tools: fix [some] shell quoting problems

There were problems with these tools if the path had a space.  This should
make these tools safe.  There are others that still have problems.

tools/make-dist-tarball

@@ -10,16 +10,12 @@ EOF
 }
 
 topdir="$PWD"
-tag=${1}
+tag="$1"
 
 [ -n "$tag" ] || { Usage 1>&2 ; exit 1; }
 
-tmpd=$(mktemp -d ); 
-trap "rm -Rf '${tmpd}'" 0
+out="${topdir}/cloud-init-${tag}.tar.gz"
 
-out=${topdir}/cloud-init-${tag}.tar.gz
-
-cd ${tmpd} && 
-   bzr branch -r "tag:${tag}" "${topdir}" ./cloud-init-${tag} &&
-   tar czf "${out}" cloud-init-${tag}/ --exclude cloud-init-${tag}/.bzr &&
-   echo "Wrote ${out}"
+bzr export --format=tgz --root="cloud-init-$tag" \
+    "--revision=tag:${tag}" "$out" "$topdir" &&
+    echo "Wrote ${out}"

tools/make-tarball

@@ -18,18 +18,16 @@ if ! find_root; then
     exit 1;
 fi
 
+REVNO=$(bzr revno "$ROOT_DIR")
+
 if [ ! -z "$1" ]; then
     ARCHIVE_FN="$1"
 else
-    REVNO=$(bzr revno $ROOT_DIR)
-    VERSION=$($ROOT_DIR/tools/read-version)
+    VERSION=$("$ROOT_DIR/tools/read-version")
     ARCHIVE_FN="$PWD/cloud-init-$VERSION~bzr$REVNO.tar.gz"
 fi
 
-FILES=$(cd $ROOT_DIR && bzr ls --versioned --recursive)
-echo "$FILES" | tar czf $ARCHIVE_FN \
-                -C "$ROOT_DIR" \
-                --transform "s,^,cloud-init-$VERSION~bzr$REVNO/," \
-                --no-recursion --files-from -
+bzr export --format=tgz --root="cloud-init-$VERSION~bzr$REVNO" \
+    "--revision=${REVNO}" "${ARCHIVE_FN}" "$ROOT_DIR"
 
 echo "$ARCHIVE_FN"

tools/read-dependencies

@@ -21,15 +21,11 @@ fi
 
 REQUIRES="$ROOT_DIR/Requires"
 
-if [ ! -e "$REQUIRES" ]
-then
+if [ ! -e "$REQUIRES" ]; then
     echo "Unable to find 'Requires' file located at $REQUIRES"
     exit 1
 fi
 
 # Filter out comments and empty liens
-DEPS=$(cat $REQUIRES | grep -Pv "^\s*#" | grep -Pv '^\s*$')
+DEPS=$(grep -Pv "^\s*#" "$REQUIRES" | grep -Pv '^\s*$')
 echo "$DEPS" | sort -d -f
-
-
-

tools/read-version

@@ -27,5 +27,5 @@ then
     exit 1
 fi
 
-VERSION=$(grep -P "\d+.\d+.\d+:" $CHNG_LOG  | cut -f1 -d ":" | head -n 1)
-echo $VERSION
+VERSION=$(grep -P "\d+.\d+.\d+:" "$CHNG_LOG"  | cut -f1 -d ":" | head -n 1)
+echo "$VERSION"