Remove local LIBGUESTFS_PATH detection from guestfish and guestmount.

Remove the hack that let you run ./fish/guestfish or
./fuse/guestmount.  You now have to do:

  ./run ./fish/guestfish
or
  ./run ./fuse/guestmount

to run these programs without installing.

README

@@ -113,16 +113,18 @@ this command as root:
 
   make install
 
-You can run the virt tools without needing to install, using the "run"
-script in the top directory.  This script sets up some environment
-variables.  For example:
+You can run guestfish, guestmount and the virt tools without needing
+to install, using the "run" script in the top directory.  This script
+sets up some environment variables.  For example:
+
+  ./run ./fish/guestfish [usual guestfish args ...]
 
   ./run ./inspector/virt-inspector [usual virt-inspector args ...]
 
-If you are already in the inspector/ subdirectory, then the following
+If you are already in the fish/ subdirectory, then the following
 command will also work:
 
-  ../run ./virt-inspector [...]
+  ../run ./guestfish [...]
 
 You can also make a symlink (note: NOT a hard link) from your $PATH to
 the run script, eg:

contrib/guestfsd-in-wine.sh

@@ -60,11 +60,7 @@ guestfsd=daemon/guestfsd.exe
 #
 # For example from the top build directory:
 #
-# LIBGUESTFS_QEMU=contrib/guestfsd-in-wine.sh fish/guestfish
-#
-# You might also need to set the environment variable LIBGUESTFS_PATH
-# to point to an appliance.  The appliance will never be used, but
-# libguestfs needs to find one.
+# LIBGUESTFS_QEMU=contrib/guestfsd-in-wine.sh ./run ./fish/guestfish
 #
 # Another suggested environment variable is LIBGUESTFS_DEBUG=1 which
 # will give you must more detail about what is going on.  Also look at

fish/fish.c

@@ -220,19 +220,6 @@ main (int argc, char *argv[])
     exit (EXIT_FAILURE);
   }
 
-  /* If developing, add ./appliance to the path.  Note that libtools
-   * interferes with this because uninstalled guestfish is a shell
-   * script that runs the real program with an absolute path.  Detect
-   * that too.
-   *
-   * BUT if LIBGUESTFS_PATH environment variable is already set by
-   * the user, then don't override it.
-   */
-  if (getenv ("LIBGUESTFS_PATH") == NULL &&
-      argv[0] &&
-      (argv[0][0] != '/' || strstr (argv[0], "/.libs/lt-") != NULL))
-    guestfs_set_path (g, "appliance:" GUESTFS_DEFAULT_PATH);
-
   /* CAUTION: we are careful to modify argv[0] here, only after
    * using it just above.
    *

fuse/guestmount.c

@@ -1034,19 +1034,6 @@ main (int argc, char *argv[])
    */
   ADD_FUSE_ARG ("-s");
 
-  /* If developing, add ./appliance to the path.  Note that libtools
-   * interferes with this because uninstalled guestfish is a shell
-   * script that runs the real program with an absolute path.  Detect
-   * that too.
-   *
-   * BUT if LIBGUESTFS_PATH environment variable is already set by
-   * the user, then don't override it.
-   */
-  if (getenv ("LIBGUESTFS_PATH") == NULL &&
-      argv[0] &&
-      (argv[0][0] != '/' || strstr (argv[0], "/.libs/lt-") != NULL))
-    guestfs_set_path (g, "appliance:" GUESTFS_DEFAULT_PATH);
-
   for (;;) {
     c = getopt_long (argc, argv, options, long_options, &option_index);
     if (c == -1) break;

images/guest-aux/make-debian-img.sh

@@ -31,7 +31,7 @@ LABEL=BOOT /boot ext2 default 0 0
 EOF
 
 # Create a disk image.
-../fish/guestfish <<'EOF'
+../run ../fish/guestfish <<'EOF'
 sparse debian.img.tmp 512M
 run
 

images/guest-aux/make-fedora-img.sh

@@ -31,7 +31,7 @@ LABEL=ROOT / ext2 default 0 0
 EOF
 
 # Create a disk image.
-../fish/guestfish <<'EOF'
+../run ../fish/guestfish <<'EOF'
 sparse fedora.img.tmp 512M
 run
 

images/guest-aux/make-ubuntu-img.sh

@@ -36,7 +36,7 @@ DISTRIB_DESCRIPTION="Ubuntu 10.10 (Phony Pharaoh)"
 EOF
 
 # Create a disk image.
-../fish/guestfish <<'EOF'
+../run ../fish/guestfish <<'EOF'
 sparse ubuntu.img.tmp 512M
 run
 

images/guest-aux/make-windows-img.sh

@@ -25,7 +25,7 @@ set -e
 # ntfs-3g/ntfsprogs then we cannot create a Windows phony image.
 # Nothing actually uses windows.img in the standard build so we can
 # just 'touch' it and emit a warning.
-if ! ../fish/guestfish -a /dev/null run : available "ntfs3g ntfsprogs"; then
+if ! ../run ../fish/guestfish -a /dev/null run : available "ntfs3g ntfsprogs"; then
   echo "***"
   echo "Warning: cannot create windows.img because there is no NTFS"
   echo "support in this build of libguestfs.  Just touching the output"
@@ -36,7 +36,7 @@ if ! ../fish/guestfish -a /dev/null run : available "ntfs3g ntfsprogs"; then
 fi
 
 # Create a disk image.
-../fish/guestfish <<'EOF'
+../run ../fish/guestfish <<'EOF'
 sparse windows.img.tmp 512M
 run