dgit: --force-*: Provide framework

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/dgit b/dgit
index ae07145cb1e58d818d4a232a72cdf8c5737bf705..33306dade1b87c45c507964eb7199333946cb342 100755 (executable)
--- a/dgit
+++ b/dgit
@@ -73,6 +73,8 @@ our $tagformat_want;
 our $tagformat;
 our $tagformatfn;
 
+our %forceopts = map { $_=>0 } ();
+
 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 $isuite\n";
     exit 4;
@@ -5176,6 +5184,10 @@ sub parseopts () {
            } elsif (m/^--deliberately-($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, $_;