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perl: make SVN code hash independent

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There are several places throughout git-svn that use various hard-coded
constants.  For matching object IDs, use the $oid variable.  Compute the
record size we use for our revision storage based on the object ID.

When parsing the revision map format, use a wildcard in the pack format
since we know that the data we're parsing is always exactly the record
size.  This lets us continue to use a constant for the pack format.

Finally, update several comments to reflect the fact that an object ID
may be of one of multiple sizes.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Acked-by: Eric Wong <e@80x24.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
brian m. carlson
2020-06-22 18:04:14 +00:00
committed by Junio C Hamano
parent ff508e227c
commit 94b2ee1aee
5 changed files with 48 additions and 45 deletions
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4
perl/Git/SVN/Ra.pm
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@ -486,11 +486,11 @@ sub gs_fetch_loop_common {
$reload_ra->() if $ra_invalid;
}
# pre-fill the .rev_db since it'll eventually get filled in
# with '0' x40 if something new gets committed
# with '0' x $oid_length if something new gets committed
foreach my $gs (@$gsv) {
next if $gs->rev_map_max >= $max;
next if defined $gs->rev_map_get($max);
$gs->rev_map_set($max, 0 x40);
$gs->rev_map_set($max, 0 x $::oid_length);
}
foreach my $g (@$globs) {
my $k = "svn-remote.$g->{remote}.$g->{t}-maxRev";