Initial import

1 files changed, 38 insertions, 0 deletions

diff --git a/print-provides-replaces.sh b/print-provides-replaces.sh
new file mode 100755
index 000000000000..33d1da051e3d
--- /dev/null
+++ b/print-provides-replaces.sh
@@ -0,0 +1,38 @@
+#!/bin/bash
+
+. PKGBUILD
+
+if [[ ! -d src/ghc-${pkgver}/libraries ]]; then
+  echo "error: no directory src/ghc-${pkgver}/libraries: You must extract the source tarball under src/"
+  exit 1
+fi
+
+declare -A exclude
+# no Win32 cause we're not building on windows
+exclude['Win32']=1
+# no integer-simple because we use integer-gmp
+exclude['integer-simple']=1
+# extract excluded libraries from ghc.mk
+for exclude_pkg in $(sed 's/PKGS_THAT_ARE_INTREE_ONLY := //p' -n src/ghc-${pkgver}/ghc.mk); do
+  exclude[${exclude_pkg}]=1
+done
+
+cd src/ghc-${pkgver}/libraries
+
+# $1 is the name of the variable
+# $2 is the string for the test, either '=' or '<'
+print_var() {
+  printf "$1=("
+  for pkg in $(ls ./*/*.cabal | awk -F '/' '{ print $2 }'); do
+    [[ ${exclude[${pkg}]} ]] && continue
+    version=$(awk 'tolower($0) ~ /^version:/ {print $2 }' $pkg/$pkg.cabal)
+    printf "'haskell-$pkg$2$version'\n          "
+  done
+  # also add cabal
+  version=$(awk 'tolower($0) ~ /^version:/ { print $2 }' Cabal/Cabal/Cabal.cabal)
+  printf "'haskell-cabal$2$version'\n          "
+  echo -e '\b)'
+}
+
+print_var 'provides' '='
+print_var 'replaces' '<'