Update to new recipe system (S++ 2.0).

recipes/libjpeg-turbo/recipe.py

@@ -1,11 +1,21 @@
 
+import re
 from SCons.Script import *
 
-def cook(env: Environment, git_ref = 'main') -> dict:
-    repo = env.GitBranch(repo_name = 'libjpeg-turbo', remote_url = 'https://github.com/libjpeg-turbo/libjpeg-turbo.git', git_ref = git_ref)
+def _git_cook(env: Environment, repo: dict) -> dict:
     checkout_root = repo['checkout_root']
     build_result = env.CMakeProject(checkout_root)
     return {
         'CPPPATH': build_result['CPPPATH'],
         'LIBS': [env.FindLib('jpeg', paths=build_result['LIBPATH'])],
     }
+
+
+env.GitRecipe(
+    globals = globals(),
+    repo_name = 'libjpeg-turbo',
+    repo_url = 'https://github.com/libjpeg-turbo/libjpeg-turbo.git',
+    tag_pattern = re.compile(r'^([0-9]+)\.([0-9]+)\.([0-9]+)$'),
+    tag_fn = lambda version: f'{version[0]}.{version[1]}.{version[2]}',
+    cook_fn = _git_cook
+)