From 693dd414df1e3996aee349aad69f210a8208a0cd Mon Sep 17 00:00:00 2001
From: Manuel Thalmann <m@nuth.ch>
Date: Fri, 23 Aug 2024 01:43:26 +0200
Subject: [PATCH] Add scripts for configuring `git`

---
 scripts/Common/Software/git/Manage.ps1  | 104 +++++++++++++++++++++++-
 scripts/Windows/OS/Install.ps1          |  12 +--
 scripts/Windows/Software/git/Manage.ps1 |  44 +++-------
 3 files changed, 120 insertions(+), 40 deletions(-)

diff --git a/scripts/Common/Software/git/Manage.ps1 b/scripts/Common/Software/git/Manage.ps1
index 3bc76b77..cba9ae6e 100644
--- a/scripts/Common/Software/git/Manage.ps1
+++ b/scripts/Common/Software/git/Manage.ps1
@@ -4,8 +4,108 @@ param (
 )
 
 . "$PSScriptRoot/../../Scripts/Software.ps1";
+. "$PSScriptRoot/../../Scripts/System.ps1";
 . "$PSScriptRoot/../../Types/InstallerAction.ps1";
 
-Start-SoftwareInstaller @PSBoundParameters `
-    -Configurator {
+$null = New-Module {
+    param(
+        [hashtable] $Parameters
+    )
+
+    $configure = {
+        param(
+            [string] $User
+        )
+
+        $root = "valhalla";
+
+        if ($User) {
+            $root = "$root$($IsWindows ? ".windows" : '').users.$User";
+            $sudoArgs = @("-u", $User);
+            $configArgs = @("--global");
+        } else {
+            $sudoArgs = @();
+            $configArgs = @("--system");
+        }
+
+        <#
+            .SYNOPSIS
+            Gets the specified git configuration.
+
+            .PARAMETER Name
+            THe name of the configuration to get.
+        #>
+        function Get-GitConfig {
+            param(
+                [string] $Name
+            )
+
+            Get-Config "$root.git.$Name";
+        }
+
+        <#
+            .SYNOPSIS
+            Sets a configuration option in git.
+        #>
+        function Set-GitConfig {
+            sudo @sudoArgs git config @configArgs $args;
+        }
+
+        if ((-not $IsWindows) -or $User) {
+            $branch = Get-GitConfig "defaultBranch";
+            
+            if ($branch) {
+                Set-GitConfig "init.defaultBranch" $branch;
+            }
+        }
+
+        # Git Flow
+        . {
+            $dir = New-TemporaryDirectory;
+            $key = "flow";
+            $mainBranch = Get-GitConfig "$key.mainBranch";
+            $devBranch = Get-GitConfig "$key.devBranch";
+
+            & {
+                git -C "$dir" init;
+                git -C "$dir" config user.name "PortValhalla";
+                git -C "$dir" config user.email "no-reply@valhal.la";
+                git -C "$dir" commit --allow-empty -m "Initial commit";
+                git -C "$dir" branch master;
+                git -C "$dir" branch dev;
+                git -C "$dir" flow init --defaults;
+            } | Out-Null;
+
+            if ($mainBranch) {
+                git -C "$dir" branch $mainBranch | Out-Null;;
+                sudo @sudoArgs git -C "$dir" flow config set @configArgs master $mainBranch;
+            }
+
+            if ($devBranch) {
+                git -C "$dir" branch $devBranch | Out-Null;
+                sudo @sudoArgs git -C "$dir" flow config set @configArgs develop $devBranch;
+            }
+
+            Remove-Item -Recurse -Force $dir;
+        };
+
+        # Aliases
+        [PSCustomObject] $aliases = Get-GitConfig "aliases";
+
+        foreach ($alias in ($aliases | Get-Member -MemberType Properties)) {
+            Set-GitConfig "alias.$($alias.Name)" $aliases.$($alias.Name);
+        }
     };
+
+    Start-SoftwareInstaller @Parameters `
+        -Configurator {
+            & $configure @PSBoundParameters;
+        } `
+        -UserConfigurator {
+            param(
+                [hashtable] $Arguments
+            )
+
+            & $configure -User $Arguments.Name;
+        };
+} $PSBoundParameters;
diff --git a/scripts/Windows/OS/Install.ps1 b/scripts/Windows/OS/Install.ps1
index 1658f41e..45e53b17 100644
--- a/scripts/Windows/OS/Install.ps1
+++ b/scripts/Windows/OS/Install.ps1
@@ -134,16 +134,16 @@ $null = New-Module {
                         };
                     }
 
-                    if (-not (Test-Command "git")) {
-                        Install-ChocoPackage git;
-                        refreshenv;
-                        continue;
-                    }
-    
                     if (-not (Test-Winget)) {
                         . "$PSScriptRoot/../Software/winget/Manage.ps1";
                         continue;
                     }
+
+                    if (-not (Test-Command "git")) {
+                        Install-WingetPackage Git.Git;
+                        refreshenv;
+                        continue;
+                    }
     
                     if (-not (& { $null = wsl --status; $?; })) {
                         wsl --install --no-launch;
diff --git a/scripts/Windows/Software/git/Manage.ps1 b/scripts/Windows/Software/git/Manage.ps1
index 8eb32247..5b761630 100644
--- a/scripts/Windows/Software/git/Manage.ps1
+++ b/scripts/Windows/Software/git/Manage.ps1
@@ -7,38 +7,13 @@ param (
 . "$PSScriptRoot/../../../Common/Scripts/Software.ps1";
 . "$PSScriptRoot/../../../Common/Scripts/Config.ps1";
 
-$null = New-Module {
+& {
     param(
         [hashtable] $Parameters
     )
 
     . "$PSScriptRoot/../../../Common/Types/InstallerAction.ps1";
-
-    <#
-        .SYNOPSIS
-        Gets a configuration value related to git.
-
-        .PARAMETER Name
-        The name of the configuration to get.
-
-        .PARAMETER User
-        The name of the user to get the configuration for.
-    #>
-    function Get-GitOption {
-        param(
-            [Parameter(Mandatory)]
-            [string] $Name,
-            [string] $User
-        )
-
-        $config = "git.$Name";
-
-        if ($User) {
-            Get-UserConfig -UserName $User -Name $config;
-        } else {
-            Get-Config $config;
-        }
-    }
+    $base = "$PSScriptRoot/../../../Common/Software/git/Manage.ps1";
 
     Start-SoftwareInstaller @Parameters `
         -Installer {
@@ -47,7 +22,7 @@ $null = New-Module {
             )
 
             $params = "/WindowsTerminalProfile";
-            $defaultBranch = Get-GitOption "defaultBranch";
+            $defaultBranch = Get-Config "valhalla.git.defaultBranch";
 
             if ($defaultBranch) {
                 $params += " /DefaultBranchName:`"$defaultBranch`"";
@@ -56,8 +31,13 @@ $null = New-Module {
             Install-ChocoPackage git -ArgumentList "--params",$params;
         } `
         -Configurator {
-            & "$PSScriptRoot/../../../Common/Software/git/Manage.ps1" @Parameters;
-        };
+            & $base ([InstallerAction]::Configure);
+        } `
+        -UserConfigurator {
+            param(
+                $Arguments
+            )
 
-    Export-ModuleMember -Function @();
-} -ArgumentList $PSBoundParameters
+            & $base ([InstallerAction]::ConfigureUser) @PSBoundParameterrs;
+        };
+} $PSBoundParameters;