Mercurial > public > mercurial-scm > hg-stable

diff mercurial/merge.py @ 34680:c0a524f77e8a

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merge: ensure that we always commit the mergestate In future patches, we may halt the merge process based on configuration or user requests by raising exceptions. We need to ensure that the mergestate is unconditionally committed even when such an exception is raised. Depends on D930. Differential Revision: https://phab.mercurial-scm.org/D931
author Ryan McElroy <rmcelroy@fb.com>
date Fri, 06 Oct 2017 06:48:43 -0700
parents 1248aa48cac9
children 9c899660700a
line wrap: on
line diff
--- a/mercurial/merge.py	Fri Oct 06 06:48:43 2017 -0700
+++ b/mercurial/merge.py	Fri Oct 06 06:48:43 2017 -0700
@@ -1537,30 +1537,32 @@
                 newactions.append((f, args, msg))
         mergeactions = newactions
 
-    # premerge
-    tocomplete = []
-    for f, args, msg in mergeactions:
-        repo.ui.debug(" %s: %s -> m (premerge)\n" % (f, msg))
-        z += 1
-        progress(_updating, z, item=f, total=numupdates, unit=_files)
-        if f == '.hgsubstate': # subrepo states need updating
-            subrepo.submerge(repo, wctx, mctx, wctx.ancestor(mctx),
-                             overwrite, labels)
-            continue
-        wctx[f].audit()
-        complete, r = ms.preresolve(f, wctx)
-        if not complete:
-            numupdates += 1
-            tocomplete.append((f, args, msg))
+    try:
+        # premerge
+        tocomplete = []
+        for f, args, msg in mergeactions:
+            repo.ui.debug(" %s: %s -> m (premerge)\n" % (f, msg))
+            z += 1
+            progress(_updating, z, item=f, total=numupdates, unit=_files)
+            if f == '.hgsubstate': # subrepo states need updating
+                subrepo.submerge(repo, wctx, mctx, wctx.ancestor(mctx),
+                                 overwrite, labels)
+                continue
+            wctx[f].audit()
+            complete, r = ms.preresolve(f, wctx)
+            if not complete:
+                numupdates += 1
+                tocomplete.append((f, args, msg))
 
-    # merge
-    for f, args, msg in tocomplete:
-        repo.ui.debug(" %s: %s -> m (merge)\n" % (f, msg))
-        z += 1
-        progress(_updating, z, item=f, total=numupdates, unit=_files)
-        ms.resolve(f, wctx)
+        # merge
+        for f, args, msg in tocomplete:
+            repo.ui.debug(" %s: %s -> m (merge)\n" % (f, msg))
+            z += 1
+            progress(_updating, z, item=f, total=numupdates, unit=_files)
+            ms.resolve(f, wctx)
 
-    ms.commit()
+    finally:
+        ms.commit()
 
     unresolved = ms.unresolvedcount()