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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
git-svn.perl
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@ -2008,10 +2008,10 @@ sub cmt_sha2rev_batch {
print $out $sha, "\n";
while (my $line = <$in>) {
if ($first && $line =~ /^[[:xdigit:]]{40}\smissing$/) {
if ($first && $line =~ /^$::oid\smissing$/) {
last;
} elsif ($first &&
$line =~ /^[[:xdigit:]]{40}\scommit\s(\d+)$/) {
$line =~ /^$::oid\scommit\s(\d+)$/) {
$first = 0;
$size = $1;
next;