[PATCH v8 3/3] gitweb: add If-Modified-Since handling to git_snapshot().
- From
W. Trevor King <wking@drexel.edu>
- Date
- Mar 29, 2012, 12:45 UTC
- Message-ID
- <bfbde5354e25dfbf535307a72016a6b5ac3a2c56.1333024238.git.wking@drexel.edu>
- In-Reply-To
- <201203282328.08876.jnareb@gmail.com>
Because snapshots can be large, you can save some bandwidth by supporting caching via If-Modified-Since. This patch adds support for the i-m-s request to git_snapshot() if the request is a commit. Requests for snapshots of trees, which lack well defined timestamps, are still handled as they were before.
Signed-off-by: W Trevor King <wking@drexel.edu> --- gitweb/gitweb.perl | 10 +++++++++ t/t9501-gitweb-standalone-http-status.sh | 33 ++++++++++++++++++++++++++++++ 2 files changed, 43 insertions(+), 0 deletions(-)
diff --git a/gitweb/gitweb.perl b/gitweb/gitweb.perl index 6d3f9c0..ede804a 100755 --- a/gitweb/gitweb.perl +++ b/gitweb/gitweb.perl @@ -7051,6 +7051,10 @@ sub git_snapshot { my ($name, $prefix) = snapshot_name($project, $hash); my $filename = "$name$known_snapshot_formats{$format}{'suffix'}"; + + my %co = parse_commit($hash); + exit_if_unmodified_since($co{'committer_epoch'}) if %co; + my $cmd = quote_command( git_cmd(), 'archive', "--format=$known_snapshot_formats{$format}{'format'}", @@ -7060,9 +7064,15 @@ sub git_snapshot { } $filename =~ s/(["\\])/\\$1/g; + my %latest_date; + if (%co) { + %latest_date = parse_date($co{'committer_epoch'}, $co{'committer_tz'}); + } + print $cgi->header( -type => $known_snapshot_formats{$format}{'type'}, -content_disposition => 'inline; filename="' . $filename . '"', + %co ? (-last_modified => $latest_date{'rfc2822'}) : (), -status => '200 OK'); open my $fd, "-|", $cmd diff --git a/t/t9501-gitweb-standalone-http-status.sh b/t/t9501-gitweb-standalone-http-status.sh index 3580103..fa2f65f 100755 --- a/t/t9501-gitweb-standalone-http-status.sh +++ b/t/t9501-gitweb-standalone-http-status.sh @@ -138,6 +138,39 @@ test_expect_success 'modification: feed if-modified-since (unmodified)' ' ' test_debug 'cat gitweb.headers' +test_expect_success 'modification: snapshot last-modified' ' + gitweb_run "p=.git;a=snapshot;h=master;sf=tgz" && + grep "Status: 200 OK" gitweb.headers && + grep "Last-modified: Thu, 7 Apr 2005 22:14:13 +0000" gitweb.headers +' +test_debug 'cat gitweb.headers' + +test_expect_success 'modification: snapshot if-modified-since (modified)' ' + export HTTP_IF_MODIFIED_SINCE="Wed, 6 Apr 2005 22:14:13 +0000" && + test_when_finished "unset HTTP_IF_MODIFIED_SINCE" && + gitweb_run "p=.git;a=snapshot;h=master;sf=tgz" && + grep "Status: 200 OK" gitweb.headers +' +test_debug 'cat gitweb.headers' + +test_expect_success 'modification: snapshot if-modified-since (unmodified)' ' + export HTTP_IF_MODIFIED_SINCE="Thu, 7 Apr 2005 22:14:13 +0000" && + test_when_finished "unset HTTP_IF_MODIFIED_SINCE" && + gitweb_run "p=.git;a=snapshot;h=master;sf=tgz" && + grep "Status: 304 Not Modified" gitweb.headers +' +test_debug 'cat gitweb.headers' + +test_expect_success 'modification: tree snapshot' ' + ID=`git rev-parse --verify HEAD^{tree}` && + export HTTP_IF_MODIFIED_SINCE="Wed, 6 Apr 2005 22:14:13 +0000" && + test_when_finished "unset HTTP_IF_MODIFIED_SINCE" && + gitweb_run "p=.git;a=snapshot;h=$ID;sf=tgz" && + grep "Status: 200 OK" gitweb.headers && + ! grep -i "last-modified" gitweb.headers +' +test_debug 'cat gitweb.headers' + # ---------------------------------------------------------------------- # load checking
-- 1.7.3.4