diff --git a/server/handler.go b/server/handler.go
index 21e7e0c..bda7bd0 100644
--- a/server/handler.go
+++ b/server/handler.go
@@ -4,6 +4,7 @@ import (
 	"bytes"
 	"strings"
 
+	"github.com/rs/zerolog"
 	"github.com/rs/zerolog/log"
 	"github.com/valyala/fasthttp"
 
@@ -81,15 +82,16 @@ func Handler(mainDomainSuffix, rawDomain []byte,
 
 		// tryBranch checks if a branch exists and populates the target variables. If canonicalLink is non-empty, it will
 		// also disallow search indexing and add a Link header to the canonical URL.
-		tryBranch := func(repo, branch string, path []string, canonicalLink string) bool {
+		tryBranch := func(log zerolog.Logger, repo, branch string, path []string, canonicalLink string) bool {
 			if repo == "" {
+				log.Debug().Msg("tryBranch: repo == ''")
 				return false
 			}
 
 			// Check if the branch exists, otherwise treat it as a file path
 			branchTimestampResult := upstream.GetBranchTimestamp(giteaClient, targetOwner, repo, branch, branchTimestampCache)
 			if branchTimestampResult == nil {
-				// branch doesn't exist
+				log.Debug().Msg("tryBranch: branch doesn't exist")
 				return false
 			}
 
@@ -109,6 +111,7 @@ func Handler(mainDomainSuffix, rawDomain []byte,
 				)
 			}
 
+			log.Debug().Msg("tryBranch: true")
 			return true
 		}
 
@@ -136,7 +139,8 @@ func Handler(mainDomainSuffix, rawDomain []byte,
 			// raw.codeberg.org/example/myrepo/@main/index.html
 			if len(pathElements) > 2 && strings.HasPrefix(pathElements[2], "@") {
 				log.Debug().Msg("raw domain preparations, now trying with specified branch")
-				if tryBranch(targetRepo, pathElements[2][1:], pathElements[3:],
+				if tryBranch(log,
+					targetRepo, pathElements[2][1:], pathElements[3:],
 					giteaRoot+"/"+targetOwner+"/"+targetRepo+"/src/branch/%b/%p",
 				) {
 					log.Debug().Msg("tryBranch, now trying upstream 1")
@@ -151,7 +155,8 @@ func Handler(mainDomainSuffix, rawDomain []byte,
 			}
 
 			log.Debug().Msg("raw domain preparations, now trying with default branch")
-			tryBranch(targetRepo, "", pathElements[2:],
+			tryBranch(log,
+				targetRepo, "", pathElements[2:],
 				giteaRoot+"/"+targetOwner+"/"+targetRepo+"/src/branch/%b/%p",
 			)
 			log.Debug().Msg("tryBranch, now trying upstream 2")
@@ -185,7 +190,8 @@ func Handler(mainDomainSuffix, rawDomain []byte,
 				}
 
 				log.Debug().Msg("main domain preparations, now trying with specified repo & branch")
-				if tryBranch(pathElements[0], pathElements[1][1:], pathElements[2:],
+				if tryBranch(log,
+					pathElements[0], pathElements[1][1:], pathElements[2:],
 					"/"+pathElements[0]+"/%p",
 				) {
 					log.Debug().Msg("tryBranch, now trying upstream 3")
@@ -202,7 +208,8 @@ func Handler(mainDomainSuffix, rawDomain []byte,
 			// example.codeberg.page/@main/index.html
 			if strings.HasPrefix(pathElements[0], "@") {
 				log.Debug().Msg("main domain preparations, now trying with specified branch")
-				if tryBranch("pages", pathElements[0][1:], pathElements[1:], "/%p") {
+				if tryBranch(log,
+					"pages", pathElements[0][1:], pathElements[1:], "/%p") {
 					log.Debug().Msg("tryBranch, now trying upstream 4")
 					tryUpstream(ctx, giteaClient, mainDomainSuffix, trimmedHost,
 						targetOptions, targetOwner, targetRepo, targetBranch, targetPath,
@@ -217,7 +224,8 @@ func Handler(mainDomainSuffix, rawDomain []byte,
 			// example.codeberg.page/myrepo/index.html
 			// example.codeberg.page/pages/... is not allowed here.
 			log.Debug().Msg("main domain preparations, now trying with specified repo")
-			if pathElements[0] != "pages" && tryBranch(pathElements[0], "pages", pathElements[1:], "") {
+			if pathElements[0] != "pages" && tryBranch(log,
+				pathElements[0], "pages", pathElements[1:], "") {
 				log.Debug().Msg("tryBranch, now trying upstream 5")
 				tryUpstream(ctx, giteaClient, mainDomainSuffix, trimmedHost,
 					targetOptions, targetOwner, targetRepo, targetBranch, targetPath,
@@ -228,7 +236,8 @@ func Handler(mainDomainSuffix, rawDomain []byte,
 			// Try to use the "pages" repo on its default branch
 			// example.codeberg.page/index.html
 			log.Debug().Msg("main domain preparations, now trying with default repo/branch")
-			if tryBranch("pages", "", pathElements, "") {
+			if tryBranch(log,
+				"pages", "", pathElements, "") {
 				log.Debug().Msg("tryBranch, now trying upstream 6")
 				tryUpstream(ctx, giteaClient, mainDomainSuffix, trimmedHost,
 					targetOptions, targetOwner, targetRepo, targetBranch, targetPath,
@@ -259,7 +268,8 @@ func Handler(mainDomainSuffix, rawDomain []byte,
 
 			// Try to use the given repo on the given branch or the default branch
 			log.Debug().Msg("custom domain preparations, now trying with details from DNS")
-			if tryBranch(targetRepo, targetBranch, pathElements, canonicalLink) {
+			if tryBranch(log,
+				targetRepo, targetBranch, pathElements, canonicalLink) {
 				canonicalDomain, valid := upstream.CheckCanonicalDomain(giteaClient, targetOwner, targetRepo, targetBranch, trimmedHostStr, string(mainDomainSuffix), canonicalDomainCache)
 				if !valid {
 					html.ReturnErrorPage(ctx, fasthttp.StatusMisdirectedRequest)