conv: Add -i flag (interactive mode)

1 files changed, 56 insertions, 8 deletions

diff --git a/conv b/conv
index 7d5a508..ded047a 100755
--- a/conv
+++ b/conv
@@ -5,13 +5,28 @@
 IFS='
 '
 
-echo '$NetBSD'
-echo
-sed '
-	/^diff/d;
-	/^index/d;
-	s/^--- .*/&/;
-' |
+{
+	echo '$NetBSD'
+	echo
+
+	# get patch description
+	if [ x"$1" = x"-i" ]; then
+		f=`mktemp`
+		echo 'Edit patch description...' > $f
+		</dev/tty >/dev/tty vi $f
+		c=`cat $f`
+		if [ x"$c" != x"Edit patch description..." ]; then
+			printf '%s\n\n' "$c"
+		fi
+		rm $f
+	fi
+
+	sed '
+		/^diff/d;
+		/^index/d;
+		s/^--- .*/&/;
+	'
+} |
 while read line; do
 	case "$line" in
 	diff*)	;;
@@ -25,4 +40,37 @@ while read line; do
 	*)
 		echo "$line" ;;
 	esac
-done
+done | {
+if [ x"$1" = x"-i" ]; then
+	# read patch before proceeding
+	patch=`cat`
+
+	# get patch directory
+	dir=$2
+	if [ -z "$2" ]; then
+		echo -n 'Package name: ' >/dev/tty
+		read dir </dev/tty
+	fi
+	dir=~/patches/$dir
+	mkdir -p $dir
+
+	# get patch name
+	name=$3
+	if [ -z "$3" ]; then
+		echo -n 'Patch name: ' >/dev/tty
+		read name </dev/tty
+	fi
+
+	# write patch if it doesn't already exist
+	if [ -e $dir/$name ]; then
+		f=`mktemp`
+		echo error: $dir/$name already exists; saving to $f 1>&2
+		exit 1
+	else
+		printf '%s\n' "$patch" > $dir/$name
+		echo $dir/name 1>&2
+	fi
+else
+	cat
+fi
+}