Patch to CURRENT freebsd-update to replace the 10....20....30.... progress indicator

freebsd-update-progress.patch

--- freebsd-update.sh.orig	2018-12-13 16:28:44.343075728 +0000
+++ freebsd-update.sh	2018-12-13 16:44:41.440009430 +0000
@@ -1059,6 +1059,30 @@
 
 # Print user-friendly progress statistics
 fetch_progress () {
+	if [ "$1" -gt 0 -a -t 1 ]; then
+		fetch_progress_tty $1
+	else
+		fetch_progress_classic
+	fi
+}
+
+# Progress in an in-place "123/456 (26%)" style
+fetch_progress_tty () {
+	EXP=$1
+	LNC=0
+	printf " \033[s"
+	while read x; do
+		LNC=$(($LNC + 1))
+		PCT=$((100 * $LNC / $EXP))
+		if [ $(($LNC % 10)) = 0 ]; then
+			printf "\033[u%d/%d (%d%%)" $LNC $EXP $PCT
+		fi
+	done
+	printf "\033[u\033[K"
+}
+
+# Progress in the original "10....20....30" style
+fetch_progress_classic () {
 	LNC=0
 	while read x; do
 		LNC=$(($LNC + 1))
@@ -1311,12 +1335,13 @@
 
 	if [ -s patchlist ]; then
 		# Attempt to fetch metadata patches
-		echo -n "Fetching `wc -l < patchlist | tr -d ' '` "
+		NITEMS=`wc -l < patchlist | tr -d ' '`
+		echo -n "Fetching ${NITEMS} "
 		echo ${NDEBUG} "metadata patches.${DDSTATS}"
 		tr '|' '-' < patchlist |
 		    lam -s "${FETCHDIR}/tp/" - -s ".gz" |
 		    xargs ${XARGST} ${PHTTPGET} ${SERVERNAME}	\
-			2>${STATSREDIR} | fetch_progress
+			2>${STATSREDIR} | fetch_progress ${NITEMS}
 		echo "done."
 
 		# Attempt to apply metadata patches
@@ -1850,12 +1875,13 @@
 fetch_files () {
 	# Attempt to fetch patches
 	if [ -s patchlist ]; then
-		echo -n "Fetching `wc -l < patchlist | tr -d ' '` "
+		NITEMS=`wc -l < patchlist | tr -d ' '`
+		echo -n "Fetching ${NITEMS} "
 		echo ${NDEBUG} "patches.${DDSTATS}"
 		tr '|' '-' < patchlist |
 		    lam -s "${PATCHDIR}/" - |
 		    xargs ${XARGST} ${PHTTPGET} ${SERVERNAME}	\
-			2>${STATSREDIR} | fetch_progress
+			2>${STATSREDIR} | fetch_progress ${NITEMS}
 		echo "done."
 
 		# Attempt to apply patches
@@ -1884,11 +1910,12 @@
 	done < files.wanted > filelist
 
 	if [ -s filelist ]; then
-		echo -n "Fetching `wc -l < filelist | tr -d ' '` "
+		NITEMS=`wc -l < filelist | tr -d ' '`
+		echo -n "Fetching ${NITEMS} "
 		echo ${NDEBUG} "files... "
 		lam -s "${FETCHDIR}/f/" - -s ".gz" < filelist |
 		    xargs ${XARGST} ${PHTTPGET} ${SERVERNAME}	\
-			2>${STATSREDIR} | fetch_progress
+			2>${STATSREDIR} | fetch_progress ${NITEMS}
 
 		while read Y; do
 			if ! [ -f ${Y}.gz ]; then