Update tools for new IO. (#43)

tools/git.toit

@@ -2,7 +2,7 @@
 // Use of this from code is governed by an MIT-style license that can be
 // found in the LICENSE_MIT file.
 
-import bytes
+import io
 import host.pipe
 import monitor
 import cli show Ui
@@ -181,8 +181,8 @@ class Git:
     return run_ args --description="Git command"
 
   run_ args/List --description -> string:
-    output := bytes.Buffer
-    stdout := bytes.Buffer
+    output := io.Buffer
+    stdout := io.Buffer
     fork_data := pipe.fork
         --environment=git_env_
         true                // use_path

tools/package.lock

@@ -1,4 +1,4 @@
-sdk: ^2.0.0-alpha.79
+sdk: ^2.0.0-alpha.144
 prefixes:
   certificate_roots: toit-cert-roots
   cli: pkg-cli
@@ -8,20 +8,30 @@ packages:
   pkg-cli:
     url: github.com/toitlang/pkg-cli
     name: cli
-    version: 1.2.0
-    hash: 0e2adab3ab434c597be60438ccf64008f703ad9c
+    version: 1.8.0
+    hash: 73c8aabb60a6f5f304566a1e781d7b025aa17e9b
+    prefixes:
+      fs: pkg-fs
+      host: pkg-host
+  pkg-fs:
+    url: github.com/toitlang/pkg-fs
+    name: fs
+    version: 2.2.0
+    hash: 863280c5c62ac259d16d0d3b24df21209b461b14
+    prefixes:
+      host: pkg-host
   pkg-host:
     url: github.com/toitlang/pkg-host
     name: host
-    version: 1.9.0
-    hash: 76e4dc5328a5c3739e97f65ed196d05058071359
+    version: 1.15.1
+    hash: ff187c2c19d695e66c3dc1d9c09b4dc6bec09088
   pkg-http:
     url: github.com/toitlang/pkg-http
     name: http
-    version: 2.3.0
-    hash: 05ce2065a75813138d2c4ca1bab03e7a6f0541a2
+    version: 2.7.0
+    hash: ba6a3c73462aa8a3baae47881e9b2349725c22c3
   toit-cert-roots:
     url: github.com/toitware/toit-cert-roots
     name: certificate_roots
-    version: 1.5.0
-    hash: 27a9f9ff3d337b6128e98e220126e3cc275bcd73
+    version: 1.6.1
+    hash: 55d3be82ed53d8d332338b2de931865cf69fe48b

tools/package.yaml

@@ -1,13 +1,13 @@
 dependencies:
   certificate_roots:
     url: github.com/toitware/toit-cert-roots
-    version: ^1.5.0
+    version: ^1.6.1
   cli:
     url: github.com/toitlang/pkg-cli
-    version: ^1.2.0
+    version: ^1.8.0
   host:
     url: github.com/toitlang/pkg-host
-    version: ^1.9.0
+    version: ^1.15.1
   http:
     url: github.com/toitlang/pkg-http
-    version: ^2.3.0
+    version: ^2.7.0

tools/utils.toit

@@ -6,7 +6,6 @@ import host.directory
 import host.file
 import host.os
 import host.pipe
-import writer
 import system show platform PLATFORM_WINDOWS
 
 with_tmp_directory [block]:
@@ -20,8 +19,7 @@ copy_file --from/string --to/string:
   in_stream := file.Stream.for_read from
   out_stream := file.Stream.for_write to
   try:
-    writer := writer.Writer out_stream
-    writer.write_from in_stream
+    out_stream.out.write_from in_stream.in
     // TODO(florian): we would like to close the writer here, but then
     // we would get an "already closed" below.
   finally: