Merge pull request #78 from ludoux/74-提供-ps1-脚本以自动更新程序

feat: 为Windows用户提供 ps1 更新脚本

assets/win_CLICK_ME_TO_CHECK_UPDATE.bat

@@ -0,0 +1,5 @@
+@echo OFF
+:: This batch file exists to run win_updater.ps1 without hassle
+pushd %~dp0
+set updater_script="%~dp0\win_updater.ps1"
+powershell -noprofile -nologo -executionpolicy bypass -File %updater_script%

assets/win_updater.ps1

@@ -0,0 +1,187 @@
+$update_download_dir = Join-Path (Get-Location) "\update_temp\";
+$ps1_filename = "win_updater.ps1"
+
+function Override-Copy($source, $dest) {
+    if (Test-Path ($source)) {
+        Copy-Item $source -Destination $dest -force
+    }
+}
+
+function Download-Archive ($filename, $link) {
+    Write-Host "Downloading" $filename "..."
+    Invoke-WebRequest -Uri $link -UserAgent [Microsoft.PowerShell.Commands.PSUserAgent]::FireFox -OutFile (Join-Path $update_download_dir $filename)
+}
+
+function Get-Latest-Ngapost2md ($Arch) {
+    $api_gh = "https://api.github.com/repos/ludoux/ngapost2md/releases/latest"
+    $json = Invoke-WebRequest $api_gh -MaximumRedirection 0 -ErrorAction Ignore -UseBasicParsing | ConvertFrom-Json
+    $filename = $json.assets | Where-Object { $_.name -Match "windows-$Arch" } | Select-Object -ExpandProperty name
+    $size = $json.assets | Where-Object { $_.name -Match "windows-$Arch" } | Select-Object -ExpandProperty size
+    $title = $json.name
+    $date = $json.created_at
+    $body = $json.body
+    $download_link = $json.assets | Where-Object { $_.name -Match "windows-$Arch" } | Select-Object -ExpandProperty browser_download_url
+    if ($filename -is [array]) {
+        return $title, $filename[0], $download_link[0]
+    }
+    else {
+        return $title, $date, $body, $filename, $download_link, $size
+    }
+}
+
+function Check-Local-Version() {
+    $FilePath = [System.IO.Path]::Combine((Get-Location).Path, 'ngapost2md.exe')
+    if (Test-Path $FilePath) {
+        $output = cmd /c $FilePath "--version" 2`>`&1
+        $ver = $output -split " "
+        return $ver[1]
+    } else {
+        Write-Host "No ngapost2md found!"
+        return "not_found"
+    }
+
+}
+
+function Check-OS-Arch() {
+    if (Test-Path (Join-Path $env:windir "SysWow64")) {
+        $original_arch = "amd64"
+    }
+    else {
+        $original_arch = "386"
+    }
+    return $original_arch
+}
+
+function Check-And-Download-And-Unzip() {
+    $local_version = Check-Local-Version
+    $arch = Check-OS-Arch
+
+    Write-Host "You are using ngapost2md" $local_version ". Start checking latest version from GitHub release page..."
+
+    # get release info
+    $r_title, $r_date, $r_body, $r_filename, $r_link, $r_filesize = Get-Latest-Ngapost2md $arch
+
+    # check if using the latest version
+    if ($r_title -cmatch ("\[",$local_version,"\]" -join "")) {
+        if (Test-Path $update_download_dir) {
+            Remove-Item -Path $update_download_dir -Recurse -ErrorAction Stop
+        }
+        Write-Host ("Congratulations! You are using the latest version of ngapost2md:", $local_version) -ForegroundColor White -BackgroundColor Green
+        Write-Host "Operation completed" -ForegroundColor Magenta
+        timeout 8
+        exit 0
+    }
+
+    # It may happen when the github actions do not release this arch
+    if (!$r_filename) {
+        Write-Host ("Can not find release binary for windows-", $Arch -join "") -ForegroundColor Red
+        Write-Host "Operation completed" -ForegroundColor Magenta
+        timeout 8
+        exit 1
+    }
+
+    # print new version info
+    Write-Host "New version (" $r_title ") found. Released at" $r_date
+    Write-Host  "You can view changelog at https://github.com/ludoux/ngapost2md/releases/latest"
+
+    # download it
+    Download-Archive $r_filename $r_link
+
+    # check file size
+    $downloaded_file = Join-Path $update_download_dir $r_filename
+    $file_size = (Get-ChildItem $downloaded_file).Length
+    if ($file_size -eq $r_filesize) {
+        Write-Host "Download completed. The archive file size is" $file_size
+    } else {
+        Write-Host "Downloaded file size is not correct! Please re-run this update script to redo!" -ForegroundColor Red
+        Write-Host "Operation completed" -ForegroundColor Magenta
+        timeout 8
+        exit 1
+    }
+
+    # unzip file
+    Expand-Archive $downloaded_file -DestinationPath $update_download_dir
+}
+
+function Update-Ps1-If-Necessary() {
+    #May contains newer ps1 files. Update myself necessary
+    if (Test-Path (Join-Path $update_download_dir $ps1_filename)) {
+        $my_hash = (Get-FileHash $PSCommandPath).hash
+        $it_hash = (Get-FileHash (Join-Path $update_download_dir $ps1_filename)).hash
+        if ($my_hash -ne $it_hash) {
+            Write-Host "Extract" $ps1_filename "..."
+            Get-Content (Join-Path $update_download_dir $ps1_filename) -Raw | Set-Content $PSCommandPath
+            return $true
+        }
+    }
+    return $false
+}
+
+function Do-Update-After-Ps1-No-Change() {
+    #Copy README.md
+    Write-Host "Overwrite README.md ..."
+    Override-Copy (Join-Path $update_download_dir "\README.md") (Get-Location).Path
+
+    #Copy ngapost2md.exe
+    Write-Host "Overwrite ngapost2md.exe ..."
+    Override-Copy (Join-Path $update_download_dir "\ngapost2md.exe") (Get-Location).Path
+
+    #Copy LICENSE
+    Write-Host "Overwrite LICENSE ..."
+    Override-Copy (Join-Path $update_download_dir "\LICENSE") (Get-Location).Path
+
+    #Copy config.ini if it does not exist
+    if (Test-Path (Join-Path (Get-Location) "\config.ini")) {
+        Write-Host "Skip modify config.ini"
+    } else {
+        Write-Host "Write config.ini ..."
+        Override-Copy (Join-Path $update_download_dir "\config.ini") (Get-Location).Path
+    }
+}
+
+function Do-Update-After-Ps1-Change() {
+    Do-Update-After-Ps1-No-Change
+}
+
+#
+# Main script entry point
+#
+try {
+    if (($args.Count -eq 1) -and ($args[0] -eq "continue_after_ps1_update")) {
+        Do-Update-After-Ps1-Change
+    } else {
+        # remove temp dir at first and recreate it
+        if (Test-Path $update_download_dir) {
+            Remove-Item -Path $update_download_dir -Recurse -ErrorAction Stop
+        }
+        # create empty download dir
+        # hide output
+        $null = New-Item -ItemType Directory -Force $update_download_dir
+
+        Check-And-Download-And-Unzip
+
+        if (Update-Ps1-If-Necessary -eq $true) {
+            # Re-run myself to continue updating
+            & $PSCommandPath "continue_after_ps1_update"
+            exit 0
+        } else {
+            Do-Update-After-Ps1-No-Change
+        }
+    }
+
+    if (Test-Path $update_download_dir) {
+        Remove-Item -Path $update_download_dir -Recurse -ErrorAction Stop
+    }
+    Write-Host "Update finished successfully!" -ForegroundColor White -BackgroundColor Green
+    Write-Host "Operation completed" -ForegroundColor Magenta
+    timeout 8
+    exit 0
+}
+catch {
+    if (Test-Path $update_download_dir) {
+        Remove-Item -Path $update_download_dir -Recurse -ErrorAction Stop
+    }
+    Write-Host $_.Exception.Message -ForegroundColor Red
+    timeout 8
+    exit 1
+}