diff --git a/clients/azuredevopsrepo/branches.go b/clients/azuredevopsrepo/branches.go
index b5b1be34265..900831b70cb 100644
--- a/clients/azuredevopsrepo/branches.go
+++ b/clients/azuredevopsrepo/branches.go
@@ -91,7 +91,10 @@ func (b *branchesHandler) getBranch(branchName string) (*clients.BranchRef, erro
 	}
 
 	refName := fmt.Sprintf("refs/heads/%s", *branch.Name)
-	repositoryID := uuid.MustParse(b.repourl.id)
+	repositoryID, err := uuid.Parse(b.repourl.id)
+	if err != nil {
+		return nil, fmt.Errorf("error parsing repository ID %s: %w", b.repourl.id, err)
+	}
 	args := git.GetPolicyConfigurationsArgs{
 		RepositoryId: &repositoryID,
 		RefName:      &refName,
diff --git a/clients/azuredevopsrepo/builds.go b/clients/azuredevopsrepo/builds.go
index 875301e67c5..17832c68ad2 100644
--- a/clients/azuredevopsrepo/builds.go
+++ b/clients/azuredevopsrepo/builds.go
@@ -16,7 +16,6 @@ package azuredevopsrepo
 
 import (
 	"context"
-	"sync"
 
 	"github.com/microsoft/azure-devops-go-api/azuredevops/v7/build"
 
@@ -25,7 +24,6 @@ import (
 
 type buildsHandler struct {
 	ctx                 context.Context
-	once                *sync.Once
 	repourl             *Repo
 	buildClient         build.Client
 	getBuildDefinitions fnListBuildDefinitions
@@ -45,7 +43,6 @@ type (
 
 func (b *buildsHandler) init(ctx context.Context, repourl *Repo) {
 	b.ctx = ctx
-	b.once = new(sync.Once)
 	b.repourl = repourl
 	b.getBuildDefinitions = b.buildClient.GetDefinitions
 	b.getBuilds = b.buildClient.GetBuilds
@@ -80,12 +77,11 @@ func (b *buildsHandler) listSuccessfulBuilds(filename string) ([]clients.Workflo
 		continuationToken = response.ContinuationToken
 	}
 
-	buildIds := make([]int, 0)
+	buildIds := make([]int, 0, len(buildDefinitions))
 	for i := range buildDefinitions {
 		buildIds = append(buildIds, *buildDefinitions[i].Id)
 	}
 
-	workflowRuns := make([]clients.WorkflowRun, 0)
 	args := build.GetBuildsArgs{
 		Project:      &b.repourl.project,
 		Definitions:  &buildIds,
@@ -96,6 +92,7 @@ func (b *buildsHandler) listSuccessfulBuilds(filename string) ([]clients.Workflo
 		return nil, err
 	}
 
+	workflowRuns := make([]clients.WorkflowRun, 0, len(builds.Value))
 	for i := range builds.Value {
 		currentBuild := builds.Value[i]
 		workflowRuns = append(workflowRuns, clients.WorkflowRun{
diff --git a/clients/azuredevopsrepo/commits.go b/clients/azuredevopsrepo/commits.go
index 844bbb11292..df741bf1a2a 100644
--- a/clients/azuredevopsrepo/commits.go
+++ b/clients/azuredevopsrepo/commits.go
@@ -73,7 +73,7 @@ type (
 func (c *commitsHandler) setup() error {
 	c.once.Do(func() {
 		var itemVersion git.GitVersionDescriptor
-		if c.repourl.commitSHA == HeadCommit {
+		if c.repourl.commitSHA == headCommit {
 			itemVersion = git.GitVersionDescriptor{
 				VersionType: &git.GitVersionTypeValues.Branch,
 				Version:     &c.repourl.defaultBranch,
@@ -232,7 +232,7 @@ func (c *commitsHandler) getFirstCommitCreatedAt() (time.Time, error) {
 }
 
 func (c *commitsHandler) listStatuses(ref string) ([]clients.Status, error) {
-	matched, err := regexp.MatchString("^[0-9a-f]{5,40}$", ref)
+	matched, err := regexp.MatchString("^[0-9a-fA-F]{40}$", ref)
 	if err != nil {
 		return nil, fmt.Errorf("error matching ref: %w", err)
 	}
diff --git a/clients/azuredevopsrepo/commits_test.go b/clients/azuredevopsrepo/commits_test.go
index 2257ac29c73..c70578e27d6 100644
--- a/clients/azuredevopsrepo/commits_test.go
+++ b/clients/azuredevopsrepo/commits_test.go
@@ -68,7 +68,7 @@ func Test_listStatuses(t *testing.T) {
 			wantErr: false,
 		},
 		{
-			name: "head - no statuses",
+			name: "HEAD - no statuses",
 			ref:  "main",
 			getRefs: func(ctx context.Context, args git.GetRefsArgs) (*git.GetRefsResponseValue, error) {
 				return &git.GetRefsResponseValue{
@@ -83,7 +83,7 @@ func Test_listStatuses(t *testing.T) {
 			wantErr: false,
 		},
 		{
-			name: "head - single status",
+			name: "HEAD - single status",
 			ref:  "main",
 			getRefs: func(ctx context.Context, args git.GetRefsArgs) (*git.GetRefsResponseValue, error) {
 				return &git.GetRefsResponseValue{
diff --git a/clients/azuredevopsrepo/const.go b/clients/azuredevopsrepo/const.go
index 18306627256..13743aba0d4 100644
--- a/clients/azuredevopsrepo/const.go
+++ b/clients/azuredevopsrepo/const.go
@@ -15,5 +15,5 @@
 package azuredevopsrepo
 
 const (
-	HeadCommit = "HEAD"
+	headCommit = "HEAD"
 )
diff --git a/clients/azuredevopsrepo/search_commits.go b/clients/azuredevopsrepo/search_commits.go
index 5974d8196f5..42f017567be 100644
--- a/clients/azuredevopsrepo/search_commits.go
+++ b/clients/azuredevopsrepo/search_commits.go
@@ -47,7 +47,7 @@ func (s *searchCommitsHandler) searchCommits(searchOptions clients.SearchCommits
 	skip := 0
 
 	var itemVersion git.GitVersionDescriptor
-	if s.repourl.commitSHA == HeadCommit {
+	if s.repourl.commitSHA == headCommit {
 		itemVersion = git.GitVersionDescriptor{
 			VersionType: &git.GitVersionTypeValues.Branch,
 			Version:     &s.repourl.defaultBranch,
diff --git a/clients/azuredevopsrepo/zip.go b/clients/azuredevopsrepo/zip.go
index b0238cecbe6..1476d4e14e6 100644
--- a/clients/azuredevopsrepo/zip.go
+++ b/clients/azuredevopsrepo/zip.go
@@ -110,7 +110,7 @@ func (z *zipHandler) getZipfile() error {
 	queryParams.Add("resolveLfs", "true")
 	queryParams.Add("$format", "zip")
 
-	if z.repourl.commitSHA == HeadCommit {
+	if z.repourl.commitSHA == headCommit {
 		queryParams.Add("versionDescriptor.versionType", "branch")
 		queryParams.Add("versionDescriptor.version", z.repourl.defaultBranch)
 	} else {