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From: "Ulrich Müller" <ulm@gentoo.org>
To: gentoo-pms@lists.gentoo.org
Subject: [gentoo-pms] [PATCH 11/22] EAPI 6: Explain eapply behavior.
Date: Thu, 15 Oct 2015 12:50:10 +0200	[thread overview]
Message-ID: <1444906221-30505-12-git-send-email-ulm@gentoo.org> (raw)
In-Reply-To: <1444906221-30505-1-git-send-email-ulm@gentoo.org>

From: Michał Górny <mgorny@gentoo.org>

Bug: 463768
---
 pkg-mgr-commands.tex | 31 +++++++++++++++++++++++++++++--
 1 file changed, 29 insertions(+), 2 deletions(-)

diff --git a/pkg-mgr-commands.tex b/pkg-mgr-commands.tex
index 7997323..8fb8059 100644
--- a/pkg-mgr-commands.tex
+++ b/pkg-mgr-commands.tex
@@ -148,14 +148,41 @@ These commands are used during the \t{src\_prepare} phase to apply patches to th
 Ebuilds must not run any of these commands once the current phase function has returned.
 
 \begin{description}
-\item[eapply] \featurelabel{eapply}
+\item[eapply] \featurelabel{eapply} Takes zero or more GNU patch options, followed by one or more
+    file or directory paths. Processes options and applies all patches found in specified locations
+    according to Algorithm~\ref{alg:eapply}. If applying the patches fails, it aborts the build
+    using \t{die}, unless run using \t{nonfatal}, in which case it returns non-zero exit status.
     Only available in EAPIs listed in table~\ref{tab:patch-commands} as supporting \t{eapply}.
 \end{description}
 
 \begin{algorithm}
 \caption{eapply logic} \label{alg:eapply}
 \begin{algorithmic}[1]
-\STATE \COMMENT{WORK IN PROGRESS}
+\IF{any parameter is equal to \t{"-{}-"}}
+    \STATE collect all parameters before the first \t{"-{}-"} in the \t{options} array
+    \STATE collect all parameters after the first \t{"-{}-"} in the \t{files} array
+\ELSIF{any parameter that begins with a hyphen follows one that does not}
+    \STATE abort the build process with an error
+\ELSE
+    \STATE collect all parameters beginning with a hyphen in the \t{options} array
+    \STATE collect all remaining parameters in the \t{files} array
+\ENDIF
+
+\FORALL{\t{x} in the \t{files} array}
+    \IF{\t{\$x} is a directory}
+        \FORALL{files \t{f} matching \t{\$x/*.diff} or \t{\$x/*.patch}, sorted in POSIX locale}
+            \STATE call \t{patch -p1 -f -g0 -{}-no-backup-if-mismatch "\$\{options[@]\}" < "\$f"}
+            \IF{child process returned with non-zero exit status}
+                \STATE return immediately with an error
+            \ENDIF
+        \ENDFOR
+    \ELSE
+        \STATE call \t{patch -p1 -f -g0 -{}-no-backup-if-mismatch "\$\{options[@]\}" < "\$x"}
+        \IF{child process returned with non-zero exit status}
+            \STATE return immediately with an error
+        \ENDIF
+    \ENDIF
+\ENDFOR
 \end{algorithmic}
 \end{algorithm}
 
-- 
2.6.1



  parent reply	other threads:[~2015-10-15 10:50 UTC|newest]

Thread overview: 53+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-10-15 10:49 [gentoo-pms] EAPI 6 draft for review Ulrich Müller
2015-10-15 10:50 ` [gentoo-pms] [PATCH 01/22] Add an EAPI 6 identical to EAPI 5 Ulrich Müller
2015-10-15 10:50 ` [gentoo-pms] [PATCH 02/22] Rework the EAPI feature table Ulrich Müller
2015-10-15 10:50 ` [gentoo-pms] [PATCH 03/22] Reformat EAPI tables to be more compact Ulrich Müller
2015-10-15 10:50 ` [gentoo-pms] [PATCH 04/22] Delete redundant sentence in the list of defined EAPIs Ulrich Müller
2015-10-15 10:50 ` [gentoo-pms] [PATCH 05/22] EAPI 6 supports package.* and use.* directories Ulrich Müller
2015-11-05 18:38   ` David Leverton
2015-11-05 19:11     ` Ulrich Mueller
2015-11-05 22:14     ` Michał Górny
2015-11-05 22:25       ` Ulrich Mueller
2015-11-06 21:38         ` Michał Górny
2015-11-06 22:52           ` Ulrich Mueller
2015-11-05 22:07   ` Michał Górny
2015-11-06 21:32   ` David Leverton
2015-11-06 23:27     ` Ulrich Mueller
2015-11-07  0:08       ` Ulrich Mueller
2015-11-07  0:12       ` David Leverton
2015-11-07  0:58         ` Ulrich Mueller
2015-11-07  9:03         ` Michał Górny
2015-10-15 10:50 ` [gentoo-pms] [PATCH 06/22] EAPI 6: Bash version is 4.2 Ulrich Müller
2015-10-15 10:50 ` [gentoo-pms] [PATCH 07/22] EAPI 6 enables failglob in global scope Ulrich Müller
2015-10-15 10:50 ` [gentoo-pms] [PATCH 08/22] EAPI 6: einstall banned Ulrich Müller
2015-10-15 10:50 ` [gentoo-pms] [PATCH 09/22] EAPI 6: die and assert called with -n respect nonfatal Ulrich Müller
2015-10-15 10:50 ` [gentoo-pms] [PATCH 10/22] EAPI 6 has eapply Ulrich Müller
2015-10-15 10:50 ` Ulrich Müller [this message]
2015-10-16 10:08   ` [gentoo-pms] [PATCH 11/22] EAPI 6: Explain eapply behavior Michał Górny
2015-10-16 15:45     ` Ulrich Mueller
2015-10-15 10:50 ` [gentoo-pms] [PATCH 12/22] EAPI 6 has eapply_user Ulrich Müller
2015-10-15 10:50 ` [gentoo-pms] [PATCH 13/22] EAPI 6 has a default src_prepare Ulrich Müller
2015-10-15 10:50 ` [gentoo-pms] [PATCH 14/22] EAPI 6: econf adds --docdir and --htmldir Ulrich Müller
2015-10-15 10:50 ` [gentoo-pms] [PATCH 15/22] EAPI 6 has in_iuse Ulrich Müller
2015-10-15 16:40   ` Ciaran McCreesh
2015-10-15 16:49     ` Ulrich Mueller
2015-10-15 16:56       ` Ciaran McCreesh
2015-10-15 17:05         ` Ulrich Mueller
2015-10-15 17:11           ` Ciaran McCreesh
2015-10-15 17:51             ` [gentoo-pms] [PATCH] Calling a USE list function in global scope is an error Ulrich Müller
2015-10-18 11:14               ` [gentoo-pms] " Ulrich Mueller
2015-10-15 18:34         ` [gentoo-pms] [PATCH 15/22] EAPI 6 has in_iuse Michał Górny
2015-10-15 18:33     ` Michał Górny
2015-10-15 10:50 ` [gentoo-pms] [PATCH 16/22] EAPI 6: unpack supports absolute and relative paths Ulrich Müller
2015-10-15 10:50 ` [gentoo-pms] [PATCH 17/22] EAPI 6: unpack supports txz Ulrich Müller
2015-10-15 10:50 ` [gentoo-pms] [PATCH 18/22] EAPI 6: unpack matches filename extensions case-insensitively Ulrich Müller
2015-10-15 10:50 ` [gentoo-pms] [PATCH 19/22] EAPI 6 has einstalldocs Ulrich Müller
2015-11-03 17:24   ` David Leverton
2015-11-03 17:53     ` Michał Górny
2015-11-03 19:51       ` Ulrich Mueller
2015-11-03 19:44     ` Ulrich Mueller
2015-11-03 20:36       ` Ulrich Mueller
2015-11-03 23:07         ` David Leverton
2015-10-15 10:50 ` [gentoo-pms] [PATCH 20/22] EAPI 6 has a different src_install implementation Ulrich Müller
2015-10-15 10:50 ` [gentoo-pms] [PATCH 21/22] EAPI 6 has get_libdir Ulrich Müller
2015-10-15 10:50 ` [gentoo-pms] [PATCH 22/22] Merge several EAPI feature tables Ulrich Müller

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