From e8b448a1318b46c8e9671a4eb57a7e147e0c2eed Mon Sep 17 00:00:00 2001
From: Sven Sauleau <sven@cloudflare.com>
Date: Tue, 5 May 2020 21:17:54 +0100
Subject: [PATCH] better show files

---
 cmd/checker/README.md |  2 ++
 cmd/checker/main.go   | 34 ++++++++++++++++++++++++++--------
 2 files changed, 28 insertions(+), 8 deletions(-)

diff --git a/cmd/checker/README.md b/cmd/checker/README.md
index 5e1c087a..dc349650 100644
--- a/cmd/checker/README.md
+++ b/cmd/checker/README.md
@@ -1,5 +1,7 @@
 # Checker
 
+Tools for our CI.
+
 ## `lint`
 
 Check that a package is correctly configured.
diff --git a/cmd/checker/main.go b/cmd/checker/main.go
index c87fc28a..89ceba10 100644
--- a/cmd/checker/main.go
+++ b/cmd/checker/main.go
@@ -57,25 +57,29 @@ func showFiles(path string) {
 		return
 	}
 
+	fmt.Printf("Preview for `%s`\n", path)
+
 	npmVersions := npm.GetVersions(pckg.Autoupdate.Target)
 	if len(npmVersions) == 0 {
 		err(ctx, "no version found on npm")
 		return
 	}
 
-	// Import all the versions since we have none locally.
-	// Limit the number of version to an abrirary number to avoid publishing
-	// too many outdated versions.
-	sort.Sort(sort.Reverse(npm.ByNpmVersion(npmVersions)))
+	sort.Sort(npm.ByNpmVersion(npmVersions))
 
 	if len(npmVersions) > util.IMPORT_ALL_MAX_VERSIONS {
-		npmVersions = npmVersions[len(npmVersions)-util.IMPORT_ALL_MAX_VERSIONS:]
+		npmVersions = npmVersions[:util.IMPORT_ALL_MAX_VERSIONS]
 	}
 
-	for _, npmVersion := range npmVersions {
-		util.Printf(ctx, "%s:\n", npmVersion.Version)
+	// print info for the first version
+	fmt.Printf("Last version:\n")
+	fmt.Printf("```\n")
+	{
+		firstNpmVersion := npmVersions[0]
+
+		util.Printf(ctx, "%s:\n", firstNpmVersion.Version)
 
-		tarballDir := npm.DownloadTar(ctx, npmVersion.Tarball)
+		tarballDir := npm.DownloadTar(ctx, firstNpmVersion.Tarball)
 		filesToCopy := pckg.NpmFilesFrom(tarballDir)
 
 		if len(filesToCopy) == 0 {
@@ -87,6 +91,20 @@ func showFiles(path string) {
 			util.Printf(ctx, "%s\n", file.To)
 		}
 	}
+	fmt.Printf("```\n")
+
+	// aggregate info for the few last version
+	fmt.Printf("%d Last version:\n", util.IMPORT_ALL_MAX_VERSIONS)
+	fmt.Printf("```\n")
+	{
+		for _, version := range npmVersions {
+			tarballDir := npm.DownloadTar(ctx, version.Tarball)
+			filesToCopy := pckg.NpmFilesFrom(tarballDir)
+
+			util.Printf(ctx, "%s: %d file(s) matched\n", version.Version, len(filesToCopy))
+		}
+	}
+	fmt.Printf("```\n")
 }
 
 func lintPackage(path string) {