handle non-existent targets

diff --git a/rosetta-merge b/rosetta-merge
index 58bb1fab38fe2d90b810d0fafb148e12904ed563..2e8c1dab1e8f1ec88bb7c6e5b9de0fb60fb982d9 100755 (executable)
--- a/rosetta-merge
+++ b/rosetta-merge
@@ -16,4 +16,14 @@ case $2 in
 esac
 
 [ -e $1/$ROSETTA_LANG.po ] || exit
-msgmerge -q -N <(msgconv -t UTF-8 $1/$ROSETTA_LANG.po | msgattrib --no-obsolete -) *.pot | msgattrib --no-obsolete $MSGATTRIB_OPTS - | msgmerge -q -N - <(msgconv -t UTF-8 $2.po | msgattrib --no-obsolete -) | msgattrib --no-obsolete - | if $APPLY; then sponge $2.po; else diff -u --label $2.po <(msgconv -t UTF-8 $2.po) -; fi
+msgmerge -q -N <(msgconv -t UTF-8 $1/$ROSETTA_LANG.po | msgattrib --no-obsolete -) *.pot | msgattrib --no-obsolete $MSGATTRIB_OPTS - | \
+       if [ -e $2.po ]; then
+               msgmerge -q -N - <(msgconv -t UTF-8 $2.po | msgattrib --no-obsolete -) | msgattrib --no-obsolete -
+       else
+               cat
+       fi | \
+       if $APPLY; then
+               sponge $2.po
+       else
+               diff -u --label $2.po <(msgconv -t UTF-8 $2.po) -
+       fi