.bz2"
>
> LICENSE="GPL-2"
> SLOT="0"
> KEYWORDS="~x86"
>
> RDEPEND="dev-db/mysql
> 	dev-php/mod_php"
>
> src_install() {
>
> 	WEBAPP_CONFIGS="settings.php"
> 	webapp_src_install()
>
> 	dodoc README
>
> }
> ----END---------------------------------------------------------
>
> ---max kalika
> --max@lsit.ucsb.edu
> -lsit systems administrator
>
> --
> gentoo-dev@gentoo.org mailing list


ohh, I like it, I am working on ebuilds for ACID and its deps so ALL the 
ebuilds could use that eclass.
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