From f34afe9802e1b68e53a2e1084e16d9ec5693c05b Mon Sep 17 00:00:00 2001
From: Zac Medico <zmedico@gentoo.org>
Date: Mon, 25 Jun 2007 02:07:11 +0000
Subject: Clean up file_get() to use shlex, varexpand, and spawn.

svn path=/main/trunk/; revision=7014
---
 pym/portage/getbinpkg.py | 35 +++++++++++++----------------------
 1 file changed, 13 insertions(+), 22 deletions(-)

(limited to 'pym')

diff --git a/pym/portage/getbinpkg.py b/pym/portage/getbinpkg.py
index 808eb64f9..f1131c2d6 100644
--- a/pym/portage/getbinpkg.py
+++ b/pym/portage/getbinpkg.py
@@ -366,28 +366,19 @@ def file_get(baseurl,dest,conn=None,fcmd=None):
 	if not fcmd:
 		return file_get_lib(baseurl,dest,conn)
 
-	fcmd = fcmd.replace("${DISTDIR}",dest)
-	fcmd = fcmd.replace("${URI}", baseurl)
-	fcmd = fcmd.replace("${FILE}", os.path.basename(baseurl))
-	mysplit = fcmd.split()
-	mycmd   = mysplit[0]
-	myargs  = [os.path.basename(mycmd)]+mysplit[1:]
-	mypid=os.fork()
-	if mypid == 0:
-		try:
-			os.execv(mycmd,myargs)
-		except OSError:
-			pass
-		sys.stderr.write("!!! Failed to spawn fetcher.\n")
-		sys.stderr.flush()
-		os._exit(1)
-	retval=os.waitpid(mypid,0)[1]
-	if (retval & 0xff) == 0:
-		retval = retval >> 8
-	else:
-		sys.stderr.write("Spawned processes caught a signal.\n")
-		sys.exit(1)
-	if retval != 0:
+	variables = {
+		"DISTDIR": dest,
+		"URI":     baseurl,
+		"FILE":    os.path.basename(baseurl)
+	}
+	import shlex, StringIO
+	from portage.util import varexpand
+	from portage.process import spawn
+	lexer = shlex.shlex(StringIO.StringIO(fcmd), posix=True)
+	lexer.whitespace_split = True
+	myfetch = [varexpand(x, mydict=variables) for x in lexer]
+	retval = spawn(myfetch, env=os.environ.copy())
+	if retval != os.EX_OK:
 		sys.stderr.write("Fetcher exited with a failure condition.\n")
 		return 0
 	return 1
-- 
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