'lbu status' didn't list files whose permissions have been changed.
However, 'lbu commit' *does* save those changes, which is slightly
non-intuitive. It could be confusing for someone trying to determine
what changes will be saved by 'lbu commit'. To avoid impacting the
performance of 'lbu status', only built-in shellscript file test
operators are used. This means that only changes in permissions for
*the current user* will be detected. This deficiency could be remedied
by using 'stat' to check file permissions, but that slows 'lbu status'
down noticeably (about 220ms on my installation of Alpine).
---
 lbu.in |   19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 deletions(-)

diff --git a/lbu.in b/lbu.in
index a0e68ed..ad64cfd 100644
--- a/lbu.in
+++ b/lbu.in
@@ -648,9 +648,22 @@ cmd_status() {
 		local b="$tmp/b/$f"
 		if [ ! -e "$a" ] && [ ! -L "$a" ]; then
 			echo "A $f"
-		elif [ -f "$a" ] && [ -f "$b" ] && [ "$b" -nt "$a" ] \
-		     && ! cmp -s "$a" "$b"; then
-			echo "U $f"
+		elif [ -f "$a" ] && [ -f "$b" ]; then
+			if [ "$b" -nt "$a" ] && ! cmp -s "$a" "$b"; then
+				echo "U $f"
+			elif [ -r "$a" ] && [ ! -r "$b" ]; then
+				echo "U $f"
+			elif [ ! -r "$a" ] && [ -r "$b" ]; then
+				echo "U $f"
+			elif [ -w "$a" ] && [ ! -w "$b" ]; then
+				echo "U $f"
+			elif [ ! -w "$a" ] && [ -w "$b" ]; then
+				echo "U $f"
+			elif [ -x "$a" ] && [ ! -x "$b" ]; then
+				echo "U $f"
+			elif [ ! -x "$a" ] && [ -x "$b" ]; then
+				echo "U $f"
+			fi
 		fi
 	done
 }
-- 
1.7.10.4



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