# You define site-wide feature defaults here; override them with
# $GITWEB_CONFIG as necessary.
our %feature = (
- # feature => {'sub' => feature-sub, 'override' => allow-override, 'default' => [ default options...]
- # if feature is overridable, feature-sub will be called with default options;
- # return value indicates if to enable specified feature
+ # feature => {
+ # 'sub' => feature-sub (subroutine),
+ # 'override' => allow-override (boolean),
+ # 'default' => [ default options...] (array reference)}
+ #
+ # if feature is overridable (it means that allow-override has true value,
+ # then feature-sub will be called with default options as parameters;
+ # return value of feature-sub indicates if to enable specified feature
+ #
+ # use gitweb_check_feature(<feature>) to check if <feature> is enabled
'blame' => {
'sub' => \&feature_blame,
}
# To enable system wide have in $GITWEB_CONFIG
-# $feature{'blame'}{'default'} = [1];
-# To have project specific config enable override in $GITWEB_CONFIG
-# $feature{'blame'}{'override'} = 1;
+# $feature{'blame'}{'default'} = [1];
+# To have project specific config enable override in $GITWEB_CONFIG
+# $feature{'blame'}{'override'} = 1;
# and in project config gitweb.blame = 0|1;
sub feature_blame {
}
# To disable system wide have in $GITWEB_CONFIG
-# $feature{'snapshot'}{'default'} = [undef];
-# To have project specific config enable override in $GITWEB_CONFIG
-# $feature{'blame'}{'override'} = 1;
+# $feature{'snapshot'}{'default'} = [undef];
+# To have project specific config enable override in $GITWEB_CONFIG
+# $feature{'blame'}{'override'} = 1;
# and in project config gitweb.snapshot = none|gzip|bzip2
sub feature_snapshot {
return ($ctype, $suffix, $command);
}
+# rename detection options for git-diff and git-diff-tree
+# - default is '-M', with the cost proportional to
+# (number of removed files) * (number of new files).
+# - more costly is '-C' (or '-C', '-M'), with the cost proportional to
+# (number of changed files + number of removed files) * (number of new files)
+# - even more costly is '-C', '--find-copies-harder' with cost
+# (number of files in the original tree) * (number of new files)
+# - one might want to include '-B' option, e.g. '-B', '-M'
+our @diff_opts = ('-M'); # taken from git_commit
+
our $GITWEB_CONFIG = $ENV{'GITWEB_CONFIG'} || "++GITWEB_CONFIG++";
require $GITWEB_CONFIG if -e $GITWEB_CONFIG;
# version of the core git binary
our $git_version = qx($GIT --version) =~ m/git version (.*)$/ ? $1 : "unknown";
+# path to the current git repository
+our $git_dir;
+
$projects_list ||= $projectroot;
# ======================================================================
if (!(-e "$projectroot/$project/HEAD")) {
die_error(undef, "No such project");
}
- $ENV{'GIT_DIR'} = "$projectroot/$project";
+ $git_dir = "$projectroot/$project";
}
our $file_name = $cgi->param('f');
## ----------------------------------------------------------------------
## git utility subroutines, invoking git commands
+# returns path to the core git executable and the --git-dir parameter as list
+sub git_cmd {
+ return $GIT, '--git-dir='.$git_dir;
+}
+
+# returns path to the core git executable and the --git-dir parameter as string
+sub git_cmd_str {
+ return join(' ', git_cmd());
+}
+
# get HEAD ref of given project as hash
sub git_get_head_hash {
my $project = shift;
- my $oENV = $ENV{'GIT_DIR'};
+ my $o_git_dir = $git_dir;
my $retval = undef;
- $ENV{'GIT_DIR'} = "$projectroot/$project";
- if (open my $fd, "-|", $GIT, "rev-parse", "--verify", "HEAD") {
+ $git_dir = "$projectroot/$project";
+ if (open my $fd, "-|", git_cmd(), "rev-parse", "--verify", "HEAD") {
my $head = <$fd>;
close $fd;
if (defined $head && $head =~ /^([0-9a-fA-F]{40})$/) {
$retval = $1;
}
}
- if (defined $oENV) {
- $ENV{'GIT_DIR'} = $oENV;
+ if (defined $o_git_dir) {
+ $git_dir = $o_git_dir;
}
return $retval;
}
sub git_get_type {
my $hash = shift;
- open my $fd, "-|", $GIT, "cat-file", '-t', $hash or return;
+ open my $fd, "-|", git_cmd(), "cat-file", '-t', $hash or return;
my $type = <$fd>;
close $fd or return;
chomp $type;
$key =~ s/^gitweb\.//;
return if ($key =~ m/\W/);
- my @x = ($GIT, 'repo-config');
+ my @x = (git_cmd(), 'repo-config');
if (defined $type) { push @x, $type; }
push @x, "--get";
push @x, "gitweb.$key";
my $tree = $base;
- open my $fd, "-|", $GIT, "ls-tree", $base, "--", $path
+ open my $fd, "-|", git_cmd(), "ls-tree", $base, "--", $path
or die_error(undef, "Open git-ls-tree failed");
my $line = <$fd>;
close $fd or return undef;
return $3;
}
-# converts symbolic name to hash
-sub git_to_hash {
- my @params = @_;
- return undef unless @params;
-
- open my $fd, "-|", $GIT, "rev-parse", @params
- or return undef;
- my @hashes = map { chomp; $_ } <$fd>;
- close $fd;
-
- if (wantarray) {
- return @hashes;
- } elsif (scalar(@hashes) == 1) {
- # single hash
- return $hashes[0];
- } else {
- return \@hashes;
- }
-}
-
## ......................................................................
## git utility functions, directly accessing git repository
open $fd, "$projectroot/$project/info/refs"
or return;
} else {
- open $fd, "-|", $GIT, "ls-remote", "."
+ open $fd, "-|", git_cmd(), "ls-remote", "."
or return;
}
return \%refs;
}
-sub git_get_following_references {
- my $hash = shift || return undef;
- my $type = shift;
- my $base = shift || $hash_base || "HEAD";
-
- my $refs = git_get_references($type);
- open my $fd, "-|", $GIT, "rev-list", $base
- or return undef;
- my @commits = map { chomp; $_ } <$fd>;
- close $fd
- or return undef;
-
- my @reflist;
- my $lastref;
-
- foreach my $commit (@commits) {
- foreach my $ref (@{$refs->{$commit}}) {
- $lastref = $ref;
- push @reflist, $lastref;
- }
- if ($commit eq $hash) {
- last;
- }
- }
-
- return wantarray ? @reflist : $lastref;
-}
-
-sub git_get_preceding_references {
- my $hash = shift || return undef;
- my $type = shift;
-
- my $refs = git_get_references($type);
- open my $fd, "-|", $GIT, "rev-list", $hash
- or return undef;
- my @commits = map { chomp; $_ } <$fd>;
- close $fd
- or return undef;
-
- my @reflist;
-
- foreach my $commit (@commits) {
- foreach my $ref (@{$refs->{$commit}}) {
- return $ref unless wantarray;
- push @reflist, $ref;
- }
- }
-
- return @reflist;
-}
-
sub git_get_rev_name_tags {
my $hash = shift || return undef;
- open my $fd, "-|", $GIT, "name-rev", "--tags", $hash
+ open my $fd, "-|", git_cmd(), "name-rev", "--tags", $hash
or return;
my $name_rev = <$fd>;
close $fd;
my %tag;
my @comment;
- open my $fd, "-|", $GIT, "cat-file", "tag", $tag_id or return;
+ open my $fd, "-|", git_cmd(), "cat-file", "tag", $tag_id or return;
$tag{'id'} = $tag_id;
while (my $line = <$fd>) {
chomp $line;
@commit_lines = @$commit_text;
} else {
$/ = "\0";
- open my $fd, "-|", $GIT, "rev-list", "--header", "--parents", "--max-count=1", $commit_id
+ open my $fd, "-|", git_cmd(), "rev-list", "--header", "--parents", "--max-count=1", $commit_id
or return;
@commit_lines = split '\n', <$fd>;
close $fd or return;
"blob") .
" | " .
$cgi->a({-href => href(action=>"history", hash_base=>$parent,
- file_name=>$diff{'file'})},\
+ file_name=>$diff{'file'})},
"history") .
"</td>\n";
print "<div class=\"patchset\">\n";
LINE:
- while (my $patch_line @$fd>) {
+ while (my $patch_line = <$fd>) {
chomp $patch_line;
if ($patch_line =~ m/^diff /) { # "git diff" header
if (!defined $head) {
next;
}
- $ENV{'GIT_DIR'} = "$projectroot/$pr->{'path'}";
+ $git_dir = "$projectroot/$pr->{'path'}";
my %co = parse_commit($head);
if (!%co) {
next;
}
print "</table>\n";
- open my $fd, "-|", $GIT, "rev-list", "--max-count=17", git_get_head_hash($project)
+ open my $fd, "-|", git_cmd(), "rev-list", "--max-count=17",
+ git_get_head_hash($project)
or die_error(undef, "Open git-rev-list failed");
my @revlist = map { chomp; $_ } <$fd>;
close $fd;
if ($ftype !~ "blob") {
die_error("400 Bad Request", "Object is not a blob");
}
- open ($fd, "-|", $GIT, "blame", '-l', $file_name, $hash_base)
+ open ($fd, "-|", git_cmd(), "blame", '-l', $file_name, $hash_base)
or die_error(undef, "Open git-blame failed");
git_header_html();
my $formats_nav =
$hash = git_get_hash_by_path($hash_base, $file_name, "blob")
or die_error(undef, "Error lookup file");
}
- open ($fd, "-|", $GIT, "annotate", '-l', '-t', '-r', $file_name, $hash_base)
+ open ($fd, "-|", git_cmd(), "annotate", '-l', '-t', '-r', $file_name, $hash_base)
or die_error(undef, "Open git-annotate failed");
git_header_html();
my $formats_nav =
}
sub git_blob_plain {
+ # blobs defined by non-textual hash id's can be cached
+ my $expires;
+ if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
+ $expires = "+1d";
+ }
+
if (!defined $hash) {
if (defined $file_name) {
my $base = $hash_base || git_get_head_hash($project);
}
}
my $type = shift;
- open my $fd, "-|", $GIT, "cat-file", "blob", $hash
+ open my $fd, "-|", git_cmd(), "cat-file", "blob", $hash
or die_error(undef, "Couldn't cat $file_name, $hash");
$type ||= blob_mimetype($fd, $file_name);
$save_as .= '.txt';
}
- print $cgi->header(-type => "$type",
- -content_disposition => "inline; filename=\"$save_as\"");
+ print $cgi->header(
+ -type => "$type",
+ -expires=>$expires,
+ -content_disposition => "inline; filename=\"$save_as\"");
undef $/;
binmode STDOUT, ':raw';
print <$fd>;
}
sub git_blob {
+ # blobs defined by non-textual hash id's can be cached
+ my $expires;
+ if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
+ $expires = "+1d";
+ }
+
if (!defined $hash) {
if (defined $file_name) {
my $base = $hash_base || git_get_head_hash($project);
}
}
my $have_blame = gitweb_check_feature('blame');
- open my $fd, "-|", $GIT, "cat-file", "blob", $hash
+ open my $fd, "-|", git_cmd(), "cat-file", "blob", $hash
or die_error(undef, "Couldn't cat $file_name, $hash");
my $mimetype = blob_mimetype($fd, $file_name);
if ($mimetype !~ m/^text\//) {
close $fd;
return git_blob_plain($mimetype);
}
- git_header_html();
+ git_header_html(undef, $expires);
my $formats_nav = '';
if (defined $hash_base && (my %co = parse_commit($hash_base))) {
if (defined $file_name) {
}
}
$/ = "\0";
- open my $fd, "-|", $GIT, "ls-tree", '-z', $hash
+ open my $fd, "-|", git_cmd(), "ls-tree", '-z', $hash
or die_error(undef, "Open git-ls-tree failed");
my @entries = map { chomp; $_ } <$fd>;
close $fd or die_error(undef, "Reading tree failed");
-content_disposition => "inline; filename=\"$filename\"",
-status => '200 OK');
- open my $fd, "-|", "$GIT tar-tree $hash \'$project\' | $command" or
+ my $git_command = git_cmd_str();
+ open my $fd, "-|", "$git_command tar-tree $hash \'$project\' | $command" or
die_error(undef, "Execute git-tar-tree failed.");
binmode STDOUT, ':raw';
print <$fd>;
my $refs = git_get_references();
my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
- open my $fd, "-|", $GIT, "rev-list", $limit, $hash
+ open my $fd, "-|", git_cmd(), "rev-list", $limit, $hash
or die_error(undef, "Open git-rev-list failed");
my @revlist = map { chomp; $_ } <$fd>;
close $fd;
if (!defined $parent) {
$parent = "--root";
}
- open my $fd, "-|", $GIT, "diff-tree", '-r', '-M', $parent, $hash
+ open my $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts, $parent, $hash
or die_error(undef, "Open git-diff-tree failed");
my @difftree = map { chomp; $_ } <$fd>;
close $fd or die_error(undef, "Reading git-diff-tree failed");
if (defined $hash_base && defined $hash_parent_base) {
if (defined $file_name) {
# read raw output
- open $fd, "-|", $GIT, "diff-tree", '-r', '-M', '-C', $hash_parent_base, $hash_base,
+ open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts, $hash_parent_base, $hash_base,
"--", $file_name
or die_error(undef, "Open git-diff-tree failed");
@difftree = map { chomp; $_ } <$fd>;
if ($hash !~ /[0-9a-fA-F]{40}/) {
$hash = git_to_hash($hash);
}
+ } elsif (defined $hash &&
+ $hash =~ /[0-9a-fA-F]{40}/) {
+ # try to find filename from $hash
# read filtered raw output
- open $fd, "-|", $GIT, "diff-tree", '-r', '-M', '-C', $hash_parent_base, $hash_base
+ open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts, $hash_parent_base, $hash_base
or die_error(undef, "Open git-diff-tree failed");
@difftree =
# ':100644 100644 03b21826... 3b93d5e7... M ls-files.c'
}
# open patch output
- open $fd, "-|", $GIT, "diff-tree", '-r', '-p', '-M', '-C', $hash_parent_base, $hash_base,
+ open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
+ '-p', $hash_parent_base, $hash_base,
"--", $file_name
or die_error(undef, "Open git-diff-tree failed");
}
}
# open patch output
- #open $fd, "-|", $GIT, "diff", '-p', $hash_parent, $hash
- open $fd, "-|", $GIT, "diff", '-p', $hash, $hash_parent
+ open $fd, "-|", git_cmd(), "diff", '-p', @diff_opts, $hash_parent, $hash
or die_error(undef, "Open git-diff failed");
} else {
die_error('404 Not Found', "Missing one of the blob diff parameters")
my $fd;
my @difftree;
if ($format eq 'html') {
- open $fd, "-|", $GIT, "diff-tree", '-r', '-M', '-C',
+ open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
"--patch-with-raw", "--full-index", $hash_parent, $hash
or die_error(undef, "Open git-diff-tree failed");
}
} elsif ($format eq 'plain') {
- open $fd, "-|", $GIT, "diff-tree", '-r', '-p', '-B', $hash_parent, $hash
+ open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
+ '-p', $hash_parent, $hash
or die_error(undef, "Open git-diff-tree failed");
} else {
git_print_page_path($file_name, $ftype, $hash_base);
open my $fd, "-|",
- $GIT, "rev-list", "--full-history", $hash_base, "--", $file_name;
+ git_cmd(), "rev-list", "--full-history", $hash_base, "--", $file_name;
+
git_history_body($fd, $refs, $hash_base, $ftype);
close $fd;
my $alternate = 0;
if ($commit_search) {
$/ = "\0";
- open my $fd, "-|", $GIT, "rev-list", "--header", "--parents", $hash or next;
+ open my $fd, "-|", git_cmd(), "rev-list", "--header", "--parents", $hash or next;
while (my $commit_text = <$fd>) {
if (!grep m/$searchtext/i, $commit_text) {
next;
if ($pickaxe_search) {
$/ = "\n";
- open my $fd, "-|", "$GIT rev-list $hash | $GIT diff-tree -r --stdin -S\'$searchtext\'";
+ my $git_command = git_cmd_str();
+ open my $fd, "-|", "$git_command rev-list $hash | " .
+ "$git_command diff-tree -r --stdin -S\'$searchtext\'";
undef %co;
my @files;
while (my $line = <$fd>) {
my $refs = git_get_references();
my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
- open my $fd, "-|", $GIT, "rev-list", $limit, $hash
+ open my $fd, "-|", git_cmd(), "rev-list", $limit, $hash
or die_error(undef, "Open git-rev-list failed");
my @revlist = map { chomp; $_ } <$fd>;
close $fd;
sub git_rss {
# http://www.notestips.com/80256B3A007F2692/1/NAMO5P9UPQ
- open my $fd, "-|", $GIT, "rev-list", "--max-count=150", git_get_head_hash($project)
+ open my $fd, "-|", git_cmd(), "rev-list", "--max-count=150", git_get_head_hash($project)
or die_error(undef, "Open git-rev-list failed");
my @revlist = map { chomp; $_ } <$fd>;
close $fd or die_error(undef, "Reading git-rev-list failed");
last;
}
my %cd = parse_date($co{'committer_epoch'});
- open $fd, "-|", $GIT, "diff-tree", '-r', $co{'parent'}, $co{'id'} or next;
+ open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
+ $co{'parent'}, $co{'id'}
+ or next;
my @difftree = map { chomp; $_ } <$fd>;
- close $fd or next;
+ close $fd
+ or next;
print "<item>\n" .
"<title>" .
sprintf("%d %s %02d:%02d", $cd{'mday'}, $cd{'month'}, $cd{'hour'}, $cd{'minute'}) . " - " . esc_html($co{'title'}) .
if (!defined $head) {
next;
}
- $ENV{'GIT_DIR'} = "$projectroot/$proj{'path'}";
+ $git_dir = "$projectroot/$proj{'path'}";
my %co = parse_commit($head);
if (!%co) {
next;