Running nixpkgs-update (https://nix-community.org/update-bot/) with UPDATE_INFO: bftpd 6.3 -> 6.6 https://repology.org/project/bftpd/versions
attrpath: bftpd
Checking auto update branch...
No auto update branch exists
[version] 
[version] updated version and sha256
[rustCrateVersion] 
[rustCrateVersion] No cargoHash found
[golangModuleVersion] 
[golangModuleVersion] Not a buildGoModule package with vendorHash
[npmDepsVersion] 
[npmDepsVersion] No npmDepsHash
[updateScript] 
[updateScript] skipping because derivation has no updateScript
Diff after rewrites:
diff --git a/pkgs/by-name/bf/bftpd/package.nix b/pkgs/by-name/bf/bftpd/package.nix
index 01578c892844..e6853999bce6 100644
--- a/pkgs/by-name/bf/bftpd/package.nix
+++ b/pkgs/by-name/bf/bftpd/package.nix
@@ -7,11 +7,11 @@
 
 stdenv.mkDerivation rec {
   pname = "bftpd";
-  version = "6.3";
+  version = "6.6";
 
   src = fetchurl {
     url = "mirror://sourceforge/project/bftpd/bftpd/bftpd-${version}/bftpd-${version}.tar.gz";
-    sha256 = "sha256-f7XZCSrGwmQqyf5C4xtJ46Q4SDHxbr15rDzcAK1PvB4=";
+    sha256 = "sha256-qGe6k6YIzMtglE4frgDlK0Y/QWsJI1+HoxwCOylqwS4=";
   };
 
   # utmp has been replaced by utmpx since Mac OS X 10.6 (Snow Leopard):

Received ExitFailure 1 when running
Raw command: nix-build --option sandbox true --arg config "{ allowUnfree = true; allowAliases = false; }" --arg overlays "[ ]" -A bftpd
nix build failed.
gcc -std=gnu89 -DHAVE_CONFIG_H -Wall -I. -DVERSION=\"6.6\" -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -DPREFIX=\"/nix/store/8mf9qql87k07dascqblfvz5a6g0ncl58-bftpd-6.6\"    -c -o dirlist.o dirlist.c
gcc -std=gnu89 -DHAVE_CONFIG_H -Wall -I. -DVERSION=\"6.6\" -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -DPREFIX=\"/nix/store/8mf9qql87k07dascqblfvz5a6g0ncl58-bftpd-6.6\"    -c -o list.o list.c
gcc -std=gnu89 -DHAVE_CONFIG_H -Wall -I. -DVERSION=\"6.6\" -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -DPREFIX=\"/nix/store/8mf9qql87k07dascqblfvz5a6g0ncl58-bftpd-6.6\"    -c -o login.o login.c
gcc -std=gnu89 -DHAVE_CONFIG_H -Wall -I. -DVERSION=\"6.6\" -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -DPREFIX=\"/nix/store/8mf9qql87k07dascqblfvz5a6g0ncl58-bftpd-6.6\"    -c -o logging.o logging.c
gcc -std=gnu89 -DHAVE_CONFIG_H -Wall -I. -DVERSION=\"6.6\" -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -DPREFIX=\"/nix/store/8mf9qql87k07dascqblfvz5a6g0ncl58-bftpd-6.6\"    -c -o main.o main.c
gcc -std=gnu89 -DHAVE_CONFIG_H -Wall -I. -DVERSION=\"6.6\" -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -DPREFIX=\"/nix/store/8mf9qql87k07dascqblfvz5a6g0ncl58-bftpd-6.6\"    -c -o mystring.o mystring.c
gcc -std=gnu89 -DHAVE_CONFIG_H -Wall -I. -DVERSION=\"6.6\" -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -DPREFIX=\"/nix/store/8mf9qql87k07dascqblfvz5a6g0ncl58-bftpd-6.6\"    -c -o options.o options.c
gcc -std=gnu89 -DHAVE_CONFIG_H -Wall -I. -DVERSION=\"6.6\" -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -DPREFIX=\"/nix/store/8mf9qql87k07dascqblfvz5a6g0ncl58-bftpd-6.6\"    -c -o md5.o md5.c
dirlist.c: In function 'dirlist':
dirlist.c:334:9: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
  334 |         for (size_t i = 0; i < count; i++)
      |         ^~~
dirlist.c:334:9: note: use option '-std=c99', '-std=gnu99', '-std=c11' or '-std=gnu11' to compile your code
make: *** [<builtin>: dirlist.o] Error 1
make: *** Waiting for unfinished jobs....
commands.c: In function 'command_retr':
commands.c:1077:13: warning: variable 'new_num_clients' set but not used []8;;https://gcc.gnu.org/onlinedocs/gcc-15.2.0/gcc/Warning-Options.html#index-Wno-unused-but-set-variable-Wunused-but-set-variable]8;;]
 1077 |         int new_num_clients;      /* number of connections to the server */
      |             ^~~~~~~~~~~~~~~
options.c: In function 'getoption_directories':
options.c:280:5: warning: ignoring return value of 'getcwd' declared with attribute ']8;;https://gcc.gnu.org/onlinedocs/gcc-15.2.0/gcc/Common-Function-Attributes.html#index-warn_005funused_005fresult-function-attributewarn_unused_result]8;;' []8;;https://gcc.gnu.org/onlinedocs/gcc-15.2.0/gcc/Warning-Options.html#index-Wno-unused-result-Wunused-result]8;;]
  280 |     getcwd(curpath, sizeof(curpath) - 1);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
mystring.c: In function 'int_from_list':
mystring.c:92:5: warning: '__builtin___strncpy_chk' specified bound depends on the length of the source argument []8;;https://gcc.gnu.org/onlinedocs/gcc-15.2.0/gcc/Warning-Options.html#index-Wno-stringop-truncation-Wstringop-truncation]8;;]
   92 |     strncpy(str, list, list_length + 1);
      |     ^
mystring.c:83:23: note: length computed here
   83 |     int list_length = strlen(list);
      |                       ^~~~~~~~~~~~