diff options
| -rw-r--r-- | run/.envrc | 2 | ||||
| -rw-r--r-- | run/README.md | 30 | ||||
| -rw-r--r-- | run/default.nix | 16 | ||||
| -rw-r--r-- | run/main.go | 49 | ||||
| -rw-r--r-- | run/shell.nix | 7 |
5 files changed, 104 insertions, 0 deletions
diff --git a/run/.envrc b/run/.envrc new file mode 100644 index 000000000000..b80e28b4b815 --- /dev/null +++ b/run/.envrc @@ -0,0 +1,2 @@ +source_up +eval "$(lorri direnv)" diff --git a/run/README.md b/run/README.md new file mode 100644 index 000000000000..d3cccecf910c --- /dev/null +++ b/run/README.md @@ -0,0 +1,30 @@ +# run + +Simplify the commands you call to run scripts on the command line. + +```shell +> run path/to/file.py +> run path/to/file.ts +``` + +## How? + +Define a run.json configuration mapping commands to filename extensions like +so: +```json +{ + ".ts": "npx ts-node $file", + ".py": "python3 $file" +} +``` + +Then call `run path/to/some/file.ts` on the command line, and `npx ts-node +file.ts` will run. + +## Installation + +Install `run` using Nix. + +```shell +> nix-env -iA briefcase.run +``` diff --git a/run/default.nix b/run/default.nix new file mode 100644 index 000000000000..113491536ee5 --- /dev/null +++ b/run/default.nix @@ -0,0 +1,16 @@ +{ + pkgs ? import <nixpkgs> {}, + depot ? import <depot> {}, + briefcase ? import <briefcase> {}, + ... +}: + +depot.buildGo.program { + name = "run"; + srcs = [ + ./main.go + ]; + deps = with briefcase.gopkgs; [ + utils + ]; +} diff --git a/run/main.go b/run/main.go new file mode 100644 index 000000000000..04906ece91f7 --- /dev/null +++ b/run/main.go @@ -0,0 +1,49 @@ +package main + +import ( + "encoding/json" + "fmt" + "io/ioutil" + "log" + "os" + "os/exec" + "path/filepath" + "strings" + "utils" +) + +func main() { + if len(os.Args) != 2 { + log.Fatal("You can only call run with a single file at a time.") + } + + rulesPath := utils.Resolve("run.json", []string{"/home/wpcarro/.config/run/run.json"}) + b, err := ioutil.ReadFile(rulesPath) + if err != nil { + log.Fatal("Could not locate a run.json file: ", err) + } + rules := map[string]string{} + err = json.Unmarshal(b, &rules) + if err != nil { + log.Fatal("Could not decode run.json as JSON: ", err) + } + + fileName := os.Args[1] + ext := filepath.Ext(fileName) + cmd, ok := rules[ext] + + if !ok { + log.Fatalf("No rules for extension, %s, have been defined.", ext) + } + + // TODO(wpcarro): Support more sophisticated parsing than just string + // splitting. To handle 'cases like this'. + tokens := strings.Split(strings.Replace(cmd, "$file", fileName, 1), " ") + c := exec.Command(tokens[0], tokens[1:]...) + err = c.Start() + // TODO(wpcarro): Forward STDERR and STDOUT. + if err != nil { + log.Fatal(err) + } + fmt.Println(c.Wait()) +} diff --git a/run/shell.nix b/run/shell.nix new file mode 100644 index 000000000000..8b97f04ca446 --- /dev/null +++ b/run/shell.nix @@ -0,0 +1,7 @@ +{ pkgs ? import <nixpkgs> {}, ... }: + +pkgs.mkShell { + buildInputs = with pkgs; [ + go + ]; +} |