PowerGit.psm1

# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

using namespace System.Runtime.InteropServices

$runtime = if ($IsMacOS) {
    'osx'
} else {
    $os = if ($PSVersionTable.PSVersion.Major -lt 6 -or $IsWindows) {
        'win'
    } elseif ($IsLinux) {
        'linux'
        # TODO detect debian, fedora, alpine, rhel
    }
    $arch = [RuntimeInformation]::OSArchitecture.ToString().ToLower()
    "$os-$arch"
}

if (-not (Test-Path "$PSScriptRoot/Assemblies/installed")) {
    Copy-Item "$PSScriptRoot/Assemblies/runtimes/$runtime/native/*.*" "$PSScriptRoot/Assemblies/" -ErrorAction Stop
    Out-File "$PSScriptRoot/Assemblies/installed"
}

Import-Module "$PSScriptRoot/Assemblies/LibGit2Sharp.dll"
Import-Module "$PSScriptRoot/Assemblies/PowerGit.dll"

$sshCmd = Get-Command 'ssh' -ErrorAction Ignore
if ($sshCmd) {
    $sshPath = $sshCmd.Path
} else {
    $gitCmd = Get-Command -Name 'git.exe' -ErrorAction Ignore
    if ($gitCmd) {
        $sshPath = Split-Path -Path $gitCmd.Path -Parent
        $sshPath = Join-Path -Path $sshPath -ChildPath '..\usr\bin\ssh.exe' -Resolve -ErrorAction Ignore
    }
}

if ($sshPath) {
    [PowerGit.SshExeTransport]::Unregister()
    [PowerGit.SshExeTransport]::Register($sshPath)
} else {
    Write-Warning -Message ('SSH support is disabled. To enable SSH, please install Git for Windows. PowerGit uses the version of SSH that ships with Git for Windows.')
}

Get-ChildItem -Path (Join-Path -Path $PSScriptRoot -ChildPath 'Functions' -Resolve) -Filter '*.ps1' |
    Where-Object { $_.Name -notlike '*.Tests.ps1' } |
    ForEach-Object { . $_.FullName }