Since we have just created a new pathspec-handling library, now is a
good time to add some comments explaining get_pathspec().
Signed-off-by: Adam Spiers <git@xxxxxxxxxxxxxx>
---
setup.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/setup.c b/setup.c
index 7663a4c..03d6d5c 100644
--- a/setup.c
+++ b/setup.c
@@ -249,6 +249,21 @@ static const char *prefix_pathspec(const char *prefix, int prefixlen, const char
return prefix_path(prefix, prefixlen, copyfrom);
}
+/*
+ * prefix - a path relative to the root of the working tree
+ * pathspec - a list of paths underneath the prefix path
+ *
+ * Iterates over pathspec, prepending each path with prefix,
+ * and return the resulting list.
+ *
+ * If pathspec is empty, return a singleton list containing prefix.
+ *
+ * If pathspec and prefix are both empty, return an empty list.
+ *
+ * This is typically used by built-in commands such as add.c, in order
+ * to normalize argv arguments provided to the built-in into a list of
+ * paths to process, all relative to the root of the working tree.
+ */
const char **get_pathspec(const char *prefix, const char **pathspec)
{
const char *entry = *pathspec;
--
1.7.11.2.249.g31c7954
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