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From: "Michał Górny" <mgorny@gentoo.org>
To: gentoo-pms@lists.gentoo.org
Cc: Ciaran McCreesh <ciaran.mccreesh@googlemail.com>
Subject: Re: [gentoo-pms] Rephrasing *DEPEND
Date: Sun, 12 Jun 2011 20:52:36 +0200	[thread overview]
Message-ID: <20110612205236.13bbdd4b@pomiocik.lan> (raw)
In-Reply-To: <20110611125341.185e19d9@googlemail.com>


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And here goes another proposal.

This time I introduced a table to clearly state phase function <->
dependency class relationships but I guess someone with a taste should
look at it and make it look good :P.

-- 
Best regards,
Michał Górny

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From e1bce9a316494f14d059b5afc0e1912832622334 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micha=C5=82=20G=C3=B3rny?= <mgorny@gentoo.org>
Date: Sat, 11 Jun 2011 09:32:03 +0200
Subject: [PATCH] Rephrase *DEPEND to state when and whether they are
 installed.

---
 dependencies.tex |   27 ++++++++++++++++++++++-----
 1 files changed, 22 insertions(+), 5 deletions(-)

diff --git a/dependencies.tex b/dependencies.tex
index f6318d8..b218579 100644
--- a/dependencies.tex
+++ b/dependencies.tex
@@ -6,13 +6,30 @@
 There are three classes of dependencies supported by ebuilds:
 
 \begin{compactitem}
-\item Build dependencies (\t{DEPEND}). These must be installed and usable before the ebuild
-    is installed.
-\item Runtime dependencies (\t{RDEPEND}). These must be installed and usable before the ebuild
-    is treated as usable.
-\item Post dependencies (\t{PDEPEND}). These must be installed at some point.
+\item Build dependencies (\t{DEPEND}). These must be installed and usable before any of
+	the ebuild \t{src\_*} phase functions is executed. These may not be installed at all
+	if a binary package is being merged.
+\item Runtime dependencies (\t{RDEPEND}). These must be installed and usable before
+	the results of an ebuild merging are treated as usable.
+\item Post dependencies (\t{PDEPEND}). These must be installed at some point before
+	the package manager finishes the batch of installs.
 \end{compactitem}
 
+\begin{centertable}{Dependency classes required to be satisfied for a particular phase function} \label{tab:phase-function-dependency-classes}
+    \begin{tabular}{ p{0.2\textwidth} p{0.7\textwidth} }
+        \toprule
+        \multicolumn{1}{c}{\textbf{Phase function}} &
+        \multicolumn{1}{c}{\textbf{Satisfied dependency classes}} \\
+        \midrule
+	\t{pkg\_pretend}, \t{pkg\_setup}, \t{pkg\_info}, \t{pkg\_nofetch} & None (ebuilds can rely only on the packages in the system set) \\
+    \t{src\_unpack}, \t{src\_prepare}, \t{src\_configure}, \t{src\_compile}, \t{src\_test}, \t{src\_install} & \t{DEPEND} \\
+    \t{pkg\_preinst}, \t{pkg\_postinst}, \t{pkg\_prerm}, \t{pkg\_postrm}, \t{pkg\_config} & \t{RDEPEND} \\
+    \bottomrule
+    \end{tabular}
+\end{centertable}
+
+Table~\ref{tab:phase-function-dependency-classes} lists dependencies which must be satisfied before a particular phase function is executed.
+
 In addition, \t{SRC\_URI}, \t{HOMEPAGE}, \t{PROVIDE}, \t{RESTRICT}, \t{PROPERTIES}, \t{LICENSE} and
 \t{REQUIRED\_USE} use dependency-style specifications to specify their values.
 
-- 
1.7.5.3


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  parent reply	other threads:[~2011-06-12 18:52 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-06-11  7:32 [gentoo-pms] Rephrasing *DEPEND Michał Górny
2011-06-11 11:53 ` Ciaran McCreesh
2011-06-12  7:52   ` Michał Górny
2011-06-12  8:18     ` Ulrich Mueller
2011-06-12  9:13       ` Zac Medico
2011-06-12 13:16         ` Michał Górny
2011-06-12 14:49           ` Ulrich Mueller
2011-06-12 14:55             ` Ciaran McCreesh
2011-06-12 18:03           ` Zac Medico
2011-06-12 18:19             ` Ciaran McCreesh
2011-06-12 14:01         ` Brian Harring
2011-06-12 13:29       ` Ciaran McCreesh
2011-06-12 18:52   ` Michał Górny [this message]
2011-06-19 21:21 ` Michał Górny
2011-06-19 21:36   ` Ciaran McCreesh
2011-06-20  6:34     ` Michał Górny
2011-06-20 11:26     ` Ulrich Mueller

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