X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=src%2Fcommon;h=48739d92d8639056c59295cf6fba0585df162eec;hb=c34410402a7e49030666553c731c267e14e9a508;hp=40ba8de0c9eb7dc3504ba3535b737329cd878930;hpb=a266aa89051dad0e057c1e042d483b9f86e67e59;p=monkeysphere.git

diff --git a/src/common b/src/common
index 40ba8de..48739d9 100644
--- a/src/common
+++ b/src/common
@@ -98,7 +98,7 @@ cutline() {
 lock() {
     local use_lockfileprogs=true
     local action="$1"
-    local file="$file"
+    local file="$2"
 
     if ! ( which lockfile-create >/dev/null 2>/dev/null ) ; then
 	if ! ( which lockfile >/dev/null ); then
@@ -132,6 +132,54 @@ lock() {
 	*)
 	    failure "bad argument for lock subfunction '$action'"
     esac
+}
+
+
+# for portability, between gnu date and BSD date.
+# arguments should be:  number longunits format
+
+# e.g. advance_date 20 seconds +%F
+advance_date() {
+    local gnutry
+    local number="$1"
+    local longunits="$2"
+    local format="$3"
+    local shortunits
+
+    # try things the GNU way first 
+    if date -d "$number $longunits" "$format" >&/dev/null ; then
+	date -d "$number $longunits" "$format"
+    else
+	# otherwise, convert to (a limited version of) BSD date syntax:
+	case "$longunits" in
+	    years)
+		shortunits=y
+		;;
+	    months)
+		shortunits=m
+		;;
+	    weeks)
+		shortunits=w
+		;;
+	    days)
+		shortunits=d
+		;;
+	    hours)
+		shortunits=H
+		;;
+	    minutes)
+		shortunits=M
+		;;
+	    seconds)
+		shortunits=S
+		;;
+	    *)
+		# this is a longshot, and will likely fail; oh well.
+		shortunits="$longunits"
+	esac
+	date "-v+${number}${shortunits}" "$format"
+    fi
+}
 
 
 # check that characters are in a string (in an AND fashion).
@@ -726,7 +774,7 @@ process_host_known_hosts() {
 	    if [ "$HASH_KNOWN_HOSTS" = 'true' ] ; then
 		# FIXME: this is really hackish cause ssh-keygen won't
 		# hash from stdin to stdout
-		tmpfile=$(mktemp)
+		tmpfile=$(mktemp ${TMPDIR:-/tmp}/tmp.XXXXXXXXXX)
 		ssh2known_hosts "$host" "$sshKey" > "$tmpfile"
 		ssh-keygen -H -f "$tmpfile" 2> /dev/null
 		cat "$tmpfile" >> "$KNOWN_HOSTS"