[pacman-dev] [PATCH] makepkg: Progress bar at package compression stage

[Yanus Poluektovich]

If pv is installed, use it to provide progress indication for package compression stage.
---
 scripts/makepkg.sh.in | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/scripts/makepkg.sh.in b/scripts/makepkg.sh.in
index 96e5349..0bb619f 100644
--- a/scripts/makepkg.sh.in
+++ b/scripts/makepkg.sh.in
@@ -2006,10 +2006,21 @@ create_package() {
 	msg2 "$(gettext "Compressing package...")"
 	# TODO: Maybe this can be set globally for robustness
 	shopt -s -o pipefail
+
+	comp_files+=( $(ls) )
+	local pv_uncompressed="cat"
+	local pv_compressed="cat"
+	if [[ -f "/usr/bin/pv" ]]; then
+		local uncompressed_size=$( du -sb "${comp_files[@]}" | awk 'BEGIN {s=0} {s += $1} END {print s}' )
+		pv_uncompressed="/usr/bin/pv -c -N uncompressed -perab -s $uncompressed_size"
+		pv_compressed="/usr/bin/pv -c -N compressed -trab"
+	fi
+
 	# bsdtar's gzip compression always saves the time stamp, making one
 	# archive created using the same command line distinct from another.
 	# Disable bsdtar compression and use gzip -n for now.
-	bsdtar -cf - "${comp_files[@]}" * |
+	bsdtar -cf - "${comp_files[@]}" |
+	$pv_uncompressed |
 	case "$PKGEXT" in
 		*tar.gz)  ${COMPRESSGZ[@]:-gzip -c -f -n} ;;
 		*tar.bz2) ${COMPRESSBZ2[@]:-bzip2 -c -f} ;;
@@ -2020,7 +2031,7 @@ create_package() {
 		*tar)     cat ;;
 		*) warning "$(gettext "'%s' is not a valid archive extension.")" \
 			"$PKGEXT"; cat ;;
-	esac > "${pkg_file}" || ret=$?
+	esac | $pv_compressed > "${pkg_file}" || ret=$?
 
 	shopt -u nullglob
 	shopt -u -o pipefail
-- 
2.0.0