[GNUnet-SVN] [gnunet] branch master updated: cadet/loopcheck.sh: still bash, leaving only PIPESTATUS

[gnunet]

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ng0 pushed a commit to branch master
in repository gnunet.

The following commit(s) were added to refs/heads/master by this push:
     new cc372c342 cadet/loopcheck.sh: still bash, leaving only PIPESTATUS
cc372c342 is described below

commit cc372c3427454e52763b22461fd3af1aaaf295d3
Author: ng0 <address@hidden>
AuthorDate: Sat Mar 9 11:26:07 2019 +0000

    cadet/loopcheck.sh: still bash, leaving only PIPESTATUS
---
 src/cadet/loopcheck.sh | 42 ++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 40 insertions(+), 2 deletions(-)

diff --git a/src/cadet/loopcheck.sh b/src/cadet/loopcheck.sh
index ddc8c191c..9b867e95b 100755
--- a/src/cadet/loopcheck.sh
+++ b/src/cadet/loopcheck.sh
@@ -1,4 +1,41 @@
-#!/bin/sh
+#!/usr/bin/env bash
+# This script is in the public domain
+# POSIX shell solution for named pipes and pipestatus,
+# http://shell.cfajohnson.com/cus-faq-2.html#Q11
+# run() {
+#     j=1
+#     while eval "\${pipestatus_$j+:} false"; do
+#         unset pipestatus_$j
+#         j=$(($j+1))
+#     done
+#     j=1 com= k=1 l=
+#     for a; do
+#         if [ "x$a" = 'x|' ]; then
+#             com="$com { $l "'3>&-
+#                          echo "pipestatus_'$j'=$?" >&3
+#                        } 4>&- |'
+#             j=$(($j+1)) l=
+#         else
+#             l="$l \"\$$k\""
+#         fi
+#         k=$(($k+1))
+#     done
+#     com="$com $l"' 3>&- >&4 4>&-
+#                     echo "pipestatus_'$j'=$?"'
+#     exec 4>&1
+#     eval "$(exec 3>&1; eval "$com")"
+#     exec 4>&-
+#     j=1
+#     while eval "\${pipestatus_$j+:} false"; do
+#         eval "[ \$pipestatus_$j -eq 0 ]" || return 1
+#         j=$(($j+1))
+#     done
+#     return 0
+# }
+
+# # https://mywiki.wooledge.org/Bashism has another solution:
+# # mkfifo fifo; command2 <fifo & command1 >fifo; echo "$?"
+
 while true; do
     if [ "$1" = "" ]; then
        echo All
@@ -7,6 +44,7 @@ while true; do
        echo One
        LOGFILE="test_`date "+%m.%d-%H:%M:%S"`.log"
        taskset 01 $1 2>&1 | tee $LOGFILE | grep -v DEBUG;
+        # TODO: Replace $PIPESTATUS with more portable code
        if [ "${PIPESTATUS[0]}" != "0" ]; then
            echo "Failed";
            date;
@@ -15,5 +53,5 @@ while true; do
     fi
     grep cadet test_*.log | grep -B 10 ERROR && break
     grep cadet test_*.log | grep -B 10 Assert && break
-    ls core* &> /dev/null && break
+    ls core* > /dev/null 2>&1 && break
 done

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