#!/usr/bin/env tclsh
# 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]
if {![string match */buildinfo $url]} {
append url /buildinfo
}
set buildInfo [exec curl -s $url]
set filename [dict get $buildInfo filename]
append filename -[dict get $buildInfo tcl_version]
append filename -[dict get $buildInfo platform]
foreach option {staticpkgs threaded debug} {
if {[dict exists $buildInfo options $option] &&
[dict get $buildInfo options $option]} {
append filename -$option
}
}
append filename -[join [dict get $buildInfo packages] -]
set tail [file tail $url]
# We can't use [file dirname] here because it will transform
# "http://example.com" into "http:/example.com".
set baseUrl [string range $url 0 end-[string length $tail]]
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
}