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archimport: add -D <depth> and -a switch

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add -D <depth> option to abrowse add -a switch to attempt to
auto-register archives at mirrors.sourcecontrol.net

(ML: Also removes some std libraries no longer in use)

Signed-off-by: Eric Wong <normalperson@yhbt.net>
Signed-off-by: Martin Langhoff <martin@catalyst.net.nz>
This commit is contained in:
Eric Wong 2005-11-23 23:52:43 -08:00 committed by Martin Langhoff
parent 1136fb5284
commit 42f44b08bc
1 changed files with 138 additions and 93 deletions
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231
git-archimport.perl
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@ -53,14 +53,9 @@ and can contain multiple, unrelated branches.
use strict;
use warnings;
use Getopt::Std;
use File::Spec;
use File::Temp qw(tempfile tempdir);
use File::Temp qw(tempdir);
use File::Path qw(mkpath rmtree);
use File::Basename qw(basename dirname);
use Time::Local;
use IO::Socket;
use IO::Pipe;
use POSIX qw(strftime dup2);
use Data::Dumper qw/ Dumper /;
use IPC::Open2;
@ -71,27 +66,33 @@ my $git_dir = $ENV{"GIT_DIR"} || ".git";
$ENV{"GIT_DIR"} = $git_dir;
my $ptag_dir = "$git_dir/archimport/tags";
our($opt_h,$opt_v, $opt_T,$opt_t,$opt_o);
our($opt_h,$opt_v,$opt_T,$opt_t,$opt_D,$opt_a,$opt_o);
sub usage() {
print STDERR <<END;
Usage: ${\basename $0} # fetch/update GIT from Arch
[ -o ] [ -h ] [ -v ] [ -T ] [ -t tempdir ]
[ -o ] [ -h ] [ -v ] [ -T ] [ -a ] [ -D depth ] [ -t tempdir ]
repository/arch-branch [ repository/arch-branch] ...
END
exit(1);
}
getopts("Thvt:") or usage();
getopts("Thvat:D:") or usage();
usage if $opt_h;
@ARGV >= 1 or usage();
my @arch_roots = @ARGV;
# $arch_branches:
# values associated with keys:
# =1 - Arch version / git 'branch' detected via abrowse on a limit
# >1 - Arch version / git 'branch' of an auxilliary branch we've merged
my %arch_branches = map { $_ => 1 } @ARGV;
$ENV{'TMPDIR'} = $opt_t if $opt_t; # $ENV{TMPDIR} will affect tempdir() calls:
my $tmp = tempdir('git-archimport-XXXXXX', TMPDIR => 1, CLEANUP => 1);
$opt_v && print "+ Using $tmp as temporary directory\n";
my %reachable = (); # Arch repositories we can access
my %unreachable = (); # Arch repositories we can't access :<
my @psets = (); # the collection
my %psets = (); # the collection, by name
@ -99,96 +100,112 @@ my %rptags = (); # my reverse private tags
# to map a SHA1 to a commitid
my $TLA = $ENV{'ARCH_CLIENT'} || 'tla';
foreach my $root (@arch_roots) {
my ($arepo, $abranch) = split(m!/!, $root);
open ABROWSE, "tla abrowse -f -A $arepo --desc --merges $abranch |"
or die "Problems with tla abrowse: $!";
my %ps = (); # the current one
my $mode = '';
my $lastseen = '';
while (<ABROWSE>) {
chomp;
sub do_abrowse {
my $stage = shift;
while (my ($limit, $level) = each %arch_branches) {
next unless $level == $stage;
# first record padded w 8 spaces
if (s/^\s{8}\b//) {
open ABROWSE, "$TLA abrowse -fkD --merges $limit |"
or die "Problems with tla abrowse: $!";
my %ps = (); # the current one
my $lastseen = '';
while (<ABROWSE>) {
chomp;
# store the record we just captured
if (%ps) {
my %temp = %ps; # break references
push (@psets, \%temp);
$psets{$temp{id}} = \%temp;
%ps = ();
}
my ($id, $type) = split(m/\s{3}/, $_);
$ps{id} = $id;
$ps{repo} = $arepo;
# first record padded w 8 spaces
if (s/^\s{8}\b//) {
my ($id, $type) = split(m/\s+/, $_, 2);
# deal with types
if ($type =~ m/^\(simple changeset\)/) {
$ps{type} = 's';
} elsif ($type eq '(initial import)') {
$ps{type} = 'i';
} elsif ($type =~ m/^\(tag revision of (.+)\)/) {
$ps{type} = 't';
$ps{tag} = $1;
} else {
warn "Unknown type $type";
}
$lastseen = 'id';
}
if (s/^\s{10}//) {
# 10 leading spaces or more
# indicate commit metadata
# date & author
if ($lastseen eq 'id' && m/^\d{4}-\d{2}-\d{2}/) {
my ($date, $authoremail) = split(m/\s{2,}/, $_);
$ps{date} = $date;
$ps{date} =~ s/\bGMT$//; # strip off trailign GMT
if ($ps{date} =~ m/\b\w+$/) {
warn 'Arch dates not in GMT?! - imported dates will be wrong';
my %last_ps;
# store the record we just captured
if (%ps && !exists $psets{ $ps{id} }) {
%last_ps = %ps; # break references
push (@psets, \%last_ps);
$psets{ $last_ps{id} } = \%last_ps;
}
$authoremail =~ m/^(.+)\s(\S+)$/;
$ps{author} = $1;
$ps{email} = $2;
$lastseen = 'date';
} elsif ($lastseen eq 'date') {
# the only hint is position
# subject is after date
$ps{subj} = $_;
$lastseen = 'subj';
} elsif ($lastseen eq 'subj' && $_ eq 'merges in:') {
$ps{merges} = [];
$lastseen = 'merges';
} elsif ($lastseen eq 'merges' && s/^\s{2}//) {
push (@{$ps{merges}}, $_);
} else {
warn 'more metadata after merges!?';
}
}
}
my $branch = extract_versionname($id);
%ps = ( id => $id, branch => $branch );
if (%last_ps && ($last_ps{branch} eq $branch)) {
$ps{parent_id} = $last_ps{id};
}
$arch_branches{$branch} = 1;
$lastseen = 'id';
if (%ps) {
my %temp = %ps; # break references
push (@psets, \%temp);
$psets{ $temp{id} } = \%temp;
%ps = ();
}
close ABROWSE;
# deal with types (should work with baz or tla):
if ($type =~ m/\(.*changeset\)/) {
$ps{type} = 's';
} elsif ($type =~ /\(.*import\)/) {
$ps{type} = 'i';
} elsif ($type =~ m/\(tag.*\)/) {
$ps{type} = 't';
# read which revision we've tagged when we parse the log
#$ps{tag} = $1;
} else {
warn "Unknown type $type";
}
$arch_branches{$branch} = 1;
$lastseen = 'id';
} elsif (s/^\s{10}//) {
# 10 leading spaces or more
# indicate commit metadata
# date
if ($lastseen eq 'id' && m/^(\d{4}-\d\d-\d\d \d\d:\d\d:\d\d)/){
$ps{date} = $1;
$lastseen = 'date';
} elsif ($_ eq 'merges in:') {
$ps{merges} = [];
$lastseen = 'merges';
} elsif ($lastseen eq 'merges' && s/^\s{2}//) {
my $id = $_;
push (@{$ps{merges}}, $id);
# aggressive branch finding:
if ($opt_D) {
my $branch = extract_versionname($id);
my $repo = extract_reponame($branch);
if (archive_reachable($repo) &&
!defined $arch_branches{$branch}) {
$arch_branches{$branch} = $stage + 1;
}
}
} else {
warn "more metadata after merges!?: $_\n" unless /^\s*$/;
}
}
}
if (%ps && !exists $psets{ $ps{id} }) {
my %temp = %ps; # break references
if (@psets && $psets[$#psets]{branch} eq $ps{branch}) {
$temp{parent_id} = $psets[$#psets]{id};
}
push (@psets, \%temp);
$psets{ $temp{id} } = \%temp;
}
close ABROWSE or die "$TLA abrowse failed on $limit\n";
}
} # end foreach $root
do_abrowse(1);
my $depth = 2;
$opt_D ||= 0;
while ($depth <= $opt_D) {
do_abrowse($depth);
$depth++;
}
## Order patches by time
# FIXME see if we can find a more optimal way to do this by graphing
# the ancestry data and walking it, that way we won't have to rely on
# client-supplied dates
@psets = sort {$a->{date}.$b->{id} cmp $b->{date}.$b->{id}} @psets;
#print Dumper \@psets;
@ -209,7 +226,7 @@ unless (-d $git_dir) { # initial import
}
} else { # progressing an import
# load the rptags
opendir(DIR, "$git_dir/archimport/tags")
opendir(DIR, $ptag_dir)
|| die "can't opendir: $!";
while (my $file = readdir(DIR)) {
# skip non-interesting-files
@ -829,6 +846,7 @@ sub find_parents {
}
}
}
@parents = ();
foreach (keys %parents) {
push @parents, '-p', ptag($_);
@ -856,6 +874,7 @@ sub commitid2pset {
return $ps;
}
# an alterative to `command` that allows input to be passed as an array
# to work around shell problems with weird characters in arguments
sub safe_pipe_capture {
@ -869,4 +888,30 @@ sub safe_pipe_capture {
return wantarray ? @output : join('',@output);
}
# `tla logs -rf -d <dir> | head -n1` or `baz tree-id <dir>`
sub arch_tree_id {
my $dir = shift;
chomp( my $ret = (safe_pipe_capture($TLA,'logs','-rf','-d',$dir))[0] );
return $ret;
}
sub archive_reachable {
my $archive = shift;
return 1 if $reachable{$archive};
return 0 if $unreachable{$archive};
if (system "$TLA whereis-archive $archive >/dev/null") {
if ($opt_a && (system($TLA,'register-archive',
"http://mirrors.sourcecontrol.net/$archive") == 0)) {
$reachable{$archive} = 1;
return 1;
}
print STDERR "Archive is unreachable: $archive\n";
$unreachable{$archive} = 1;
return 0;
} else {
$reachable{$archive} = 1;
return 1;
}
}