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#!/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+.
# KitCreator downloader v0.2.2 -- download Tclkits created with the KitCreator
# Web Interface. Works with Tcl 8.5+ and Jim Tcl v0.75+. This script requires
# that cURL be available through [exec curl].
# Copyright (C) 2016, dbohdan.
# License: MIT.
proc download url {
if {![string match */buildinfo $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
# Guess at what the buildinfo URL might be if we are given, e.g., a
# building page URL.
set url [string map {/building {}} $url]
set checksum {}
foreach piece [split $url /] {
if {[regexp {^[a-z0-9]{40}$} $piece checksum]} {
break
}
}
if {$checksum eq {}} {
error "can't determine how to get the from the URL \"$url\" to the\
buildinfo"
}
set url [regexp -inline "^.*$checksum" $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]
if {[llength [dict get $buildInfo packages]] > 0} {
foreach option {staticpkgs threaded debug} {
if {[dict exists $buildInfo options $option] &&
[dict get $buildInfo options $option]} {
append filename -$option
}
}
foreach option {staticpkgs threaded debug} {
if {[dict exists $buildInfo options $option] &&
[dict get $buildInfo options $option]} {
append filename -$option
}
}
# "http://example.com" into "http:/example.com".
# "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
puts {The URL must be a KitCreator Web Interface buildinfo page.}
puts {The URL should be a KitCreator Web Interface buildinfo page.\
If it is instead, e.g., a building page or a direct Tclkit download\
URL, the script will try to guess where the buildinfo is.}
} else {
download $url
}
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