#!/bin/zsh
# Build script for OCaml topkg library
set -e
cd "$SRCDIR"

export PATH="$PREFIX/bin:$PATH"
export LD_LIBRARY_PATH="/usr/lib:${LD_LIBRARY_PATH:-}"
export LIBRARY_PATH="/usr/lib:${LIBRARY_PATH:-}"

# Build using the package build script
ocaml pkg/pkg.ml build --pkg-name topkg

# Install from .install file without opam-installer
install_from_dotinstall() {
    local installfile="$1" prefix="$2" pkgname="$3"
    local section="" src dest dir
    while IFS= read -r line; do
        if [[ "$line" =~ '^([a-z_]+):' ]]; then
            section="${match[1]}"
            continue
        fi
        [[ -z "$section" || "$line" =~ '^\]' ]] && { [[ "$line" =~ '^\]' ]] && section=""; continue; }
        src="${${line#*\"}%%\"*}"
        [[ -z "$src" || ! -f "$src" ]] && continue
        if [[ "$line" =~ '\{"?([^}"]+)"?\}' ]]; then
            dest="${match[1]}"
        else
            dest="${src:t}"
        fi
        case "$section" in
            lib|libexec) dir="$prefix/lib/ocaml/$pkgname" ;;
            bin) dir="$prefix/bin" ;;
            share) dir="$prefix/share/$pkgname" ;;
            doc) dir="$prefix/doc/$pkgname" ;;
            man) dir="$prefix/man" ;;
            *) continue ;;
        esac
        mkdir -p "$dir/$(dirname "$dest")"
        cp "$src" "$dir/$dest"
    done < "$installfile"
}

install_from_dotinstall topkg.install "$PKGDIR$PREFIX" topkg
[package]
name = "ocaml-topkg"
version = "1.1.1"
description = "OCaml package release helper"
homepage = "https://erratique.ch/software/topkg"
license = "ISC"

[dependencies]
build = ["ocaml", "ocaml-findlib", "ocaml-ocamlbuild"]
runtime = ["ocaml", "ocaml-findlib", "ocaml-ocamlbuild"]

[[source]]
file = "topkg-1.1.1.tbz"
urls = [
    "https://erratique.ch/software/topkg/releases/topkg-1.1.1.tbz"
]
checksum = "skip"
extract = true