use Dpkg::Version;
use POSIX;
+our $our_version = 'UNRELEASED'; ###substituted###
+
our $isuite = 'unstable';
our $idistro;
our $package;
our $debug = 0;
open DEBUG, ">/dev/null" or die $!;
+autoflush STDOUT 1;
+
our $remotename = 'dgit';
our @ourdscfield = qw(Dgit Vcs-Dgit-Master);
our $branchprefix = 'dgit';
return $r->decoded_content();
}
-our ($dscdata,$dscurl,$dsc);
+our ($dscdata,$dscurl,$dsc,$skew_warning_vsn);
sub printcmd {
my $fh = shift @_;
}
}
+sub runcmd_ordryrun_local {
+ if ($dryrun <= 1) {
+ runcmd @_;
+ } else {
+ dryrun_report @_;
+ }
+}
+
+sub shell_cmd {
+ my ($first_shell, @cmd) = @_;
+ return qw(sh -ec), $first_shell.'; exec "$@"', 'x', @cmd;
+}
+
our $helpmsg = <<END;
main usages:
dgit [dgit-opts] clone [dgit-opts] package [suite] [./dir|/dir]
important dgit options:
-k<keyid> sign tag and package with <keyid> instead of default
--dry-run -n do not change anything, but go through the motions
+ --damp-run -L like --dry-run but make local changes, without signing
--new -N allow introducing a new package
--debug -D increase debug level
-c<name>=<value> set git config option (used directly by dgit too)
sub parsechangelog {
my $c = Dpkg::Control::Hash->new();
my $p = new IO::Handle;
- my @cmd = (qw(dpkg-parsechangelog));
+ my @cmd = (qw(dpkg-parsechangelog), @_);
open $p, '-|', @cmd or die $!;
$c->parse($p);
$?=0; $!=0; close $p or failedcmd @cmd;
return $c;
}
+sub git_get_ref ($) {
+ my ($refname) = @_;
+ my $got = cmdoutput_errok @git, qw(show-ref --), $refname;
+ if (!defined $got) {
+ $?==256 or fail "git show-ref failed (status $?)";
+ print DEBUG "ref $refname= [show-ref exited 1]\n";
+ return '';
+ }
+ if ($got =~ m/^(\w+) \Q$refname\E$/m) {
+ print DEBUG "ref $refname=$1\n";
+ return $1;
+ } else {
+ print DEBUG "ref $refname= [no match]\n";
+ return '';
+ }
+}
+
our %rmad;
sub archive_query ($) {
my ($vsn,$subpath) = @$vinfo;
$dscurl = access_cfg('mirror').$subpath;
$dscdata = url_get($dscurl);
- next unless defined $dscdata;
+ if (!$dscdata) {
+ $skew_warning_vsn = $vsn if !defined $skew_warning_vsn;
+ next;
+ }
my $dscfh = new IO::File \$dscdata, '<' or die $!;
print DEBUG Dumper($dscdata) if $debug>1;
$dsc = parsecontrolfh($dscfh,$dscurl, allow_pgp=>1);
print DEBUG Dumper($dsc) if $debug>1;
my $fmt = getfield $dsc, 'Format';
fail "unsupported source format $fmt, sorry" unless $format_ok{$fmt};
- return $dsc;
+ return;
}
- return undef;
+ $dsc = undef;
}
sub check_for_git () {
}
}
-our ($dsc_hash,$upload_hash);
+our ($dsc_hash,$lastpush_hash);
our $ud = '.git/dgit/unpack';
my $outputhash = make_commit qw(../commit.tmp);
my $cversion = getfield $clogp, 'Version';
print "synthesised git commit from .dsc $cversion\n";
- if ($upload_hash) {
- runcmd @git, qw(reset --hard), $upload_hash;
+ if ($lastpush_hash) {
+ runcmd @git, qw(reset --hard), $lastpush_hash;
runcmd qw(sh -ec), 'dpkg-parsechangelog >>../changelogold.tmp';
my $oldclogp = parsecontrol('../changelogold.tmp','previous changelog');
my $oversion = getfield $oldclogp, 'Version';
open C, ">../commit2.tmp" or die $!;
print C <<END or die $!;
tree $tree
-parent $upload_hash
+parent $lastpush_hash
parent $outputhash
author $authline
committer $authline
Last allegedly pushed/uploaded: $oversion (newer or same)
$later_warning_msg
END
- $outputhash = $upload_hash;
+ $outputhash = $lastpush_hash;
} else {
- $outputhash = $upload_hash;
+ $outputhash = $lastpush_hash;
}
}
chdir '../../../..' or die $!;
$origurl .= "/$f";
die "$f ?" unless $f =~ m/^${package}_/;
die "$f ?" if $f =~ m#/#;
- runcmd_ordryrun qw(sh -ec),'cd ..; exec "$@"','x',
- @dget,'--',$origurl;
+ runcmd_ordryrun_local shell_cmd 'cd ..', @dget,'--',$origurl;
}
}
}
sub git_fetch_us () {
- runcmd_ordryrun @git, qw(fetch),access_giturl(),fetchspec();
+ runcmd_ordryrun_local @git, qw(fetch),access_giturl(),fetchspec();
}
sub fetch_from_archive () {
# ensures that lrref() is what is actually in the archive,
# one way or another
- get_archive_dsc() or return 0;
- foreach my $field (@ourdscfield) {
- $dsc_hash = $dsc->{$field};
- last if defined $dsc_hash;
- }
- if (defined $dsc_hash) {
- $dsc_hash =~ m/\w+/ or fail "invalid hash in .dsc \`$dsc_hash'";
- $dsc_hash = $&;
- print "last upload to archive specified git hash\n";
- } else {
- print "last upload to archive has NO git hash\n";
- }
+ get_archive_dsc();
- my $lrref_fn = ".git/".lrref();
- if (open H, $lrref_fn) {
- $upload_hash = <H>;
- chomp $upload_hash;
- die "$lrref_fn $upload_hash ?" unless $upload_hash =~ m/^\w+$/;
- } elsif ($! == &ENOENT) {
- $upload_hash = '';
+ if ($dsc) {
+ foreach my $field (@ourdscfield) {
+ $dsc_hash = $dsc->{$field};
+ last if defined $dsc_hash;
+ }
+ if (defined $dsc_hash) {
+ $dsc_hash =~ m/\w+/ or fail "invalid hash in .dsc \`$dsc_hash'";
+ $dsc_hash = $&;
+ print "last upload to archive specified git hash\n";
+ } else {
+ print "last upload to archive has NO git hash\n";
+ }
} else {
- die "$lrref_fn $!";
+ print "no version available from the archive\n";
}
- print DEBUG "previous reference hash=$upload_hash\n";
+
+ $lastpush_hash = git_get_ref(lrref());
+ print DEBUG "previous reference hash=$lastpush_hash\n";
my $hash;
if (defined $dsc_hash) {
- fail "missing git history even though dsc has hash -".
- " could not find commit $dsc_hash".
- " (should be in ".access_giturl()."#".rrref().")"
- unless $upload_hash;
+ fail "missing remote git history even though dsc has hash -".
+ " could not find ref ".lrref().
+ " (should have been fetched from ".access_giturl()."#".rrref().")"
+ unless $lastpush_hash;
$hash = $dsc_hash;
ensure_we_have_orig();
- if ($dsc_hash eq $upload_hash) {
- } elsif (is_fast_fwd($dsc_hash,$upload_hash)) {
+ if ($dsc_hash eq $lastpush_hash) {
+ } elsif (is_fast_fwd($dsc_hash,$lastpush_hash)) {
print STDERR <<END or die $!;
Git commit in archive is behind the last version allegedly pushed/uploaded.
Commit referred to by archive: $dsc_hash
-Last allegedly pushed/uploaded: $upload_hash
+Last allegedly pushed/uploaded: $lastpush_hash
$later_warning_msg
END
- $hash = $upload_hash;
+ $hash = $lastpush_hash;
} else {
fail "archive's .dsc refers to ".$dsc_hash.
- " but this is an ancestor of ".$upload_hash;
+ " but this is an ancestor of ".$lastpush_hash;
}
- } else {
+ } elsif ($dsc) {
$hash = generate_commit_from_dsc();
+ } elsif ($lastpush_hash) {
+ # only in git, not in the archive yet
+ $hash = $lastpush_hash;
+ print STDERR <<END or die $!;
+
+Package not found in the archive, but has allegedly been pushed using dgit.
+$later_warning_msg
+END
+ } else {
+ print DEBUG "nothing found!\n";
+ if (defined $skew_warning_vsn) {
+ print STDERR <<END or die $!;
+
+Warning: relevant archive skew detected.
+Archive allegedly contains $skew_warning_vsn
+But we were not able to obtain any version from the archive or git.
+
+END
+ }
+ return 0;
}
print DEBUG "current hash=$hash\n";
- if ($upload_hash) {
+ if ($lastpush_hash) {
fail "not fast forward on last upload branch!".
" (archive's version left in DGIT_ARCHIVE)"
- unless is_fast_fwd($upload_hash, $hash);
+ unless is_fast_fwd($lastpush_hash, $hash);
}
- if ($upload_hash ne $hash) {
+ if (defined $skew_warning_vsn) {
+ mkpath '.git/dgit';
+ print DEBUG "SKEW CHECK WANT $skew_warning_vsn\n";
+ my $clogf = ".git/dgit/changelog.tmp";
+ runcmd shell_cmd "exec >$clogf",
+ @git, qw(cat-file blob), "$hash:debian/changelog";
+ my $gotclogp = parsechangelog("-l$clogf");
+ my $got_vsn = getfield $gotclogp, 'Version';
+ print DEBUG "SKEW CHECK GOT $got_vsn\n";
+ if (version_compare_string($got_vsn, $skew_warning_vsn) < 0) {
+ print STDERR <<END or die $!;
+
+Warning: archive skew detected. Using the available version:
+Archive allegedly contains $skew_warning_vsn
+We were able to obtain only $got_vsn
+
+END
+ }
+ }
+ if ($lastpush_hash ne $hash) {
my @upd_cmd = (@git, qw(update-ref -m), 'dgit fetch', lrref(), $hash);
- if (!$dryrun) {
+ if ($dryrun <= 1) {
cmdoutput @upd_cmd;
} else {
dryrun_report @upd_cmd;
sub clone ($) {
my ($dstdir) = @_;
canonicalise_suite();
- badusage "dry run makes no sense with clone" if $dryrun;
+ badusage "dry run makes no sense with clone" if $dryrun > 1;
mkdir $dstdir or die "$dstdir $!";
chdir "$dstdir" or die "$dstdir $!";
runcmd @git, qw(init -q);
if (check_for_git()) {
print "fetching existing git history\n";
git_fetch_us();
- runcmd_ordryrun @git, qw(fetch origin);
+ runcmd_ordryrun_local @git, qw(fetch origin);
} else {
print "starting new git history\n";
}
sub pull () {
fetch();
- runcmd_ordryrun @git, qw(merge -m),"Merge from $csuite [dgit]",
+ runcmd_ordryrun_local @git, qw(merge -m),"Merge from $csuite [dgit]",
lrref();
printdone "fetched to ".lrref()." and merged into HEAD";
}
sub commit_quilty_patch () {
my $output = cmdoutput @git, qw(status --porcelain);
my %adds;
- my $bad=0;
foreach my $l (split /\n/, $output) {
next unless $l =~ m/\S/;
if ($l =~ m{^(?:\?\?| M) (.pc|debian/patches)}) {
$adds{$1}++;
- } else {
- print STDERR "git status: $l\n";
- $bad++;
}
}
- fail "unexpected output from git status (is tree clean?)" if $bad;
if (!%adds) {
print "nothing quilty to commit, ok.\n";
return;
}
- runcmd_ordryrun @git, qw(add), sort keys %adds;
+ runcmd_ordryrun_local @git, qw(add), sort keys %adds;
my $m = "Commit Debian 3.0 (quilt) metadata";
print "$m\n";
- runcmd_ordryrun @git, qw(commit -m), $m;
+ runcmd_ordryrun_local @git, qw(commit -m), $m;
}
sub madformat ($) {
if (!defined $keyid) {
$keyid = access_cfg('keyid','RETURN-UNDEF');
}
- my @tag_cmd = (@git, qw(tag -s -m),
+ my @tag_cmd = (@git, qw(tag -m),
"$package release $dversion for $csuite [dgit]");
- push @tag_cmd, qw(-u),$keyid if defined $keyid;
+ if ($dryrun != 1) {
+ push @tag_cmd, qw(-s);
+ push @tag_cmd, qw(-u),$keyid if defined $keyid;
+ }
push @tag_cmd, $tag;
- runcmd_ordryrun @tag_cmd;
+ runcmd_ordryrun_local @tag_cmd;
my @debsign_cmd = @debsign;
push @debsign_cmd, "-k$keyid" if defined $keyid;
push @debsign_cmd, $changesfile;
local $ENV{'EDITOR'} = cmdoutput qw(realpath --), $0;
local $ENV{'VISUAL'} = $ENV{'EDITOR'};
local $ENV{$fakeeditorenv} = cmdoutput qw(realpath --), $descfn;
- runcmd_ordryrun @dpkgsource, qw(--commit .), $patchname;
+ runcmd_ordryrun_local @dpkgsource, qw(--commit .), $patchname;
}
if (!open P, '>>', ".pc/applied-patches") {
badusage "dgit build implies --clean=dpkg-source"
if $cleanmode ne 'dpkg-source';
build_prep();
- runcmd_ordryrun @dpkgbuildpackage, qw(-us -uc), changesopts(), @ARGV;
+ runcmd_ordryrun_local @dpkgbuildpackage, qw(-us -uc), changesopts(), @ARGV;
printdone "build successful\n";
}
push @cmd, "--git-debian-branch=".lbranch();
}
push @cmd, changesopts();
- runcmd_ordryrun @cmd, @ARGV;
+ runcmd_ordryrun_local @cmd, @ARGV;
printdone "build successful\n";
}
$sourcechanges = "${package}_".(stripepoch $version)."_source.changes";
$dscfn = dscfn($version);
if ($cleanmode eq 'dpkg-source') {
- runcmd_ordryrun (@dpkgbuildpackage, qw(-us -uc -S)), changesopts();
+ runcmd_ordryrun_local (@dpkgbuildpackage, qw(-us -uc -S)),
+ changesopts();
} else {
if ($cleanmode eq 'git') {
- runcmd_ordryrun @git, qw(clean -xdf);
+ runcmd_ordryrun_local @git, qw(clean -xdf);
} elsif ($cleanmode eq 'none') {
} else {
die "$cleanmode ?";
my $pwd = cmdoutput qw(env - pwd);
my $leafdir = basename $pwd;
chdir ".." or die $!;
- runcmd_ordryrun @dpkgsource, qw(-b --), $leafdir;
+ runcmd_ordryrun_local @dpkgsource, qw(-b --), $leafdir;
chdir $pwd or die $!;
- runcmd_ordryrun qw(sh -ec),
+ runcmd_ordryrun_local qw(sh -ec),
'exec >$1; shift; exec "$@"','x',
"../$sourcechanges",
@dpkggenchanges, qw(-S), changesopts();
build_source();
chdir ".." or die $!;
my $pat = "${package}_".(stripepoch $version)."_*.changes";
- if (!$dryrun) {
+ if ($dryrun <= 1) {
stat $dscfn or fail "$dscfn (in parent directory): $!";
stat $sourcechanges or fail "$sourcechanges (in parent directory): $!";
foreach my $cf (glob $pat) {
runcmd_ordryrun @sbuild, @ARGV, qw(-d), $isuite, $dscfn;
runcmd_ordryrun @mergechanges, glob $pat;
my $multichanges = "${package}_".(stripepoch $version)."_multi.changes";
- if (!$dryrun) {
+ if ($dryrun <= 1) {
stat $multichanges or fail "$multichanges: $!";
}
printdone "build successful, results in $multichanges\n" or die $!;
build_maybe_quilt_fixup();
}
+sub cmd_version {
+ print "dgit version $our_version\n" or die $!;
+ exit 0;
+}
+
sub parseopts () {
my $om;
while (@ARGV) {
last if m/^--?$/;
if (m/^--/) {
if (m/^--dry-run$/) {
+ $dryrun=2;
+ } elsif (m/^--damp-run$/) {
$dryrun=1;
} elsif (m/^--no-sign$/) {
$sign=0;
} elsif (m/^--help$/) {
cmd_help();
+ } elsif (m/^--version$/) {
+ cmd_version();
} elsif (m/^--new$/) {
$new_package=1;
} elsif (m/^--(\w+)=(.*)/s &&
} else {
while (m/^-./s) {
if (s/^-n/-/) {
+ $dryrun=2;
+ } elsif (s/^-L/-/) {
$dryrun=1;
} elsif (s/^-h/-/) {
cmd_help();
delete $ENV{'DGET_UNPACK'};
parseopts();
-print STDERR "DRY RUN ONLY\n" if $dryrun;
+print STDERR "DRY RUN ONLY\n" if $dryrun > 1;
+print STDERR "DAMP RUN - WILL MAKE LOCAL (UNSIGNED) CHANGES\n" if $dryrun == 1;
if (!@ARGV) {
print STDERR $helpmsg or die $!;
exit 8;