CharlesB2 · June 21, 2019 13:34 · Jun 21, 2019
diff --git a/clion b/clion
@@ -0,0 +1,110 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+import socket
+import struct
+import sys
+import os
+import time
+
+# see com.intellij.idea.SocketLock for the server side of this interface
+
+RUN_PATH = u'/home/charles/bin/clion-2018.2/bin/clion.sh'
+CONFIG_PATH = u'/home/charles/.CLion2018.2/config'
+SYSTEM_PATH = u'/home/charles/.CLion2018.2/system'
+
+
+def print_usage(cmd):
+    print(('Usage:\n' +
+           '  {0} -h | -? | --help\n' +
+           '  {0} [project_dir]\n' +
+           '  {0} [-l|--line line] [project_dir|--temp-project] file[:line]\n' +
+           '  {0} diff <left> <right>\n' +
+           '  {0} merge <local> <remote> [base] <merged>').format(cmd))
+
+
+def process_args(argv):
+    args = []
+
+    skip_next = False
+    for i, arg in enumerate(argv[1:]):
+        if arg == '-h' or arg == '-?' or arg == '--help':
+            print_usage(argv[0])
+            exit(0)
+        elif i == 0 and (arg == 'diff' or arg == 'merge' or arg == '--temp-project'):
+            args.append(arg)
+        elif arg == '-l' or arg == '--line':
+            args.append(arg)
+            skip_next = True
+        elif skip_next:
+            args.append(arg)
+            skip_next = False
+        else:
+            path = arg
+            if ':' in arg:
+                file_path, line_number = arg.rsplit(':', 1)
+                if line_number.isdigit():
+                    args.append('-l')
+                    args.append(line_number)
+                    path = file_path
+            args.append(os.path.abspath(path))
+
+    return args
+
+
+def try_activate_instance(args):
+    port_path = os.path.join(CONFIG_PATH, 'port')
+    token_path = os.path.join(SYSTEM_PATH, 'token')
+    if not (os.path.exists(port_path) and os.path.exists(token_path)):
+        return False
+
+    try:
+        with open(port_path) as pf:
+            port = int(pf.read())
+        with open(token_path) as tf:
+            token = tf.read()
+    except (ValueError):
+        return False
+
+    s = socket.socket()
+    s.settimeout(0.3)
+    try:
+        s.connect(('127.0.0.1', port))
+    except (socket.error, IOError):
+        return False
+
+    found = False
+    while True:
+        try:
+            path_len = struct.unpack('>h', s.recv(2))[0]
+            path = s.recv(path_len).decode('utf-8')
+            if os.path.abspath(path) == os.path.abspath(CONFIG_PATH):
+                found = True
+                break
+        except (socket.error, IOError):
+            return False
+
+    if found:
+        cmd = 'activate ' + token + '\0' + os.getcwd() + '\0' + '\0'.join(args)
+        if sys.version_info.major >= 3: cmd = cmd.encode('utf-8')
+        encoded = struct.pack('>h', len(cmd)) + cmd
+        s.send(encoded)
+        time.sleep(0.5)  # don't close the socket immediately
+        return True
+
+    return False
+
+
+def start_new_instance(args):
+    if sys.platform == 'darwin':
+        if len(args) > 0:
+            args.insert(0, '--args')
+        os.execvp('/usr/bin/open', ['-a', RUN_PATH] + args)
+    else:
+        bin_file = os.path.split(RUN_PATH)[1]
+        os.execv(RUN_PATH, [bin_file] + args)
+
+
+ide_args = process_args(sys.argv)
+if not try_activate_instance(ide_args):
+    start_new_instance(ide_args)
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