resource/gitlab_project: Add ci_default_git_depth attribute

Closes: #1140

Author: timofurrer

docs/resources/project.md

@@ -86,6 +86,7 @@ resource "gitlab_project" "peters_repo" {
 - `build_timeout` (Number) The maximum amount of time, in seconds, that a job can run.
 - `builds_access_level` (String) Set the builds access level. Valid values are `disabled`, `private`, `enabled`.
 - `ci_config_path` (String) Custom Path to CI config file.
+- `ci_default_git_depth` (Number) Default number of revisions for shallow cloning.
 - `ci_forward_deployment_enabled` (Boolean) When a new deployment job starts, skip older deployment jobs that are still pending.
 - `container_expiration_policy` (Block List, Max: 1) Set the image cleanup policy for this project. **Note**: this field is sometimes named `container_expiration_policy_attributes` in the GitLab Upstream API. (see [below for nested schema](#nestedblock--container_expiration_policy))
 - `container_registry_access_level` (String) Set visibility of container registry, for this project. Valid values are `disabled`, `private`, `enabled`.

internal/provider/resource_gitlab_project.go

@@ -585,6 +585,12 @@ var resourceGitLabProjectSchema = map[string]*schema.Schema{
 		Type:        schema.TypeString,
 		Optional:    true,
 	},
+	"ci_default_git_depth": {
+		Description: "Default number of revisions for shallow cloning.",
+		Type:        schema.TypeInt,
+		Optional:    true,
+		Computed:    true,
+	},
 }
 
 var validContainerExpirationPolicyAttributesCadenceValues = []string{
@@ -756,6 +762,8 @@ func resourceGitlabProjectSetToState(ctx context.Context, client *gitlab.Client,
 	//Note: This field is deprecated and will always be an empty string starting in GitLab 15.0.
 	d.Set("build_coverage_regex", project.BuildCoverageRegex)
 
+	d.Set("ci_default_git_depth", project.CIDefaultGitDepth)
+
 	return nil
 }
 
@@ -1146,6 +1154,10 @@ func resourceGitlabProjectCreate(ctx context.Context, d *schema.ResourceData, me
 		editProjectOptions.MergeTrainsEnabled = gitlab.Bool(v.(bool))
 	}
 
+	if v, ok := d.GetOk("ci_default_git_depth"); ok {
+		editProjectOptions.CIDefaultGitDepth = gitlab.Int(v.(int))
+	}
+
 	if (editProjectOptions != gitlab.EditProjectOptions{}) {
 		if _, _, err := client.Projects.EditProject(d.Id(), &editProjectOptions, gitlab.WithContext(ctx)); err != nil {
 			return diag.Errorf("Could not update project %q: %s", d.Id(), err)
@@ -1461,6 +1473,10 @@ func resourceGitlabProjectUpdate(ctx context.Context, d *schema.ResourceData, me
 		options.MergeCommitTemplate = gitlab.String(d.Get("merge_commit_template").(string))
 	}
 
+	if d.HasChange("ci_default_git_depth") {
+		options.CIDefaultGitDepth = gitlab.Int(d.Get("ci_default_git_depth").(int))
+	}
+
 	if *options != (gitlab.EditProjectOptions{}) {
 		log.Printf("[DEBUG] update gitlab project %s", d.Id())
 		_, _, err := client.Projects.EditProject(d.Id(), options, gitlab.WithContext(ctx))

internal/provider/resource_gitlab_project_test.go

@@ -1623,6 +1623,7 @@ resource "gitlab_project" "foo" {
   wiki_access_level = "enabled"
   squash_commit_template = "hello squash"
   merge_commit_template = "hello merge"
+  ci_default_git_depth = 42
 }
 	`, rInt, rInt, defaultBranchStatement)
 }
@@ -1723,6 +1724,7 @@ resource "gitlab_project" "foo" {
   wiki_access_level = "disabled"
   squash_commit_template = "goodby squash"
   merge_commit_template = "goodby merge"
+  ci_default_git_depth = 84
 }
 	`, rInt, rInt)
 }
@@ -2061,6 +2063,7 @@ resource "gitlab_project" "foo" {
   wiki_access_level = "enabled"
   squash_commit_template = "hello squash"
   merge_commit_template = "hello merge"
+  ci_default_git_depth = 42
 
   # EE features
   approvals_before_merge = 2