diff options
Diffstat (limited to 'Zpkgs/krebs')
-rw-r--r-- | Zpkgs/krebs/default.nix | 1 | ||||
-rw-r--r-- | Zpkgs/krebs/genid.nix | 22 |
2 files changed, 23 insertions, 0 deletions
diff --git a/Zpkgs/krebs/default.nix b/Zpkgs/krebs/default.nix index 883890476..e07b96b56 100644 --- a/Zpkgs/krebs/default.nix +++ b/Zpkgs/krebs/default.nix @@ -6,6 +6,7 @@ in pkgs // { + genid = callPackage ./genid.nix {}; github-hosts-sync = callPackage ./github-hosts-sync.nix {}; github-known_hosts = callPackage ./github-known_hosts.nix {}; hashPassword = callPackage ./hashPassword.nix {}; diff --git a/Zpkgs/krebs/genid.nix b/Zpkgs/krebs/genid.nix new file mode 100644 index 000000000..c75bec317 --- /dev/null +++ b/Zpkgs/krebs/genid.nix @@ -0,0 +1,22 @@ +{ lib, pkgs, ... }: + +pkgs.writeScriptBin "genid" '' + #! /bin/sh + # usage: genid NAME + set -euf + + export PATH=${lib.makeSearchPath "bin" (with pkgs; [ + bc + coreutils + ])} + + name=$1 + hash=$(printf %s "$name" | sha1sum | cut -d\ -f1 | tr a-f A-F) + echo " + min=2^24 # bigger than nobody and nogroup, see <nixos/modules/misc/ids.nix> + # and some spare for stuff like lxd. + max=2^32 # see 2^(8*sizeof(uid_t)) + ibase=16 + ($hash + min) % max + " | bc +'' |