feat: support modification date reading from parent git repo (#661)

Olivér Falvai

2024-01-02 65d75b8bdcd7376916aed715d5e73732125589fb

 quartz/plugins/transformers/lastmod.ts

@@ -57,10 +57,22 @@
                published ||= file.data.frontmatter.publishDate
              } else if (source === "git") {
                if (!repo) {
                  repo = new Repository(file.cwd)
                  // Get a reference to the main git repo.
                  // It's either the same as the workdir,
                  // or 1+ level higher in case of a submodule/subtree setup
                  repo = Repository.discover(file.cwd)
                }

                modified ||= await repo.getFileLatestModifiedDateAsync(file.data.filePath!)
                try {
                  modified ||= await repo.getFileLatestModifiedDateAsync(file.data.filePath!)
                } catch {
                  console.log(
                    chalk.yellow(
                      `\nWarning: ${file.data
                        .filePath!} isn't yet tracked by git, last modification date is not available for this file`,
                    ),
                  )
                }
              }
            }