Hello, Magali <magalileme...@gmail.com> ezt írta (időpont: 2021. jan. 6., Sze, 5:35): > > Hello Guix, > > As you might know, as part of my Outreachy internship I'm currently > working on implementing the subcommand 'guix git log', for browsing the > history of all packages. So far, it works with '--oneline' and > '--format=<FORMAT>', and FORMAT can be 'oneline', 'medium' or 'full'. If > you want to see it, the code can be found at > https://gitlab.com/magalilemes/guix > > On the road to adding another option to the subcommand, > '--pretty=<string>' arose as an idea. With git log, you can do something > like > git log pretty=<string> > And this string can have placeholders, such as %h for showing the short > hash of a commit, and %s for showing the commit subject. For instance, > you could have git log --pretty="%h %s" and this would display the > commit history log with the short hash and subject of commits. > > So, in order to implement 'guix git log --pretty=<string>', I'd like > help with a strategy to parse the string. Any examples, ideas and tips > would be really appreciated. >
>From the top of my head two things come to mind, you could either tokenize the string and handle it as a list, or you could do a regex matching. I don't think anything more complicated is needed to handle this. You can find the relevant docs here: https://www.gnu.org/software/guile/manual/html_node/Strings.html https://www.gnu.org/software/guile/manual/html_node/Regular-Expressions.html > Cheers, > > Magali > > Regards, g_bor -- OpenPGP Key Fingerprint: 7988:3B9F:7D6A:4DBF:3719:0367:2506:A96C:CF63:0B21
