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Robin Hermann
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fix: change structure (missing files)
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‎Flow.Launcher.Plugin.KubernetesContextSwitcher/Flow.Launcher.Plugin.KubernetesContextSwitcher.csproj‎

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<TargetFramework>net7.0-windows7.0</TargetFramework>
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<ImplicitUsings>enable</ImplicitUsings>
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<Nullable>enable</Nullable>
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<AssemblyName>Flow.Launcher.Plugin.KubernetesContextSwitcher</AssemblyName>
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<RootNamespace>Flow.Launcher.Plugin.KubernetesContextSwitcher</RootNamespace>
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<Version>1.0.1</Version>
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<Authors>Robin Hermann</Authors>
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<Description>A Flow Launcher plugin to switch Kubernetes contexts quickly</Description>
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<PackageId>Flow.Launcher.Plugin.KubernetesContextSwitcher</PackageId>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="Flow.Launcher.Plugin" Version="4.6.0" />
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</ItemGroup>
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</Project>

‎Flow.Launcher.Plugin.KubernetesContextSwitcher/Images/error.png‎

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‎Flow.Launcher.Plugin.KubernetesContextSwitcher/Images/k8s.png‎

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‎Flow.Launcher.Plugin.KubernetesContextSwitcher/Main.cs‎

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using Flow.Launcher.Plugin;
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using System.Diagnostics;
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using System.Text.Json;
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namespace Flow.Launcher.Plugin.KubernetesContextSwitcher;
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public class Main : IPlugin
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{
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private PluginInitContext _context = null!;
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private string _kubectlPath = "kubectl";
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public void Init(PluginInitContext context)
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{
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_context = context;
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// Try to find kubectl in PATH or common locations
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var kubectlPaths = new[]
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{
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"kubectl",
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@"C:\Program Files\Docker\Docker\resources\bin\kubectl.exe",
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@"C:\Users\%USERNAME%\AppData\Local\Microsoft\WinGet\Packages\Kubernetes.kubectl_Microsoft.Winget.Source_8wekyb3d8bbwe\kubectl.exe"
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};
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foreach (var path in kubectlPaths)
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{
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if (File.Exists(path) || IsCommandAvailable(path))
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{
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_kubectlPath = path;
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break;
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}
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}
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}
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public List<Result> Query(Query query)
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{
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var results = new List<Result>();
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var searchTerm = query.Search.Trim();
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try
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{
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if (string.IsNullOrEmpty(searchTerm))
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{
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// Show current context and available contexts
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var currentContext = GetCurrentContext();
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var contexts = GetAvailableContexts();
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results.Add(new Result
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{
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Title = $"Current: {currentContext}",
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SubTitle = "Current Kubernetes context",
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IcoPath = "Images/k8s.png",
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Score = 100
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});
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foreach (var context in contexts.Where(c => c != currentContext))
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{
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results.Add(new Result
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{
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Title = context,
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SubTitle = $"Switch to {context}",
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IcoPath = "Images/k8s.png",
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Score = 90,
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Action = e =>
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{
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SwitchContext(context);
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_context.API.ShowMsg($"Switched to context: {context}");
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return true;
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}
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});
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}
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}
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else
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{
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// Filter contexts based on search term
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var contexts = GetAvailableContexts()
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.Where(c => c.Contains(searchTerm, StringComparison.OrdinalIgnoreCase))
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.ToList();
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var currentContext = GetCurrentContext();
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foreach (var context in contexts)
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{
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var isCurrent = context == currentContext;
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results.Add(new Result
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{
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Title = context + (isCurrent ? " (current)" : ""),
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SubTitle = isCurrent ? "Current context" : $"Switch to {context}",
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IcoPath = "Images/k8s.png",
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Score = isCurrent ? 80 : 90,
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Action = isCurrent ? null : e =>
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{
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SwitchContext(context);
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_context.API.ShowMsg($"Switched to context: {context}");
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return true;
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}
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});
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}
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}
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}
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catch (Exception ex)
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{
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results.Add(new Result
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{
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Title = "Error",
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SubTitle = ex.Message,
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IcoPath = "Images/error.png",
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Score = 0
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});
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}
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return results;
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}
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private string GetCurrentContext()
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{
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var startInfo = new ProcessStartInfo
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{
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FileName = _kubectlPath,
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Arguments = "config current-context",
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RedirectStandardOutput = true,
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RedirectStandardError = true,
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UseShellExecute = false,
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CreateNoWindow = true
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};
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using var process = Process.Start(startInfo);
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if (process == null)
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throw new Exception("Failed to start kubectl process");
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var output = process.StandardOutput.ReadToEnd();
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var error = process.StandardError.ReadToEnd();
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process.WaitForExit();
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if (process.ExitCode != 0)
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throw new Exception($"kubectl error: {error}");
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return output.Trim();
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}
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private List<string> GetAvailableContexts()
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{
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var startInfo = new ProcessStartInfo
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{
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FileName = _kubectlPath,
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Arguments = "config get-contexts -o name",
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RedirectStandardOutput = true,
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RedirectStandardError = true,
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UseShellExecute = false,
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CreateNoWindow = true
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};
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using var process = Process.Start(startInfo);
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if (process == null)
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throw new Exception("Failed to start kubectl process");
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var output = process.StandardOutput.ReadToEnd();
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var error = process.StandardError.ReadToEnd();
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process.WaitForExit();
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if (process.ExitCode != 0)
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throw new Exception($"kubectl error: {error}");
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return output.Split('\n', StringSplitOptions.RemoveEmptyEntries)
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.Select(line => line.Trim())
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.Where(line => !string.IsNullOrEmpty(line))
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.ToList();
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}
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private void SwitchContext(string contextName)
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{
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var startInfo = new ProcessStartInfo
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{
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FileName = _kubectlPath,
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Arguments = $"config use-context {contextName}",
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RedirectStandardOutput = true,
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RedirectStandardError = true,
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UseShellExecute = false,
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CreateNoWindow = true
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};
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using var process = Process.Start(startInfo);
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if (process == null)
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throw new Exception("Failed to start kubectl process");
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var output = process.StandardOutput.ReadToEnd();
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var error = process.StandardError.ReadToEnd();
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process.WaitForExit();
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if (process.ExitCode != 0)
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throw new Exception($"Failed to switch context: {error}");
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}
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private bool IsCommandAvailable(string command)
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{
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try
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{
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var startInfo = new ProcessStartInfo
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{
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FileName = "where",
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Arguments = command,
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RedirectStandardOutput = true,
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UseShellExecute = false,
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CreateNoWindow = true
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};
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using var process = Process.Start(startInfo);
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if (process == null) return false;
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var output = process.StandardOutput.ReadToEnd();
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process.WaitForExit();
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return process.ExitCode == 0 && !string.IsNullOrEmpty(output.Trim());
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}
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catch
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{
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return false;
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}
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}
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}

‎Flow.Launcher.Plugin.KubernetesContextSwitcher/plugin.json‎

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{
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"ID": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
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"ActionKeyword": "k8s",
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"Name": "Kubernetes Context Switcher",
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"Description": "Switch between Kubernetes contexts quickly",
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"Author": "Robin Hermann",
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"Version": "1.0.1",
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"Language": "csharp",
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"Website": "https://github.com/r-studio/Flow.Launcher.Plugin.KubernetesContextSwitcher",
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"IcoPath": "Images\\k8s.png",
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"ExecuteFileName": "Flow.Launcher.Plugin.KubernetesContextSwitcher.dll",
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"Disabled": false
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}

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