Fix Github auth on Azure Pipelines (#1202)

* Fix Github auth on Azure Pipelines

Fix issue when using `VALIDATE_ALL_CODEBASE: false` on Azure Pipelines by defining auth header in CI env variable GIT_AUTHORIZATION_BEARER ([#1125](#1125))

* [MegaLinter] Apply linters fixes

* Update doc for Azure

Co-authored-by: nvuillam <nvuillam@users.noreply.github.com>

CHANGELOG.md

@@ -10,6 +10,7 @@ Note: Can be used with `megalinter/megalinter@beta` in your GitHub Action mega-l
 
 - New reporter **GITLAB_COMMENT_REPORTER** allowing to post MegaLinter results as comments on Gitlab merge requests
 - Fix v5 doc deployment when there is a new release ([1190](https://github.com/megalinter/megalinter/issues/1190))
+- Fix issue when using `VALIDATE_ALL_CODEBASE: false` on Azure Pipelines by defining auth header in CI env variable GIT_AUTHORIZATION_BEARER ([#1125](https://github.com/megalinter/megalinter/issues/1125))
 
 - Linter versions upgrades
   - [stylelint](https://stylelint.io) from 14.2.0 to **14.3.0** on 2022-01-23

README.md

@@ -430,8 +430,8 @@ You may activate [File.io reporter](https://megalinter.github.io/reporters/FileI
     steps:
     - script: |
         docker pull megalinter/megalinter:v5
-        docker run -v $(System.DefaultWorkingDirectory):/tmp/lint megalinter/megalinter
-      displayName: 'Code Scan using MegaLinter'
+        docker run -v $(System.DefaultWorkingDirectory):/tmp/lint -e GIT_AUTHORIZATION_BEARER=$(System.AccessToken) megalinter/megalinter:v5
+      displayName: 'MegaLinter analysis'
 ```
 
 ### Jenkins

megalinter/MegaLinter.py

@@ -498,6 +498,13 @@ def list_files_git_diff(self):
             "Listing updated files in [" + self.github_workspace + "] using git diff."
         )
         repo = git.Repo(os.path.realpath(self.github_workspace))
+        # Add auth header if necessary
+        if config.get("GIT_AUTHORIZATION_BEARER", "") != "":
+            auth_bearer = "Authorization: Bearer " + config.get(
+                "GIT_AUTHORIZATION_BEARER"
+            )
+            repo.config_writer().set_value("http", "extraheader", auth_bearer).release()
+        # Fetch base branch content
         default_branch = config.get("DEFAULT_BRANCH", "HEAD")
         default_branch_remote = f"origin/{default_branch}"
         if default_branch_remote not in [ref.name for ref in repo.refs]:
@@ -507,7 +514,7 @@ def list_files_git_diff(self):
             local_ref = f"refs/remotes/{default_branch_remote}"
             # Try to fetch default_branch from origin, because it isn't cached locally.
             repo.git.fetch("origin", f"{remote_ref}:{local_ref}")
-
+        # Make git diff to list files
         diff = repo.git.diff(default_branch_remote, name_only=True)
         logging.info(f"Modified files:\n{diff}")
         all_files = list()