Fixing cache_path: taking into account the three forms of ldd output lines.

1 files changed, 17 insertions, 1 deletions

diff --git a/debian/live-boot.init b/debian/live-boot.init
index 1130730..5799c44 100644
--- a/debian/live-boot.init
+++ b/debian/live-boot.init
@@ -49,8 +49,24 @@ cache_path()
 	then
 		if file -L "${path}" | grep -q 'dynamically linked'
 		then
-			for lib in $(ldd "${path}" | awk '{ print $3 }')
+			# ldd output can be of three forms:
+			# 1. linux-vdso.so.1 =>  (0x00007fffe3fb4000)
+			#    This is a virtual, kernel shared library and we want to skip it
+			# 2. libc.so.6 => /lib/libc.so.6 (0x00007f5e9dc0c000)
+			#    We want to cache the third word.
+			# 3. /lib64/ld-linux-x86-64.so.2 (0x00007f5e9df8b000)
+			#    We want to cache the first word.
+			ldd "${path}" | while read line
 			do
+				if echo "$line" | grep -qs ' =>  '
+				then
+					continue
+				elif echo "$line" | grep -qs ' => '
+				then
+					lib=$(echo "${line}" | awk '{ print $3 }')
+				else
+					lib=$(echo "${line}" | awk '{ print $1 }')
+				fi
 				cache_path "${lib}"
 			done
 		fi