Michael Cronenworth <m...@cchtml.com> writes:

> On git 1.8.1.x (Fedora 18) I was able to use the git-cvsserver to checkout 
> code
> to package into a tarball. Script files that were in git with 755 masks were
> checked-out with the same mask. After upgrading the git repository machine to
> Fedora 19 (1.8.3.1) the behaviour has changed. When I checkout the same script
> files their mask is now 644. The mask has not changed in git.

Matthew, I do not know if you are still using the git-cvsserver, but
it seems that the only substantial change to that subsystem between
the 1.8.1.x and 1.8.3.x is your update.

Especially 2c3af7e7 (cvsserver: factor out git-log parsing logic,
2012-10-13) looks interesting.  It has a hunk like this:

-                my $git_perms = "";
-                $git_perms .= "r" if ( $mode & 4 );
-                $git_perms .= "w" if ( $mode & 2 );
-                $git_perms .= "x" if ( $mode & 1 );
-                $git_perms = "rw" if ( $git_perms eq "" );
+                my $dbMode = convertToDbMode($mode);

with the definition of convertToDbMode being:

+sub convertToDbMode
+{
+    my $mode = shift;
+    ...
+    $mode=~/^\d\d(\d)\d{3}$/;
+    my $userBits=$1;
+
+    my $dbMode = "";
+    $dbMode .= "r" if ( $userBits & 4 );
+    $dbMode .= "w" if ( $userBits & 2 );
+    $dbMode .= "x" if ( $userBits & 1 );
+    $dbMode = "rw" if ( $dbMode eq "" );
+
+    return $dbMode;

The $mode in the caller comes from diff-tree output (the post-change
side of the mode string, like "100755").

Picking the third digit from the left (i.e. "10'0'755"), instead of
the tail digit (i.e. "10075'5'"), looks strange.

Side note: now I look at it, the original does not make much sense
for that matter.  "100755" & 4 is different from oct("100755") & 4.
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