nixpkgs/pkgs/development/skaware-packages/execline/default.nix

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{ fetchFromGitHub, skawarePackages }:
with skawarePackages;
let
version = "2.9.0.1";
# Maintainer of manpages uses following versioning scheme: for every
# upstream $version he tags manpages release as ${version}.1, and,
# in case of extra fixes to manpages, new tags in form ${version}.2,
# ${version}.3 and so on are created.
manpages = fetchFromGitHub {
owner = "flexibeast";
repo = "execline-man-pages";
rev = "v2.9.0.0.1";
sha256 = "sha256-hT0YsuYJ3XSMYwtlwDR8PGlD8ng8XPky93rCprruHu8=";
};
in buildPackage {
inherit version;
pname = "execline";
sha256 = "sha256-ASYPyvgP+8oqlKpV6kdN+545swM7VciviBJnkYeVMfY=";
description = "A small scripting language, to be used in place of a shell in non-interactive scripts";
outputs = [ "bin" "man" "lib" "dev" "doc" "out" ];
# TODO: nsss support
configureFlags = [
"--libdir=\${lib}/lib"
"--dynlibdir=\${lib}/lib"
"--bindir=\${bin}/bin"
"--includedir=\${dev}/include"
"--with-sysdeps=${skalibs.lib}/lib/skalibs/sysdeps"
"--with-include=${skalibs.dev}/include"
"--with-lib=${skalibs.lib}/lib"
"--with-dynlib=${skalibs.lib}/lib"
];
postInstall = ''
# remove all execline executables from build directory
rm $(find -type f -mindepth 1 -maxdepth 1 -executable)
rm libexecline.*
mv doc $doc/share/doc/execline/html
mv examples $doc/share/doc/execline/examples
mv $bin/bin/execlineb $bin/bin/.execlineb-wrapped
# A wrapper around execlineb, which provides all execline
# tools on `execlineb`s PATH.
# It is implemented as a C script, because on non-Linux,
# nested shebang lines are not supported.
# The -lskarnet has to come at the end to support static builds.
$CC \
-O \
-Wall -Wpedantic \
-D "EXECLINEB_PATH()=\"$bin/bin/.execlineb-wrapped\"" \
-D "EXECLINE_BIN_PATH()=\"$bin/bin\"" \
-I "${skalibs.dev}/include" \
-L "${skalibs.lib}/lib" \
-o "$bin/bin/execlineb" \
${./execlineb-wrapper.c} \
-lskarnet
mkdir -p $man/share/
cp -vr ${manpages}/man* $man/share
'';
}