started on command dispatch

bin/install.ps1

@@ -3,9 +3,9 @@
 $erroractionpreference='stop' # quit if anything goes wrong
 
 # get core functions
-$init_url = 'https://raw.github.com/lukesampson/scoop/master/lib/init.ps1'
+$core_url = 'https://raw.github.com/lukesampson/scoop/master/lib/core.ps1'
 echo 'initializing...'
-iex (new-object net.webclient).downloadstring($init_url)
+iex (new-object net.webclient).downloadstring($core_url)
 
 # prep
 assert_not_installed 'scoop'

bin/scoop.ps1

@@ -1,6 +1,11 @@
+# Usage: sub <cmd>
 param($cmd)
 
-. "$(split-path $myinvocation.mycommand.path)\..\lib\init.ps1"
+. "$(split-path $myinvocation.mycommand.path)\..\lib\core.ps1"
+. (resolve '..\lib\commands')
 
-require '..\lib\commands'
+$commands = commands
 
+if (@($null, '-h', '--help') -contains $cmd) { exec 'help' $args }
+elseif ($commands -contains $cmd) { exec $cmd $args }
+else { "scoop: '$cmd' isn't a scoop command. See 'scoop help'"; exit 1 }

bin/uninstall.ps1

@@ -1,4 +1,4 @@
-. "$(split-path $myinvocation.mycommand.path)\..\lib\init.ps1"
+. "$(split-path $myinvocation.mycommand.path)\..\lib\core.ps1"
 
 if(test-path $scoopdir) {
     try {

lib/cmd/help.ps1

@@ -0,0 +1,3 @@
+# Usage: scoop help <cmd>
+# Summary: show help for a command
+echo "help!"

lib/cmd/install.ps1

@@ -1,2 +1,4 @@
 # Usage: scoop install <name>
-# Summary: Installs an app
+# Summary: Installs an app
+
+echo 'install!'

lib/commands.ps1

@@ -1,3 +1,9 @@
-function all_commands {
-    echo "all_commands"
+function commands {
+    gci (resolve 'cmd') |
+        where { $_.name.endswith('.ps1') } |
+        % { ($_.name -replace '\.ps1$', '') }
+}
+
+function exec($cmd) {
+    & (resolve "cmd\$cmd.ps1")
 }

lib/core.ps1

@@ -13,13 +13,13 @@ function appdir($name) { "$scoopdir\apps\$name" }
 
 function fname($path) { split-path $path -leaf }
 function ensure($dir) { if(!(test-path $dir)) { mkdir $dir > $null }; resolve-path $dir }
-function full_path($path) {
+function full_path($path) { # should be ~ rooted
   $executionContext.sessionState.path.getUnresolvedProviderPathFromPSPath($path)
 }
 function friendly_path($path) {
   return "$path" -replace ([regex]::escape($home)), "~"
 }
-function script_rel_path($path) { full_path "$($myInvocation.PSScriptRoot)\$path" }
+function resolve($path) { "$($myInvocation.PSScriptRoot)\$path" } # relative to calling script
 
 function installed($name) { return test-path (appdir $name) }
 function assert_not_installed($name) {
@@ -51,7 +51,9 @@ function ensure_scoop_in_path {
   }
 }
 
-$required = @( $myInvocation.myCommand.path.tolower )
+# failed
+<#
+$required = @( $myInvocation.myCommand.path.tolower() )
 function require($name) {
   if(!$name.endsWith('.ps1')) { $name += '.ps1' }
   $path = "$($myInvocation.PSScriptRoot)\$name"
@@ -59,6 +61,9 @@ function require($name) {
   $path = "$(resolve-path $path)".tolower()
   if(!($required -contains $path)) {
     $required += $path
-    iex "$path"
+    #iex $path
+    #. $path -global
+    #import-module $path -global
   }
-}
+}
+#>

lib/install-ps.ps1

@@ -1,48 +0,0 @@
-# 1. installs a powershell script to ~\appdata\local\scoop\[name]\[name].ps1
-# 2. adds a stub to ~\appdata\local\scoop\bin, to avoid path pollution
-# 3. makes sure ~\appdata\local\scoop\bin is in your path
-function install-ps($name, $url) {
-    $erroractionpreference = 'stop'
-    
-    # helpers
-    function dl($url,$to) { (new-object system.net.webClient).downloadFile($url,$to) }
-    function env($name,$val) {
-        if($val) { [environment]::setEnvironmentVariable($name,$val,'User') } # set
-        else { [environment]::getEnvironmentVariable($name, 'User') } # get
-    }
-    function abort($msg) { write-host $msg -b darkred -f white; exit 1 }
-    
-    # prep
-    echo "installing $name..."
-    if($name.endswith(".ps1")) { $name = $name -replace '\.ps1$', '' }
-    
-    $scoopdir = "~\appdata\local\scoop"
-    $bindir = "$scoopdir\bin"
-    $appdir = "$scoopdir\$name"
-    
-    if(test-path $appdir) { abort("It looks like ``$name`` is already installed. If you'd like to re-install, please run ``rmdir ~\appdata\local\scoop\$name`` first.") }
-    
-    # install
-    mkdir $appdir > $null
-    $appdir = resolve-path $appdir
-    echo "downloading $url..."
-    dl $url "$appdir\$name.ps1"
-    
-    # binstub
-    echo "creating stub in ~\appdata\local\bin"
-    if(!(test-path $bindir)) { mkdir $bindir > $null }
-    $bindir = resolve-path $bindir
-    
-    echo "`$rawargs = `$myInvocation.line -replace `"^`$([regex]::escape(`$myInvocation.invocationName))\s+`", `"`"" >> "$bindir\$name.ps1"
-    echo "iex `"$appdir\$name.ps1 `$rawargs`"" >> "$bindir\$name.ps1"
-    
-    # ensure path
-    $userpath = env 'path'
-    if($userpath -notmatch [regex]::escape($bindir)) {
-        echo "adding ~\appdata\local\bin to your user path"
-        env 'path' "$userpath;$bindir"  # for future sessions
-        $env:path = "$env:path;$bindir" # for this session
-    }
-    
-    echo "done!"
-}