fix the log output for the ssh-proxycommand

[monkeysphere.git] / src / share / common

diff --git a/src/share/common b/src/share/common
index 9adae05e894a5a8aedeca0d5bdd41f122b897a44..00a10080008571b4cd89b40f10fcc59015f26dfd 100644 (file)
--- a/src/share/common
+++ b/src/share/common
@@ -34,7 +34,8 @@ failure() {
 
 # write output to stderr based on specified LOG_LEVEL the first
 # parameter is the priority of the output, and everything else is what
-# is echoed to stderr
+# is echoed to stderr.  If there is nothing else, then output comes
+# from stdin, and is not prefaced by log prefix.
 log() {
     local priority
     local level
@@ -79,8 +80,12 @@ log() {
            output=true
        fi
        if [ "$priority" = "$level" -a "$output" = 'true' ] ; then
-           echo -n "ms: " >&2
-           echo "$@" >&2
+           if [ "$1" ] ; then
+               echo -n "ms: " >&2
+               echo "$@" >&2
+           else
+               cat >&2
+           fi
        fi
     done
 }