nixpkgs/pkgs/development/tools/misc/cscope/default.nix

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{ fetchurl, stdenv, ncurses, pkgconfig
, installEmacsMode ? false, emacs ? null
}:
assert installEmacsMode -> emacs != null;
stdenv.mkDerivation rec {
name = "cscope-15.7a";
src = fetchurl {
url = "mirror://sourceforge/cscope/${name}.tar.bz2";
sha256 = "0dv0r66x31y2xxvad54x0wal8yb1krwbx3gjc82qpg4hlz5qnqq2";
};
preConfigure = ''
sed -i "contrib/xcscope/cscope-indexer" \
-"es|^PATH=.*$|PATH=\"$out/bin:\$PATH\"|g"
sed -i "contrib/xcscope/xcscope.el" \
-"es|\"cscope-indexer\"|\"$out/libexec/cscope/cscope-indexer\"|g";
'';
configureFlags = "--with-ncurses=${ncurses}";
buildInputs = [ ncurses pkgconfig ] ++ stdenv.lib.optional installEmacsMode emacs;
postInstall = if installEmacsMode then ''
# Install Emacs mode.
cd "contrib/xcscope"
ensureDir "$out/libexec/cscope"
cp "cscope-indexer" "$out/libexec/cscope"
ensureDir "$out/share/emacs/site-lisp"
emacs --batch --eval '(byte-compile-file "xcscope.el")'
cp xcscope.el{,c} "$out/share/emacs/site-lisp"
'' else "";
meta = {
description = "Cscope, a developer's tool for browsing source code";
longDescription = ''
Cscope is a developer's tool for browsing source code. It has
an impeccable Unix pedigree, having been originally developed at
Bell Labs back in the days of the PDP-11. Cscope was part of
the official AT&T Unix distribution for many years, and has been
used to manage projects involving 20 million lines of code!
'';
license = "BSD-style";
homepage = http://cscope.sourceforge.net/;
};
}