hydra-job-revision.sh

#!/usr/bin/env bash

hydra-job-revision() {
    local jobseteval job=$1
    shift 1
    case "$job" in
        *'/'*) ;;
        *) job="nixpkgs/trunk/$job" ;;
    esac
    case "$job" in
        'http://'*|'https://'*) ;;
        *) job="https://hydra.nixos.org/job/$job" ;;
    esac
    jobseteval=$(curl -fsSL -H 'Content-Type: application/json' "$job/latest" | jq '.jobsetevals[0]')
    curl -fsSL -H 'Accept: application/json' "''${job%/job*}/eval/$jobseteval" | jq -r '.jobsetevalinputs.nixpkgs.revision'
}

hydra-job-revision "$@"