handle hg converted gpg lines

running parse_commits if it included commits converted from mercurial kiln repositories would fail we can see this in [email protected]:somecallmechief/oj.git by running git rev-list 07bba --pretty=raw --max-count=1
notatestuser · May 1, 2015 · 524383b · 524383b
1 parent 61d7452
commit 524383b
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/src/commit.coffee b/src/commit.coffee
@@ -82,7 +82,12 @@ module.exports = class Commit
         while !/^ -----END PGP SIGNATURE-----$/.test lines[0]
           gpgsig.push lines.shift()
         gpgsig.push lines.shift()
-
+
+      # if converted from mercurial gpgsig may be present with non-valid gpg lines
+      if /^kilnhgcopies/.test lines[0]
+        while /^kilnhgcopies/.test lines[0]
+          lines.shift()
+
       # not doing anything with this yet, but it's sometimes there
       if /^encoding/.test lines[0]
         encoding = _.last lines.shift().split(" ")