Use git for installation when available already

Author: xxthunder

install.ps1

@@ -477,6 +477,18 @@ function Add-DefaultConfig {
     Add-Config -Name 'last_update' -Value ([System.DateTime]::Now.ToString('o')) | Out-Null
 }
 
+function Test-Command-Available {
+    param (
+        [Parameter(Mandatory = $True, Position = 0)]
+        [String] $Command
+    )
+    if (Get-Command $Command -ErrorAction SilentlyContinue) {
+        return $true
+    } else {
+        return $false
+    }
+}
+
 function Install-Scoop {
     Write-InstallInfo "Initializing..."
     # Validate install parameters
@@ -486,43 +498,49 @@ function Install-Scoop {
     # Enable TLS 1.2
     Optimize-SecurityProtocol
 
-    # Download scoop zip from GitHub
-    Write-InstallInfo "Downloading..."
-    $downloader = Get-Downloader
-    # 1. download scoop
-    $scoopZipfile = "$SCOOP_APP_DIR\scoop.zip"
-    if (!(Test-Path $SCOOP_APP_DIR)) {
-        New-Item -Type Directory $SCOOP_APP_DIR | Out-Null
-    }
-    Write-Verbose "Downloading $SCOOP_PACKAGE_REPO to $scoopZipfile"
-    $downloader.downloadFile($SCOOP_PACKAGE_REPO, $scoopZipfile)
-    # 2. download scoop main bucket
-    $scoopMainZipfile = "$SCOOP_MAIN_BUCKET_DIR\scoop-main.zip"
-    if (!(Test-Path $SCOOP_MAIN_BUCKET_DIR)) {
-        New-Item -Type Directory $SCOOP_MAIN_BUCKET_DIR | Out-Null
+    if (Test-Command-Available('git')) {
+        Write-Verbose "Cloning $SCOOP_PACKAGE_GIT_REPO to $SCOOP_APP_DIR"
+        git clone $SCOOP_PACKAGE_GIT_REPO $SCOOP_APP_DIR
+        Write-Verbose "Cloning $SCOOP_MAIN_BUCKET_GIT_REPO to $SCOOP_MAIN_BUCKET_DIR"
+        git clone $SCOOP_MAIN_BUCKET_GIT_REPO $SCOOP_MAIN_BUCKET_DIR
+    } else {
+        # Download scoop zip from GitHub
+        Write-InstallInfo "Downloading..."
+        $downloader = Get-Downloader
+        # 1. download scoop
+        $scoopZipfile = "$SCOOP_APP_DIR\scoop.zip"
+        if (!(Test-Path $SCOOP_APP_DIR)) {
+            New-Item -Type Directory $SCOOP_APP_DIR | Out-Null
+        }
+        Write-Verbose "Downloading $SCOOP_PACKAGE_REPO to $scoopZipfile"
+        $downloader.downloadFile($SCOOP_PACKAGE_REPO, $scoopZipfile)
+        # 2. download scoop main bucket
+        $scoopMainZipfile = "$SCOOP_MAIN_BUCKET_DIR\scoop-main.zip"
+        if (!(Test-Path $SCOOP_MAIN_BUCKET_DIR)) {
+            New-Item -Type Directory $SCOOP_MAIN_BUCKET_DIR | Out-Null
+        }
+        Write-Verbose "Downloading $SCOOP_MAIN_BUCKET_REPO to $scoopMainZipfile"
+        $downloader.downloadFile($SCOOP_MAIN_BUCKET_REPO, $scoopMainZipfile)
+
+        # Extract files from downloaded zip
+        Write-InstallInfo "Extracting..."
+        # 1. extract scoop
+        $scoopUnzipTempDir = "$SCOOP_APP_DIR\_tmp"
+        Write-Verbose "Extracting $scoopZipfile to $scoopUnzipTempDir"
+        Expand-ZipArchive $scoopZipfile $scoopUnzipTempDir
+        Copy-Item "$scoopUnzipTempDir\scoop-*\*" $SCOOP_APP_DIR -Recurse -Force
+        # 2. extract scoop main bucket
+        $scoopMainUnzipTempDir = "$SCOOP_MAIN_BUCKET_DIR\_tmp"
+        Write-Verbose "Extracting $scoopMainZipfile to $scoopMainUnzipTempDir"
+        Expand-ZipArchive $scoopMainZipfile $scoopMainUnzipTempDir
+        Copy-Item "$scoopMainUnzipTempDir\Main-*\*" $SCOOP_MAIN_BUCKET_DIR -Recurse -Force
+
+        # Cleanup
+        Remove-Item $scoopUnzipTempDir -Recurse -Force
+        Remove-Item $scoopZipfile
+        Remove-Item $scoopMainUnzipTempDir -Recurse -Force
+        Remove-Item $scoopMainZipfile
     }
-    Write-Verbose "Downloading $SCOOP_MAIN_BUCKET_REPO to $scoopMainZipfile"
-    $downloader.downloadFile($SCOOP_MAIN_BUCKET_REPO, $scoopMainZipfile)
-
-    # Extract files from downloaded zip
-    Write-InstallInfo "Extracting..."
-    # 1. extract scoop
-    $scoopUnzipTempDir = "$SCOOP_APP_DIR\_tmp"
-    Write-Verbose "Extracting $scoopZipfile to $scoopUnzipTempDir"
-    Expand-ZipArchive $scoopZipfile $scoopUnzipTempDir
-    Copy-Item "$scoopUnzipTempDir\scoop-*\*" $SCOOP_APP_DIR -Recurse -Force
-    # 2. extract scoop main bucket
-    $scoopMainUnzipTempDir = "$SCOOP_MAIN_BUCKET_DIR\_tmp"
-    Write-Verbose "Extracting $scoopMainZipfile to $scoopMainUnzipTempDir"
-    Expand-ZipArchive $scoopMainZipfile $scoopMainUnzipTempDir
-    Copy-Item "$scoopMainUnzipTempDir\Main-*\*" $SCOOP_MAIN_BUCKET_DIR -Recurse -Force
-
-    # Cleanup
-    Remove-Item $scoopUnzipTempDir -Recurse -Force
-    Remove-Item $scoopZipfile
-    Remove-Item $scoopMainUnzipTempDir -Recurse -Force
-    Remove-Item $scoopMainZipfile
-
     # Create the scoop shim
     Import-ScoopShim
     # Finially ensure scoop shims is in the PATH
@@ -575,6 +593,9 @@ $SCOOP_CONFIG_FILE = "$SCOOP_CONFIG_HOME\scoop\config.json"
 $SCOOP_PACKAGE_REPO = "https://github.com/ScoopInstaller/Scoop/archive/master.zip"
 $SCOOP_MAIN_BUCKET_REPO = "https://github.com/ScoopInstaller/Main/archive/master.zip"
 
+$SCOOP_PACKAGE_GIT_REPO = "https://github.com/ScoopInstaller/Scoop.git"
+$SCOOP_MAIN_BUCKET_GIT_REPO = "https://github.com/ScoopInstaller/Main.git"
+
 # Quit if anything goes wrong
 $oldErrorActionPreference = $ErrorActionPreference
 $ErrorActionPreference = 'Stop'