1 files changed, 86 insertions, 0 deletions
diff --git a/include/git2/message.h b/include/git2/message.h
new file mode 100644
index 0000000..cd3ddf7
--- /dev/null
+++ b/include/git2/message.h
@@ -0,0 +1,86 @@
+/*
+ * Copyright (C) the libgit2 contributors. All rights reserved.
+ *
+ * This file is part of libgit2, distributed under the GNU GPL v2 with
+ * a Linking Exception. For full terms see the included COPYING file.
+ */
+#ifndef INCLUDE_git_message_h__
+#define INCLUDE_git_message_h__
+
+#include "common.h"
+#include "buffer.h"
+
+/**
+ * @file git2/message.h
+ * @brief Git message management routines
+ * @ingroup Git
+ * @{
+ */
+GIT_BEGIN_DECL
+
+/**
+ * Clean up excess whitespace and make sure there is a trailing newline in the message.
+ *
+ * Optionally, it can remove lines which start with the comment character.
+ *
+ * @param out The user-allocated git_buf which will be filled with the
+ *     cleaned up message.
+ *
+ * @param message The message to be prettified.
+ *
+ * @param strip_comments Non-zero to remove comment lines, 0 to leave them in.
+ *
+ * @param comment_char Comment character. Lines starting with this character
+ * are considered to be comments and removed if `strip_comments` is non-zero.
+ *
+ * @return 0 or an error code.
+ */
+GIT_EXTERN(int) git_message_prettify(git_buf *out, const char *message, int strip_comments, char comment_char);
+
+/**
+ * Represents a single git message trailer.
+ */
+typedef struct {
+  const char *key;
+  const char *value;
+} git_message_trailer;
+
+/**
+ * Represents an array of git message trailers.
+ *
+ * Struct members under the private comment are private, subject to change
+ * and should not be used by callers.
+ */
+typedef struct {
+  git_message_trailer *trailers;
+  size_t count;
+
+  /* private */
+  char *_trailer_block;
+} git_message_trailer_array;
+
+/**
+ * Parse trailers out of a message, filling the array pointed to by +arr+.
+ *
+ * Trailers are key/value pairs in the last paragraph of a message, not
+ * including any patches or conflicts that may be present.
+ *
+ * @param arr A pre-allocated git_message_trailer_array struct to be filled in
+ *            with any trailers found during parsing.
+ * @param message The message to be parsed
+ * @return 0 on success, or non-zero on error.
+ */
+GIT_EXTERN(int) git_message_trailers(git_message_trailer_array *arr, const char *message);
+
+/**
+ * Clean's up any allocated memory in the git_message_trailer_array filled by
+ * a call to git_message_trailers.
+ *
+ * @param arr The trailer to free.
+ */
+GIT_EXTERN(void) git_message_trailer_array_free(git_message_trailer_array *arr);
+
+/** @} */
+GIT_END_DECL
+
+#endif /* INCLUDE_git_message_h__ */