fix(git): deprioritize git, dont fail on non-git content folders

quartz/plugins/transformers/lastmod.ts

@@ -35,13 +35,23 @@ export const CreatedModifiedDate: QuartzTransformerPlugin<Partial<Options>> = (u
       return [
         () => {
           let repo: Repository | undefined = undefined
+          if (opts.priority.includes("git")) {
+            try {
+              repo = Repository.discover(ctx.argv.directory)
+            } catch (e) {
+              console.log(
+                chalk.yellow(`\nWarning: couldn't find git repository for ${ctx.argv.directory}`),
+              )
+            }
+          }
+
           return async (_tree, file) => {
             let created: MaybeDate = undefined
             let modified: MaybeDate = undefined
             let published: MaybeDate = undefined
 
             const fp = file.data.relativePath!
-            const fullFp = path.posix.join(ctx.argv.directory, fp)
+            const fullFp = file.data.filePath!
             for (const source of opts.priority) {
               if (source === "filesystem") {
                 const st = await fs.promises.stat(fullFp)
@@ -51,21 +61,13 @@ export const CreatedModifiedDate: QuartzTransformerPlugin<Partial<Options>> = (u
                 created ||= file.data.frontmatter.created as MaybeDate
                 modified ||= file.data.frontmatter.modified as MaybeDate
                 published ||= file.data.frontmatter.published as MaybeDate
-              } else if (source === "git") {
-                if (!repo) {
-                  // 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(ctx.argv.directory)
-                }
-
+              } else if (source === "git" && repo) {
                 try {
                   modified ||= await repo.getFileLatestModifiedDateAsync(fullFp)
                 } catch {
                   console.log(
                     chalk.yellow(
-                      `\nWarning: ${file.data
-                        .filePath!} isn't yet tracked by git, last modification date is not available for this file`,
+                      `\nWarning: ${file.data.filePath!} isn't yet tracked by git, dates will be inaccurate`,
                     ),
                   )
                 }