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From: Thomas Monjalon <thomas.monjalon@6wind.com>
To: ci@dpdk.org
Date: Thu, 15 Dec 2016 00:05:15 +0100
Message-Id: <1481756723-4868-2-git-send-email-thomas.monjalon@6wind.com>
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<1481756723-4868-1-git-send-email-thomas.monjalon@6wind.com>
Subject: [dpdk-ci] [PATCH v5 1/9] tools: add mail filter
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This script acts as a pipe which blocks non-patch emails.
It can be used as a first filter before processing a patch.
Signed-off-by: Thomas Monjalon <thomas.monjalon@6wind.com>
---
README | 8 ++++
tools/filter-patch-email.sh | 111 ++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 119 insertions(+)
create mode 100755 tools/filter-patch-email.sh
diff --git a/README b/README
index b4bf001..806ce8f 100644
--- a/README
+++ b/README
@@ -44,3 +44,11 @@ The sender must be trusted (whitelisted) by dpdk.org.
If a report has the format of a "per-patch" test,
it is automatically integrated in patchwork.
+
+
+Scripts help
+------------
+
+Some scripts in this repository (dpdk-ci) may help to build a test.
+
+Their purpose and options are described when using the option -h.
diff --git a/tools/filter-patch-email.sh b/tools/filter-patch-email.sh
new file mode 100755
index 0000000..821786f
--- /dev/null
+++ b/tools/filter-patch-email.sh
@@ -0,0 +1,111 @@
+#! /bin/sh -e
+
+# BSD LICENSE
+#
+# Copyright 2016 6WIND S.A.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+# * Redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in
+# the documentation and/or other materials provided with the
+# distribution.
+# * Neither the name of 6WIND S.A. nor the names of its
+# contributors may be used to endorse or promote products derived
+# from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+print_usage () {
+ cat <<- END_OF_HELP
+ usage: $(basename $0) < email
+
+ Filter out email from stdin if does not match patch criterias.
+ END_OF_HELP
+}
+
+while getopts h arg ; do
+ case $arg in
+ h ) print_usage ; exit 0 ;;
+ ? ) print_usage ; exit 1 ;;
+ esac
+done
+
+if [ -t 0 ] ; then
+ echo 'nothing to read on stdin' >&2
+ exit 0
+fi
+
+fifo=/tmp/$(basename $0 sh)$$
+mkfifo $fifo
+trap "rm -f $fifo" INT EXIT
+
+parse ()
+{
+ gitsend=false
+ patchsubject=false
+ content=false
+ linenum=0
+ minusline=false
+ plusline=false
+ atline=false
+ binary=false
+ done=false
+ while IFS= read -r line ; do
+ printf '%s\n' "$line"
+ set -- $line
+ if ! $content ; then
+ [ "$1" != 'X-Mailer:' -o "$2" != 'git-send-email' ] || gitsend=true
+ if echo "$line" | grep -qa '^Subject:.*\[PATCH' ; then
+ subject=$(echo "$line" | sed 's,^Subject:[[:space:]]*,,')
+ while [ -n "$subject" ] ; do
+ echo "$subject" | grep -q '^\[' || break
+ if echo "$subject" | grep -q '^\[PATCH' ; then
+ patchsubject=true
+ break
+ fi
+ subject=$(echo "$subject" | sed 's,^[^]]*\][[:space:]]*,,')
+ done
+ fi
+ [ -n "$line" ] || content=true
+ elif ! $done ; then
+ $gitsend || $patchsubject || break
+ [ "$1" != '---' ] || minusline=true
+ [ "$1" != '+++' ] || plusline=true
+ [ "$1" != '@@' ] || atline=true
+ [ "$1 $2 $3" != 'GIT binary patch' ] || binary=true
+ if ($minusline && $plusline && $atline) || $binary ; then
+ echo 1 >$fifo
+ done=true
+ cat
+ break
+ fi
+ linenum=$(($linenum + 1))
+ [ $linenum -lt 999 ] || break
+ fi
+ done
+ $done || echo 0 >$fifo
+ exec >&-
+}
+
+waitparsing ()
+{
+ result=$(cat $fifo)
+ [ "$result" = 0 ] || cat
+}
+
+parse | waitparsing
--
2.7.0