update_uses.jsonnet

// Run like this: `eval $(jsonnet -S <this file>)`
//
// versions.libsonnet has entries like this:
// {
//   cacheRestore: {
//     version: 'v4.0.2',
//     sha: '0c45773b623bea8c8e75f6c82b208c3cf94ea4f9',
//     action: 'actions/cache/restore',
//   },
//   ...
// }
local versions = import 'versions.libsonnet';

local sed(file, needle, replacement) =
  "sed -i 's;" + needle + ';' + replacement + ";' " + file;

local commands(file) = [
  sed(
    file,
    'uses: ' + versions[v].action + '@.*',
    'uses: ' + versions[v].action + '@' + versions[v].sha + ' # ' + versions[v].version,
  )
  for v in std.objectFields(versions)
  if 'version' in versions[v]
];

std.join(
  ';',
  commands('../workflows/workflow1.yaml')
  + commands('../workflows/workflow2.yaml')
)