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[PATCH] postinst: get rid of reverse symlinks handling



maximilian suggested to grab an axe and rip the reverse symlinks handling out.
The man page for kernel-img.conf has no reference to it anymore.

Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
---
 debian/rules.real                          |    1 -
 debian/templates/temp.image.plain/postinst |   60 +--------------------------
 debian/templates/temp.image.plain/postrm   |    3 -
 debian/templates/temp.image.plain/preinst  |    3 -
 debian/templates/temp.image.plain/prerm    |    3 -
 5 files changed, 3 insertions(+), 67 deletions(-)

diff --git a/debian/rules.real b/debian/rules.real
index 66bc700..056efee 100644
--- a/debian/rules.real
+++ b/debian/rules.real
@@ -396,7 +396,6 @@ install-image_$(ARCH)_$(FEATURESET)_$(FLAVOUR)_plain_templates:
 	    -e 's/=V/$(REAL_VERSION)/g' \
 	    -e 's/=M//g' \
 	    -e 's/=MD//g' \
-	    -e 's/=R//g' \
 	    -e 's/=S//g' \
 	    $$i > $(PACKAGE_DIR)/DEBIAN/$$(basename $$i); \
 	done
diff --git a/debian/templates/temp.image.plain/postinst b/debian/templates/temp.image.plain/postinst
index 2ac4a0b..1ae393a 100755
--- a/debian/templates/temp.image.plain/postinst
+++ b/debian/templates/temp.image.plain/postinst
@@ -29,7 +29,6 @@ $|=1;
 my $version           = "=V";
 my $link_in_boot      = "=IB";  # Should be empty, mostly
 my $no_symlink        = "=S";   # Should be empty, mostly
-my $reverse_symlink   = "=R";   # Should be empty, mostly
 my $do_symlink        = "Yes";  # target machine defined
 my $do_boot_enable    = "Yes";  # target machine defined
 my $do_bootloader     = "Yes";  # target machine defined
@@ -103,7 +102,6 @@ if (-r "$CONF_LOC" && -f "$CONF_LOC"  ) {
 
       $do_symlink      = "" if /do_symlinks\s*=\s*(no|false|0)\s*$/ig;
       $no_symlink      = "" if /no_symlinks\s*=\s*(no|false|0)\s*$/ig;
-      $reverse_symlink = "" if /reverse_symlink\s*=\s*(no|false|0)\s*$/ig;
       $link_in_boot    = "" if /link_in_boot\s*=\s*(no|false|0)\s*$/ig;
       $do_boot_enable  = '' if /do_boot_enable\s*=\s*(no|false|0)\s*$/ig;
       $relative_links  = '' if /relative_links \s*=\s*(no|false|0)\s*$/ig;
@@ -118,7 +116,6 @@ if (-r "$CONF_LOC" && -f "$CONF_LOC"  ) {
 
       $do_symlink      = "Yes" if /do_symlinks\s*=\s*(yes|true|1)\s*$/ig;
       $no_symlink      = "Yes" if /no_symlinks\s*=\s*(yes|true|1)\s*$/ig;
-      $reverse_symlink = "Yes" if /reverse_symlinks\s*=\s*(yes|true|1)\s*$/ig;
       $link_in_boot    = "Yes" if /link_in_boot\s*=\s*(yes|true|1)\s*$/ig;
       $do_boot_enable  = "Yes" if /do_boot_enable\s*=\s*(yes|true|1)\s*$/ig;
       $do_bootloader   = "Yes" if /do_bootloader\s*=\s*(yes|true|1)\s*$/ig;
@@ -342,12 +339,10 @@ sub move_p {
   warn "Move?: kimage=$kimage, image_dest=$image_dest, \n" .
     "\timage_name=$image_name, src_dir=$src_dir" if $DEBUG;
 
-  if ($no_symlink || $reverse_symlink) {
+  if ($no_symlink) {
     # we do not want links, yet we have a symbolic link here!
     warn "found a symbolic link in " . $image_dest . "$kimage \n" .
       "even though no_symlink is defined\n" if $no_symlink;
-    warn "found a symbolic link in " . $image_dest . "$kimage \n" .
-      "even though reverse_symlink is defined\n" if $reverse_symlink;
     # make sure we change this state of affairs
     $force_move = 1;
     return $force_move;
@@ -503,14 +498,6 @@ sub handle_missing_link {
           . $image_dest . "$kimage .\n");
     }
   } 
-  elsif ($reverse_symlink) {
-    my $ret = system("mv -f " . $realimageloc . "$image_name "
-                     . "$kimage");
-    if ($ret) {
-      die("Failed to move " . $realimageloc . "$image_name to "
-          . $image_dest . "$kimage .\n");
-    }
-  } 
   else {
     if (! $have_conffile) {
       my $ret;
@@ -538,12 +525,6 @@ sub handle_missing_link {
     my $Name = "$image_name";
     my $Link_Dest = "$kimage";
 
-    if ($reverse_symlink) {
-      $Old = $image_dest;
-      $New = $realimageloc;
-      $Name = "$kimage";
-      $Link_Dest = $realimageloc . "$image_name";
-    }
     if (test_relative ('Old Dir' => $Old,
                        'New Dir' => $New,
                        'Test File' => $Name)) {
@@ -560,7 +541,7 @@ sub handle_missing_link {
 }
 
 # This routine handles the rest of the cases, where the user has requested 
-# non-traditional handling, like using cp, or reverse symlinks, or hard links.
+# non-traditional handling, like using cp or hard links.
 sub handle_non_symlinks {
   my $kimage     = $_[0];       # Name of the symbolic link
   my $image_dest = $_[1];       # The directory the links goes into
@@ -591,41 +572,6 @@ sub handle_non_symlinks {
   ##,#### 
   # case Two
   #`####
-  elsif ($reverse_symlink) {  # Maybe /$image_dest is on a dos system?
-    my $ret = system("mv -f " . $realimageloc . "$image_name "
-                     . $image_dest . "$kimage");
-    if ($ret) {
-      if (-e "$kimage.$$") {
-        rename("$kimage.$$", "$kimage");
-      }
-      die("Failed to move " . $realimageloc . "$image_name to "
-          . $image_dest . "$kimage .\n");
-    }
-    my $Old = $image_dest;
-    if (test_relative ('Old Dir' => $Old, 'New Dir' => $realimageloc,
-                       'Test File' => "$kimage")) {
-      $Old   =~ s|^/*||o;
-    }
-    # Special case is they are in the same dir
-    my $rel_path = spath('Old' => "$Old", 'New' => "$realimageloc" );
-    $Old ="" if $rel_path =~ m/^\s*$/o;
-
-    if ($use_hard_links =~ m/YES/i) {
-      if (! link($Old . "$kimage", $realimageloc . "$image_name")) {
-        warn "Could not hard link " . $image_dest .
-          "$kimage to $image_name :$!";
-      }
-    }
-    else {
-      if (! symlink($Old . "$kimage", $realimageloc . "$image_name")) {
-        warn "Could not symlink " . $image_dest .
-          "$kimage to $image_name :$!";
-      }
-    }
-  }
-  ##,####
-  # case Three
-  #`####
   elsif ($use_hard_links =~ m/YES/i ) {
     # Ok then. this ought to be a hard link, and hence fair game
     # don't clobber $kimage.old quite yet
@@ -647,7 +593,7 @@ sub handle_non_symlinks {
     }
   }
   ##,####
-  # case Four
+  # case Three
   #`####
   else {
     # We just use cp
diff --git a/debian/templates/temp.image.plain/postrm b/debian/templates/temp.image.plain/postrm
index a2ab2c8..3a12d7b 100755
--- a/debian/templates/temp.image.plain/postrm
+++ b/debian/templates/temp.image.plain/postrm
@@ -38,7 +38,6 @@ $|=1;
 my $version           = "=V";
 my $link_in_boot      = "=IB";	# Should be empty, mostly
 my $no_symlink        = "=S";	# Should be empty, mostly
-my $reverse_symlink   = "=R";	# Should be empty, mostly
 my $do_symlink        = "Yes";	# target machine defined
 my $do_boot_enable    = "Yes";	# target machine defined
 my $do_bootloader     = "Yes";	# target machine defined
@@ -104,7 +103,6 @@ if (-r "$CONF_LOC" && -f "$CONF_LOC"  ) {
 
       $do_symlink      = "" if /do_symlinks\s*=\s*(no|false|0)\s*$/ig;
       $no_symlink      = "" if /no_symlinks\s*=\s*(no|false|0)\s*$/ig;
-      $reverse_symlink = "" if /reverse_symlinks\s*=\s*(no|false|0)\s*$/ig;
       $link_in_boot    = "" if /link_in_boot\s*=\s*(no|false|0)\s*$/ig;
       $do_boot_enable  = '' if /do_boot_enable\s*=\s*(no|false|0)\s*$/ig;
       $relative_links  = '' if /relative_links \s*=\s*(no|false|0)\s*$/ig;
@@ -118,7 +116,6 @@ if (-r "$CONF_LOC" && -f "$CONF_LOC"  ) {
 
       $do_symlink      = "Yes" if /do_symlinks\s*=\s*(yes|true|1)\s*$/ig;
       $no_symlink      = "Yes" if /no_symlinks\s*=\s*(yes|true|1)\s*$/ig;
-      $reverse_symlink = "Yes" if /reverse_symlinks\s*=\s*(yes|true|1)\s*$/ig;
       $link_in_boot    = "Yes" if /link_in_boot\s*=\s*(yes|true|1)\s*$/ig;
       $do_boot_enable  = "Yes" if /do_boot_enable\s*=\s*(yes|true|1)\s*$/ig;
       $do_bootloader   = "Yes" if /do_bootloader\s*=\s*(yes|true|1)\s*$/ig;
diff --git a/debian/templates/temp.image.plain/preinst b/debian/templates/temp.image.plain/preinst
index 3a36b46..075300b 100755
--- a/debian/templates/temp.image.plain/preinst
+++ b/debian/templates/temp.image.plain/preinst
@@ -27,7 +27,6 @@ $|=1;
 my $version         = "=V";
 my $link_in_boot    = "=IB";     # Should be empty, mostly
 my $no_symlink      = "=S";     # Should be empty, mostly
-my $reverse_symlink = "=R";     # Should be empty, mostly
 my $do_symlink      = "Yes";	# target machine defined
 my $kimage          = "=K";     # Should be empty, mostly
 my $image_dir       = "=D";     # where the image is located
@@ -79,7 +78,6 @@ if (-r "$CONF_LOC" && -f "$CONF_LOC"  ) {
 
       $do_symlink      = "" if /do_symlinks\s*=\s*(no|false|0)\s*$/ig;
       $no_symlink      = "" if /no_symlinks\s*=\s*(no|false|0)\s*$/ig;
-      $reverse_symlink = "" if /reverse_symlinks\s*=\s*(no|false|0)\s*$/ig;
       $link_in_boot    = "" if /link_in_boot\s*=\s*(no|false|0)\s*$/ig;
       $relative_links  = '' if /relative_links \s*=\s*(no|false|0)\s*$/ig;
       $use_hard_links  = '' if /use_hard_links\s*=\s*(no|false|0)\s*$/ig;
@@ -91,7 +89,6 @@ if (-r "$CONF_LOC" && -f "$CONF_LOC"  ) {
 
       $do_symlink      = "Yes" if /do_symlinks\s*=\s*(yes|true|1)\s*$/ig;
       $no_symlink      = "Yes" if /no_symlinks\s*=\s*(yes|true|1)\s*$/ig;
-      $reverse_symlink = "Yes" if /reverse_symlinks\s*=\s*(yes|true|1)\s*$/ig;
       $link_in_boot    = "Yes" if /link_in_boot\s*=\s*(yes|true|1)\s*$/ig;
       $relative_links  = "Yes" if /relative_links\s*=\s*(yes|true|1)\s*$/ig;
       $use_hard_links  = "Yes" if /use_hard_links\s*=\s*(yes|true|1)\s*$/ig;
diff --git a/debian/templates/temp.image.plain/prerm b/debian/templates/temp.image.plain/prerm
index c80f389..5a0491e 100755
--- a/debian/templates/temp.image.plain/prerm
+++ b/debian/templates/temp.image.plain/prerm
@@ -26,7 +26,6 @@ $|=1;
 my $version         = "=V";
 my $link_in_boot    = "=IB";	# Should be empty, mostly
 my $no_symlink      = "=S";	# Should be empty, mostly
-my $reverse_symlink = "=R";	# Should be empty, mostly
 my $do_symlinks     = "Yes";	# target machine defined
 my $do_boot_enable  = "Yes";	# target machine defined
 my $do_bootloader   = "Yes";	# target machine defined
@@ -103,7 +102,6 @@ if (-r "$CONF_LOC" && -f "$CONF_LOC"  ) {
 
       $do_symlink      = "" if /do_symlinks\s*=\s*(no|false|0)\s*$/ig;
       $no_symlink      = "" if /no_symlinks\s*=\s*(no|false|0)\s*$/ig;
-      $reverse_symlink = "" if /reverse_symlinks\s*=\s*(no|false|0)\s*$/ig;
       $link_in_boot    = "" if /link_in_boot\s*=\s*(no|false|0)\s*$/ig;
       $do_boot_enable  = '' if /do_boot_enable\s*=\s*(no|false|0)\s*$/ig;
       $relative_links  = '' if /relative_links \s*=\s*(no|false|0)\s*$/ig;
@@ -119,7 +117,6 @@ if (-r "$CONF_LOC" && -f "$CONF_LOC"  ) {
 
       $do_symlink      = "Yes" if /do_symlinks\s*=\s*(yes|true|1)\s*$/ig;
       $no_symlink      = "Yes" if /no_symlinks\s*=\s*(yes|true|1)\s*$/ig;
-      $reverse_symlink = "Yes" if /reverse_symlinks\s*=\s*(yes|true|1)\s*$/ig;
       $link_in_boot    = "Yes" if /link_in_boot\s*=\s*(yes|true|1)\s*$/ig;
       $do_boot_enable  = "Yes" if /do_boot_enable\s*=\s*(yes|true|1)\s*$/ig;
       $do_bootloader   = "Yes" if /do_bootloader\s*=\s*(yes|true|1)\s*$/ig;
-- 
1.6.5.2


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