[PATCH] convert/git: abort if git submodules are detected (issue2150)

[Augie Fackler]

# HG changeset patch
# User Augie Fackler <durin42 at gmail.com>
# Date 1332645197 18000
# Node ID 05a0d5879139a722cf38b6b048a86ce5cc87d2f7
# Parent  12e3f93b1cbc7c930e941f0adfe632c8ad70b73d
convert/git: abort if git submodules are detected (issue2150)

This improves the error message when convert encounters a git
submodule. Now, instead of a git-cat-file error, we'll directly report
the lack of support for git submodules.

diff --git a/hgext/convert/git.py b/hgext/convert/git.py
--- a/hgext/convert/git.py
+++ b/hgext/convert/git.py
@@ -97,6 +97,8 @@
                 seen.add(f)
                 entry = entry.split()
                 h = entry[3]
+                if entry[1] == '160000':
+                    raise util.Abort('git submodules are not supported!')
                 p = (entry[1] == "100755")
                 s = (entry[1] == "120000")
                 self.modecache[(f, h)] = (p and "x") or (s and "l") or ""