[mpich-commits] [mpich] MPICH primary repository branch, master, updated. v3.0.3-19-gbaaea3c

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- Log -----------------------------------------------------------------
http://git.mpich.org/mpich.git/commitdiff/baaea3c6d08c7f248b6c94aff1dcc5332402428c

commit baaea3c6d08c7f248b6c94aff1dcc5332402428c
Author: Dave Goodell <goodell at mcs.anl.gov>
Date:   Fri Apr 12 14:56:05 2013 -0500

    add `pipestatus` shell helper
    
    This will simplify some of our Jenkins configurations.  All this commit
    does is stash a copy of `pipestatus` in `maint` from
    https://github.com/cheusov/pipestatus.
    
    No reviewer.

diff --git a/maint/pipestatus b/maint/pipestatus
new file mode 100755
index 0000000..70b4d81
--- /dev/null
+++ b/maint/pipestatus
@@ -0,0 +1,164 @@
+# -*- mode: sh; -*-
+
+#
+# Public domain
+#
+# Written by Aleksey Cheusov <vle at gmx.net>
+# based on the code from FAQ of comp.unix.shell newsgroup
+#
+# Set of shell functions for running pipe and checking
+# exit status of ALL programs, not only last one.
+#
+# Version 0.6.0
+#
+
+# 
+__shquote (){
+    __cmd=`printf '%s\n' "$1" | sed "s|'|'\\\\\''|g"`
+    printf "%s\n" "'$__cmd'"
+}
+
+__pipestatus_err_msg (){
+    if test "$PIPESTATUS_VERBOSE"; then
+	echo "Pipe failed, pipestatus_all='$pipestatus_all'" 1>&2
+    fi
+}
+
+# run pipe and set pipestatus_1, pipestatus_2, ... and pipesize variables
+# Example: runpipe_base prog1 arg11 arg12 '|' prog2 arg21 arg22 '|' prog3
+# Always return zero exit status
+runpipe_base (){
+    #
+    pipesize=0
+
+    # whole command
+    __pipestatus_com=
+
+    # token count
+    __pipestatus_k=1
+
+    # program in pipe (between |)
+    __pipestatus_l=
+
+    # counter
+    __pipestatus_j=1
+
+    # generating whole command
+    for __pipestatus_a in "$@"; do
+        if [ "_$__pipestatus_a" = '_|' ]; then
+            __pipestatus_com="$__pipestatus_com {
+   if $__pipestatus_l 3>&-"'; then
+      echo "pipestatus_'$__pipestatus_j'=0" 1>&3
+   else
+      echo "pipestatus_'$__pipestatus_j'=$?" 1>&3
+   fi
+} 4>&- |
+'
+            __pipestatus_j=`expr $__pipestatus_j + 1`
+	    __pipestatus_l=
+        else
+            __pipestatus_l="$__pipestatus_l `__shquote \"$__pipestatus_a\"`"
+        fi
+        __pipestatus_k=`expr $__pipestatus_k + 1`
+    done
+    __pipestatus_com="if $__pipestatus_com $__pipestatus_l 3>&- 1>&4 4>&-"'; then
+      echo "pipestatus_'"$__pipestatus_j"'=0"
+   else
+      echo "pipestatus_'"$__pipestatus_j"'=$?"
+   fi'
+
+    #
+#    echo "$__pipestatus_com"
+
+    # '|| true' - trick for 'set -e'
+    exec 4>&1 
+    eval `exec 3>&1; eval "$__pipestatus_com" || true`
+    exec 4>&- 
+
+    #
+    pipesize=$__pipestatus_j
+
+    # pipestatus_all
+    __pipestatus_j=2
+    pipestatus_all=$pipestatus_1
+    while [ "$__pipestatus_j" -le "$pipesize" 2>/dev/null ]; do
+	eval "pipestatus_all=\"$pipestatus_all \$pipestatus_$__pipestatus_j\""
+        __pipestatus_j=`expr $__pipestatus_j + 1`
+    done
+
+    return 0
+}
+
+# returns zero exit status if ALL progs in pipe return zero
+check_status0 (){
+    __pipestatus_j=1
+    while [ "$__pipestatus_j" -le "$pipesize" ]; do
+	eval "[ \$pipestatus_$__pipestatus_j -eq 0 ]" || {
+	    __pipestatus_err_msg
+	    return 1
+	}
+	__pipestatus_j=`expr $__pipestatus_j + 1`
+    done
+
+    return 0
+}
+
+# returns zero exit status if ALL progs in pipe return zero
+runpipe0 (){
+    runpipe_base "$@"
+    check_status0
+}
+
+# match all statuses with the pattern
+# example: check_status_re '0 . 0'
+# . means "any status"
+check_status_re (){
+    __pipestatus_re=`echo $1 | sed 's/[.]/[0-9][0-9]*/g'`
+    __pipestatus_j=1
+    __pipestatus_ps=
+    while [ "$__pipestatus_j" -le "$pipesize" ]; do
+	eval '__pipestatus_ps="$__pipestatus_ps ${pipestatus_'$__pipestatus_j'}"'
+	__pipestatus_j=`expr $__pipestatus_j + 1`
+    done
+
+    # trick for set -e
+    if echo "$__pipestatus_ps" | grep -E "^ $__pipestatus_re"'$' > /dev/null
+    then
+	__pipestatus_ret=0
+    else
+	__pipestatus_ret=$?
+	__pipestatus_err_msg
+    fi
+
+    # egrep not found?
+    case "$__pipestatus_ret" in
+	0|1)
+	    ;;
+	*)
+	    exit 2; # fatal error with egrep
+    esac
+
+    return $__pipestatus_ret
+}
+
+# match all statuses with the pattern
+# example: runpipe_re '0 . 0' prog1 '|' prog2 '|' prog3
+# . means "any status"
+runpipe_re (){
+    __pipestatus_re="$1"
+    shift
+
+    runpipe_base "$@"
+    check_status_re "$__pipestatus_re"
+}
+
+# return exit code of the last program in pipe
+check_status (){
+    eval return '$pipestatus_'${pipesize}
+}
+
+# similar to plain pipe but set 'pipestatus_XX' and 'pipesize' variables
+runpipe (){
+    runpipe_base "$@"
+    check_status
+}

-----------------------------------------------------------------------

Summary of changes:
 maint/pipestatus |  164 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 164 insertions(+), 0 deletions(-)
 create mode 100755 maint/pipestatus


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