updates

kernel/bin/uname

@@ -0,0 +1,37 @@
+/** Shared helpers for drive-resident /bin scripts (prepended before each command). */
+function bareStdin(ctx) {
+  return typeof ctx.shellStdin === 'string' ? ctx.shellStdin : ''
+}
+
+async function run(ctx, argv) {
+  const flagArgs = argv.slice(1).filter((a) => a.startsWith('-') && a !== '--')
+  const all = argv.includes('-a')
+  const noFlag = flagArgs.length === 0
+  const wantS = all || argv.includes('-s') || noFlag
+  const wantN = all || argv.includes('-n')
+  const wantR = all || argv.includes('-r')
+  const wantM = all || argv.includes('-m')
+  const wantV = all || argv.includes('-v')
+
+  let name = 'BareOS'
+  let version = '0.1'
+  const buf = await ctx.vfs.readFile('/etc/os-release')
+  if (buf) {
+    const t = ctx.b4a.toString(buf)
+    for (const line of t.split('\n')) {
+      const id = line.match(/^NAME=(.*)$/)
+      if (id) name = id[1].replace(/^"|"$/g, '')
+      const ver = line.match(/^VERSION=(.*)$/)
+      if (ver) version = ver[1].replace(/^"|"$/g, '')
+    }
+  }
+
+  const parts = []
+  if (wantS) parts.push(name)
+  if (wantN) parts.push('bare-os')
+  if (wantR) parts.push(version)
+  if (wantV) parts.push('bare-userland')
+  if (wantM) parts.push('unknown')
+
+  ctx.console.log(parts.join(' '))
+}