Fix some shellcheck issues in init-po-files.

init-po-files

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/bash -e
 # Copyright (C) 2009  Andrius Štikonas <andrius@stikonas.eu>
 #
 # This program is free software: you can redistribute it and/or modify
@@ -14,11 +14,11 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-source "`dirname $0`/ths-variables"
+source "$(dirname "$0")/ths-variables"
 source ".ths"
 
 if [ "$1" = "--help" ] || [ "$1" = "-h" ]; then
-    echo "Usage `basename $0` <messages-tree> <pot-tree>"
+    echo "Usage $(basename "$0") <messages-tree> <pot-tree>"
     exit 1
 fi
 
@@ -30,19 +30,20 @@ else
     pot="trunk-kf5/templates/messages"
 fi
 
-wdir="`pwd`"
+wdir=$PWD
 cd "$pot"
-for dir in `ls`; do
+for dir in */; do
+    (
         cd "$dir"
         podir="$wdir/$messages/$dir"
         if [ ! -e "$podir" ]; then
             mkdir "$podir"
             svn add "$podir"
         fi
-    for file in `find . -name '*.pot'`; do
-    po=`echo $file | sed 's/.\{1\}$//'`
+        for file in $(find . -name '*.pot'); do
+            po=$(echo "$file" | sed 's/.\{1\}$//')
             if [ ! -e "$podir/$po" ]; then
-        echo -e $RED"$dir/$po"$ENDCOLOR
+                echo -e "${RED}${dir}/${po}${ENDCOLOR}"
                 msginit -i "$file" -o "$podir/$po" --no-translator
 	        cd "$podir"
                 svn add "$po"
@@ -53,5 +54,5 @@ s/\"%100<10 || n%100>=20) ? 1 : 2);\\n\"/"%100>=20) ? 1 : n%10==0 || (n%100>10 \
                 rm "$podir/$po"e
             fi
         done
-    cd ..
+    )
 done