add better output functionality to stdio, use stderr

revise HACKING to say so, and describe the database

2 files changed, 20 insertions, 10 deletions

diff --git a/src/rvs-core/lib/stdio.sh b/src/rvs-core/lib/stdio.sh
index aff22f1..57176e1 100644
--- a/src/rvs-core/lib/stdio.sh
+++ b/src/rvs-core/lib/stdio.sh
@@ -23,6 +23,25 @@ out() {
 	fi
 }
 
+warn () {
+	echo "$name: $1" >> /dev/stderr
+}
+
+error() {
+	warn "$1"
+	cat << __error__ >> /dev/stderr
+Usage: $name $usage
+
+Try \`$name --help' for more options.
+__error__
+	exit 1
+}
+
+fatal () {
+	warn "$1"
+	exit 1
+}
+
 version() {
 	echo "$name $ver"
 	if [ "$volume" != '-q' ]; then
@@ -39,13 +58,3 @@ __disclaimer__
 	exit 0
 }
 
-error() {
-	cat << __error__
-$name: $1
-Usage: $name $usage
-
-Try $name \`--help' for more options.
-__error__
-	exit 1
-}
-
diff --git a/src/rvs.sh b/src/rvs.sh
index 518f487..5059dca 100644
--- a/src/rvs.sh
+++ b/src/rvs.sh
@@ -24,6 +24,7 @@ case "$com" in
 	*)
 		if [ -f "$RVSDIR/$com" ]; then
 			export TMPDIR="$repo/tmp"
+			#echo "$@" >> $repo/log
 			$RVSDIR/$@
 		else
 			error "unrecognized command \`$com'"