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-rw-r--r--utils/build_path_prefix_map.mli18
1 files changed, 16 insertions, 2 deletions
diff --git a/utils/build_path_prefix_map.mli b/utils/build_path_prefix_map.mli
index dbcc8dc16f..d8ec9caf4d 100644
--- a/utils/build_path_prefix_map.mli
+++ b/utils/build_path_prefix_map.mli
@@ -18,6 +18,9 @@
{b Warning:} this module is unstable and part of
{{!Compiler_libs}compiler-libs}.
+ See
+ {{: https://reproducible-builds.org/specs/build-path-prefix-map/ }
+ the BUILD_PATH_PREFIX_MAP spec}
*)
@@ -38,10 +41,21 @@ type map = pair option list
val encode_map : map -> string
val decode_map : string -> (map, error_message) result
-val rewrite_opt : map -> path -> path option
-(** [rewrite_opt map path] tries to find a source in [map]
+val rewrite_first : map -> path -> path option
+(** [rewrite_first map path] tries to find a source in [map]
that is a prefix of the input [path]. If it succeeds,
it replaces this prefix with the corresponding target.
If it fails, it just returns [None]. *)
+val rewrite_all : map -> path -> path list
+(** [rewrite_all map path] finds all sources in [map]
+ that are a prefix of the input [path]. For each matching
+ source, in priority order, it replaces this prefix with
+ the corresponding target and adds the result to
+ the returned list.
+ If there are no matches, it just returns [[]]. *)
+
val rewrite : map -> path -> path
+(** [rewrite path] uses [rewrite_first] to try to find a
+ mapping for path. If found, it returns that, otherwise
+ it just returns [path]. *)