fetchpatch: Add support for an arbitrary extra prefix

We still ensure the old and new ones start, respectfully, with `a/` and
`b/`. Use with `stripLen` to ensure tha the old `a/` and `/b` are gone
if a new prefix is added.

1 files changed, 3 insertions, 3 deletions

diff --git a/pkgs/development/libraries/pcre2/default.nix b/pkgs/development/libraries/pcre2/default.nix
index dd562d2e0f1..9603e45a8b4 100644
--- a/pkgs/development/libraries/pcre2/default.nix
+++ b/pkgs/development/libraries/pcre2/default.nix
@@ -20,21 +20,21 @@ stdenv.mkDerivation rec {
       url = "https://vcs.pcre.org/pcre2/code/trunk/src/pcre2_ucd.c?view=patch&r1=316&r2=670&sortby=date";
       sha256 = "10yzglvbn7h06hg7zffr5zh378i5jihvx7d5gggkynws79vgwvfr";
       stripLen = 2;
-      addPrefixes = true;
+      extraPrefix = "";
     })
     (fetchpatch {
       name = "CVE-2017-7186-part2.patch";
       url = "https://vcs.pcre.org/pcre2/code/trunk/src/pcre2_internal.h?view=patch&r1=600&r2=670&sortby=date";
       sha256 = "1bggk7vd5hg0bjg96lj4h1lacmr6grq68dm6iz1n7vg3zf7virjn";
       stripLen = 2;
-      addPrefixes = true;
+      extraPrefix = "";
     })
     (fetchpatch {
       name = "CVE-2017-8786.patch";
       url = "https://vcs.pcre.org/pcre2/code/trunk/src/pcre2test.c?r1=692&r2=697&view=patch";
       sha256 = "1c629nzrk4il2rfclwyc1a373q58m4q9ys9wr91zhl4skfk7x19b";
       stripLen = 2;
-      addPrefixes = true;
+      extraPrefix = "";
     })
   ];