Add support for specific platforms

lib/core.ps1

@@ -2,39 +2,6 @@ function getversion() {
 	"0.4.0"
 }
 
-function is_installed($pkg) {
-	$isin = $false
-	$packages = @()	
-	$manifestobj = get-content './kombucha.json' | convertfrom-json
-	$manifest = @{}
-	$manifestobj.psobject.properties | Foreach { $manifest[$_.Name] = $_.Value }
-	foreach ($package in $manifest.packages.package) {
-		$packages += $package
-	}
-	foreach ($package in $packages) {
-		if ($pkg -eq $package) {
-			$isin = $true
-		}
-	}
-	return $isin
-}
-
-function update_manifest($pkg, $ver) {
-	$i = 0
-	$pos = 0
-	$manifest = get-content './kombucha.json' | convertfrom-json
-	foreach ($package in $manifest.packages.package) {
-		if ($package -eq $pkg) {
-			$pos = $i
-			break
-		}
-		$i++
-	}
-	($manifest.packages[$pos]).version = $ver
-	set-content './kombucha.json' ($manifest | convertto-json)
-}
-
-
 function printf($txt) {
 	write-host "[kombucha] $txt" -nonewline
 }

libexec/kombucha-install.ps1

@@ -5,24 +5,29 @@
 #
 # Options:
 #     -g, --global       Install the package globally.
+#     -f, --force        Force installation of package.
 
 . "$psscriptroot/../lib/core.ps1"
 . "$psscriptroot/../lib/unix.ps1"
 . "$psscriptroot/../lib/shim.ps1"
 . "$psscriptroot/../lib/path.ps1"
 . "$psscriptroot/../lib/args.ps1"
+. "$psscriptroot/../lib/filesys.ps1"
 
 $E = [char]27
 $error_msg = "$E[1m$E[38;2;255;10;010merr!$E[0m"
 $done_msg = "$E[1m$E[38;2;100;255;80mdone$E[0m"
+$ok_msg = "$E[1m$E[38;2;100;255;80mok$E[0m"
+$unknown_msg = "$E[1m$E[38;2;250;250;0m???$E[0m"
 $warn_msg = "$E[1m$E[38;2;250;250;0mwarn$E[0m"
 $info_msg = "$E[1m$E[38;2;120;120;255minfo$E[0m"
 
-$opt, $packages, $errors = getopt $args 'g' 'global'
+$opt, $packages, $errors = getopt $args 'gf' 'global','force'
 $global = $opt.global -or $opt.g
+$force = $opt.force -or $opt.f
 
 if ($errors) {
-    printf "$error_msg argument error: $err`n"
+    printf "$error_msg argument error: $errors`n"
     exit 1
 }
 
@@ -41,26 +46,114 @@ foreach ($_pkg in $packages) {
     $manifest = $manifest_json | convertfrom-json
     $package = $manifest.name
     $vendor = $manifest.vendor
+    $g_url = $manifest.git_url
+    $f_url = $manifest.file_url
+    $platform = $manifest.platform
     $done_msg
 
-
-    printf "$info_msg checking repository '$package' from '$vendor'... "
-    git ls-remote "[email protected]:$vendor/$package" -q 2> $null
-    if (!$?) {
-        $error_msg
-        printf "$error_msg repository does not appear to exist. aborting.`n"
-        continue
+    if ($platform) {
+        printf "$info_msg checking platform compatibility... "
+        if ($platform -eq "win32") {
+            if ($IsWindows) {
+                $ok_msg
+            } 
+            else {
+                if ($force) {
+                    ""
+                    printf "$warn_msg platform 'win32' does not match current platform, forcing install anyway.`n"
+                }
+                else {
+                    $error_msg
+                    printf "$error_msg platform 'win32' does not match current platform, skipping.`n"
+                    continue
+                }
+            }
+        }
+        elseif ($platform -eq "linux") {
+            if ($IsLinux) {
+                $ok_msg
+            } 
+            else {
+                if ($force) {
+                    ""
+                    printf "$warn_msg platform 'linux' does not match current platform, forcing install anyway."
+                }
+                else {
+                    $error_msg
+                    printf "$error_msg platform 'linux' does not match current platform, skipping."
+                    continue
+                }
+            }
+        }
+        elseif ($platform -eq "darwin") {
+            if ($IsMacOS) {
+                $ok_msg
+            } 
+            else {
+                if ($force) {
+                    ""
+                    printf "$warn_msg platform 'darwin' does not match current platform, forcing install anyway."
+                }
+                else {
+                    $error_msg
+                    printf "$error_msg platform 'darwin' does not match current platform, skipping."
+                    continue
+                }
+            }
+        }
+        else {
+            $unknown_msg
+        }
     }
-    else {
+
+    if ($g_url) {
+        printf "$info_msg checking repository $g_url... "
+        git ls-remote "$g_url" -q 2> $null
+        if (!$?) {
+            $error_msg
+            printf "$error_msg repository does not appear to exist. skipping.`n"
+            continue
+        }
+        else {
+            $done_msg
+        }
+
+        printf "$info_msg cloning package '${package}'... "
+        if (test-path "$(get_tmp)/${vendor}-${package}") {
+            remove-item -r -fo "$(get_tmp)/${vendor}-${package}"
+        }
+        git clone -q "$g_url" "$(get_tmp)/${vendor}-${package}" > $null
         $done_msg
-    }
+    } elseif ($f_url) {
+        if (test-path "$(get_tmp)/${vendor}-${package}") {
+            remove-item -r -fo "$(get_tmp)/${vendor}-${package}"
+        }
+        mkdir -p "$(get_tmp)/${vendor}-${package}" > $null
 
-    printf "$info_msg cloning package '${package}'... "
-    if (test-path "$(get_tmp)/${vendor}-${package}") {
-        remove-item -r -fo "$(get_tmp)/${vendor}-${package}"
+        foreach ($url in $f_url) {
+            printf "$info_msg downloading file from $f_url... "
+            curl -sSL "$url" > "$(get_tmp)/${vendor}-${package}/$(url_fname $url)"
+            $done_msg
+        }
+    } else {
+        printf "$info_msg checking repository '$package' from '$vendor'... "
+        git ls-remote "[email protected]:$vendor/$package" -q 2> $null
+        if (!$?) {
+            $error_msg
+            printf "$error_msg repository does not appear to exist. skipping.`n"
+            continue
+        }
+        else {
+            $done_msg
+        }
+
+        printf "$info_msg cloning package '${package}'... "
+        if (test-path "$(get_tmp)/${vendor}-${package}") {
+            remove-item -r -fo "$(get_tmp)/${vendor}-${package}"
+        }
+        git clone -q "https://github.com/$vendor/$package" "$(get_tmp)/${vendor}-${package}" > $null
+        $done_msg
     }
-    git clone -q "https://github.com/$vendor/$package" "$(get_tmp)/${vendor}-${package}" > $null
-    $done_msg
 
     if ($manifest.global -eq "true" -and $global -eq $false) {
         $install_global = $true