feat(deno): Fetch version from git in local context

bids-validator/src/setup/options.ts

@@ -20,7 +20,7 @@ export const validateCommand = new Command()
  'This tool checks if a dataset in a given directory is compatible with the Brain Imaging Data Structure specification. To learn more about Brain Imaging Data Structure visit http:https://bids.neuroimaging.io',
  )
  .arguments('<dataset_directory>')
- .version(getVersion())
+ .version(await getVersion())
  .option('--json', 'Output machine readable JSON')
  .option(
  '-s, --schema <type:string>',

bids-validator/src/version.ts

@@ -1,7 +1,9 @@
-export function getVersion(): string {
+export async function getVersion(): string {
  const url = import.meta.url
  if (url.startsWith('file:https://')) {
- return 'local'
+ // Get parent directory of current file, without file:/
+ const parent = url.slice(7).split('/').slice(0, -1).join('/')
+ return await getLocalVersion(parent)
  } else if (url.startsWith('https://deno.land/x/')) {
  // Retrieve version X from https://deno.land/x/bids-validator@X/version.ts
  return url.split('@')[1].split('/')[0]
@@ -11,3 +13,14 @@ export function getVersion(): string {
  }
  return url
 }
+
+export async function getLocalVersion(path: string): string {
+ const p = Deno.run({
+ cmd: ['git', 'describe', '--tags', '--always'],
+ stdout: 'piped',
+ stderr: 'piped',
+ cwd: path,
+ })
+ const description = new TextDecoder().decode(await p.output()).trim()
+ return description
+}