From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Wed, 24 Sep 2008 12:37:26 +0000 From: "Alexey M. Tourbin" To: devel@lists.altlinux.org Message-ID: <20080924123726.GI839@altlinux.org> Mail-Followup-To: devel@lists.altlinux.org Mime-Version: 1.0 Content-Type: text/plain; charset=koi8-r Content-Disposition: inline Content-Transfer-Encoding: 8bit Subject: [devel] %post-script prerequisites X-BeenThere: devel@lists.altlinux.org X-Mailman-Version: 2.1.10b3 Precedence: list Reply-To: ALT Linux Team development discussions List-Id: ALT Linux Team development discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 24 Sep 2008 12:37:26 -0000 Archived-At: List-Archive: List-Post: Когда в %post-скрипте пакета запускается программа, запакованная в сам этот пакет, тогда некоторые зависимости Requires пакета нужно продублировать в Requires(post). Например, если в пакете libgtk+2 запускается программа gkt-update-icon-cache, то должна появиться зависимость на новый пакет glib2 вида Requires(post): libglib-2.0.so.0(GLIB_2.18). Update of /people/at/packages/rpm.git Changes statistics since `4.0.4-alt95.M41.4-7-g3de7779' follows: scripts/find-scriptlet-requires.in | 27 +++++++++++++++++++++++++++ 1 files changed, 27 insertions(+), 0 deletions(-) Changelog since `4.0.4-alt95.M41.4-7-g3de7779' follows: commit 555b366b2df864b37878a989ce337078555316a4 Author: Alexey Tourbin Date: Wed Sep 24 12:17:39 2008 +0000 find-scriptlet-requires: describe Requires(post) problem in %post-scripts Full diff since `4.0.4-alt95.M41.4-7-g3de7779' follows: diff --git a/scripts/find-scriptlet-requires.in b/scripts/find-scriptlet-requires.in index 85d432e..6d37605 100755 --- a/scripts/find-scriptlet-requires.in +++ b/scripts/find-scriptlet-requires.in @@ -77,4 +77,31 @@ RunMethods req "$methods" RunMethod PrintDeps >"$workdir"/deps0 if [ -s "$workdir"/deps0 ]; then cat "$workdir"/deps0 +else + exit fi + +# Consider a program which is packaged into a package, and which gets +# called in %post or %preun scriptlet of the package (e.g. in libgtk+2, +# gtk-update-icon-cache might be called in %post-script). Packaged +# programs have "Requires" dependencies, and, for %post and %preun scripts, +# the dependencies on packaged programs are optimized out (as well as other +# dependencies provided by the package). This is a problem: when executing +# %post-script, its prerequisites might not be installed yet (e.g. +# gtk-update-icon-cache requires recent glib2 version installed/upgraded +# before libgtk+2). + +# The solution is: 1) to detect all packaged programs (and files), recursively, +# which are used in %post-script; and 2) to find prerequisites for such files +# and programs (which are not provided by the package itself), and add them to +# Requires(post) dependencies. Also, we want to ensure that 3) the list of +# Requires(post) additional dependencies is only a subset of original Requires. + +# The above applies only to %post and %preun scriptlets. +case "${script##*/}" in + .post:* | .preun:* ) ;; + *) exit ;; +esac + +# The above applies only if packaged programs can be used in scripts. +[ -s "$RPM_BUILD_ROOT/.files:${RPM_SUBPACKAGE_NAME:?}" ] || exit 0