Regression test portability: truncate, md5

Add shell functions to replace truncate and md5, which are Linux specific
Resubmit because of failed regression test with no apparent cause

BUG: 764655
Change-Id: I07200cf886bd52904a5cf63c66f43f0b1cc91540
Signed-off-by: Emmanuel Dreyfus <manu@netbsd.org>
Reviewed-on: http://review.gluster.org/8341
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Harshavardhana <harsha@harshavardhana.net>
Tested-by: Harshavardhana <harsha@harshavardhana.net>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>

1 files changed, 112 insertions, 0 deletions

diff --git a/tests/include.rc b/tests/include.rc
index 0638a22c7bd..8919d0a663c 100644
--- a/tests/include.rc
+++ b/tests/include.rc
@@ -334,6 +334,118 @@ function process_leak_count ()
     return $(ls -lh /proc/$pid/fd | grep "(deleted)"| wc -l)
 }
 
+which truncate > /dev/null || {
+  truncate() {
+    local nocreate=0
+    local ioblocks=0
+    local fileref=""
+    local newsize=""
+
+    args=`getopt xor:s: $*`
+    if [ $? -ne 0 ]; then
+      echo 'Usage: truncate [-co](-r file | -s size) file ...'
+      exit 2
+    fi
+    set -- $args
+    while [ $# -gt 0 ]; do
+      case "$1" in
+      -c)
+        nocreate=1;
+        ;;
+      -o)
+        ioblocks=1;
+	echo "Unimplemented -o option"
+        exit 2
+        ;;
+      -r)
+        fileref=$2;
+        shift;
+        ;;
+      -s)
+        newsize=$2;
+        shift;
+        ;;
+      --)
+        shift;
+        break;
+        ;;
+      *)
+        echo 'Usage: truncate [-co](-r file | -s size) file ...'
+        exit 2;
+        ;;
+      esac
+      shift
+    done
+
+    if [ "x$newsize" = "x" -a "x$fileref" = "x" ] ; then
+      echo 'Usage: truncate [-co](-r file | -s size) file ...'
+      exit 2;
+    fi
+
+    if [ "x$newsize" != "x" -a "x$fileref" != "x" ] ; then
+      echo 'Usage: truncate [-co](-r file | -s size) file ...'
+      exit 2;
+    fi
+
+    if [ "x$newsize" != "x" ] ; then
+      echo $newsize | grep -q '^[-_<>%/]' && {
+        echo "Unimplemented prefix in ${newsize}"
+        exit 2;
+      }
+
+      echo $newsize | egrep -q '[GTPEZY]B?$' && {
+        echo "Unit not implemented for ${newsize}"
+        exit 2;
+      }
+
+      case $newsize in
+      *KB)
+        newsize=$(( ${newsize/KB/} * 1000 ))
+        ;;
+      *K)
+        newsize=$(( ${newsize/K/} * 1024 ))
+        ;;
+      *MB)
+        newsize=$(( ${newsize/MB/} * 1000 * 1000 ))
+        ;;
+      *M)
+        newsize=$(( ${newsize/M/} * 1024 * 1024 ))
+        ;;
+      esac
+
+    fi
+
+    if [ "x$fileref" != "x" ] ; then
+       if [ ! -f $fileref ] ; then
+         echo "File does not exists: ${fileref}"
+         exit 2;
+       fi
+       newsize=`ls -l ${fileref}|awk '{print $5}'`
+    fi
+
+    if [ $# -eq 0 ]; then
+      echo 'Usage: truncate [-co](-r file | -s size) file ...'
+      exit 2;
+    fi
+
+    for f in $* ; do
+      if [ "x$nocreate" = "x1" -a ! -f $f ] ; then
+        continue;
+      fi
+
+      dd bs=1 seek=$newsize if=/dev/null of=$f
+    done
+  }
+}
+
+which md5sum > /dev/null || {
+  md5sum() {
+    for f in $* ; do
+      md5 $f | awk -F'[() ]' '{printf("%s  %s\n", $6, $3)}'
+    done
+  }
+}
+
 alias EXPECT='_EXPECT $LINENO'
 alias EXPECT_NOT='_EXPECT_NOT $LINENO'
 alias TEST='_TEST $LINENO'