X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=dgit.git;a=blobdiff_plain;f=dgit;h=5fa500c65cc7ff2393d0ceb6fdce458b52446954;hp=f1f952ac3b179d45ac2bd9f647c4a545df8391ea;hb=37913654d58e03354aa4d5a6aa5afb9c5aeca6b7;hpb=f8508800a705c85c0894de5ee7107905166a28ee

diff --git a/dgit b/dgit
index f1f952ac..5fa500c6 100755
--- a/dgit
+++ b/dgit
@@ -73,6 +73,8 @@ our $tagformat_want;
 our $tagformat;
 our $tagformatfn;
 
+our %forceopts = map { $_=>0 } qw(unrepresentable);
+
 our %format_ok = map { $_=>1 } ("1.0","3.0 (native)","3.0 (quilt)");
 
 our $suite_re = '[-+.0-9a-z]+';
@@ -222,6 +224,12 @@ END {
 
 sub badcfg { print STDERR "$us: invalid configuration: @_\n"; exit 12; }
 
+sub forceable_fail ($$) {
+    my ($forceoptsl, $msg) = @_;
+    fail $msg unless grep { $forceopts{$_} } @$forceoptsl;
+    print STDERR "warning: overriding problem due to --force:\n". $msg;
+}
+
 sub no_such_package () {
     print STDERR "$us: package $package does not exist in suite $isuite\n";
     exit 4;
@@ -955,7 +963,7 @@ sub pool_dsc_subpath ($$) {
 
 sub archive_api_query_cmd ($) {
     my ($subpath) = @_;
-    my @cmd = qw(curl -sS);
+    my @cmd = (@curl, qw(-sS));
     my $url = access_cfg('archive-query-url');
     if ($url =~ m#^https://([-.0-9a-z]+)/#) {
 	my $host = $1;
@@ -989,7 +997,16 @@ sub api_query ($$) {
     badcfg "ftpmasterapi archive query method takes no data part"
 	if length $data;
     my @cmd = archive_api_query_cmd($subpath);
+    my $url = $cmd[$#cmd];
+    push @cmd, qw(-w %{http_code});
     my $json = cmdoutput @cmd;
+    unless ($json =~ s/\d+\d+\d$//) {
+	failedcmd_report_cmd undef, @cmd;
+	fail "curl failed to print 3-digit HTTP code";
+    }
+    my $code = $&;
+    fail "fetch of $url gave HTTP code $code"
+	unless $url =~ m#^file://# or $code =~ m/^2/;
     return decode_json($json);
 }
 
@@ -1321,7 +1338,7 @@ sub check_for_git () {
 	my $suffix = access_cfg('git-check-suffix','git-suffix',
 				'RETURN-UNDEF') // '.git';
 	my $url = "$prefix/$package$suffix";
-	my @cmd = (qw(curl -sS -I), $url);
+	my @cmd = (@curl, qw(-sS -I), $url);
 	my $result = cmdoutput @cmd;
 	$result =~ s/^\S+ 200 .*\n\r?\n//;
 	# curl -sS -I with https_proxy prints
@@ -4596,7 +4613,7 @@ END
     if (@unrepres) {
 	print STDERR "dgit:  cannot represent change: $_->[1]: $_->[0]\n"
 	    foreach @unrepres;
-	fail <<END;
+	forceable_fail [qw(unrepresentable)], <<END;
 HEAD has changes to .orig[s] which are not representable by `3.0 (quilt)'
 END
     }
@@ -5010,6 +5027,7 @@ sub cmd_archive_api_query {
     badusage "need only 1 subpath argument" unless @ARGV==1;
     my ($subpath) = @ARGV;
     my @cmd = archive_api_query_cmd($subpath);
+    push @cmd, qw(-f);
     debugcmd ">",@cmd;
     exec @cmd or fail "exec curl: $!\n";
 }
@@ -5166,6 +5184,10 @@ sub parseopts () {
 	    } elsif (m/^--deliberately-($deliberately_re)$/s) {
 		push @ropts, $_;
 		push @deliberatelies, $&;
+	    } elsif (m/^--force-(.*)/ && defined $forceopts{$1}) {
+		push @ropts, $&;
+		$forceopts{$1} = 1;
+		$_='';
 	    } elsif (m/^--dgit-tag-format=(old|new)$/s) {
 		# undocumented, for testing
 		push @ropts, $_;