Merge with crew

tests/test-manifest-merging

@@ -0,0 +1,34 b''
+#!/bin/sh
+
+echo % init foo-base
+hg init foo-base
+
+echo % create alpha in first repo
+cd foo-base
+echo 'alpha' > alpha
+hg ci -A -m 'add alpha' -d '1 0'
+cd ..
+
+echo % clone foo-base to foo-work
+hg clone foo-base foo-work
+
+echo % create beta in second repo
+cd foo-work
+echo 'beta' > beta
+hg ci -A -m 'add beta' -d '2 0'
+cd ..
+
+echo % create gamma in first repo
+cd foo-base
+echo 'gamma' > gamma
+hg ci -A -m 'add gamma' -d '3 0'
+cd ..
+
+echo % pull into work and merge
+cd foo-work
+hg pull -q
+hg merge
+
+echo % revert to changeset 1 to simulate a failed merge
+rm -fr *
+hg up -C 1

tests/test-manifest-merging.out

@@ -0,0 +1,14 b''
+% init foo-base
+% create alpha in first repo
+adding alpha
+% clone foo-base to foo-work
+1 files updated, 0 files merged, 0 files removed, 0 files unresolved
+% create beta in second repo
+adding beta
+% create gamma in first repo
+adding gamma
+% pull into work and merge
+1 files updated, 0 files merged, 0 files removed, 0 files unresolved
+(branch merge, don't forget to commit)
+% revert to changeset 1 to simulate a failed merge
+2 files updated, 0 files merged, 0 files removed, 0 files unresolved

mercurial/context.py

@@ -367,7 +367,8 b' class workingctx(changectx):'
                 man.set(f, util.is_exec(self._repo.wjoin(f), man.execf(f)))
 
         for f in deleted + removed:
-            del man[f]
+            if f in man:
+                del man[f]
 
         self._manifest = man