commit 6eec995d9873c8d6ce5869079e2953b68f3d04e0
Author: chersbobers <chazington7@gmail.com>
Date:   Mon May 11 17:00:07 2026 +1200

    Initial commit

diff --git a/.mol/repo b/.mol/repo
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+yawdl https://codeberg.org/chersbobers/yawdl.git
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diff --git a/README.md b/README.md
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+# mol
+a simple [maybe suckless] package manager uses hg/git repos to build.
+
+install all you need is crystal 
+## linux/bsd/mac
+chmod +x build.sh
+./build.sh
+
+## windows
+./build.ps1
+
+## usage
+mol grab <repo_url/name(if in repo)> [needs a molfile]
+mol remove <name>
+mol update <name> (updates package)`
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diff --git a/build.ps1 b/build.ps1
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+crystal build src/mol.cr -o mol.exe --release
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diff --git a/build.sh b/build.sh
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+#!/bin/sh
+crystal build src/mol.cr -o mol --release
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diff --git a/shard.lock b/shard.lock
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+version: 2.0
+shards: {}
diff --git a/shard.yml b/shard.yml
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+name: mol
+version: 0.1.0
+
+# authors:
+#   - name <email@example.com>
+
+# description: |
+#   Short description of mol
+
+# dependencies:
+#   pg:
+#     github: will/crystal-pg
+#     version: "~> 0.5"
+
+# development_dependencies:
+#   webmock:
+#     github: manastech/webmock.cr
+
+# license: MIT
diff --git a/src/mol.cr b/src/mol.cr
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+require "file_utils"
+require "http/client"
+
+BIN  = Path.home / ".local" / "bin"
+SRC  = ".mol/src"
+DB   = ".mol/repo"
+REPO = ENV.fetch("MOL_REPO", "https://git.sr.ht/~chersbobers/mol-pkgrepo/blob/master/PACKAGES?raw=true")
+OS   = {% if flag?(:win32) %}"windows"{% elsif flag?(:linux) %}"linux"{% else %}"macos"{% end %}
+
+def run(cmd, args, dir = nil)
+  Process.run(cmd, args, chdir: dir,
+    output: Process::Redirect::Inherit,
+    error: Process::Redirect::Inherit).success?
+end
+
+def lookup(t) : {String, String?}
+  return {t, nil} if t.includes?("://")
+  if File.exists?(DB)
+    File.each_line(DB) do |l|
+      l = l.strip; next if l.empty? || l.starts_with?('#')
+      p = l.split; next unless p[0] == t
+      return {p[1], p.find(&.starts_with?("B=")).try(&.[2..])}
+    end
+  end
+  abort "#{t} not found, run: mol sync"
+end
+
+def installed?(name)
+  Dir.exists?(File.join(SRC, name)) || File.exists?((BIN / name).to_s)
+end
+
+def link_bins(path)
+  Dir.mkdir_p(BIN)
+  [File.join(path,"bin"), File.join(path,"target","release"), path].each do |d|
+    next unless Dir.exists?(d)
+    Dir.each_child(d) do |f|
+      full = File.join(d, f)
+      next unless File.executable?(full) && !File.directory?(full) && !f.includes?('.')
+      dest = (BIN / f).to_s
+      FileUtils.cp(full, dest); File.chmod(dest, 0o755)
+      puts "-> #{dest}"
+    end
+  end
+end
+
+def parse_molpkg(path) : {Array(String), Array(String)}
+  file = File.join(path, "mol.pkg")
+  deps  = [] of String
+  build = [] of String
+  return deps, build unless File.exists?(file)
+
+  in_build   = false
+  in_os      = false
+  in_install = false
+
+  File.each_line(file) do |l|
+    l = l.strip
+    if l.includes?("(deps")
+      l.scan(/"([^"]+)"/).each { |m| deps << m[1] }
+    elsif l.includes?("(build")
+      in_build = true
+    elsif l.includes?("(install")
+      in_build = false; in_install = true
+    elsif in_build && l.includes?("(#{OS}")
+      in_os = true
+    elsif in_build && in_os && l.starts_with?("(run")
+      parts = l.scan(/"([^"]+)"/).map(&.[1])
+      build << parts.join(" ") if parts.any?
+    elsif l == ")" && in_os
+      in_os = false
+    elsif l == ")" && in_build
+      in_build = false
+    elsif in_install && l.includes?("(bin")
+      name = l.scan(/"([^"]+)"/).first?.try(&.[1])
+      if name
+        src = File.join(path, name)
+        src = File.join(path, "#{name}.exe") if OS == "windows" && !File.exists?(src)
+        if File.exists?(src)
+          dest = (BIN / File.basename(src)).to_s
+          FileUtils.cp(src, dest); File.chmod(dest, 0o755)
+          puts "-> #{dest}"
+        end
+      end
+    end
+  end
+
+  {deps, build}
+end
+
+def install(name, src = false)
+  return if installed?(name)
+  puts "installing #{name}"
+  url, bin = lookup(name)
+
+  if !src && bin
+    r = HTTP::Client.get(bin)
+    abort "download failed" unless r.success?
+    dest = (BIN / File.basename(bin)).to_s
+    File.write(dest, r.body); File.chmod(dest, 0o755)
+    puts "-> #{dest}"
+    return
+  end
+
+  n    = url.split('/').last.gsub(/\.hg$|\.git$/, "")
+  path = File.join(SRC, n)
+  vcs  = url.includes?("hg") ? "hg" : "git"
+  abort "clone failed" unless run(vcs, ["clone", url, path])
+
+  deps, build_cmds = parse_molpkg(path)
+  deps.each { |dep| install(dep) }
+
+  if build_cmds.any?
+    build_cmds.each do |cmd|
+      parts = cmd.split
+      abort "build failed: #{cmd}" unless run(parts[0], parts[1..], path)
+    end
+  else
+    abort "no build steps for #{OS} in #{n}"
+  end
+
+  link_bins(path)
+end
+
+def remove_pkg(name)
+  path = File.join(SRC, name)
+  FileUtils.rm_rf(path) if Dir.exists?(path)
+  ["", ".exe"].each do |ext|
+    b = (BIN / "#{name}#{ext}").to_s
+    File.delete(b) if File.exists?(b)
+  end
+  puts "removed #{name}"
+end
+
+def update_pkg(name)
+  path = File.join(SRC, name)
+  abort "#{name} not found, install first" unless Dir.exists?(path)
+  vcs  = Dir.exists?(File.join(path, ".hg")) ? "hg" : "git"
+  args = vcs == "hg" ? ["pull", "-u"] : ["pull"]
+  abort "pull failed" unless run(vcs, args, path)
+  _, build_cmds = parse_molpkg(path)
+  build_cmds.each do |cmd|
+    parts = cmd.split
+    abort "build failed: #{cmd}" unless run(parts[0], parts[1..], path)
+  end
+  link_bins(path)
+  puts "updated #{name}"
+end
+
+Dir.mkdir_p(SRC)
+Dir.mkdir_p(File.dirname(DB))
+
+case ARGV[0]?
+when "install"
+  name = ARGV[1]? || abort("usage: mol install <name> [--source]")
+  src  = ARGV.includes?("--source")
+  install(name, src)
+when "remove"
+  name = ARGV[1]? || abort("usage: mol remove <name>")
+  remove_pkg(name)
+when "update"
+  name = ARGV[1]? || abort("usage: mol update <name>")
+  update_pkg(name)
+when "sync"
+  r = HTTP::Client.get(REPO)
+  abort "sync failed" unless r.success?
+  File.write(DB, r.body); puts "synced"
+when "-l"
+  abort "no repo, run: mol sync" unless File.exists?(DB)
+  File.each_line(DB) { |l| l=l.strip; puts l.split[0] unless l.empty? || l.starts_with?('#') }
+else
+  puts "mol as in molecule\n  install <name> [--source]  install a package\n  remove  <name>             remove a package\n  update  <name>             pull and rebuild\n  sync                       fetch package list\n  -l                         list packages"
+end
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