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As a further experiment, switch to using writefs, which is copied by hand into this repo as an internal command. There is no speed advantage to using it, rather it is a usability and readability win. Kicking the tyres with it more in this repo will help to see whether the pattern works or not. Signed-off-by: Paul Jolly <[email protected]> Change-Id: Ia9203e2138ad74947ba49614df3298d84b7aa860 Dispatch-Trailer: {"type":"trybot","CL":1170145,"patchset":6,"ref":"refs/changes/45/1170145/6","targetBranch":"alpha"}
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| // Copyright 2023 The CUE Authors | ||
| // | ||
| // 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. | ||
|
|
||
| package ci | ||
|
|
||
| import ( | ||
| "encoding/yaml" | ||
| "strings" | ||
|
|
||
| "github.com/cue-lang/cuelang.org/internal/ci/base" | ||
| "github.com/cue-lang/cuelang.org/internal/ci/repo" | ||
| "github.com/cue-lang/cuelang.org/internal/ci/github" | ||
| _netlify "github.com/cue-lang/cuelang.org/internal/ci/netlify" | ||
| ) | ||
|
|
||
| // #writefs mirrors the type of the arguments expected by | ||
| // internal/cmd/writefs | ||
| #writefs: { | ||
| Remove: [...string] | ||
| Create: [string]: { | ||
| Type: "symlink" | *"file" | ||
| Contents: *"" | string | ||
| } | ||
| } | ||
|
|
||
| fs: #writefs & { | ||
| Remove: [ | ||
| "../../.github/workflows/*.yml", | ||
| ] | ||
|
|
||
| Create: { | ||
| [_]: { | ||
| // TODO: do not hardcode this to ci_tool | ||
| let donotedit = base.doNotEditMessage & {#generatedBy: "internal/ci/ci_tool.cue", _} | ||
| _res: string | ||
| Contents: "# \(donotedit)\n\n\(strings.TrimSpace(_res))\n" | ||
| } | ||
| for _name, _workflow in github.workflows { | ||
| "../../.github/workflows/\(_name).yml": { | ||
| _res: yaml.Marshal(_workflow) | ||
| } | ||
| } | ||
| "../../codereview.cfg": { | ||
| _res: base.toCodeReviewCfg & {#input: repo.codeReview, _} | ||
| } | ||
| "../../netlify.toml": { | ||
| _res: _netlify.#toToml & {#input: _netlify.config, _} | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,89 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "encoding/json" | ||
| "log" | ||
| "os" | ||
| "path/filepath" | ||
| ) | ||
|
|
||
| type file struct { | ||
| Type string | ||
|
|
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| // If typ == "symlink" this is the filepath of the target | ||
| // otherwise it is the Contents of the file | ||
| Contents string | ||
| } | ||
|
|
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| type args struct { | ||
| // Remove is a list of globs of files to remove. File | ||
| // removal happens before file creation. | ||
| Remove []string | ||
|
|
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| // Create is a map of file path (in Unix format) to contents. | ||
| Create map[string]file | ||
| } | ||
|
|
||
| func main() { | ||
| var todo args | ||
| dec := json.NewDecoder(os.Stdin) | ||
| if err := dec.Decode(&todo); err != nil { | ||
| log.Fatalf("failed to decode arguments from stdin: %v", err) | ||
| } | ||
| for _, glob := range todo.Remove { | ||
| files, err := filepath.Glob(glob) | ||
| if err != nil { | ||
| log.Fatalf("failed to glob %q: %v", glob, err) | ||
| } | ||
| if len(files) == 0 { | ||
| continue | ||
| } | ||
| for _, f := range files { | ||
| if err := os.Remove(f); err != nil { | ||
| log.Fatalf("failed to remove %s: %v", f, err) | ||
| } | ||
| } | ||
| } | ||
| for fp, f := range todo.Create { | ||
| fp = filepath.FromSlash(fp) | ||
| dir := filepath.Dir(fp) | ||
| if err := os.MkdirAll(dir, 0o777); err != nil { | ||
| log.Fatalf("failed to mkdir %s: %v", dir, err) | ||
| } | ||
| switch f.Type { | ||
| case "symlink": | ||
| target := filepath.FromSlash(f.Contents) | ||
| actualTarget, err := os.Readlink(fp) | ||
| if err == nil && actualTarget == target { | ||
| continue | ||
| } | ||
| if err := os.Symlink(target, fp); err != nil { | ||
| log.Fatalf("failed to symlink %s -> %s: %v", fp, target, err) | ||
| } | ||
| case "file": | ||
| // If we have a .json file, normalise the contents first | ||
| // as a special case. | ||
| // | ||
| // TODO: this actually belongs as an option in CUE. | ||
| contents := []byte(f.Contents) | ||
| if filepath.Ext(fp) == ".json" { | ||
| var i any | ||
| err := json.Unmarshal(contents, &i) | ||
| if err == nil { | ||
| var b bytes.Buffer | ||
| enc := json.NewEncoder(&b) | ||
| enc.SetEscapeHTML(false) | ||
| enc.SetIndent("", " ") | ||
| if err := enc.Encode(i); err == nil { | ||
| // Add a trailing newline | ||
| contents = b.Bytes() | ||
| } | ||
| } | ||
| } | ||
| if err := os.WriteFile(fp, []byte(contents), 0o666); err != nil { | ||
| log.Fatalf("failed to write file %s: %v", fp, err) | ||
| } | ||
| } | ||
| } | ||
| } |
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