Upstream-Status: Pending

update-ca-certificates: find SYSROOT relative to its own location

This makes the script relocatable.

Index: git/sbin/update-ca-certificates
===================================================================
--- git.orig/sbin/update-ca-certificates
+++ git/sbin/update-ca-certificates
@@ -66,6 +66,39 @@ do
   shift
 done
 
+if [ -z "$SYSROOT" ]; then
+  local_which () {
+    if [ $# -lt 1 ]; then
+      return 1
+    fi
+
+    (
+      IFS=:
+      for entry in $PATH; do
+        if [ -x "$entry/$1" ]; then
+          echo "$entry/$1"
+          exit 0
+        fi
+      done
+      exit 1
+    )
+  }
+
+  case "$0" in
+    */*)
+      sbindir=$(cd ${0%/*} && pwd)
+      ;;
+    *)
+      sbindir=$(cd $(dirname $(local_which $0)) && pwd)
+      ;;
+  esac
+  prefix=${sbindir%/*}
+  SYSROOT=${prefix%/*}
+  if [ ! -d "$SYSROOT/usr/share/ca-certificates" ]; then
+    SYSROOT=
+  fi
+fi
+
 if [ ! -s "$CERTSCONF" ]
 then
   fresh=1
