gitweb: Use --git-dir parameter instead of setting $ENV{'GIT_DIR'}

This makes it possible to run gitweb under mod_perl's Apache::Registry.

It needs a fairly new git version, with --git-dir=<path>
parameter to git wrapper, i.e. post v1.4.2-rc2-g6acbcb9 version.

Signed-off-by: Dennis Stosberg <dennis@stosberg.net>
Signed-off-by: Jakub Narebski <jnareb@gmail.com>
Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Dennis Stosberg 2006-08-28 17:49:58 +02:00 committed by Junio C Hamano
parent 3dfb9278df
commit 25691fbe6d

View file

@ -157,6 +157,9 @@ sub feature_snapshot {
# 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 ||= $projectroot;
# ======================================================================
@ -184,7 +187,7 @@ sub feature_snapshot {
if (!(-e "$projectroot/$project/HEAD")) {
die_error(undef, "No such project");
}
$ENV{'GIT_DIR'} = "$projectroot/$project";
$git_dir = "$projectroot/$project";
}
our $file_name = $cgi->param('f');
@ -572,21 +575,31 @@ sub format_diff_line {
## ----------------------------------------------------------------------
## 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;
}
@ -595,7 +608,7 @@ sub git_get_head_hash {
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;
@ -609,7 +622,7 @@ sub git_get_project_config {
$key =~ s/^gitweb\.//;
return if ($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";
@ -625,7 +638,7 @@ sub git_get_hash_by_path {
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;
@ -756,7 +769,7 @@ sub git_get_references {
open $fd, "$projectroot/$project/info/refs"
or return;
} else {
open $fd, "-|", $GIT, "ls-remote", "."
open $fd, "-|", git_cmd(), "ls-remote", "."
or return;
}
@ -777,7 +790,7 @@ sub git_get_references {
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;
@ -825,7 +838,7 @@ sub parse_tag {
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 $line;
@ -866,7 +879,7 @@ sub parse_commit {
@commit_lines = @$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;
@ -1935,7 +1948,7 @@ sub git_project_list {
if (!defined $head) {
next;
}
$ENV{'GIT_DIR'} = "$projectroot/$pr->{'path'}";
$git_dir = "$projectroot/$pr->{'path'}";
my %co = parse_commit($head);
if (!%co) {
next;
@ -2054,7 +2067,8 @@ sub git_summary {
}
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 $fd;
@ -2132,7 +2146,7 @@ sub git_blame2 {
if ($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 =
@ -2197,7 +2211,7 @@ sub git_blame {
$hash = git_get_hash_by_path($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 =
@ -2318,7 +2332,7 @@ sub git_blob_plain {
}
}
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);
@ -2360,7 +2374,7 @@ sub git_blob {
}
}
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\//) {
@ -2425,7 +2439,7 @@ sub git_tree {
}
}
$/ = "\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 $fd or die_error(undef, "Reading tree failed");
@ -2528,7 +2542,8 @@ sub git_snapshot {
-content_disposition => "inline; filename=\"$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>;
@ -2548,7 +2563,7 @@ sub git_log {
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;
@ -2603,7 +2618,7 @@ sub git_commit {
if (!defined $parent) {
$parent = "--root";
}
open my $fd, "-|", $GIT, "diff-tree", '-r', @diff_opts, $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");
@ -2710,7 +2725,7 @@ sub git_blobdiff {
if (defined $hash_base && defined $hash_parent_base) {
if (defined $file_name) {
# read raw output
open $fd, "-|", $GIT, "diff-tree", '-r', @diff_opts, $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>;
@ -2728,7 +2743,7 @@ sub git_blobdiff {
# try to find filename from $hash
# read filtered raw output
open $fd, "-|", $GIT, "diff-tree", '-r', @diff_opts, $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'
@ -2762,7 +2777,7 @@ sub git_blobdiff {
}
# open patch output
open $fd, "-|", $GIT, "diff-tree", '-r', @diff_opts,
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");
@ -2798,7 +2813,7 @@ sub git_blobdiff {
}
# open patch output
open $fd, "-|", $GIT, "diff", '-p', @diff_opts, $hash_parent, $hash
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")
@ -2883,7 +2898,7 @@ sub git_commitdiff {
my $fd;
my @difftree;
if ($format eq 'html') {
open $fd, "-|", $GIT, "diff-tree", '-r', @diff_opts,
open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
"--patch-with-raw", "--full-index", $hash_parent, $hash
or die_error(undef, "Open git-diff-tree failed");
@ -2894,7 +2909,7 @@ sub git_commitdiff {
}
} elsif ($format eq 'plain') {
open $fd, "-|", $GIT, "diff-tree", '-r', @diff_opts,
open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
'-p', $hash_parent, $hash
or die_error(undef, "Open git-diff-tree failed");
@ -2994,7 +3009,8 @@ sub git_history {
git_print_page_path($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;
@ -3034,7 +3050,7 @@ sub git_search {
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, $commit_text) {
next;
@ -3086,7 +3102,9 @@ sub git_search {
if ($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>) {
@ -3153,7 +3171,7 @@ sub git_shortlog {
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;
@ -3181,7 +3199,7 @@ sub git_shortlog {
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 $fd or die_error(undef, "Reading git-rev-list failed");
@ -3204,7 +3222,7 @@ sub git_rss {
last;
}
my %cd = parse_date($co{'committer_epoch'});
open $fd, "-|", $GIT, "diff-tree", '-r', @diff_opts,
open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
$co{'parent'}, $co{'id'}
or next;
my @difftree = map { chomp; $_ } <$fd>;
@ -3262,7 +3280,7 @@ sub git_opml {
if (!defined $head) {
next;
}
$ENV{'GIT_DIR'} = "$projectroot/$proj{'path'}";
$git_dir = "$projectroot/$proj{'path'}";
my %co = parse_commit($head);
if (!%co) {
next;