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#!/bin/sh
# find rpm provides and requires for Haskell GHC libraries
# To use add the following lines to spec file:
# %define _use_internal_dependency_generator 0
# %define __find_requires /usr/lib/rpm/ghc-deps.sh --requires %{buildroot}%{ghclibdir}
# %define __find_provides /usr/lib/rpm/ghc-deps.sh --provides %{buildroot}%{ghclibdir}
[ $# -ne 2 ] && echo "Usage: `basename $0` [--provides|--requires] %{buildroot}%{ghclibdir}" && exit 1
MODE=$1
PKGBASEDIR=$2
PKGCONFDIR=$PKGBASEDIR/package.conf.d
GHC_VER=$(basename $PKGBASEDIR | sed -e s/ghc-//)
if [ ! -x "/usr/bin/ghc-pkg-${GHC_VER}" -a -x "$PKGBASEDIR/ghc-pkg" ]; then
GHC_PKG="$PKGBASEDIR/ghc-pkg --global-conf=$PKGCONFDIR"
else
GHC_PKG="/usr/bin/ghc-pkg"
fi
case $MODE in
--provides) FIELD=id ;;
--requires) FIELD=depends ;;
*) echo "`basename $0`: Need --provides or --requires" ; exit 1
esac
if [ -d "$PKGBASEDIR" ]; then
SHARED=$(find $PKGBASEDIR -type f -name '*.so')
fi
GHCVERSION=$(ghc --numeric-version)
files=$(cat)
#set -x
for i in $files; do
LIB_FILE=$(echo $i | grep /libHS | egrep -v "$PKGBASEDIR/libHS")
if [ "$LIB_FILE" ]; then
if [ -d "$PKGCONFDIR" ]; then
META=""
SELF=""
case $LIB_FILE in
*.so) META=ghc ;;
*_p.a) META=ghc-prof SELF=ghc-devel ;;
*.a) META=ghc-devel
if [ "$SHARED" ]; then
SELF=ghc
fi
;;
esac
if [ "$META" ]; then
PKGVER=$(echo $LIB_FILE | sed -e "s%$PKGBASEDIR/\([^/]\+\)/libHS.*%\1%")
HASHS=$(${GHC_PKG} -f $PKGCONFDIR field $PKGVER $FIELD | sed -e "s/^$FIELD: \+//")
for i in $HASHS; do
case $i in
*-*) echo $i | sed -e "s/\(.*\)-\(.*\)/$META(\1) = \2/" ;;
*) ;;
esac
done
if [ "$MODE" = "--requires" -a "$SELF" ]; then
HASHS=$(${GHC_PKG} -f $PKGCONFDIR field $PKGVER id | sed -e "s/^id: \+//")
for i in $HASHS; do
echo $i | sed -e "s/\(.*\)-\(.*\)/$SELF(\1) = \2/"
done
fi
fi
fi
elif [ "$MODE" = "--requires" ]; then
if file $i | grep -q 'executable, .* dynamically linked'; then
BIN_DEPS=$(ldd $i | grep libHS | grep -v libHSrts | sed -e "s%^\\tlibHS\(.*\)-ghc${GHCVERSION}.so =.*%\1%")
if [ -d "$PKGCONFDIR" ]; then
PACKAGE_CONF_OPT="--package-conf=$PKGCONFDIR"
fi
for p in ${BIN_DEPS}; do
HASH=$(${GHC_PKG} --global $PACKAGE_CONF_OPT field $p id | sed -e "s/^id: \+//")
echo $HASH | sed -e "s/\(.*\)-\(.*\)/ghc(\1) = \2/"
done
fi
fi
done
echo $files | tr [:blank:] '\n' | /usr/lib/rpm/rpmdeps $MODE
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