Fix terminfo file not being used on OS X

On OS X tic has a different directory layout than on linux. Sigh.

build-terminfo

@@ -2,6 +2,8 @@
 
 import os
 import sys
+import shutil
+import subprocess
 
 base = os.path.dirname(os.path.abspath(__file__))
 os.chdir(base)
@@ -13,4 +15,10 @@ with open('terminfo/kitty.terminfo', 'w') as f:
     f.write(generate_terminfo())
 
 os.environ['TERMINFO'] = os.path.join(base, 'terminfo')
-os.execvp('tic', 'tic terminfo/kitty.terminfo'.split())
+subprocess.check_call(['tic', 'terminfo/kitty.terminfo'])
+# On OS X tic puts the compiled database into a different directory
+try:
+    os.mkdir('terminfo/78')
+except FileExistsError:
+    pass
+shutil.copy2('terminfo/x/xterm-kitty', 'terminfo/78')

setup.py

@@ -217,15 +217,16 @@ def safe_makedirs(path):
 def package(args):  # {{{
     ddir = args.prefix
     libdir = os.path.join(ddir, 'lib', 'kitty')
-    terminfo_dir = os.path.join(ddir, 'share/terminfo/x')
+    terminfo_sdir = ('78' if isosx else 'x')
+    terminfo_dir = os.path.join(ddir, 'share/terminfo/' + terminfo_sdir)
     if os.path.exists(libdir):
         shutil.rmtree(libdir)
-    os.makedirs(os.path.join(libdir, 'terminfo/x'))
+    os.makedirs(os.path.join(libdir, 'terminfo/' + terminfo_sdir))
     os.makedirs(os.path.join(libdir, 'logo'))
     safe_makedirs(terminfo_dir)
     shutil.copy2('__main__.py', libdir)
     shutil.copy2('terminfo/x/xterm-kitty', terminfo_dir)
-    shutil.copy2('terminfo/x/xterm-kitty', os.path.join(libdir, 'terminfo/x'))
+    shutil.copy2('terminfo/x/xterm-kitty', os.path.join(libdir, 'terminfo/' + terminfo_sdir))
     shutil.copy2('logo/kitty.rgba', os.path.join(libdir, 'logo'))
 
     def src_ignore(parent, entries):