[PATCH 2 of 2] rebase: check for target rev in abort's dstates list (issue4896)

Christian Delahousse cdelahousse at fb.com
Tue Oct 13 17:07:55 CDT 2015


# HG changeset patch
# User Christian Delahousse <cdelahousse at fb.com>
# Date 1444770411 25200
#      Tue Oct 13 14:06:51 2015 -0700
# Node ID 8927b37165a7664ea4a5addefc7d9dbffdcae225
# Parent  4a52314eb7a983d2d0adbaadbe4d122132455e2a
rebase: check for target rev in abort's dstates list (issue4896)

When rebasing a set of changes onto a public changeset and having the first one
be skipped, abort fails. This fix adds a check to not allow the target rev into
the dstate list.

diff --git a/hgext/rebase.py b/hgext/rebase.py
--- a/hgext/rebase.py
+++ b/hgext/rebase.py
@@ -917,7 +917,11 @@
 
     activebookmark: the name of the bookmark that should be active after the
         restore'''
-    dstates = [s for s in state.values() if s >= 0]
+
+    # If the first commits in the rebased set get skipped during the rebase,
+    # their values within the state mapping will be the target rev id. The
+    # dstates list must must not contain the target rev (issue4896)
+    dstates = [s for s in state.values() if s >= 0 and s != target]
     immutable = [d for d in dstates if not repo[d].mutable()]
     cleanup = True
     if immutable:
diff --git a/tests/test-rebase-abort.t b/tests/test-rebase-abort.t
--- a/tests/test-rebase-abort.t
+++ b/tests/test-rebase-abort.t
@@ -322,3 +322,38 @@
   commit: (clean)
   update: 1 new changesets, 2 branch heads (merge)
   phases: 4 draft
+
+test aborting a rebase succeeds after rebasing with skipped commits onto a
+public changeset (issue4896)
+
+  $ hg init failonpublic
+  $ cd failonpublic
+  $ echo 'content' > root
+  $ hg commit -A -m 'root' -q
+
+set up public branch
+  $ echo 'content' > disappear
+  $ hg commit -A -m 'disappear public' -q
+commit will cause merge conflict on rebase
+  $ echo '' > root
+  $ hg commit -m 'remove content public' -q
+  $ hg phase --public
+
+setup the draft branch that will be rebased onto public commit
+  $ hg up -r 0 -q
+  $ echo 'content' > disappear
+commit will disappear
+  $ hg commit -A -m 'disappear draft' -q
+  $ echo 'addedcontADDEDentadded' > root
+commit will cause merge conflict on rebase
+  $ hg commit -m 'add content draft' -q
+
+  $ hg rebase -d 'public()' --tool :merge -q
+  note: rebase of 3:0682fd3dabf5 created no changes to commit
+  warning: conflicts during merge.
+  merging root incomplete! (edit conflicts, then use 'hg resolve --mark')
+  unresolved conflicts (see hg resolve, then hg rebase --continue)
+  [1]
+  $ hg rebase --abort
+  rebase aborted
+


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