dgit: branch_is_gdr: Add a cautionary comment

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

1 files changed, 5 insertions, 0 deletions

diff --git a/dgit b/dgit
index 1f42dd3..3962134 100755
--- a/dgit
+++ b/dgit
@@ -322,6 +322,11 @@ sub branch_is_gdr ($) {
     # We have our own implementation because:
     #  - our algorighm can do fewer tests so is faster
     #  - it saves testing to see if gdr is installed
+
+    # NB we use this jsut for deciding whether to run gdr make-patches
+    # Before reusing this algorithm for somthing else, its
+    # suitability should be reconsidered.
+
     my $walk = $head;
     local $Debian::Dgit::debugcmd_when_debuglevel = 3;
     printdebug "branch_is_gdr $head...\n";