gem-checksum

Adds gem checksum command.

Still in development, but works. See RubyGems security guide

Usage

gem help checksum

Usage: gem checksum GEM_NAME [options]

  Options:
        --compare-to                 Boolean compare to the generated checksum
        --checksum-folder            Folder to write generated checksum to


  Arguments:
    GEM_NAME           the name of the gem you wish to hash

  Summary:
    Calculate the checksum for a gem

  Description:
    Calculates the checksum for a gem

Examples

$ gem checksum pkg/gem-checksum-0.0.1.gem
bf1c5e6ad6a5e3c1ea736dcc1e7ca1284cfc6e195c7fa7e9c1b5ccebf25411de2122476f27694a52ef4a04aae2a62bd5735ce60817ed087177398c2bbe8e2351

gem checksum pkg/gem-checksum-0.0.1.gem --compare-to bf1c5e6ad6a5e3c1ea736dcc1e7ca1284cfc6e195c7fa7e9c1b5ccebf25411de2122476f27694a52ef4a04aae2a62bd5735ce60817ed087177398c2bbe8e2351
bf1c5e6ad6a5e3c1ea736dcc1e7ca1284cfc6e195c7fa7e9c1b5ccebf25411de2122476f27694a52ef4a04aae2a62bd5735ce60817ed087177398c2bbe8e2351
Checksum validated

gem checksum pkg/gem-checksum-0.0.1.gem --compare-to thatcantberight
bf1c5e6ad6a5e3c1ea736dcc1e7ca1284cfc6e195c7fa7e9c1b5ccebf25411de2122476f27694a52ef4a04aae2a62bd5735ce60817ed087177398c2bbe8e2351
Calculated checksum not equal to given checksum:
Expected:       thatcantberight
Calculcated:    bf1c5e6ad6a5e3c1ea736dcc1e7ca1284cfc6e195c7fa7e9c1b5ccebf25411de2122476f27694a52ef4a04aae2a62bd5735ce60817ed087177398c2bbe8e2351

gem checksum pkg/gem-checksum-0.0.1.gem --checksum-folder checksum
bf1c5e6ad6a5e3c1ea736dcc1e7ca1284cfc6e195c7fa7e9c1b5ccebf25411de2122476f27694a52ef4a04aae2a62bd5735ce60817ed087177398c2bbe8e2351
Wrote checksum to checksum/gem-checksum-0.0.1.gem.sha512