cabal-tweak-dep-ver: quote wildcards in match string and show file name when no match

cabal-tweak-dep-ver

@@ -1,5 +1,7 @@
 #!/bin/sh
 
+set -e +x
+
 USAGE="Usage: $0 dep old new"
 
 if [ $# -ne 3 ]; then
@@ -7,16 +9,20 @@ if [ $# -ne 3 ]; then
     exit 1
 fi
 
-CABALFILE=*.cabal
+DEP=$1
+OLD=$(echo $2 | sed -e "s/*/\\\\*/g" -e "s/\./\\\\./g")
+NEW=$3
+
+CABALFILE=$(ls *.cabal)
 
-if [ $(ls $CABALFILE | wc -l) -ne 1 ]; then
+if [ $(echo $CABALFILE | wc -w) -ne 1 ]; then
    echo "There needs to be one .cabal file in the current dir!"
    exit 1
 fi
 
-if ! grep -q "$1.*$2" $CABALFILE; then
-   echo "$CABALFILE does not match: $1 $2" 
+if ! grep -q "$DEP.*$OLD" $CABALFILE; then
+   echo "$CABALFILE does not match: $DEP $OLD"
    exit 1
 fi
 
-sed -i.$1 -e "s/\($1.*\)$2/\1$3/g" $CABALFILE
+sed -i.$1 -e "s/\($DEP.*\)$OLD/\1$NEW/g" $CABALFILE

ghc-rpm-macros.spec

@@ -3,7 +3,7 @@
 %global macros_file %{_sysconfdir}/rpm/macros.ghc
 
 Name:           ghc-rpm-macros
-Version:        0.95.4
+Version:        0.95.4.1
 Release:        1%{?dist}
 Summary:        Macros for building packages for GHC
 
@@ -64,6 +64,10 @@ EOF
 
 
 %changelog
+* Fri Jun 22 2012 Jens Petersen <petersen@redhat.com> - 0.95.4.1-1
+- cabal-tweak-dep-ver: show file name when no match
+- cabal-tweak-dep-ver: backslash quote . and * in the match string
+
 * Fri Jun 22 2012 Jens Petersen <petersen@redhat.com> - 0.95.4-1
 - new cabal-tweak-dep-ver script to tweak depends version bounds in .cabal