[PATCH v2 2/4] fetch2: make curl method activable with BB_FETCH_METHOD_HTTP

[Pascal Eberhard <pascal.eberhard@se.com>]

wget is the default fetch method. curl fetch method can be activated by
setting bitbake variable:
  BB_FETCH_METHOD_HTTP = "curl"

Signed-off-by: Pascal Eberhard <pascal.eberhard@se.com>
---
 lib/bb/fetch2/__init__.py |  2 ++
 lib/bb/fetch2/wget.py     | 10 ++++++++++
 2 files changed, 12 insertions(+)

diff --git a/lib/bb/fetch2/__init__.py b/lib/bb/fetch2/__init__.py
index aaefd8602..dc1158b38 100644
--- a/lib/bb/fetch2/__init__.py
+++ b/lib/bb/fetch2/__init__.py
@@ -2107,6 +2107,7 @@ from . import gitannex
 from . import local
 from . import svn
 from . import wget
+from . import curl
 from . import ssh
 from . import sftp
 from . import s3
@@ -2123,6 +2124,7 @@ from . import gomod
 
 methods.append(local.Local())
 methods.append(wget.Wget())
+methods.append(curl.Curl())
 methods.append(svn.Svn())
 methods.append(git.Git())
 methods.append(gitsm.GitSM())
diff --git a/lib/bb/fetch2/wget.py b/lib/bb/fetch2/wget.py
index 4e3505599..3b1993f29 100644
--- a/lib/bb/fetch2/wget.py
+++ b/lib/bb/fetch2/wget.py
@@ -60,10 +60,20 @@ class Wget(FetchMethod):
         """
         return (d.getVar("BB_CHECK_SSL_CERTS") or "1") != "0"
 
+    def is_enabled(self, d):
+        """
+        wget method is enabled when BB_FETCH_METHOD_HTTP = "wget" or by default
+        when BB_FETCH_METHOD_HTTP variable is not set.
+        """
+        method_http: str = d.getVar("BB_FETCH_METHOD_HTTP") or "wget"
+        return method_http == "wget"
+
     def supports(self, ud, d):
         """
         Check to see if a given url can be fetched with wget.
         """
+        if not self.is_enabled(d):
+            return False
         return ud.type in ['http', 'https', 'ftp', 'ftps']
 
     def recommends_checksum(self, urldata):

-- 
2.43.0