Merge branch 'bw/grep-recurse-submodules'

"git grep" has been taught to optionally recurse into submodules.

* bw/grep-recurse-submodules:
  grep: search history of moved submodules
  grep: enable recurse-submodules to work on <tree> objects
  grep: optionally recurse into submodules
  grep: add submodules as a grep source type
  submodules: load gitmodules file from commit sha1
  submodules: add helper to determine if a submodule is initialized
  submodules: add helper to determine if a submodule is populated
  real_path: canonicalize directory separators in root parts
  real_path: have callers use real_pathdup and strbuf_realpath
  real_path: create real_pathdup
  real_path: convert real_path_internal to strbuf_realpath
  real_path: resolve symlinks by hand

1 files changed, 3 insertions, 0 deletions

diff --git a/submodule-config.h b/submodule-config.h
index 99df8e593c..70f19363fd 100644
--- a/submodule-config.h
+++ b/submodule-config.h
@@ -29,6 +29,9 @@ const struct submodule *submodule_from_name(const unsigned char *commit_or_tree,
 		const char *name);
 const struct submodule *submodule_from_path(const unsigned char *commit_or_tree,
 		const char *path);
+extern int gitmodule_sha1_from_commit(const unsigned char *commit_sha1,
+				      unsigned char *gitmodules_sha1,
+				      struct strbuf *rev);
 void submodule_free(void);
 
 #endif /* SUBMODULE_CONFIG_H */