fix a whole bunch of warning from shellcheck

There are still quite some, this is a first chunk based on a given patch
applied where i felt confident enough.

Thanks: Herbert Parentes Fortes Neto <hpfn@ig.com.br> for the initial patch-set

1 files changed, 3 insertions, 3 deletions

diff --git a/pbuilder-createbuildenv b/pbuilder-createbuildenv
index 808ef1b..17ce87d 100755
--- a/pbuilder-createbuildenv
+++ b/pbuilder-createbuildenv
@@ -69,13 +69,13 @@ fi
 # DEBOOTSTRAPOPTS, it will override the --include=apt one and apt might not be
 # installed
 if ! ( "${DEBOOTSTRAP}" \
-    ${ARCHITECTURE:+--arch=$ARCHITECTURE} \
+    "${ARCHITECTURE:+--arch=$ARCHITECTURE}" \
     --include=apt \
     "${DEBOOTSTRAPOPTS[@]}" \
     "$DISTRIBUTION" \
     "$BUILDPLACE" \
     "$MIRRORSITE" \
-    $DEBOOTSTRAPSCRIPT ) ; then
+    "$DEBOOTSTRAPSCRIPT" ) ; then
     log "E: $DEBOOTSTRAP failed"
     exit 1
 fi
@@ -97,7 +97,7 @@ mountproc
 $TRAP umountproc_cleanbuildplace_trap exit sighup
 $CHROOTEXEC /usr/bin/apt-get -q update
 
-case "`readlink -e "$PBUILDERSATISFYDEPENDSCMD"`" in
+case "$(readlink -e "$PBUILDERSATISFYDEPENDSCMD")" in
   *-aptitude)
     EXTRAPACKAGES="$EXTRAPACKAGES aptitude"
   ;;