[PATCH 5/6] methodstr cleanups.

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Don't use /mnt/source2 anymore.  /mnt/isodir is for image installs to mount
whatever contains the images, and /mnt/source is always the source mount
point.  Also don't use methodstr where we don't have to.
---
 anaconda             |    4 ++--
 image.py             |   30 ++++++++++++++++--------------
 installclass.py      |    2 +-
 installmethod.py     |    2 +-
 loader2/nfsinstall.c |   42 +++++++++++++++++++++++++++++-------------
 yuminstall.py        |   35 +++++++++++++++++++----------------
 6 files changed, 68 insertions(+), 47 deletions(-)

diff --git a/anaconda b/anaconda
index 0e8f7b3..539bffc 100755
--- a/anaconda
+++ b/anaconda
@@ -507,7 +507,7 @@ class Anaconda:
         self.intf = InstallInterface()
 
     def setBackend(self, instClass):
-        b = instClass.getBackend(self.methodstr)
+        b = instClass.getBackend()
         self.backend = apply(b, (self.rootPath,))
 
     def setMethodstr(self, methodstr):
@@ -519,7 +519,7 @@ class Anaconda:
         if methodstr.startswith("nfs://"):
             self.methodstr = "file:///" + methodstr[6:]
         elif methodstr.startswith("nfsiso:/"):
-            self.methodstr = "file:///mnt/source2"
+            self.methodstr = "file://" + methodstr[8:]
         elif methodstr.startswith("cdrom://"):
             (device, tree) = string.split(methodstr[8:], ":", 1)
 
diff --git a/image.py b/image.py
index ebdbd53..a5d934c 100644
--- a/image.py
+++ b/image.py
@@ -11,7 +11,7 @@
 # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 #
 import isys
-import os, stat, string, sys
+import os, os.path, stat, string, sys
 from constants import *
 
 import rhpl
@@ -120,8 +120,8 @@ def getMediaId(path):
         return None
 
 # This mounts the directory containing the iso images, and places the
-# mount point in /tmp/isodir.
-def mountDirectory(methodstr, messageWindow):
+# mount point in isodir.
+def mountDirectory(isodir, methodstr, messageWindow):
     if methodstr.startswith("hd://"):
         method = methodstr[5:]
         (device, fstype, path) = method.split(":", 3)
@@ -129,7 +129,7 @@ def mountDirectory(methodstr, messageWindow):
     else:
         return
 
-    # First check to see if /tmp/isodir is mounted.
+    # First check to see if isodir is mounted.
     f = open("/proc/mounts", "r")
     lines = f.readlines()
     f.close()
@@ -141,7 +141,7 @@ def mountDirectory(methodstr, messageWindow):
             return
 
     try:
-        isys.mount(device, "/tmp/isodir", fstype = fstype)
+        isys.mount(device, isodir, fstype = fstype)
     except SystemError, msg:
         log.error("couldn't mount ISO source directory: %s" % msg)
         messageWindow(_("Couldn't Mount ISO Source"),
@@ -155,16 +155,16 @@ def mountDirectory(methodstr, messageWindow):
                       custom_buttons=[_("_Exit")])
         sys.exit(0)
 
-def mountImage(tree, discnum, currentMedia, messageWindow, discImages={}):
-    if currentMedia:
+def mountImage(isodir, tree, discnum, messageWindow, discImages={}):
+    if os.path.ismount(tree):
         raise SystemError, "trying to mount already-mounted iso image!"
 
     if discImages == {}:
-        discImages = findIsoImages("/mnt/source", messageWindow)
+        discImages = findIsoImages(isodir, messageWindow)
 
     while True:
         try:
-            isoImage = "/mnt/source/%s" % (discImages[discnum])
+            isoImage = "%s/%s" % (isodir, discImages[discnum])
             isys.losetup("/dev/loop1", isoImage, readOnly = 1)
             isys.mount("/dev/loop1", tree, fstype = 'iso9660', readOnly = 1);
             break
@@ -182,7 +182,9 @@ def mountImage(tree, discnum, currentMedia, messageWindow, discImages={}):
             if ans == 0:
                 sys.exit(0)
             elif ans == 1:
-                discImages = findIsoImages("/mnt/source", messageWindow)
+                discImages = findIsoImages(isodir, messageWindow)
+
+    return discImages
 
 # given groupset containing information about selected packages, use
 # the disc number info in the headers to come up with message describing
@@ -248,13 +250,13 @@ def umountImage(tree, currentMedia):
         isys.umount(tree, removeDir=0)
         isys.unlosetup("/dev/loop1")
 
-def unmountCD(tree, messageWindow):
-    if not tree:
+def unmountCD(path, messageWindow):
+    if not path:
         return
 
     while True:
         try:
-            isys.umount(tree, removeDir=0)
+            isys.umount(path, removeDir=0)
             break
         except Exception, e:
             log.error("exception in _unmountCD: %s" %(e,))
@@ -263,7 +265,7 @@ def unmountCD(tree, messageWindow):
                             "Please make sure you're not accessing "
                             "%s from the shell on tty2 "
                             "and then click OK to retry.")
-                          % (tree,))
+                          % (path,))
 
 def verifyMedia(tree, discnum, timestamp):
     if os.access("%s/.discinfo" % tree, os.R_OK):
diff --git a/installclass.py b/installclass.py
index 74036c5..7efd6b9 100644
--- a/installclass.py
+++ b/installclass.py
@@ -412,7 +412,7 @@ class BaseInstallClass(object):
         mouse.set(mouseName, emulThree, device)
         id.setMouse(mouse)
 
-    def getBackend(self, methodstr):
+    def getBackend(self):
         # this should be overriden in distro install classes
         from backend import AnacondaBackend
         return AnacondaBackend
diff --git a/installmethod.py b/installmethod.py
index c5ea871..f47e6fa 100644
--- a/installmethod.py
+++ b/installmethod.py
@@ -25,7 +25,7 @@ def doMethodComplete(anaconda):
     except Exception:
         pass
 
-    if anaconda.methodstr.startswith("cdrom://"):
+    if anaconda.mediaDevice:
         try:
             shutil.copyfile("%s/media.repo" % anaconda.backend.ayum.tree,
                             "%s/etc/yum.repos.d/%s-install-media.repo" %(anaconda.rootPath, productName))
diff --git a/loader2/nfsinstall.c b/loader2/nfsinstall.c
index a3cce72..829e824 100644
--- a/loader2/nfsinstall.c
+++ b/loader2/nfsinstall.c
@@ -6,7 +6,7 @@
  * Michael Fulbright <msf@xxxxxxxxxx>
  * Jeremy Katz <katzj@xxxxxxxxxx>
  *
- * Copyright 1997 - 2002 Red Hat, Inc.
+ * Copyright 1997 - 2007 Red Hat, Inc.
  *
  * This software may be freely redistributed under the terms of the GNU
  * General Public License.
@@ -115,7 +115,7 @@ char * mountNfsImage(struct installMethod * method,
             } else if (nfsGetSetup(&host, &directory) == LOADER_BACK) {
                 return NULL;
             }
-             
+
             stage = NFS_STAGE_MOUNT;
             dir = 1;
             break;
@@ -148,7 +148,7 @@ char * mountNfsImage(struct installMethod * method,
 
             stage = NFS_STAGE_NFS;
 
-            if (!doPwMount(fullPath, "/mnt/source", "nfs", 
+            if (!doPwMount(fullPath, "/mnt/source", "nfs",
                            IMOUNT_RDONLY, mountOpts)) {
                 if (!access("/mnt/source/images/stage2.img", R_OK)) {
                     logMessage(INFO, "can access /mnt/source/images/stage2.img");
@@ -172,19 +172,36 @@ char * mountNfsImage(struct installMethod * method,
                         }
                     } else {
                         stage = NFS_STAGE_DONE;
-                        url = "nfs://mnt/source/.";
+                        url = "nfs://mnt/source";
                         break;
                     }
                 } else {
                     logMessage(WARNING, "unable to access /mnt/source/images/stage2.img");
                 }
 
-                if ((path = validIsoImages("/mnt/source", &foundinvalid))) {
+                /* If we get here, it wasn't a regular NFS method but it may
+                 * still be NFSISO.  Remount on the isodir mountpoint and try
+                 * again.
+                 */
+                umount("/mnt/source");
+                if (!doPwMount(fullPath, "/mnt/isodir", "nfs", IMOUNT_RDONLY,
+                               mountOpts)) {
+                } else {
+                    newtWinMessage(_("Error"), _("OK"),
+                                   _("That directory could not be mounted from "
+                                     "the server."));
+                    if (loaderData->method >= 0) {
+                        loaderData->method = -1;
+                    }
+                    break;
+                }
+
+                if ((path = validIsoImages("/mnt/isodir", &foundinvalid))) {
 		    foundinvalid = 0;
 		    logMessage(INFO, "Path to valid iso is %s", path);
-                    copyUpdatesImg("/mnt/source/updates.img");
+                    copyUpdatesImg("/mnt/isodir/updates.img");
 
-                    if (mountLoopback(path, "/mnt/source2", "loop1")) 
+                    if (mountLoopback(path, "/mnt/source", "loop1")) 
                         logMessage(WARNING, "failed to mount iso %s loopback", path);
                     else {
                         /* try to see if we're booted off of a CD with stage2 */
@@ -197,17 +214,17 @@ char * mountNfsImage(struct installMethod * method,
                             newtPopWindow();
                             rc = 0;
                         } else {
-                            rc = mountStage2("/mnt/source2/images/stage2.img");
+                            rc = mountStage2("/mnt/source/images/stage2.img");
                         }
                         if (rc) {
-                            umountLoopback("/mnt/source2", "loop1");
+                            umountLoopback("/mnt/source", "loop1");
                             if (rc == -1)
 				foundinvalid = 1;
                         } else {
                             /* JKFIXME: hack because /mnt/source is hard-coded
                              * in mountStage2() */
-                            copyUpdatesImg("/mnt/source2/images/updates.img");
-                            copyProductImg("/mnt/source2/images/product.img");
+                            copyUpdatesImg("/mnt/source/images/updates.img");
+                            copyProductImg("/mnt/source/images/product.img");
 
                             queryIsoMediaCheck(path);
 
@@ -220,7 +237,7 @@ char * mountNfsImage(struct installMethod * method,
 
 		/* if we fell through to here we did not find a valid NFS */
 		/* source for installation.                               */
-		umount("/mnt/source");
+		umount("/mnt/isodir");
                 if (foundinvalid) 
                     rc = asprintf(&buf, _("The %s installation tree in that "
                                      "directory does not seem to match "
@@ -235,7 +252,6 @@ char * mountNfsImage(struct installMethod * method,
                     loaderData->method = -1;
                 }
 
-		
                 break;
             } else {
                 newtWinMessage(_("Error"), _("OK"),
diff --git a/yuminstall.py b/yuminstall.py
index 5b2375f..75dc76a 100644
--- a/yuminstall.py
+++ b/yuminstall.py
@@ -259,7 +259,6 @@ class AnacondaYum(YumSorter):
     def __init__(self, anaconda):
         YumSorter.__init__(self)
         self.anaconda = anaconda
-        self.methodstr = anaconda.methodstr
         self._loopbackFile = None
 
         # The loader mounts the first disc for us, so don't remount it.
@@ -269,11 +268,16 @@ class AnacondaYum(YumSorter):
         # Only needed for hard drive and nfsiso installs.
         self._discImages = {}
 
-        # Where is the source media mounted?
-        if self.methodstr.find("source2") != -1:
-            self.tree = "/mnt/source2"
+        # Where is the source media mounted?  isodir only matters if we are
+        # doing NFS or HD image installs, and points to the directory where
+        # the ISO images themselves may be found.  tree always points to the
+        # directory where Packages/ is located.
+        self.tree = "/mnt/source"
+
+        if os.path.ismount("/mnt/isodir"):
+            self.isodir = "/mnt/isodir"
         else:
-            self.tree = "/mnt/source"
+            self.isodir = None
 
         self.doConfigSetup(root=anaconda.rootPath)
         self.conf.installonlypkgs = []
@@ -351,20 +355,19 @@ class AnacondaYum(YumSorter):
                      (self.currentMedia, discnum, relative))
 
             # Unmount any currently mounted ISO images and mount the one
-            # containing the requested packages.  If this is the first time
-            # through, /mnt/source is not going to be mounted yet so we first
-            # need to do that.
-            if self.tree.find("source2") != -1:
+            # containing the requested packages.
+            if self.isodir:
                 umountImage(self.tree, self.currentMedia)
                 self.currentMedia = None
 
                 # mountDirectory checks before doing anything, so it's safe to
                 # call this repeatedly.
-                mountDirectory(self.methodstr, self.anaconda.intf.messageWindow)
+                mountDirectory(self.isodir, self.anaconda.methodstr,
+                               self.anaconda.intf.messageWindow)
 
-                mountImage(self.tree, discnum, self.currentMedia,
-                           self.anaconda.intf.messageWindow,
-                           discImages=self._discImages)
+                discImages = mountImage(self.isodir, self.tree, discnum,
+                                        self.anaconda.intf.messageWindow,
+                                        discImages=self._discImages)
                 self.currentMedia = discnum
             else:
                 if os.access("%s/.discinfo" % self.tree, os.R_OK):
@@ -377,9 +380,9 @@ class AnacondaYum(YumSorter):
                 if self.timestamp is None:
                     self.timestamp = timestamp
 
-                # if self.currentMedia is None, then we shouldn't have anything
+                # If self.currentMedia is None, then we shouldn't have anything
                 # mounted.  double-check by trying to unmount, but we don't want
-                # to get into a loop of trying to unmount forever.  if
+                # to get into a loop of trying to unmount forever.  If
                 # self.currentMedia is set, then it should still be mounted and
                 # we want to loop until it unmounts successfully
                 if self.currentMedia is None:
@@ -451,7 +454,7 @@ class AnacondaYum(YumSorter):
                                    root = root)
             repo.cost = 100
 
-            if self.anaconda.mediaDevice or self.anaconda.methodstr.find("source2") != -1:
+            if self.anaconda.mediaDevice or self.isodir != -1:
                 repo.mediaid = getMediaId(self.tree)
                 log.info("set mediaid of repo to: %s" % repo.mediaid)
 
-- 
1.5.3.4

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