melpa のパッケージを、指定ディレクトリにインストールする実験

melpa-install-to.tcl

#!/usr/bin/tclsh

package require fileutil

proc RUN args {
    puts "# $args"
    exec {*}$args >@ stdout 2>@ stderr
}

if {$argv eq ""} {
    error "Usage: $0 DEST_DIR PACKAGES..."
}

set argv [lassign $argv destDir]

set destDir [fileutil::fullnormalize $destDir]

set lisp [subst {
    (require 'package)
    (add-to-list 'package-archives
     '("melpa" . "https://melpa.org/packages/") t)
    (setq package-user-dir "$destDir")
    (package-refresh-contents)
    (package-initialize)
}]

foreach pkg $argv {
    append lisp [subst {    (package-install '$pkg)\n}]
}

RUN emacs -q --batch --eval "(progn $lisp)"

https://gist.github.com/knishioka/4578f62e82f90f958fb30da4db557078 を参考に、自分の欲しい形へ tcl で書き直し