summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--morphlib/git.py11
-rw-r--r--morphlib/plugins/branch_and_merge_plugin.py13
-rwxr-xr-xtests.branching/merge.script2
-rw-r--r--tests.branching/merge.stdout2
4 files changed, 24 insertions, 4 deletions
diff --git a/morphlib/git.py b/morphlib/git.py
index 9ab98ad0..5862ef9b 100644
--- a/morphlib/git.py
+++ b/morphlib/git.py
@@ -196,6 +196,17 @@ def checkout_ref(runcmd, gitdir, ref):
'''Checks out a specific ref/SHA1 in a git working tree.'''
runcmd(['git', 'checkout', ref], cwd=gitdir)
+
+def index_has_changes(runcmd, gitdir):
+ '''Returns True if there are no staged changes to commit'''
+ try:
+ runcmd(['git', 'diff-index', '--cached', '--quiet',
+ '--ignore-submodules', 'HEAD'], cwd=gitdir)
+ except cliapp.AppException:
+ return True
+ return False
+
+
def reset_workdir(runcmd, gitdir):
'''Removes any differences between the current commit '''
'''and the status of the working directory'''
diff --git a/morphlib/plugins/branch_and_merge_plugin.py b/morphlib/plugins/branch_and_merge_plugin.py
index c81c95c8..75935b72 100644
--- a/morphlib/plugins/branch_and_merge_plugin.py
+++ b/morphlib/plugins/branch_and_merge_plugin.py
@@ -685,6 +685,8 @@ class BranchAndMergePlugin(cliapp.Plugin):
merge_chunk(old_ci, ci)
if changed:
self.save_morphology(to_repo, si['morph'], stratum)
+ self.app.runcmd(['git', 'add', si['morph'] + '.morph'],
+ cwd=to_repo)
from_root_dir = self.find_repository(from_branch_dir, root_repo)
to_root_dir = self.find_repository(to_branch_dir, root_repo)
@@ -718,11 +720,16 @@ class BranchAndMergePlugin(cliapp.Plugin):
merge_stratum(old_si, si)
if changed:
self.save_morphology(to_root_dir, name, morphology)
+ self.app.runcmd(['git', 'add', f], cwd=to_root_dir)
for repo_dir in dirty_repos:
- msg = "Merge system branch '%s'" % from_branch
- self.app.runcmd(['git', 'commit', '--all', '--message=%s' % msg],
- cwd=repo_dir)
+ # Repo will often turn out to not be dirty: if the changes we
+ # merged only updated refs to the system branch, we will have
+ # changed them back again so that the index will now be empty.
+ if morphlib.git.index_has_changes(self.app.runcmd, repo_dir):
+ msg = "Merge system branch '%s'" % from_branch
+ self.app.runcmd(['git', 'commit', '--all', '-m%s' % msg],
+ cwd=repo_dir)
def build(self, args):
if len(args) != 1:
diff --git a/tests.branching/merge.script b/tests.branching/merge.script
index d8a28cb3..21a30116 100755
--- a/tests.branching/merge.script
+++ b/tests.branching/merge.script
@@ -49,6 +49,8 @@ git status --short # make sure all changes are committed
cd ../baserock:morphs
! grep "\"ref\": \"baserock/newbranch\"" *.morph
+# The only change here was the branch refs, which have now been
+# changed back - so there should not be any new commits.
echo "Commit message for baserock:morphs"
git cat-file commit HEAD | tail -n 1
diff --git a/tests.branching/merge.stdout b/tests.branching/merge.stdout
index e5127734..6806f75a 100644
--- a/tests.branching/merge.stdout
+++ b/tests.branching/merge.stdout
@@ -1,5 +1,5 @@
Commit message for baserock:morphs
-Merge system branch 'baserock/newbranch'
+initial
Commit message for baserock:hello
Merge system branch 'baserock/newbranch'