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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,144 @@ | ||
| package sdkbuild | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "html" | ||
| "os" | ||
| "os/exec" | ||
| "path/filepath" | ||
| "runtime" | ||
| "strings" | ||
| ) | ||
|
|
||
| // BuildDotNetProgramOptions are options for BuildDotNetProgram. | ||
| type BuildDotNetProgramOptions struct { | ||
| // Directory that will have a temporary directory created underneath. | ||
| BaseDir string | ||
| // Required version. If it contains a slash, it is assumed to be a path to the | ||
| // base of the repo (and will have a src/Temporalio/Temporalio.csproj child). | ||
| // Otherwise it is a NuGet version. | ||
| Version string | ||
| // If present, this directory is expected to exist beneath base dir. Otherwise | ||
| // a temporary dir is created. | ||
| DirName string | ||
| // Required Program.cs content. If not set, no Program.cs is created (so it) | ||
| ProgramContents string | ||
| // Required csproj content. This should not contain a dependency on Temporalio | ||
| // because this adds a package/project reference near the end. | ||
| CsprojContents string | ||
| } | ||
|
|
||
| // DotNetProgram is a .NET-specific implementation of Program. | ||
| type DotNetProgram struct { | ||
| dir string | ||
| } | ||
|
|
||
| var _ Program = (*DotNetProgram)(nil) | ||
|
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| func BuildDotNetProgram(ctx context.Context, options BuildDotNetProgramOptions) (*DotNetProgram, error) { | ||
| if options.BaseDir == "" { | ||
| return nil, fmt.Errorf("base dir required") | ||
| } else if options.Version == "" { | ||
| return nil, fmt.Errorf("version required") | ||
| } else if options.ProgramContents == "" { | ||
| return nil, fmt.Errorf("program contents required") | ||
| } else if options.CsprojContents == "" { | ||
| return nil, fmt.Errorf("csproj contents required") | ||
| } | ||
|
|
||
| // Create temp dir if needed that we will remove if creating is unsuccessful | ||
| success := false | ||
| var dir string | ||
| if options.DirName != "" { | ||
| dir = filepath.Join(options.BaseDir, options.DirName) | ||
| } else { | ||
| var err error | ||
| dir, err = os.MkdirTemp(options.BaseDir, "program-") | ||
| if err != nil { | ||
| return nil, fmt.Errorf("failed making temp dir: %w", err) | ||
| } | ||
| defer func() { | ||
| if !success { | ||
| // Intentionally swallow error | ||
| _ = os.RemoveAll(dir) | ||
| } | ||
| }() | ||
| } | ||
|
|
||
| // Create program.csproj | ||
| var depLine string | ||
| // Slash means it is a path | ||
| if strings.ContainsAny(options.Version, `/\`) { | ||
| // Get absolute path of csproj file | ||
| absCsproj, err := filepath.Abs(filepath.Join(options.Version, "src/Temporalio/Temporalio.csproj")) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("cannot make absolute path from version: %w", err) | ||
| } else if _, err := os.Stat(absCsproj); err != nil { | ||
| return nil, fmt.Errorf("cannot find version path of %v: %w", absCsproj, err) | ||
| } | ||
| depLine = `<ProjectReference Include="` + html.EscapeString(absCsproj) + `" />` | ||
| // Need to build this csproj first | ||
| cmd := exec.CommandContext(ctx, "dotnet", "build", absCsproj) | ||
| cmd.Dir = dir | ||
| cmd.Stdin, cmd.Stdout, cmd.Stderr = os.Stdin, os.Stdout, os.Stderr | ||
| if err := cmd.Run(); err != nil { | ||
| return nil, fmt.Errorf("failed dotnet build of csproj in version: %w", err) | ||
| } | ||
| } else { | ||
| depLine = `<PackageReference Include="Temporalio" Version="` + | ||
| html.EscapeString(strings.TrimPrefix(options.Version, "v")) + `" />` | ||
| } | ||
| // Add the item group for the Temporalio dep just before the ending project tag | ||
| endProjectTag := strings.LastIndex(options.CsprojContents, "</Project>") | ||
| if endProjectTag == -1 { | ||
| return nil, fmt.Errorf("no ending project tag found in csproj contents") | ||
| } | ||
| csproj := options.CsprojContents[:endProjectTag] + "\n <ItemGroup>\n " + depLine + | ||
| "\n </ItemGroup>\n" + options.CsprojContents[endProjectTag:] | ||
| if err := os.WriteFile(filepath.Join(dir, "program.csproj"), []byte(csproj), 0644); err != nil { | ||
| return nil, fmt.Errorf("failed writing program.csproj: %w", err) | ||
| } | ||
|
|
||
| // Create Program.cs | ||
| if err := os.WriteFile(filepath.Join(dir, "Program.cs"), []byte(options.ProgramContents), 0644); err != nil { | ||
| return nil, fmt.Errorf("failed writing Program.cs: %w", err) | ||
| } | ||
|
|
||
| // Build it into build folder | ||
| cmd := exec.CommandContext(ctx, "dotnet", "build", "--output", "build") | ||
| cmd.Dir = dir | ||
| cmd.Stdin, cmd.Stdout, cmd.Stderr = os.Stdin, os.Stdout, os.Stderr | ||
| if err := cmd.Run(); err != nil { | ||
| return nil, fmt.Errorf("failed dotnet build: %w", err) | ||
| } | ||
|
|
||
| // All good | ||
| success = true | ||
| return &DotNetProgram{dir}, nil | ||
| } | ||
|
|
||
| // DotNetProgramFromDir recreates the Go program from a Dir() result of a | ||
| // BuildDotNetProgram(). | ||
| func DotNetProgramFromDir(dir string) (*DotNetProgram, error) { | ||
| // Quick sanity check on the presence of program.csproj | ||
| if _, err := os.Stat(filepath.Join(dir, "program.csproj")); err != nil { | ||
| return nil, fmt.Errorf("failed finding program.csproj in dir: %w", err) | ||
| } | ||
| return &DotNetProgram{dir}, nil | ||
| } | ||
|
|
||
| // Dir is the directory to run in. | ||
| func (d *DotNetProgram) Dir() string { return d.dir } | ||
|
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| // NewCommand makes a new command for the given args. | ||
| func (d *DotNetProgram) NewCommand(ctx context.Context, args ...string) (*exec.Cmd, error) { | ||
| exe := "./build/program" | ||
| if runtime.GOOS == "windows" { | ||
| exe += ".exe" | ||
| } | ||
| cmd := exec.CommandContext(ctx, exe, args...) | ||
| cmd.Dir = d.dir | ||
| cmd.Stdin, cmd.Stdout, cmd.Stderr = os.Stdin, os.Stdout, os.Stderr | ||
| return cmd, nil | ||
| } |
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