[gentoo-science] New sci-astronomy/ftools-6.6.2.ebuild

[gentoo-science] New sci-astronomy/ftools-6.6.2.ebuild

[Henry Gebhardt]

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Hi everyone,

I have created an ebuild for the ftools from heasarc, used
for inspecting and manipulating astronomical FITS files[1].
As those are widely used in the astronomical community,
I think they would make a great addition to Gentoo.

Unfortunately, the attached ebuild has several problems.

1.) LICENSE="UNKOWN": Does anyone know what the
correct license is?

2.) SRC_URI: What should it be set to? Currently, you will
have to download the tarball yourself from [2], choose only
the "General-Use FTOOLS", nothing else.

3.) The ebuild only works with "General-Use FTOOLS",
no XSpec. Ideally there would be a USE="xspec", but
how to do that. I don't use XSpec, so wont investigate
further for now. Maybe the ebuild could auto-detect what
the user downloaded?

4.) DESTDIR: The src_install() function does an
"addwrite /usr/heasoft-6.6.2" to let the heasoft tools
make the install. Better would be for them to support
the $DESTDIR variable, but I have tried and failed.
Maybe it's ok?

5.) Reinstall: Due to the previous item, you have to
"emerge -C ftools" before reinstalling. Can that be
automated? Currently, it just fails, telling you to unmerge.

6.) Sourcing "$HEADAS/headas-init.sh" is still needed to
be done by the user.

Any help is much appreciated.

Greetings,
Henry


[1] http://heasarc.nasa.gov/lheasoft/ftools/ftools_menu.html
[2] http://heasarc.nasa.gov/lheasoft/download.html

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diff --git a/tcltk/tcl/unix/installManPage b/tcltk/tcl/unix/installManPage
index 93fd925..765d838 100755
--- a/tcltk/tcl/unix/installManPage
+++ b/tcltk/tcl/unix/installManPage
@@ -3,7 +3,7 @@
 ZIP=:
 while true; do
     case $1 in
-        -s | --symlinks  )      S="-s ";;
+        -s | --symlinks  )      SYM="-s ";;
         -z | --compress  )    ZIP=$2;  shift ;;
 	-e | --extension )      Z=$2;  shift ;;
 	-s | --suffix    ) SUFFIX=$2;  shift ;;
@@ -18,7 +18,7 @@ fi
 
 MANPAGE=$1
 DIR=$2
-test -z "$S" && S="$DIR/"
+test -z "$SYM" && SYM="$DIR/"
 
 # A sed script to parse the alternative names out of a man page.
 #
@@ -62,6 +62,6 @@ for f in $NAMES; do
 	$ZIP $DIR/$FIRST
     else
 	rm -f $DIR/$f $DIR/$f.*
-	ln $S$FIRST$Z $DIR/$f$Z
+	ln $SYM$FIRST$Z $DIR/$f$Z
     fi
 done

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# Copyright 1999-2009 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $

EAPI=2

inherit eutils

DESCRIPTION="General-Use FTools for manipulating and inspecting FITS files"
HOMEPAGE="http://heasarc.gsfc.nasa.gov/docs/software/ftools/ftools_menu.html"
SRC_URI="heasoft${PV}src.tar.gz"
LICENSE="UNKOWN"
SLOT="0"
KEYWORDS="~x86"
IUSE=""
RESTRICT="test"

DEPEND="x11-base/xorg-server
		>=dev-lang/perl-5.6.0"
RDEPEND="${DEPEND}"

S="${WORKDIR}/heasoft-${PV}/BUILD_DIR"
PREFIX="/usr/heasoft-${PV}"

MSG="The HEASOFT General-Use FTools have been installed into
${PREFIX}.

To use the HEASOFT, you need to source the headas init script,
like so
	. \${HEADAS}/headas-init.sh
if you are using a bourne-shell. As a shortcut you can put an
alias in your ~/.bashrc:
	alias heainit=\". \${HEADAS}/headas-init.sh\"

C-shells should source \${HEADAS}/headas-init.csh instead.

The environment vairable \${HEADAS} has been defined for you
globally in /etc/env.d/99headas."

pkg_setup() {
	[[ -d "${PREFIX}" ]] && die "Please unmerge previous installation."
	ewarn "This ebuild works but doesn't do things as god intended..."
}

src_prepare() {
	for subdir in tcl tk; do
		cd "${S}"/../tcltk/${subdir}/unix
		epatch "${FILESDIR}"/installManPage-S-namecollision.patch \
			|| die "epatch failed"
	done
}

src_configure() {
	econf --prefix="${PREFIX}" || die "econf failed"
}

src_install() {
	# The heasoft install scripts don't allow for $DESTDIR. Thus we
	# must let headas install itself. This is very, very bad.
	addwrite "${PREFIX}"
	einfo "Installing into ${PREFIX} directly..."
	# Hell knows why we need -j1 here. But we sure need it.
	emake -j1 install || die "emake install failed"
	einfo "Moving ${PREFIX} to image directory..."
	mkdir "${D}"/usr
	mv "${PREFIX}" "${D}"/usr

	echo "${MSG}" > WTF
	dodoc WTF

	echo "HEADAS=\"`grep "HD_TOP_EXEC_PFX.*= " Makefile | sed "s#^HD_TOP_EXEC_PFX.*= ##"`\"" > 99headas
	doenvd 99headas
}

pkg_postinst() {
	elog "${MSG}"
}