better error msgs from check_not_dirty

[dgit.git] / dgit

diff --git a/dgit b/dgit
index c27e94f5c9158eff05b5a3c5515a13cfa1b77971..b3a4e9b7fc10252debef9133c3010f6be52ac498 100755 (executable)
--- a/dgit
+++ b/dgit
@@ -28,6 +28,7 @@ use Dpkg::Version;
 use POSIX;
 
 our $isuite = 'unstable';
+our $idistro;
 our $package;
 
 our $sign = 1;
@@ -42,7 +43,7 @@ our (@git) = qw(git);
 our (@dget) = qw(dget);
 our (@dput) = qw(dput);
 our (@debsign) = qw(debsign);
-our (@sbuild) = qw(sbuild);
+our (@sbuild) = qw(sbuild -A);
 our (@dpkgbuildpackage) = qw(dpkg-buildpackage -i\.git/ -I.git);
 our (@mergechanges) = qw(mergechanges -f);
 
@@ -71,7 +72,7 @@ sub lrref () { return "refs/remotes/$remotename/$csuite"; }
 sub rrref () { return "refs/$branchprefix/$csuite"; }
 sub debiantag ($) { return "debian/$_[0]"; }
 
-sub dscfn ($) { return "${package}_${1}.dsc"; }
+sub dscfn ($) { return "${package}_$_[0].dsc"; }
 
 our $us = 'dgit';
 
@@ -246,7 +247,7 @@ sub access_distro () {
 
 sub access_cfg (@) {
     my (@keys) = @_;
-    my $distro = access_distro();
+    my $distro = $idistro || access_distro();
     my $value = cfg(map { ("dgit-distro.$distro.$_",
                           "dgit.default.$_") } @keys);
     return $value;
@@ -276,13 +277,16 @@ sub access_giturl () {
 
 sub parsecontrolfh ($$@) {
     my ($fh, $desc, @opts) = @_;
-    my $c = Dpkg::Control::Hash->new({ 'name' => $desc, @opts });
+    my %opts = ('name' => $desc, @opts);
+    my $c = Dpkg::Control::Hash->new(%opts);
     $c->parse($fh) or die "parsing of $desc failed";
+    return $c;
 }
 
 sub parsecontrol {
     my ($file, $desc) = @_;
-    my $fh = new IO::File '<', $file or die "$file: $!";
+    my $fh = new IO::Handle;
+    open $fh, '<', $file or die "$file: $!";
     my $c = parsecontrolfh($fh,$desc);
     $fh->error and die $!;
     close $fh;
@@ -473,7 +477,9 @@ sub mktree_in_ud_from_only_subdir () {
 
 sub dsc_files () {
     my $field = $dsc->{'Checksums-Sha256'} || $dsc->{Files};
-    fail "missing both Checksums-Sha256 and Files in ".$dsc->get_option('name');
+    defined $field or
+       fail "missing both Checksums-Sha256 and Files in ".
+       $dsc->get_option('name');
     map {
        m/^\w+ \d+ (\S+)$/ or
            fail "could not parse .dsc Files/Checksums line \`$_'";
@@ -632,7 +638,7 @@ sub fetch_from_archive () {
     } else {
        die "$lrref_fn $!";
     }
-    print DEBUG "previous reference hash $upload_hash\n";
+    print DEBUG "previous reference hash=$upload_hash\n";
     my $hash;
     if (defined $dsc_hash) {
        fail "missing git history even though dsc has hash -".
@@ -644,7 +650,7 @@ sub fetch_from_archive () {
     } else {
        $hash = generate_commit_from_dsc();
     }
-    print DEBUG "current hash $hash\n";
+    print DEBUG "current hash=$hash\n";
     if ($upload_hash) {
        fail "not fast forward on last upload branch!".
            " (archive's version left in DGIT_ARCHIVE)"
@@ -701,7 +707,15 @@ sub pull () {
 }
 
 sub check_not_dirty () {
-    runcmd @git, qw(diff --quiet HEAD);
+    my @cmd = (@git, qw(diff --quiet HEAD));
+    printcmd(\*DEBUG,"+",@cmd) if $debug>0;
+    $!=0; $?=0; system @cmd;
+    return if !$! && !$?;
+    if (!$! && $?==256) {
+       fail "working tree is dirty (does not match HEAD)";
+    } else {
+       failedcmd @cmd;
+    }
 }
 
 sub commit_quilty_patch ($) {
@@ -772,15 +786,16 @@ sub dopush () {
     $dsc->{$ourdscfield} = rev_parse('HEAD');
     $dsc->save("../$dscfn.tmp") or die $!;
     if (!$changesfile) {
-       my $multi = "${package}_${cversion}_multi.changes";
-       if (stat $multi) {
+       my $multi = "../${package}_${cversion}_multi.changes";
+       if (stat "$multi") {
            $changesfile = $multi;
        } else {
            $!==&ENOENT or die "$multi: $!";
            my $pat = "${package}_${cversion}_*.changes";
            my @cs = glob "../$pat";
            fail "failed to find unique changes file".
-               " (looked for $pat in ..); perhaps you need to use dgit -C"
+               " (looked for $pat in .., or $multi);".
+               " perhaps you need to use dgit -C"
                unless @cs==1;
            ($changesfile) = @cs;
        }
@@ -913,7 +928,7 @@ sub cmd_build {
        push @cmd, "--git-debian-branch=".lbranch();
     }
     runcmd_ordryrun @cmd, @ARGV;
-    print "build successful\n";
+    printdone "build successful\n";
 }
 
 sub cmd_sbuild {
@@ -921,23 +936,28 @@ sub cmd_sbuild {
     badusage "-p is not allowed with dgit sbuild" if defined $package;
     my $clogp = parsechangelog();
     $package = getfield $clogp, 'Source';
+    my $isuite = getfield $clogp, 'Distribution';
     my $version = getfield $clogp, 'Version';
-    runcmd (@dpkgbuildpackage, qw(-us -uc -S));
+    runcmd_ordryrun (@dpkgbuildpackage, qw(-us -uc -S));
     chdir ".." or die $!;
     my $sourcechanges = "${package}_${version}_source.changes";
     my $dscfn = dscfn($version);
-    stat "../$dscfn" or fail "$dscfn (in parent directory): $!";
-    stat "../$sourcechanges" or fail "$sourcechanges (in parent directory): $!";
     my $pat = "${package}_${version}_*.changes";
-    foreach my $cf (glob $pat) {
-       next if $cf eq $sourcechanges;
-       unlink $cf or fail "remove $cf: $!";
+    if (!$dryrun) {
+       stat $dscfn or fail "$dscfn (in parent directory): $!";
+       stat $sourcechanges or fail "$sourcechanges (in parent directory): $!";
+       foreach my $cf (glob $pat) {
+           next if $cf eq $sourcechanges;
+           unlink $cf or fail "remove $cf: $!";
+       }
     }
-    runcmd @sbuild, @ARGV, $sourcechanges;
-    runcmd @mergechanges, glob $pat;
+    runcmd_ordryrun @sbuild, @ARGV, qw(-d), $isuite, $dscfn;
+    runcmd_ordryrun @mergechanges, glob $pat;
     my $multichanges = "${package}_${version}_multi.changes";
-    stat $multichanges or fail "$multichanges: $!";
-    print "build successful, results in $multichanges\n" or die $!;
+    if (!$dryrun) {
+       stat $multichanges or fail "$multichanges: $!";
+    }
+    printdone "build successful, results in $multichanges\n" or die $!;
 }    
 
 sub cmd_quilt_fixup {
@@ -967,6 +987,8 @@ sub parseopts () {
                push @$om, $2;
            } elsif (m/^--existing-package=(.*)/s) {
                $existing_package = $1;
+           } elsif (m/^--distro=(.*)/s) {
+               $idistro = $1;
            } else {
                badusage "unknown long option \`$_'";
            }
@@ -983,6 +1005,8 @@ sub parseopts () {
                    $new_package=1;
                } elsif (s/^-c(.*=.*)//s) {
                    push @git, '-c', $1;
+               } elsif (s/^-d(.*)//s) {
+                   $idistro = $1;
                } elsif (s/^-C(.*)//s) {
                    $changesfile = $1;
                } elsif (s/^-k(.*)//s) {