[git] make force=True apply to git fetches (#68691)

Fixes #67972

Signed-off-by: Rick Elrod <rick@elrod.me>

changelogs/fragments/67972-git-fetch-force.yml

@@ -0,0 +1,2 @@
+bugfixes:
+  - git - when force=True, apply --force flag to git fetches as well

lib/ansible/modules/source_control/git.py

@@ -749,7 +749,7 @@ def set_remote_url(git_path, module, repo, dest, remote):
     return remote_url is not None
 
 
-def fetch(git_path, module, repo, dest, version, remote, depth, bare, refspec, git_version_used):
+def fetch(git_path, module, repo, dest, version, remote, depth, bare, refspec, git_version_used, force=False):
     ''' updates repo from remote sources '''
     set_remote_url(git_path, module, repo, dest, remote)
     commands = []
@@ -797,6 +797,10 @@ def fetch(git_path, module, repo, dest, version, remote, depth, bare, refspec, g
                 refspecs = ['+refs/tags/*:refs/tags/*']
         if refspec:
             refspecs.append(refspec)
+
+    if force:
+        fetch_cmd.append('--force')
+
     fetch_cmd.extend([remote])
 
     commands.append((fetch_str, fetch_cmd + refspecs))
@@ -1230,7 +1234,7 @@ def main():
                     result['diff'] = diff
             module.exit_json(**result)
         else:
-            fetch(git_path, module, repo, dest, version, remote, depth, bare, refspec, git_version_used)
+            fetch(git_path, module, repo, dest, version, remote, depth, bare, refspec, git_version_used, force=force)
 
         result['after'] = get_version(module, git_path, dest)
 

test/integration/targets/git/tasks/forcefully-fetch-tag.yml

@@ -0,0 +1,38 @@
+# Tests against https://github.com/ansible/ansible/issues/67972
+
+# Do our first clone manually; there are no commits yet and Ansible doesn't like
+# that.
+- name: FORCEFULLY-FETCH-TAG | Clone the bare repo in a non-bare clone
+  shell: git clone {{ repo_dir }}/tag_force_push {{ repo_dir }}/tag_force_push_clone1
+
+- name: FORCEFULLY-FETCH-TAG | Prepare repo with a tag
+  shell: |
+    echo 1337 > leet;
+    git add leet;
+    git commit -m uh-oh;
+    git tag -f herewego;
+    git push --tags origin master
+  args:
+    chdir: "{{ repo_dir }}/tag_force_push_clone1"
+
+- name: FORCEFULLY-FETCH-TAG | clone the repo for the second time
+  git:
+    repo: "{{ repo_dir }}/tag_force_push"
+    dest: "{{ repo_dir }}/tag_force_push_clone2"
+
+- name: FORCEFULLY-FETCH-TAG | Forcefully overwrite the tag in clone1
+  shell: |
+    echo 1338 > leet;
+    git add leet;
+    git commit -m uh-oh;
+    git tag -f herewego;
+    git push -f --tags origin master
+  args:
+    chdir: "{{ repo_dir }}/tag_force_push_clone1"
+
+- name: FORCEFULLY-FETCH-TAG | Try to update the second clone
+  git:
+    repo: "{{ repo_dir }}/tag_force_push"
+    dest: "{{ repo_dir }}/tag_force_push_clone2"
+    force: yes
+  register: git_res

test/integration/targets/git/tasks/main.yml

@@ -37,3 +37,4 @@
 - include_tasks: ambiguous-ref.yml
 - include_tasks: archive.yml
 - include_tasks: separate-git-dir.yml
+- include_tasks: forcefully-fetch-tag.yml

test/integration/targets/git/tasks/setup-local-repos.yml

@@ -6,6 +6,7 @@
     - "{{ repo_dir }}/minimal"
     - "{{ repo_dir }}/shallow"
     - "{{ repo_dir }}/shallow_branches"
+    - "{{ repo_dir }}/tag_force_push"
 
 - name: SETUP-LOCAL-REPOS | prepare minimal git repo
   shell: git init; echo "1" > a; git add a; git commit -m "1"
@@ -26,7 +27,7 @@
   args:
     chdir: "{{ repo_dir }}/shallow"
 
-- name: prepare tmp git repo with two branches
+- name: SETUP-LOCAL-REPOS | prepare tmp git repo with two branches
   shell: |
     git init
     echo "1" > a; git add a; git commit -m "1"
@@ -34,3 +35,11 @@
     git checkout -b new_branch; echo "3" > a; git commit -m "3 on new branch" a
   args:
     chdir: "{{ repo_dir }}/shallow_branches"
+
+# Make this a bare one, we need to be able to push to it from clones
+# We make the repo here for consistency with the other repos,
+# but we finish setting it up in forcefully-fetch-tag.yml.
+- name: SETUP-LOCAL-REPOS | prepare tag_force_push git repo
+  shell: git init --bare
+  args:
+    chdir: "{{ repo_dir }}/tag_force_push"