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Export installed HomeBrew software and import for installation on other mac #6

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Merged
darthsharp merged 5 commits into from
Apr 24, 2026
Merged

Export installed HomeBrew software and import for installation on other mac #6

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9af88be
Add Homebrew export and import functionality with CLI integration
darthsharp Apr 22, 2026
84769fc
Add progress tracking and enhanced error reporting for Homebrew imports
darthsharp Apr 22, 2026
a7f3004
Add unit tests for Homebrew export and import functionalities
darthsharp Apr 22, 2026
d9519e1
Add `SingleOrArrayConverter` for flexible JSON serialization of Homeb…
darthsharp Apr 23, 2026
bde4947
Add support for including dependencies in Homebrew export
darthsharp Apr 24, 2026
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1 change: 1 addition & 0 deletions .gitignore
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Original file line number Diff line number Diff line change
Expand Up @@ -328,3 +328,4 @@ ASALocalRun/
.nuke

.DS_Store
.tokensave
110 changes: 94 additions & 16 deletions macSynkker.sln
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Original file line number Diff line number Diff line change
Expand Up @@ -75,53 +75,131 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "build", "build", "{1A70000D
build.cmd = build.cmd
EndProjectSection
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83 changes: 83 additions & 0 deletions source/CreativeCoders.MacOS.HomeBrew/BrewInstaller.cs
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using CreativeCoders.Core;
using CreativeCoders.MacOS.HomeBrew.Import;
using CreativeCoders.ProcessUtils.Execution;

namespace CreativeCoders.MacOS.HomeBrew;

/// <summary>
/// Default <see cref="IBrewInstaller"/> implementation. Uses <see cref="IProcessExecutor{TResult}"/>
/// instances (analogous to <c>BrewUpgrader</c>) to invoke the <c>brew</c> CLI.
/// </summary>
public class BrewInstaller : IBrewInstaller
{
private readonly IProcessExecutor<string> _tapExecutor;

private readonly IProcessExecutor<string> _installFormulaExecutor;

private readonly IProcessExecutor<string> _installCaskExecutor;

public BrewInstaller(IProcessExecutorBuilder<string> processExecutorBuilder)
{
Ensure.NotNull(processExecutorBuilder);

_tapExecutor = processExecutorBuilder
.SetFileName("brew")
.SetArguments(["tap", "{{tap}}"])
.ShouldThrowOnError()
.Build();

_installFormulaExecutor = processExecutorBuilder
.SetFileName("brew")
.SetArguments(["install", "{{name}}"])
.ShouldThrowOnError()
.Build();

_installCaskExecutor = processExecutorBuilder
.SetFileName("brew")
.SetArguments(["install", "--cask", "{{token}}"])
.ShouldThrowOnError()
.Build();
}

public async Task TapAsync(string tap)
{
Ensure.IsNotNullOrWhitespace(tap);

try
{
await _tapExecutor.ExecuteAsync(new { tap }).ConfigureAwait(false);
}
catch (ProcessExecutionFailedException e)
{
throw new BrewInstallFailedException(BrewInstallTargetKind.Tap, tap, e.ErrorOutput, e.ExitCode);
}
}

public async Task InstallFormulaAsync(string name)
{
Ensure.IsNotNullOrWhitespace(name);

try
{
await _installFormulaExecutor.ExecuteAsync(new { name }).ConfigureAwait(false);
}
catch (ProcessExecutionFailedException e)
{
throw new BrewInstallFailedException(BrewInstallTargetKind.Formula, name, e.ErrorOutput, e.ExitCode);
}
}

public async Task InstallCaskAsync(string token)
{
Ensure.IsNotNullOrWhitespace(token);

try
{
await _installCaskExecutor.ExecuteAsync(new { token }).ConfigureAwait(false);
}
catch (ProcessExecutionFailedException e)
{
throw new BrewInstallFailedException(BrewInstallTargetKind.Cask, token, e.ErrorOutput, e.ExitCode);
}
}
}
97 changes: 97 additions & 0 deletions source/CreativeCoders.MacOS.HomeBrew/Export/BrewExporter.cs
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using System.Text.Json;
using System.Text.Json.Serialization;
using CreativeCoders.Core;
using CreativeCoders.MacOS.HomeBrew.Models.Casks;
using CreativeCoders.MacOS.HomeBrew.Models.Export;
using CreativeCoders.MacOS.HomeBrew.Models.Formulae;

namespace CreativeCoders.MacOS.HomeBrew.Export;

/// <summary>
/// Default <see cref="IBrewExporter"/> implementation. Reads the installed software via
/// <see cref="IBrewInstalledSoftware"/> and projects it onto the slim
/// <see cref="BrewExportModel"/> used for the JSON export.
/// </summary>
public class BrewExporter(IBrewInstalledSoftware installedSoftware) : IBrewExporter
{
private const string DefaultFormulaTap = "homebrew/core";

private const string DefaultCaskTap = "homebrew/cask";

private static readonly JsonSerializerOptions JsonOptions = new JsonSerializerOptions
{
WriteIndented = true,
DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingNull
};

private readonly IBrewInstalledSoftware _installedSoftware = Ensure.NotNull(installedSoftware);

/// <inheritdoc />
public async Task<BrewExportModel> CreateExportModelAsync(bool includeDependencies)
{
var installed = await _installedSoftware.GetInstalledSoftwareAsync().ConfigureAwait(false);

return new BrewExportModel
{
Formulae = installed.Formulae
.Where(x => !x.IsInstalledAsDependency() || includeDependencies)
.Select(MapFormula)
.Where(x => !string.IsNullOrWhiteSpace(x.Name))
.ToArray(),
Casks = installed.Casks
.Select(MapCask)
.Where(x => !string.IsNullOrWhiteSpace(x.Token))
.ToArray()
};
}

/// <inheritdoc />
public async Task ExportToFileAsync(string filePath, bool includeDependencies)
{
Ensure.IsNotNullOrWhitespace(filePath);

var exportModel = await CreateExportModelAsync(includeDependencies).ConfigureAwait(false);

var directory = Path.GetDirectoryName(filePath);

if (!string.IsNullOrEmpty(directory))
{
Directory.CreateDirectory(directory);
}

await using var stream = File.Create(filePath);

await JsonSerializer.SerializeAsync(stream, exportModel, JsonOptions).ConfigureAwait(false);
}

private static BrewExportFormulaModel MapFormula(BrewFormulaModel formula)
{
return new BrewExportFormulaModel
{
Name = formula.FullName ?? formula.Name ?? string.Empty,
Tap = NormalizeTap(formula.Tap, DefaultFormulaTap)
};
}

private static BrewExportCaskModel MapCask(BrewCaskModel cask)
{
return new BrewExportCaskModel
{
Token = cask.FullToken ?? cask.Token ?? string.Empty,
Tap = NormalizeTap(cask.Tap, DefaultCaskTap)
};
}

// Returns null when the tap matches the default tap so that the exported JSON stays slim.
private static string? NormalizeTap(string? tap, string defaultTap)
{
if (string.IsNullOrWhiteSpace(tap))
{
return null;
}

return string.Equals(tap, defaultTap, StringComparison.OrdinalIgnoreCase)
? null
: tap;
}
}
29 changes: 29 additions & 0 deletions source/CreativeCoders.MacOS.HomeBrew/Export/IBrewExporter.cs
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using CreativeCoders.MacOS.HomeBrew.Models.Export;

namespace CreativeCoders.MacOS.HomeBrew.Export;

/// <summary>
/// Exports the locally installed Homebrew software to a serializable model or to a JSON file.
/// </summary>
public interface IBrewExporter
{
/// <summary>
/// Builds a <see cref="BrewExportModel"/> based on the currently installed Homebrew software.
/// </summary>
/// <param name="includeDependencies">
/// <see langword="true"/> to include formulae installed as dependencies;
/// otherwise, <see langword="false"/>.
/// </param>
/// <returns>A <see cref="BrewExportModel"/> representing the installed software.</returns>
Task<BrewExportModel> CreateExportModelAsync(bool includeDependencies);

/// <summary>
/// Builds the export model and writes it as JSON to the file at <paramref name="filePath"/>.
/// </summary>
/// <param name="filePath">The absolute or relative path of the target file.</param>
/// <param name="includeDependencies">
/// <see langword="true"/> to include formulae installed as dependencies;
/// otherwise, <see langword="false"/>.
/// </param>
Task ExportToFileAsync(string filePath, bool includeDependencies);
}
5 changes: 5 additions & 0 deletions source/CreativeCoders.MacOS.HomeBrew/HomeBrewServiceCollectionExtensions.cs
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using CreativeCoders.MacOS.HomeBrew.Export;
using CreativeCoders.MacOS.HomeBrew.Import;
using CreativeCoders.ProcessUtils;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.DependencyInjection.Extensions;
Expand All @@ -13,6 +15,9 @@ public static IServiceCollection AddHomeBrew(this IServiceCollection services)
services.TryAddSingleton<IBrewInfo, BrewInfo>();
services.TryAddSingleton<IBrewInstalledSoftware, BrewInstalledSoftware>();
services.TryAddSingleton<IBrewUpgrader, BrewUpgrader>();
services.TryAddSingleton<IBrewExporter, BrewExporter>();
services.TryAddSingleton<IBrewInstaller, BrewInstaller>();
services.TryAddSingleton<IBrewImporter, BrewImporter>();

return services;
}
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16 changes: 16 additions & 0 deletions source/CreativeCoders.MacOS.HomeBrew/IBrewInstaller.cs
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namespace CreativeCoders.MacOS.HomeBrew;

/// <summary>
/// Wraps the <c>brew</c> CLI calls needed to add taps and install formulae or casks.
/// </summary>
public interface IBrewInstaller
{
/// <summary>Adds a Homebrew tap (<c>brew tap &lt;tap&gt;</c>).</summary>
Task TapAsync(string tap);

/// <summary>Installs a formula (<c>brew install &lt;name&gt;</c>).</summary>
Task InstallFormulaAsync(string name);

/// <summary>Installs a cask (<c>brew install --cask &lt;token&gt;</c>).</summary>
Task InstallCaskAsync(string token);
}
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