From 4b0b7c02e6d2b05c699825bc1391c835feb9fc7e Mon Sep 17 00:00:00 2001
From: Ryan Dahl <ry@tinyclouds.org>
Date: Wed, 5 Sep 2018 23:42:41 -0400
Subject: [PATCH] init

---
 README.md       |  8 +++++
 install.py      | 91 +++++++++++++++++++++++++++++++++++++++++++++++++
 install_test.py | 35 +++++++++++++++++++
 3 files changed, 134 insertions(+)
 create mode 100644 README.md
 create mode 100755 install.py
 create mode 100755 install_test.py

diff --git a/README.md b/README.md
new file mode 100644
index 0000000..f5a66a6
--- /dev/null
+++ b/README.md
@@ -0,0 +1,8 @@
+# Deno Binary Installer
+
+Downloads the latest Deno binary into $HOME/.deno/bin
+
+Usage:
+```
+curl -sSf https://raw.githubusercontent.com/denoland/deno_install/master/install.py | python
+```
diff --git a/install.py b/install.py
new file mode 100755
index 0000000..81036d1
--- /dev/null
+++ b/install.py
@@ -0,0 +1,91 @@
+#!/usr/bin/env python
+# Copyright 2018 the Deno authors. All rights reserved. MIT license.
+from __future__ import print_function
+
+import io
+import json
+import os
+import re
+import shutil
+import sys
+import tempfile
+import zipfile
+import zlib
+
+try:
+    from urllib.request import urlopen
+except ImportError:
+    from urllib2 import urlopen
+
+RELEASES_URL = "https://github.com/denoland/deno/releases/latest"
+FILENAME_LOOKUP = {
+    "darwin": "deno_osx_x64.gz",
+    "linux": "deno_linux_x64.gz",  # python3
+    "linux2": "deno_linux_x64.gz",  # python2
+    "win32": "deno_win_x64.zip",
+    "cygwin": "deno_win_x64.zip"
+}
+
+
+def release_url(platform):
+    try:
+        filename = FILENAME_LOOKUP[platform]
+    except KeyError:
+        print("Unable to locate appropriate filename for", platform)
+        sys.exit(1)
+
+    html = urlopen(RELEASES_URL).read().decode('utf-8')
+    urls = re.findall(r'href=[\'"]?([^\'" >]+)', html)
+    matching = [u for u in urls if filename in u]
+
+    if len(matching) != 1:
+        print("Unable to find download url for", filename)
+        sys.exit(1)
+
+    return "https://github.com" + matching[0]
+
+
+def main():
+    bin_dir = deno_bin_dir()
+    exe_fn = os.path.join(bin_dir, "deno")
+
+    url = release_url(sys.platform)
+    print("Downloading", url)
+    compressed = urlopen(url).read()
+
+    if url.endswith(".zip"):
+        with zipfile.ZipFile(io.BytesIO(compressed), 'r') as z:
+            with open(exe_fn, 'wb+') as exe:
+                exe.write(z.read('deno.exe'))
+    else:
+        # Note: gzip.decompress is not available in python2.
+        content = zlib.decompress(compressed, 15 + 32)
+        with open(exe_fn, 'wb+') as exe:
+            exe.write(content)
+    os.chmod(exe_fn, 0o744)
+
+    print("DENO_EXE: " + exe_fn)
+    print("Now manually add %s to your $PATH" % bin_dir)
+    print("Example:")
+    print()
+    print("  echo export PATH=\"%s\":\\$PATH >> $HOME/.bash_profile" % bin_dir)
+    print()
+
+
+def mkdir(d):
+    if not os.path.exists(d):
+        print("mkdir", d)
+        os.mkdir(d)
+
+
+def deno_bin_dir():
+    home = os.path.expanduser("~")
+    deno = os.path.join(home, ".deno")
+    mkdir(deno)
+    deno_bin = os.path.join(deno, "bin")
+    mkdir(deno_bin)
+    return deno_bin
+
+
+if __name__ == '__main__':
+    main()
diff --git a/install_test.py b/install_test.py
new file mode 100755
index 0000000..0e1f482
--- /dev/null
+++ b/install_test.py
@@ -0,0 +1,35 @@
+#!/usr/bin/env python
+# Copyright 2018 the Deno authors. All rights reserved. MIT license.
+import sys
+import shutil
+import os
+import subprocess
+
+this_dir = os.path.dirname(os.path.realpath(__file__))
+
+
+def main():
+    os.chdir(this_dir)
+    PATTERN = "DENO_EXE: "
+    home = os.path.expanduser("~")
+    expected_bin_dir = os.path.join(home, ".deno", "bin")
+    print "Testing install.py ... Expect deno installed to ", expected_bin_dir
+    if os.path.exists(expected_bin_dir):
+        shutil.rmtree(expected_bin_dir)
+    expected_fn = os.path.join(expected_bin_dir, "deno")
+
+    cmd = [sys.executable, "install.py"]
+    out = subprocess.check_output(cmd, universal_newlines=True)
+    actual_fn = None
+    for line in out.splitlines():
+        print line
+        if PATTERN in line:
+            print "set actual"
+            actual_fn = line[len(PATTERN):]
+    assert actual_fn == expected_fn, "actual %s != expected %s" % (actual_fn,
+                                                                   expected_fn)
+    assert os.path.exists(actual_fn)
+
+
+if __name__ == '__main__':
+    main()