view tests/test-mq-header-from.t @ 40053:8c692a6b5ad1

fuzz: new fuzzer for cext/manifest.c

This is a bit messy, because lazymanifest is tightly coupled to the
cpython API for performance reasons. As a result, we have to build a
whole Python without pymalloc (so ASAN can help us out) and link
against that. Then we have to use an embedded Python interpreter. We
could manually drive the lazymanifest in C from that point, but
experimentally just using PyEval_EvalCode isn't really any slower so
we may as well do that and write the innermost guts of the fuzzer in
Python.

Leak detection is currently disabled for this fuzzer because there are
a few global-lifetime things in our extensions that we more or less
intentionally leak and I didn't want to take the detour to work around
that for now.

This should not be pushed to our repo until
https://github.com/google/oss-fuzz/pull/1853 is merged, as this
depends on having the Python tarball around.

Differential Revision: https://phab.mercurial-scm.org/D4879

  $ echo "[extensions]" >> $HGRCPATH
  $ echo "mq=" >> $HGRCPATH
  $ echo "[diff]" >> $HGRCPATH
  $ echo "nodates=true" >> $HGRCPATH
  $ catlog() {
  >     cat .hg/patches/$1.patch | sed -e "s/^diff \-r [0-9a-f]* /diff -r ... /" \
  >                                    -e "s/^\(# Parent \).*/\1/"
  >     hg log --template "{rev}: {node|short} {desc} - {author}\n"
  > }
  $ runtest() {
  >     echo ==== init
  >     hg init a
  >     cd a
  >     hg qinit
  > 
  > 
  >     echo ==== qnew -U
  >     hg qnew -U 1.patch
  >     catlog 1
  > 
  >     echo ==== qref
  >     echo "1" >1
  >     hg add
  >     hg qref
  >     catlog 1
  > 
  >     echo ==== qref -u
  >     hg qref -u mary
  >     catlog 1
  > 
  >     echo ==== qnew
  >     hg qnew 2.patch
  >     echo "2" >2
  >     hg add
  >     hg qref
  >     catlog 2
  > 
  >     echo ==== qref -u
  >     hg qref -u jane
  >     catlog 2
  > 
  > 
  >     echo ==== qnew -U -m
  >     hg qnew -U -m "Three" 3.patch
  >     catlog 3
  > 
  >     echo ==== qref
  >     echo "3" >3
  >     hg add
  >     hg qref
  >     catlog 3
  > 
  >     echo ==== qref -m
  >     hg qref -m "Drei"
  >     catlog 3
  > 
  >     echo ==== qref -u
  >     hg qref -u mary
  >     catlog 3
  > 
  >     echo ==== qref -u -m
  >     hg qref -u maria -m "Three (again)"
  >     catlog 3
  > 
  >     echo ==== qnew -m
  >     hg qnew -m "Four" 4.patch
  >     echo "4" >4of t
  >     hg add
  >     hg qref
  >     catlog 4
  > 
  >     echo ==== qref -u
  >     hg qref -u jane
  >     catlog 4
  > 
  > 
  >     echo ==== qnew with HG header
  >     hg qnew --config 'mq.plain=true' 5.patch
  >     hg qpop
  >     echo "# HG changeset patch" >>.hg/patches/5.patch
  >     echo "# User johndoe" >>.hg/patches/5.patch
  >     hg qpush 2>&1 | grep 'now at'
  >     catlog 5
  > 
  >     echo ==== hg qref
  >     echo "5" >5
  >     hg add
  >     hg qref
  >     catlog 5
  > 
  >     echo ==== hg qref -U
  >     hg qref -U
  >     catlog 5
  > 
  >     echo ==== hg qref -u
  >     hg qref -u johndeere
  >     catlog 5
  > 
  > 
  >     echo ==== qnew with plain header
  >     hg qnew --config 'mq.plain=true' -U 6.patch
  >     hg qpop
  >     hg qpush 2>&1 | grep 'now at'
  >     catlog 6
  > 
  >     echo ==== hg qref
  >     echo "6" >6
  >     hg add
  >     hg qref
  >     catlog 6
  > 
  >     echo ==== hg qref -U
  >     hg qref -U
  >     catlog 6
  > 
  >     echo ==== hg qref -u
  >     hg qref -u johndeere
  >     catlog 6
  > 
  > 
  >     echo ==== "qpop -a / qpush -a"
  >     hg qpop -a
  >     hg qpush -a
  >     hg log --template "{rev}: {node|short} {desc} - {author}\n"
  > }

======= plain headers

  $ echo "[mq]" >> $HGRCPATH
  $ echo "plain=true" >> $HGRCPATH
  $ mkdir sandbox
  $ (cd sandbox ; runtest)
  ==== init
  ==== qnew -U
  From: test
  
  0: a054644889e5 [mq]: 1.patch - test
  ==== qref
  adding 1
  From: test
  
  diff -r ... 1
  --- /dev/null
  +++ b/1
  @@ -0,0 +1,1 @@
  +1
  0: 2905f1e46ee0 [mq]: 1.patch - test
  ==== qref -u
  From: mary
  
  diff -r ... 1
  --- /dev/null
  +++ b/1
  @@ -0,0 +1,1 @@
  +1
  0: 3682f830e656 [mq]: 1.patch - mary
  ==== qnew
  adding 2
  diff -r ... 2
  --- /dev/null
  +++ b/2
  @@ -0,0 +1,1 @@
  +2
  1: 527f98a12a7a [mq]: 2.patch - test
  0: 3682f830e656 [mq]: 1.patch - mary
  ==== qref -u
  From: jane
  
  diff -r ... 2
  --- /dev/null
  +++ b/2
  @@ -0,0 +1,1 @@
  +2
  1: a425cde5f493 [mq]: 2.patch - jane
  0: 3682f830e656 [mq]: 1.patch - mary
  ==== qnew -U -m
  From: test
  
  Three
  
  2: 0ffa16a9088e Three - test
  1: a425cde5f493 [mq]: 2.patch - jane
  0: 3682f830e656 [mq]: 1.patch - mary
  ==== qref
  adding 3
  From: test
  
  Three
  
  diff -r ... 3
  --- /dev/null
  +++ b/3
  @@ -0,0 +1,1 @@
  +3
  2: 83f1290c6086 Three - test
  1: a425cde5f493 [mq]: 2.patch - jane
  0: 3682f830e656 [mq]: 1.patch - mary
  ==== qref -m
  From: test
  
  Drei
  
  diff -r ... 3
  --- /dev/null
  +++ b/3
  @@ -0,0 +1,1 @@
  +3
  2: b0d856328d4d Drei - test
  1: a425cde5f493 [mq]: 2.patch - jane
  0: 3682f830e656 [mq]: 1.patch - mary
  ==== qref -u
  From: mary
  
  Drei
  
  diff -r ... 3
  --- /dev/null
  +++ b/3
  @@ -0,0 +1,1 @@
  +3
  2: bb9d4b28e6a6 Drei - mary
  1: a425cde5f493 [mq]: 2.patch - jane
  0: 3682f830e656 [mq]: 1.patch - mary
  ==== qref -u -m
  From: maria
  
  Three (again)
  
  diff -r ... 3
  --- /dev/null
  +++ b/3
  @@ -0,0 +1,1 @@
  +3
  2: a6686ee84fc3 Three (again) - maria
  1: a425cde5f493 [mq]: 2.patch - jane
  0: 3682f830e656 [mq]: 1.patch - mary
  ==== qnew -m
  adding 4of
  Four
  
  diff -r ... 4of
  --- /dev/null
  +++ b/4of
  @@ -0,0 +1,1 @@
  +4 t
  3: b9f922d0da40 Four - test
  2: a6686ee84fc3 Three (again) - maria
  1: a425cde5f493 [mq]: 2.patch - jane
  0: 3682f830e656 [mq]: 1.patch - mary
  ==== qref -u
  From: jane
  
  Four
  
  diff -r ... 4of
  --- /dev/null
  +++ b/4of
  @@ -0,0 +1,1 @@
  +4 t
  3: 0dfb3111e7ee Four - jane
  2: a6686ee84fc3 Three (again) - maria
  1: a425cde5f493 [mq]: 2.patch - jane
  0: 3682f830e656 [mq]: 1.patch - mary
  ==== qnew with HG header
  popping 5.patch
  now at: 4.patch
  now at: 5.patch
  # HG changeset patch
  # User johndoe
  4: 72bc4a0467ef imported patch 5.patch - johndoe
  3: 0dfb3111e7ee Four - jane
  2: a6686ee84fc3 Three (again) - maria
  1: a425cde5f493 [mq]: 2.patch - jane
  0: 3682f830e656 [mq]: 1.patch - mary
  ==== hg qref
  adding 5
  # HG changeset patch
  # User johndoe
  # Parent 
  
  diff -r ... 5
  --- /dev/null
  +++ b/5
  @@ -0,0 +1,1 @@
  +5
  4: ff5c06112e5a [mq]: 5.patch - johndoe
  3: 0dfb3111e7ee Four - jane
  2: a6686ee84fc3 Three (again) - maria
  1: a425cde5f493 [mq]: 2.patch - jane
  0: 3682f830e656 [mq]: 1.patch - mary
  ==== hg qref -U
  # HG changeset patch
  # User test
  # Parent 
  
  diff -r ... 5
  --- /dev/null
  +++ b/5
  @@ -0,0 +1,1 @@
  +5
  4: c947416c22b1 [mq]: 5.patch - test
  3: 0dfb3111e7ee Four - jane
  2: a6686ee84fc3 Three (again) - maria
  1: a425cde5f493 [mq]: 2.patch - jane
  0: 3682f830e656 [mq]: 1.patch - mary
  ==== hg qref -u
  # HG changeset patch
  # User johndeere
  # Parent 
  
  diff -r ... 5
  --- /dev/null
  +++ b/5
  @@ -0,0 +1,1 @@
  +5
  4: 1d898e201a22 [mq]: 5.patch - johndeere
  3: 0dfb3111e7ee Four - jane
  2: a6686ee84fc3 Three (again) - maria
  1: a425cde5f493 [mq]: 2.patch - jane
  0: 3682f830e656 [mq]: 1.patch - mary
  ==== qnew with plain header
  popping 6.patch
  now at: 5.patch
  now at: 6.patch
  From: test
  
  5: 7825a18ec839 imported patch 6.patch - test
  4: 1d898e201a22 [mq]: 5.patch - johndeere
  3: 0dfb3111e7ee Four - jane
  2: a6686ee84fc3 Three (again) - maria
  1: a425cde5f493 [mq]: 2.patch - jane
  0: 3682f830e656 [mq]: 1.patch - mary
  ==== hg qref
  adding 6
  From: test
  
  diff -r ... 6
  --- /dev/null
  +++ b/6
  @@ -0,0 +1,1 @@
  +6
  5: 09d19592680d [mq]: 6.patch - test
  4: 1d898e201a22 [mq]: 5.patch - johndeere
  3: 0dfb3111e7ee Four - jane
  2: a6686ee84fc3 Three (again) - maria
  1: a425cde5f493 [mq]: 2.patch - jane
  0: 3682f830e656 [mq]: 1.patch - mary
  ==== hg qref -U
  From: test
  
  diff -r ... 6
  --- /dev/null
  +++ b/6
  @@ -0,0 +1,1 @@
  +6
  5: 09d19592680d [mq]: 6.patch - test
  4: 1d898e201a22 [mq]: 5.patch - johndeere
  3: 0dfb3111e7ee Four - jane
  2: a6686ee84fc3 Three (again) - maria
  1: a425cde5f493 [mq]: 2.patch - jane
  0: 3682f830e656 [mq]: 1.patch - mary
  ==== hg qref -u
  From: johndeere
  
  diff -r ... 6
  --- /dev/null
  +++ b/6
  @@ -0,0 +1,1 @@
  +6
  5: 32641ee07196 [mq]: 6.patch - johndeere
  4: 1d898e201a22 [mq]: 5.patch - johndeere
  3: 0dfb3111e7ee Four - jane
  2: a6686ee84fc3 Three (again) - maria
  1: a425cde5f493 [mq]: 2.patch - jane
  0: 3682f830e656 [mq]: 1.patch - mary
  ==== qpop -a / qpush -a
  popping 6.patch
  popping 5.patch
  popping 4.patch
  popping 3.patch
  popping 2.patch
  popping 1.patch
  patch queue now empty
  applying 1.patch
  applying 2.patch
  applying 3.patch
  applying 4.patch
  applying 5.patch
  applying 6.patch
  now at: 6.patch
  5: 1fb083c80457 imported patch 6.patch - johndeere
  4: 7e96e969691d imported patch 5.patch - johndeere
  3: c7147533d3cd Four - jane
  2: b383d04401ea Three (again) - maria
  1: fac2da4efc3c imported patch 2.patch - jane
  0: b6e237e8771b imported patch 1.patch - mary
  $ rm -r sandbox

======= hg headers

  $ echo "plain=false" >> $HGRCPATH
  $ mkdir sandbox
  $ (cd sandbox ; runtest)
  ==== init
  ==== qnew -U
  # HG changeset patch
  # User test
  # Parent 
  
  0: a054644889e5 [mq]: 1.patch - test
  ==== qref
  adding 1
  # HG changeset patch
  # User test
  # Parent 
  
  diff -r ... 1
  --- /dev/null
  +++ b/1
  @@ -0,0 +1,1 @@
  +1
  0: 2905f1e46ee0 [mq]: 1.patch - test
  ==== qref -u
  # HG changeset patch
  # User mary
  # Parent 
  
  diff -r ... 1
  --- /dev/null
  +++ b/1
  @@ -0,0 +1,1 @@
  +1
  0: 3682f830e656 [mq]: 1.patch - mary
  ==== qnew
  adding 2
  # HG changeset patch
  # Parent 
  
  diff -r ... 2
  --- /dev/null
  +++ b/2
  @@ -0,0 +1,1 @@
  +2
  1: 527f98a12a7a [mq]: 2.patch - test
  0: 3682f830e656 [mq]: 1.patch - mary
  ==== qref -u
  # HG changeset patch
  # User jane
  # Parent 
  
  diff -r ... 2
  --- /dev/null
  +++ b/2
  @@ -0,0 +1,1 @@
  +2
  1: a425cde5f493 [mq]: 2.patch - jane
  0: 3682f830e656 [mq]: 1.patch - mary
  ==== qnew -U -m
  # HG changeset patch
  # User test
  # Parent 
  Three
  
  2: 0ffa16a9088e Three - test
  1: a425cde5f493 [mq]: 2.patch - jane
  0: 3682f830e656 [mq]: 1.patch - mary
  ==== qref
  adding 3
  # HG changeset patch
  # User test
  # Parent 
  Three
  
  diff -r ... 3
  --- /dev/null
  +++ b/3
  @@ -0,0 +1,1 @@
  +3
  2: 83f1290c6086 Three - test
  1: a425cde5f493 [mq]: 2.patch - jane
  0: 3682f830e656 [mq]: 1.patch - mary
  ==== qref -m
  # HG changeset patch
  # User test
  # Parent 
  Drei
  
  diff -r ... 3
  --- /dev/null
  +++ b/3
  @@ -0,0 +1,1 @@
  +3
  2: b0d856328d4d Drei - test
  1: a425cde5f493 [mq]: 2.patch - jane
  0: 3682f830e656 [mq]: 1.patch - mary
  ==== qref -u
  # HG changeset patch
  # User mary
  # Parent 
  Drei
  
  diff -r ... 3
  --- /dev/null
  +++ b/3
  @@ -0,0 +1,1 @@
  +3
  2: bb9d4b28e6a6 Drei - mary
  1: a425cde5f493 [mq]: 2.patch - jane
  0: 3682f830e656 [mq]: 1.patch - mary
  ==== qref -u -m
  # HG changeset patch
  # User maria
  # Parent 
  Three (again)
  
  diff -r ... 3
  --- /dev/null
  +++ b/3
  @@ -0,0 +1,1 @@
  +3
  2: a6686ee84fc3 Three (again) - maria
  1: a425cde5f493 [mq]: 2.patch - jane
  0: 3682f830e656 [mq]: 1.patch - mary
  ==== qnew -m
  adding 4of
  # HG changeset patch
  # Parent 
  Four
  
  diff -r ... 4of
  --- /dev/null
  +++ b/4of
  @@ -0,0 +1,1 @@
  +4 t
  3: b9f922d0da40 Four - test
  2: a6686ee84fc3 Three (again) - maria
  1: a425cde5f493 [mq]: 2.patch - jane
  0: 3682f830e656 [mq]: 1.patch - mary
  ==== qref -u
  # HG changeset patch
  # User jane
  # Parent 
  Four
  
  diff -r ... 4of
  --- /dev/null
  +++ b/4of
  @@ -0,0 +1,1 @@
  +4 t
  3: 0dfb3111e7ee Four - jane
  2: a6686ee84fc3 Three (again) - maria
  1: a425cde5f493 [mq]: 2.patch - jane
  0: 3682f830e656 [mq]: 1.patch - mary
  ==== qnew with HG header
  popping 5.patch
  now at: 4.patch
  now at: 5.patch
  # HG changeset patch
  # User johndoe
  4: 72bc4a0467ef imported patch 5.patch - johndoe
  3: 0dfb3111e7ee Four - jane
  2: a6686ee84fc3 Three (again) - maria
  1: a425cde5f493 [mq]: 2.patch - jane
  0: 3682f830e656 [mq]: 1.patch - mary
  ==== hg qref
  adding 5
  # HG changeset patch
  # User johndoe
  # Parent 
  
  diff -r ... 5
  --- /dev/null
  +++ b/5
  @@ -0,0 +1,1 @@
  +5
  4: ff5c06112e5a [mq]: 5.patch - johndoe
  3: 0dfb3111e7ee Four - jane
  2: a6686ee84fc3 Three (again) - maria
  1: a425cde5f493 [mq]: 2.patch - jane
  0: 3682f830e656 [mq]: 1.patch - mary
  ==== hg qref -U
  # HG changeset patch
  # User test
  # Parent 
  
  diff -r ... 5
  --- /dev/null
  +++ b/5
  @@ -0,0 +1,1 @@
  +5
  4: c947416c22b1 [mq]: 5.patch - test
  3: 0dfb3111e7ee Four - jane
  2: a6686ee84fc3 Three (again) - maria
  1: a425cde5f493 [mq]: 2.patch - jane
  0: 3682f830e656 [mq]: 1.patch - mary
  ==== hg qref -u
  # HG changeset patch
  # User johndeere
  # Parent 
  
  diff -r ... 5
  --- /dev/null
  +++ b/5
  @@ -0,0 +1,1 @@
  +5
  4: 1d898e201a22 [mq]: 5.patch - johndeere
  3: 0dfb3111e7ee Four - jane
  2: a6686ee84fc3 Three (again) - maria
  1: a425cde5f493 [mq]: 2.patch - jane
  0: 3682f830e656 [mq]: 1.patch - mary
  ==== qnew with plain header
  popping 6.patch
  now at: 5.patch
  now at: 6.patch
  From: test
  
  5: 7825a18ec839 imported patch 6.patch - test
  4: 1d898e201a22 [mq]: 5.patch - johndeere
  3: 0dfb3111e7ee Four - jane
  2: a6686ee84fc3 Three (again) - maria
  1: a425cde5f493 [mq]: 2.patch - jane
  0: 3682f830e656 [mq]: 1.patch - mary
  ==== hg qref
  adding 6
  From: test
  
  diff -r ... 6
  --- /dev/null
  +++ b/6
  @@ -0,0 +1,1 @@
  +6
  5: 09d19592680d [mq]: 6.patch - test
  4: 1d898e201a22 [mq]: 5.patch - johndeere
  3: 0dfb3111e7ee Four - jane
  2: a6686ee84fc3 Three (again) - maria
  1: a425cde5f493 [mq]: 2.patch - jane
  0: 3682f830e656 [mq]: 1.patch - mary
  ==== hg qref -U
  From: test
  
  diff -r ... 6
  --- /dev/null
  +++ b/6
  @@ -0,0 +1,1 @@
  +6
  5: 09d19592680d [mq]: 6.patch - test
  4: 1d898e201a22 [mq]: 5.patch - johndeere
  3: 0dfb3111e7ee Four - jane
  2: a6686ee84fc3 Three (again) - maria
  1: a425cde5f493 [mq]: 2.patch - jane
  0: 3682f830e656 [mq]: 1.patch - mary
  ==== hg qref -u
  From: johndeere
  
  diff -r ... 6
  --- /dev/null
  +++ b/6
  @@ -0,0 +1,1 @@
  +6
  5: 32641ee07196 [mq]: 6.patch - johndeere
  4: 1d898e201a22 [mq]: 5.patch - johndeere
  3: 0dfb3111e7ee Four - jane
  2: a6686ee84fc3 Three (again) - maria
  1: a425cde5f493 [mq]: 2.patch - jane
  0: 3682f830e656 [mq]: 1.patch - mary
  ==== qpop -a / qpush -a
  popping 6.patch
  popping 5.patch
  popping 4.patch
  popping 3.patch
  popping 2.patch
  popping 1.patch
  patch queue now empty
  applying 1.patch
  applying 2.patch
  applying 3.patch
  applying 4.patch
  applying 5.patch
  applying 6.patch
  now at: 6.patch
  5: 1fb083c80457 imported patch 6.patch - johndeere
  4: 7e96e969691d imported patch 5.patch - johndeere
  3: c7147533d3cd Four - jane
  2: b383d04401ea Three (again) - maria
  1: fac2da4efc3c imported patch 2.patch - jane
  0: b6e237e8771b imported patch 1.patch - mary
  $ rm -r sandbox
  $ runtest
  ==== init
  ==== qnew -U
  # HG changeset patch
  # User test
  # Parent 
  
  0: a054644889e5 [mq]: 1.patch - test
  ==== qref
  adding 1
  # HG changeset patch
  # User test
  # Parent 
  
  diff -r ... 1
  --- /dev/null
  +++ b/1
  @@ -0,0 +1,1 @@
  +1
  0: 2905f1e46ee0 [mq]: 1.patch - test
  ==== qref -u
  # HG changeset patch
  # User mary
  # Parent 
  
  diff -r ... 1
  --- /dev/null
  +++ b/1
  @@ -0,0 +1,1 @@
  +1
  0: 3682f830e656 [mq]: 1.patch - mary
  ==== qnew
  adding 2
  # HG changeset patch
  # Parent 
  
  diff -r ... 2
  --- /dev/null
  +++ b/2
  @@ -0,0 +1,1 @@
  +2
  1: 527f98a12a7a [mq]: 2.patch - test
  0: 3682f830e656 [mq]: 1.patch - mary
  ==== qref -u
  # HG changeset patch
  # User jane
  # Parent 
  
  diff -r ... 2
  --- /dev/null
  +++ b/2
  @@ -0,0 +1,1 @@
  +2
  1: a425cde5f493 [mq]: 2.patch - jane
  0: 3682f830e656 [mq]: 1.patch - mary
  ==== qnew -U -m
  # HG changeset patch
  # User test
  # Parent 
  Three
  
  2: 0ffa16a9088e Three - test
  1: a425cde5f493 [mq]: 2.patch - jane
  0: 3682f830e656 [mq]: 1.patch - mary
  ==== qref
  adding 3
  # HG changeset patch
  # User test
  # Parent 
  Three
  
  diff -r ... 3
  --- /dev/null
  +++ b/3
  @@ -0,0 +1,1 @@
  +3
  2: 83f1290c6086 Three - test
  1: a425cde5f493 [mq]: 2.patch - jane
  0: 3682f830e656 [mq]: 1.patch - mary
  ==== qref -m
  # HG changeset patch
  # User test
  # Parent 
  Drei
  
  diff -r ... 3
  --- /dev/null
  +++ b/3
  @@ -0,0 +1,1 @@
  +3
  2: b0d856328d4d Drei - test
  1: a425cde5f493 [mq]: 2.patch - jane
  0: 3682f830e656 [mq]: 1.patch - mary
  ==== qref -u
  # HG changeset patch
  # User mary
  # Parent 
  Drei
  
  diff -r ... 3
  --- /dev/null
  +++ b/3
  @@ -0,0 +1,1 @@
  +3
  2: bb9d4b28e6a6 Drei - mary
  1: a425cde5f493 [mq]: 2.patch - jane
  0: 3682f830e656 [mq]: 1.patch - mary
  ==== qref -u -m
  # HG changeset patch
  # User maria
  # Parent 
  Three (again)
  
  diff -r ... 3
  --- /dev/null
  +++ b/3
  @@ -0,0 +1,1 @@
  +3
  2: a6686ee84fc3 Three (again) - maria
  1: a425cde5f493 [mq]: 2.patch - jane
  0: 3682f830e656 [mq]: 1.patch - mary
  ==== qnew -m
  adding 4of
  # HG changeset patch
  # Parent 
  Four
  
  diff -r ... 4of
  --- /dev/null
  +++ b/4of
  @@ -0,0 +1,1 @@
  +4 t
  3: b9f922d0da40 Four - test
  2: a6686ee84fc3 Three (again) - maria
  1: a425cde5f493 [mq]: 2.patch - jane
  0: 3682f830e656 [mq]: 1.patch - mary
  ==== qref -u
  # HG changeset patch
  # User jane
  # Parent 
  Four
  
  diff -r ... 4of
  --- /dev/null
  +++ b/4of
  @@ -0,0 +1,1 @@
  +4 t
  3: 0dfb3111e7ee Four - jane
  2: a6686ee84fc3 Three (again) - maria
  1: a425cde5f493 [mq]: 2.patch - jane
  0: 3682f830e656 [mq]: 1.patch - mary
  ==== qnew with HG header
  popping 5.patch
  now at: 4.patch
  now at: 5.patch
  # HG changeset patch
  # User johndoe
  4: 72bc4a0467ef imported patch 5.patch - johndoe
  3: 0dfb3111e7ee Four - jane
  2: a6686ee84fc3 Three (again) - maria
  1: a425cde5f493 [mq]: 2.patch - jane
  0: 3682f830e656 [mq]: 1.patch - mary
  ==== hg qref
  adding 5
  # HG changeset patch
  # User johndoe
  # Parent 
  
  diff -r ... 5
  --- /dev/null
  +++ b/5
  @@ -0,0 +1,1 @@
  +5
  4: ff5c06112e5a [mq]: 5.patch - johndoe
  3: 0dfb3111e7ee Four - jane
  2: a6686ee84fc3 Three (again) - maria
  1: a425cde5f493 [mq]: 2.patch - jane
  0: 3682f830e656 [mq]: 1.patch - mary
  ==== hg qref -U
  # HG changeset patch
  # User test
  # Parent 
  
  diff -r ... 5
  --- /dev/null
  +++ b/5
  @@ -0,0 +1,1 @@
  +5
  4: c947416c22b1 [mq]: 5.patch - test
  3: 0dfb3111e7ee Four - jane
  2: a6686ee84fc3 Three (again) - maria
  1: a425cde5f493 [mq]: 2.patch - jane
  0: 3682f830e656 [mq]: 1.patch - mary
  ==== hg qref -u
  # HG changeset patch
  # User johndeere
  # Parent 
  
  diff -r ... 5
  --- /dev/null
  +++ b/5
  @@ -0,0 +1,1 @@
  +5
  4: 1d898e201a22 [mq]: 5.patch - johndeere
  3: 0dfb3111e7ee Four - jane
  2: a6686ee84fc3 Three (again) - maria
  1: a425cde5f493 [mq]: 2.patch - jane
  0: 3682f830e656 [mq]: 1.patch - mary
  ==== qnew with plain header
  popping 6.patch
  now at: 5.patch
  now at: 6.patch
  From: test
  
  5: 7825a18ec839 imported patch 6.patch - test
  4: 1d898e201a22 [mq]: 5.patch - johndeere
  3: 0dfb3111e7ee Four - jane
  2: a6686ee84fc3 Three (again) - maria
  1: a425cde5f493 [mq]: 2.patch - jane
  0: 3682f830e656 [mq]: 1.patch - mary
  ==== hg qref
  adding 6
  From: test
  
  diff -r ... 6
  --- /dev/null
  +++ b/6
  @@ -0,0 +1,1 @@
  +6
  5: 09d19592680d [mq]: 6.patch - test
  4: 1d898e201a22 [mq]: 5.patch - johndeere
  3: 0dfb3111e7ee Four - jane
  2: a6686ee84fc3 Three (again) - maria
  1: a425cde5f493 [mq]: 2.patch - jane
  0: 3682f830e656 [mq]: 1.patch - mary
  ==== hg qref -U
  From: test
  
  diff -r ... 6
  --- /dev/null
  +++ b/6
  @@ -0,0 +1,1 @@
  +6
  5: 09d19592680d [mq]: 6.patch - test
  4: 1d898e201a22 [mq]: 5.patch - johndeere
  3: 0dfb3111e7ee Four - jane
  2: a6686ee84fc3 Three (again) - maria
  1: a425cde5f493 [mq]: 2.patch - jane
  0: 3682f830e656 [mq]: 1.patch - mary
  ==== hg qref -u
  From: johndeere
  
  diff -r ... 6
  --- /dev/null
  +++ b/6
  @@ -0,0 +1,1 @@
  +6
  5: 32641ee07196 [mq]: 6.patch - johndeere
  4: 1d898e201a22 [mq]: 5.patch - johndeere
  3: 0dfb3111e7ee Four - jane
  2: a6686ee84fc3 Three (again) - maria
  1: a425cde5f493 [mq]: 2.patch - jane
  0: 3682f830e656 [mq]: 1.patch - mary
  ==== qpop -a / qpush -a
  popping 6.patch
  popping 5.patch
  popping 4.patch
  popping 3.patch
  popping 2.patch
  popping 1.patch
  patch queue now empty
  applying 1.patch
  applying 2.patch
  applying 3.patch
  applying 4.patch
  applying 5.patch
  applying 6.patch
  now at: 6.patch
  5: 1fb083c80457 imported patch 6.patch - johndeere
  4: 7e96e969691d imported patch 5.patch - johndeere
  3: c7147533d3cd Four - jane
  2: b383d04401ea Three (again) - maria
  1: fac2da4efc3c imported patch 2.patch - jane
  0: b6e237e8771b imported patch 1.patch - mary

  $ cd ..