Enable SBOM conversions from STDIN

[wagoodman]

A small addition to the convert command to allow for taking SBOMs from stdin:

cat my.sbom | syft convert - -o spdx-json

[github-actions]

Benchmark Test Results

Benchmark results from the latest changes vs base branch

goos: linux
goarch: amd64
pkg: github.com/anchore/syft/test/integration
cpu: Intel(R) Xeon(R) Platinum 8272CL CPU @ 2.60GHz
                                                          │ ./.tmp/benchmark-0929256.txt │
                                                          │            sec/op            │
ImagePackageCatalogers/alpmdb-cataloger-2                                   12.37m ±  2%
ImagePackageCatalogers/ruby-gemspec-cataloger-2                             908.9µ ± 11%
ImagePackageCatalogers/python-package-cataloger-2                           3.095m ±  2%
ImagePackageCatalogers/php-composer-installed-cataloger-2                   707.9µ ±  1%
ImagePackageCatalogers/javascript-package-cataloger-2                       379.2µ ±  1%
ImagePackageCatalogers/dpkgdb-cataloger-2                                   526.6µ ±  2%
ImagePackageCatalogers/rpm-db-cataloger-2                                   515.8µ ±  1%
ImagePackageCatalogers/java-cataloger-2                                     11.16m ±  1%
ImagePackageCatalogers/graalvm-native-image-cataloger-2                     8.943µ ±  2%
ImagePackageCatalogers/apkdb-cataloger-2                                    522.3µ ±  1%
ImagePackageCatalogers/go-module-binary-cataloger-2                         19.17µ ±  1%
ImagePackageCatalogers/dotnet-deps-cataloger-2                              1.005m ±  1%
ImagePackageCatalogers/portage-cataloger-2                                  332.1µ ±  2%
ImagePackageCatalogers/sbom-cataloger-2                                     107.2µ ±  0%
ImagePackageCatalogers/binary-cataloger-2                                   141.4µ ±  0%
geomean                                                                     471.9µ

                                                          │ ./.tmp/benchmark-0929256.txt │
                                                          │             B/op             │
ImagePackageCatalogers/alpmdb-cataloger-2                                   5.060Mi ± 0%
ImagePackageCatalogers/ruby-gemspec-cataloger-2                             141.8Ki ± 0%
ImagePackageCatalogers/python-package-cataloger-2                           947.1Ki ± 0%
ImagePackageCatalogers/php-composer-installed-cataloger-2                   155.9Ki ± 0%
ImagePackageCatalogers/javascript-package-cataloger-2                       95.56Ki ± 0%
ImagePackageCatalogers/dpkgdb-cataloger-2                                   144.6Ki ± 0%
ImagePackageCatalogers/rpm-db-cataloger-2                                   170.3Ki ± 0%
ImagePackageCatalogers/java-cataloger-2                                     2.721Mi ± 0%
ImagePackageCatalogers/graalvm-native-image-cataloger-2                     1.523Ki ± 0%
ImagePackageCatalogers/apkdb-cataloger-2                                    123.0Ki ± 0%
ImagePackageCatalogers/go-module-binary-cataloger-2                         3.102Ki ± 0%
ImagePackageCatalogers/dotnet-deps-cataloger-2                              314.7Ki ± 0%
ImagePackageCatalogers/portage-cataloger-2                                  75.44Ki ± 0%
ImagePackageCatalogers/sbom-cataloger-2                                     13.04Ki ± 0%
ImagePackageCatalogers/binary-cataloger-2                                   20.53Ki ± 0%
geomean                                                                     106.6Ki

                                                          │ ./.tmp/benchmark-0929256.txt │
                                                          │          allocs/op           │
ImagePackageCatalogers/alpmdb-cataloger-2                                    86.71k ± 0%
ImagePackageCatalogers/ruby-gemspec-cataloger-2                              2.159k ± 0%
ImagePackageCatalogers/python-package-cataloger-2                            15.49k ± 0%
ImagePackageCatalogers/php-composer-installed-cataloger-2                    3.458k ± 0%
ImagePackageCatalogers/javascript-package-cataloger-2                        1.252k ± 0%
ImagePackageCatalogers/dpkgdb-cataloger-2                                    2.646k ± 0%
ImagePackageCatalogers/rpm-db-cataloger-2                                    3.759k ± 0%
ImagePackageCatalogers/java-cataloger-2                                      38.26k ± 0%
ImagePackageCatalogers/graalvm-native-image-cataloger-2                       40.00 ± 0%
ImagePackageCatalogers/apkdb-cataloger-2                                     3.251k ± 0%
ImagePackageCatalogers/go-module-binary-cataloger-2                           101.0 ± 0%
ImagePackageCatalogers/dotnet-deps-cataloger-2                               5.011k ± 0%
ImagePackageCatalogers/portage-cataloger-2                                   1.487k ± 0%
ImagePackageCatalogers/sbom-cataloger-2                                       392.0 ± 0%
ImagePackageCatalogers/binary-cataloger-2                                     609.0 ± 0%
geomean                                                                      2.170k

[kzantow]

👍