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#!/usr/bin/env tclsh
# KitCreator downloader v0.2.0 -- download Tclkits created with the KitCreator
# KitCreator downloader v0.2.1 -- download Tclkits created with the KitCreator
# Web Interface. Works with Tcl 8.5+ and Jim Tcl v0.75+.
# Copyright (C) 2016, dbohdan.
# License: MIT.
proc download url {
    # Guess at what the buildinfo URL might be if we are given, e.g., a building
    # page URL.
    set url [string map {/building {}} $url]
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    if {[string index $baseUrl end] ne {/}} {
        append baseUrl /
    }
    set tclkit $baseUrl[dict get $buildInfo filename]

    puts "Downloading $tclkit to $filename..."
    exec curl -o $filename $tclkit >@ stdout 2>@ stderr
    file attributes $filename -permissions +x
}

set url [lindex $argv 0]
if {$url eq {}} {
    puts "usage: $argv0 url"
    puts {The URL must be a KitCreator Web Interface buildinfo page.}
} else {
    download $url
}