softwareheritage-indexer=> select * from indexer_configuration;
    id     |        tool_name        |     tool_version      |                                      tool_configuration                                      
-----------+-------------------------+-----------------------+----------------------------------------------------------------------------------------------
         1 | nomos                   | 3.1.0rc2-31-ga2cbb8c  | {"command_line": "nomossa <filepath>"}
         5 | universal-ctags         | ~git7859817b          | {"command_line": "ctags --fields=+lnz --sort=no --links=no --output-format=json <filepath>"}
         6 | pygments                | 2.0.1+dfsg-1.1+deb8u1 | {"type": "library", "debian-package": "python3-pygments"}
         7 | file                    | 5.22                  | {"command_line": "file --mime <filepath>"}
         8 | pygments                | 2.0.1+dfsg-1.1+deb8u1 | {"type": "library", "debian-package": "python3-pygments", "max_content_size": 10240}
         9 | file                    | 1:5.30-1+deb9u1       | {"type": "library", "debian-package": "python3-magic"}
  74460485 | origin-metadata         | 0.0.1                 | {}
 511854352 | nomos                   | 3.1-1~bpo9~swh+1      | {"command_line": "nomossa <filepath>"}
  74460516 | swh-metadata-translator | 0.0.2                 | {"type": "local", "context": "NpmMapping"}
  74496667 | swh-metadata-translator | 0.0.2                 | {"type": "local", "context": "MavenMapping"}
  74505359 | swh-metadata-translator | 0.0.2                 | {"type": "local", "context": "PythonPkginfoMapping"}
  74608577 | swh-metadata-translator | 0.0.2                 | {"type": "local", "context": "CodemetaMapping"}
 709870604 | swh-metadata-translator | 0.0.2                 | {"context": "CffMapping"}
  79181505 | swh-metadata-translator | 0.0.2                 | {"type": "local", "context": "GemspecMapping"}
 511854449 | file                    | 2:0.4.15-2            | {"type": "library", "debian-package": "python3-magic"}
 110502138 | swh-metadata-detector   | 0.0.2                 | {}
 110502220 | swh-metadata-translator | 0.0.2                 | {"context": "NpmMapping"}
 110502438 | swh-metadata-translator | 0.0.2                 | {"context": "MavenMapping"}
 110502755 | swh-metadata-translator | 0.0.2                 | {"context": "GemspecMapping"}
 110510063 | swh-metadata-translator | 0.0.2                 | {"context": "PythonPkginfoMapping"}
 110632005 | swh-metadata-translator | 0.0.2                 | {"context": "CodemetaMapping"}