Merge pull request #17847 from mantidproject/17842-conda-jenkins

Improve Conda-recipe-update script to be reused in Jenkins build

buildconfig/CMake/conda.cmake

 set(CONDA_WORKDIR "conda-packaging")
-configure_file(buildconfig/CMake/conda-update-recipe.py.in ${CONDA_WORKDIR}/conda-update-recipe.py)
+configure_file(buildconfig/CMake/conda_update_recipe.py.in ${CONDA_WORKDIR}/conda_update_recipe.py)
 add_custom_target(
   conda-update-recipe
-  COMMAND python conda-update-recipe.py
+  COMMAND python conda_update_recipe.py
   WORKING_DIRECTORY ${CONDA_WORKDIR}
   )

buildconfig/CMake/conda-update-recipe.py.in → buildconfig/CMake/conda_update_recipe.py.in

@@ -5,17 +5,24 @@ git_rev = "@MtdVersion_WC_LAST_CHANGED_SHA_LONG@"
 
 import subprocess as sp, shlex, os
 
-def main():
+def checkout(repo_path):
     # checkout recipe
-    if not os.path.exists('conda-recipes'):
+    if not os.path.exists(repo_path):
         cmd = 'git clone git@github.com:mantidproject/conda-recipes'
         sp.check_call(cmd.split())
     else:
         cmd = 'git pull'
-        sp.check_call(cmd.split(), cwd='conda-recipes')
+        sp.check_call(cmd.split(), cwd=repo_path)
+    return
+
 
+def update_meta_yaml(repo_path, recipe_path=None):
+    "return: True if updated"
+    recipe_path = recipe_path or 'framework'
+    if not os.path.isabs(recipe_path):
+        recipe_path = os.path.join(repo_path, recipe_path)
     # change framework meta.yaml
-    path = 'conda-recipes/framework/meta.yaml'
+    path = os.path.join(recipe_path, 'meta.yaml')
     header = []
     header.append('{% set version = "' + '%s' % version + '" %}')
     header.append('{% set git_rev = "' + '%s' % git_rev + '" %}')
@@ -25,16 +32,32 @@ def main():
     # if nothing changed just exit
     if header == old_header:
         print "Nothing changed. Skipping."
-        return
+        return False
     open(path, 'wt').write('\n'.join(header+body))
+    return True
 
+
+def commit(repo_path):
     # commit
     cmd = 'git commit -m "update version and git_rev" framework/meta.yaml'
-    sp.check_call(shlex.split(cmd), cwd="conda-recipes")
+    sp.check_call(shlex.split(cmd), cwd=repo_path)
+    return
+
 
+def push(repo_path):
     # push
     cmd = 'git push'
-    sp.check_call(cmd.split(), cwd="conda-recipes")
+    sp.check_call(cmd.split(), cwd=repo_path)
     return
 
+
+def main():
+    repo_path = 'conda-recipes'
+    checkout(repo_path)
+    if update_meta_yaml(repo_path):
+        commit(repo_path)
+        push(repo_path)
+    return
+
+
 if __name__ == '__main__': main()