diff --git a/heckimp/__main__.py b/heckimp/__main__.py
index 3546748..2813c77 100644
--- a/heckimp/__main__.py
+++ b/heckimp/__main__.py
@@ -174,6 +174,9 @@ def heckimp(args: Sequence[str]):
     if 'donateurl' in inconfig:
         donateurl = inconfig['donateurl']
 
+    bugurl = inconfig['url']
+    if 'bugurl' in inconfig:
+        bugurl = inconfig['bugurl']
 
     derivedconfig={
         # Derived variables from config
@@ -183,11 +186,14 @@ def heckimp(args: Sequence[str]):
         "filename": inconfig['name'].lower(),
         "ufilename": inconfig['name'].upper(),
         "backdomain": reverse_domain(inconfig['url']),
+        # URLs
         "baseurl": inconfig['url'],
         "tutorialurl": tutorialurl,
         "docsurl": docsurl,
         "contriburl": contriburl,
         "donateurl": donateurl,
+        "bugurl": bugurl,
+        #
         "copyright": inconfig['copyright'],
         "version": inconfig['version'],
         "resource_path": reverse_domain(inconfig['url']).replace('.', '/'),
@@ -208,6 +214,13 @@ def heckimp(args: Sequence[str]):
     }
     sourceroot = Path(derivedconfig["sourcetree"])
 
+    visitfiles = set()
+    seenfiles = set()
+    targetpath = Path(derivedconfig["filename"])
+    if targetpath.exists():
+        visitfiles = set(targetpath.rglob('*'))
+
+
     # precompute string replacements
     for r in FILENAME_REGEXP:
         r.replacement = r.replacement.format(**derivedconfig)
@@ -243,6 +256,7 @@ def heckimp(args: Sequence[str]):
             continue
         # possibly rename file,
         outpath = Path(apply_regexps(FILENAME_REGEXP, [], str(path)))
+        seenfiles.add(outpath)
         logger.info(f"processing {outpath}")
         # write each file to the outtreea
         if path.is_dir():
@@ -315,6 +329,11 @@ def heckimp(args: Sequence[str]):
         os.system('git add .')
         os.system(f"""git commit -m "Initial checkin of {derivedconfig['symname']} from {derivedconfig["us"]}" """)
         os.system(f"""git tag v{derivedconfig['version']}""")
+
+    leftovers = visitfiles - seenfiles
+    if leftovers:
+        # print them out but we need to think about filtercing them too (exclude .git and upstream-documentation)
+        ...
     print("Done.")
     return 0
 
diff --git a/heckimp/gnuimpregexp.py b/heckimp/gnuimpregexp.py
index 174938d..4a3fd03 100644
--- a/heckimp/gnuimpregexp.py
+++ b/heckimp/gnuimpregexp.py
@@ -22,7 +22,7 @@ CONTENTS_REGEXP: List[Replacement]  = [
          r" * A derived work which may be trivial. However, any changes may be (C){year} by {copyright}\n *\n"
          r" * Original copyright, applying to most contents (license remains unchanged): ")
     ),
-
+    R(re.compile(r"^(\W+)version: \'[0-9].*"), r"\1version: '{version}', #heckimp skip", 'meson.build'),
     R(
         re.compile(r'(.*)Spencer Kimball, Peter Mattis and the GIMP Development Team(.*)'),
         r"\1Based on work by Spencer Kimball, Peter Mattis and the GnuImp Development Team\2"
@@ -65,12 +65,14 @@ CONTENTS_REGEXP: List[Replacement]  = [
     R(re.compile(r"(.*)https?://docs.gimp.org/(.*)"), r'\1{docsurl}\2'),
     R(re.compile(r"(.*)https?://www.gimp.org/develop(.*)"), r'\1{contriburl}\2'),
     R(re.compile(r"(.*)https?://www.gimp.org/donating(.*)"), r'\1{donateurl}\2'),
-
+    R(re.compile(r"(.*)https?://gitlab.gnome.org/GNOME/gimp/issues(.*)"), r'\1{bugurl}\2'),
+    # override
+    R(re.compile(r"project_url = 'https://gitlab.gnome.org/GNOME/gimp'"), r"project_url = '{baseurl}'"),
+    R(re.compile(r"project_url_issues = project_url + '/issues/new'"), r"project_url_issues = '{bugurl}'"),
     # catchall urls
     R(re.compile(r"(.*)https?://www.gimp.org(.*)"), r'\1{baseurl}\2'),
     R(re.compile(r"(.*[ \t\"])(www.)?gimp.org(.*)"), r'\1{baseurl}\3'),
 
-
     ## general replacements
     R(re.compile(r"(.*)gimp(.*)"), r'\1{filename}\2'),
     R(re.compile(r"(.*)GIMP(.*)"), r'\1{ufilename}\2'),
@@ -138,6 +140,8 @@ CONTENTS_EXCEPTIONS: List[re.Pattern] = [
     #re.compile(r".wiki.gimp.org.*"),
     re.compile(r".*irc.*gimp.org:6667.*"),
     re.compile(r".*meetthegimp.org.*"), # wtf this domain
+    # these are pretty consistent notes in the code referring to upstream bugs.
+    re.compile(r".*See[:]? https://gitlab.gnome.org/GNOME/gimp/.*")
 ]
 
 #
diff --git a/heckimp/regexptools.py b/heckimp/regexptools.py
index 1689d4a..1cdd89c 100644
--- a/heckimp/regexptools.py
+++ b/heckimp/regexptools.py
@@ -18,10 +18,12 @@ logger = logging.getLogger(__name__)
 # regex.match, we could make a function that configures the replacement based on a dictionary, we could
 # make a function that executes the replacement on a string, etc. It would probably make the below code
 # a bit less type dependent).
+# FIXME implement path limiting
 class Replacement:
-    def __init__(self, regexp, replacement):
+    def __init__(self, regexp, replacement, path=None):
         self.regexp = regexp
         self.replacement = replacement
+        self.path = path
 
 
 def one_matches(relist: Sequence[Union[re.Pattern, Replacement, Sequence]], s: str) -> Union[None, re.Pattern, Replacement, Sequence]: