index-pack: correct --keep[=<msg>]

diff --git a/entry.c b/entry.c
index fa0e5ec8ae2c6f6d68ad0d0a8df5ae1a2085d523..77c688262477e783b4bcbc237ef281eecab0661d 100644 (file)
--- a/entry.c
+++ b/entry.c
@@ -234,6 +234,14 @@ static int check_path(const char *path, int len, struct stat *st, int skiplen)
        return lstat(path, st);
 }
 
+/*
+ * Write the contents from ce out to the working tree.
+ *
+ * When topath[] is not NULL, instead of writing to the working tree
+ * file named by ce, a temporary file is created by this function and
+ * its name is returned in topath[], which must be able to hold at
+ * least TEMPORARY_FILENAME_LENGTH bytes long.
+ */
 int checkout_entry(struct cache_entry *ce,
                   const struct checkout *state, char *topath)
 {