view tests/test-mq-header-date.t @ 20182:04036798ebed

branches: avoid unnecessary changectx.branch() calls

This requires reading from the changelog, which can be costly over NFS.

Note that this does not totally remove reading from the changelog; we
still do that when calling changectx.closesbranch(). That call will be
removed in a later patch.

Running hg branches on the PyPy repo (with 996) over a busy NFS server,
before this change:

$ time hg --profile branches > /dev/null
   CallCount    Recursive     Total(s)    Inline(s) module:lineno(function)
        2042            0      2.2827      2.2827   <open>
        2036            0      0.9840      0.9840   <method 'close' of 'file' objects>
        2036            0      0.0464      0.0464   <method 'read' of 'file' objects>
        5233            0      0.1985      0.0453   mercurial.repoview:161(changelog)
       10462            0      0.0791      0.0314       mercurial.changelog:133(tip)
        5233            0      0.0388      0.0176       mercurial.localrepo:26(__get__)
       10462            0      0.0250      0.0126       <len>
        5233            0      0.0059      0.0039       mercurial.repoview:112(filterrevs)
       10462            0      0.0029      0.0029       <hash>
        2034            0      0.0444      0.0444   <method 'seek' of 'file' objects>
        5340            0      0.0390      0.0390   mercurial.revlog:296(rev)
        2582            0      0.0371      0.0371   <zlib.decompress>
        3155            0      0.1963      0.0366   mercurial.context:202(__init__)
        3155            0      0.1238      0.0306       mercurial.repoview:161(changelog)
        3155            0      0.0261      0.0080       mercurial.changelog:183(rev)
        9465            0      0.0061      0.0061       <isinstance>
        1096            0      0.0023      0.0023       <binascii.unhexlify>
        4251            0      0.0014      0.0014       <len>
        2059            0      3.7341      0.0332   mercurial.changelog:270(read)
        2059            0      3.6304      0.0307       mercurial.revlog:907(revision)
        2057            0      0.0262      0.0137       mercurial.changelog:28(decodeextra)
        4118            0      0.0094      0.0094       <method 'split' of 'str' objects>
        4118            0      0.0270      0.0048       mercurial.encoding:61(tolocal)
        2059            0      0.0040      0.0040       <method 'index' of 'str' objects>
       10462            0      0.0791      0.0314   mercurial.changelog:133(tip)
       10462            0      0.0289      0.0207       mercurial.changelog:190(node)
       10462            0      0.0188      0.0091       <len>
       52433        20932      0.0478      0.0310   <len>
       20932            0      0.0221      0.0168       mercurial.revlog:262(__len__)
        2059            0      3.6304      0.0307   mercurial.revlog:907(revision)

real    0m4.361s
user    0m0.986s
sys     0m0.237s

After this change:

$ time hg --profile branches > /dev/null
   CallCount    Recursive     Total(s)    Inline(s) module:lineno(function)
        1069            0      1.1098      1.1098   <open>
        1063            0      0.4865      0.4865   <method 'close' of 'file' objects>
        4122            0      0.1811      0.0404   mercurial.repoview:161(changelog)
        8240            0      0.0712      0.0272       mercurial.changelog:133(tip)
        4122            0      0.0378      0.0177       mercurial.localrepo:26(__get__)
        8240            0      0.0221      0.0115       <len>
        4122            0      0.0057      0.0033       mercurial.repoview:112(filterrevs)
        8240            0      0.0025      0.0025       <hash>
        3029            0      0.1979      0.0371   mercurial.context:202(__init__)
        3029            0      0.1278      0.0310       mercurial.repoview:161(changelog)
        3029            0      0.0230      0.0081       mercurial.changelog:183(rev)
        9087            0      0.0061      0.0061       <isinstance>
        1096            0      0.0026      0.0026       <binascii.unhexlify>
        4125            0      0.0014      0.0014       <len>
        4229            0      0.0337      0.0337   mercurial.revlog:296(rev)
        1061            0      0.0296      0.0296   <method 'seek' of 'file' objects>
        1063            0      0.0292      0.0292   <method 'read' of 'file' objects>
        8240            0      0.0712      0.0272   mercurial.changelog:133(tip)
        8240            0      0.0271      0.0196       mercurial.changelog:190(node)
        8240            0      0.0169      0.0083       <len>
       40476        16488      0.0422      0.0271   <len>
       16488            0      0.0193      0.0152       mercurial.revlog:262(__len__)
        1342            0      0.0241      0.0241   <zlib.decompress>
        9445            0      0.0336      0.0224   mercurial.changelog:190(node)
        9445            0      0.0112      0.0112       mercurial.revlog:317(node)
        1074            0      1.9102      0.0224   mercurial.changelog:270(read)
        1074            0      1.8397      0.0202       mercurial.revlog:907(revision)
        1073            0      0.0187      0.0099       mercurial.changelog:28(decodeextra)
        2148            0      0.0061      0.0061       <method 'split' of 'str' objects>
        2148            0      0.0184      0.0034       mercurial.encoding:61(tolocal)

real    0m2.402s
user    0m0.735s
sys     0m0.177s

  $ echo "[extensions]" >> $HGRCPATH
  $ echo "mq=" >> $HGRCPATH
  $ echo "[diff]" >> $HGRCPATH
  $ echo "nodates=true" >> $HGRCPATH
  $ catpatch() {
  >     cat .hg/patches/$1.patch | sed -e "s/^diff \-r [0-9a-f]* /diff -r ... /" \
  >                                    -e "s/^\(# Parent \).*/\1/"
  > }
  $ catlog() {
  >     catpatch $1
  >     hg log --template "{rev}: {desc} - {author}\n"
  > }
  $ catlogd() {
  >     catpatch $1
  >     hg log --template "{rev}: {desc} - {author} - {date}\n"
  > }
  $ drop() {
  >     hg qpop
  >     hg qdel $1.patch
  > }
  $ runtest() {
  >     echo ==== init
  >     hg init a
  >     cd a
  >     hg qinit
  > 
  > 
  >     echo ==== qnew -d
  >     hg qnew -d '3 0' 1.patch
  >     catlogd 1
  > 
  >     echo ==== qref
  >     echo "1" >1
  >     hg add
  >     hg qref
  >     catlogd 1
  > 
  >     echo ==== qref -d
  >     hg qref -d '4 0'
  >     catlogd 1
  > 
  > 
  >     echo ==== qnew
  >     hg qnew 2.patch
  >     echo "2" >2
  >     hg add
  >     hg qref
  >     catlog 2
  > 
  >     echo ==== qref -d
  >     hg qref -d '5 0'
  >     catlog 2
  > 
  >     drop 2
  > 
  > 
  >     echo ==== qnew -d -m
  >     hg qnew -d '6 0' -m "Three" 3.patch
  >     catlogd 3
  > 
  >     echo ==== qref
  >     echo "3" >3
  >     hg add
  >     hg qref
  >     catlogd 3
  > 
  >     echo ==== qref -m
  >     hg qref -m "Drei"
  >     catlogd 3
  > 
  >     echo ==== qref -d
  >     hg qref -d '7 0'
  >     catlogd 3
  > 
  >     echo ==== qref -d -m
  >     hg qref -d '8 0' -m "Three (again)"
  >     catlogd 3
  > 
  > 
  >     echo ==== qnew -m
  >     hg qnew -m "Four" 4.patch
  >     echo "4" >4
  >     hg add
  >     hg qref
  >     catlog 4
  > 
  >     echo ==== qref -d
  >     hg qref -d '9 0'
  >     catlog 4
  > 
  >     drop 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 "# Date 10 0" >>.hg/patches/5.patch
  >     hg qpush 2>&1 | grep 'Now at'
  >     catlogd 5
  > 
  >     echo ==== hg qref
  >     echo "5" >5
  >     hg add
  >     hg qref
  >     catlogd 5
  > 
  >     echo ==== hg qref -d
  >     hg qref -d '11 0'
  >     catlogd 5
  > 
  > 
  >     echo ==== qnew with plain header
  >     hg qnew --config 'mq.plain=true' -d '12 0' 6.patch
  >     hg qpop
  >     hg qpush 2>&1 | grep 'now at'
  >     catlog 6
  > 
  >     echo ==== hg qref
  >     echo "6" >6
  >     hg add
  >     hg qref
  >     catlogd 6
  > 
  >     echo ==== hg qref -d
  >     hg qref -d '13 0'
  >     catlogd 6
  > 
  >     drop 6
  > 
  > 
  >     echo ==== qnew -u
  >     hg qnew -u jane 6.patch
  >     echo "6" >6
  >     hg add
  >     hg qref
  >     catlog 6
  > 
  >     echo ==== qref -d
  >     hg qref -d '12 0'
  >     catlog 6
  > 
  >     drop 6
  > 
  > 
  >     echo ==== qnew -d
  >     hg qnew -d '13 0' 7.patch
  >     echo "7" >7
  >     hg add
  >     hg qref
  >     catlog 7
  > 
  >     echo ==== qref -u
  >     hg qref -u john
  >     catlogd 7
  > 
  > 
  >     echo ==== qnew
  >     hg qnew 8.patch
  >     echo "8" >8
  >     hg add
  >     hg qref
  >     catlog 8
  > 
  >     echo ==== qref -u -d
  >     hg qref -u john -d '14 0'
  >     catlog 8
  > 
  >     drop 8
  > 
  > 
  >     echo ==== qnew -m
  >     hg qnew -m "Nine" 9.patch
  >     echo "9" >9
  >     hg add
  >     hg qref
  >     catlog 9
  > 
  >     echo ==== qref -u -d
  >     hg qref -u john -d '15 0'
  >     catlog 9
  > 
  >     drop 9
  > 
  > 
  >     echo ==== "qpop -a / qpush -a"
  >     hg qpop -a
  >     hg qpush -a
  >     hg log --template "{rev}: {desc} - {author} - {date}\n"
  > }

======= plain headers

  $ echo "[mq]" >> $HGRCPATH
  $ echo "plain=true" >> $HGRCPATH
  $ mkdir sandbox
  $ (cd sandbox ; runtest)
  ==== init
  ==== qnew -d
  Date: 3 0
  
  0: [mq]: 1.patch - test - 3.00
  ==== qref
  adding 1
  Date: 3 0
  
  diff -r ... 1
  --- /dev/null
  +++ b/1
  @@ -0,0 +1,1 @@
  +1
  0: [mq]: 1.patch - test - 3.00
  ==== qref -d
  Date: 4 0
  
  diff -r ... 1
  --- /dev/null
  +++ b/1
  @@ -0,0 +1,1 @@
  +1
  0: [mq]: 1.patch - test - 4.00
  ==== qnew
  adding 2
  diff -r ... 2
  --- /dev/null
  +++ b/2
  @@ -0,0 +1,1 @@
  +2
  1: [mq]: 2.patch - test
  0: [mq]: 1.patch - test
  ==== qref -d
  Date: 5 0
  
  diff -r ... 2
  --- /dev/null
  +++ b/2
  @@ -0,0 +1,1 @@
  +2
  1: [mq]: 2.patch - test
  0: [mq]: 1.patch - test
  popping 2.patch
  now at: 1.patch
  ==== qnew -d -m
  Date: 6 0
  
  Three
  
  1: Three - test - 6.00
  0: [mq]: 1.patch - test - 4.00
  ==== qref
  adding 3
  Date: 6 0
  
  Three
  
  diff -r ... 3
  --- /dev/null
  +++ b/3
  @@ -0,0 +1,1 @@
  +3
  1: Three - test - 6.00
  0: [mq]: 1.patch - test - 4.00
  ==== qref -m
  Date: 6 0
  
  Drei
  
  diff -r ... 3
  --- /dev/null
  +++ b/3
  @@ -0,0 +1,1 @@
  +3
  1: Drei - test - 6.00
  0: [mq]: 1.patch - test - 4.00
  ==== qref -d
  Date: 7 0
  
  Drei
  
  diff -r ... 3
  --- /dev/null
  +++ b/3
  @@ -0,0 +1,1 @@
  +3
  1: Drei - test - 7.00
  0: [mq]: 1.patch - test - 4.00
  ==== qref -d -m
  Date: 8 0
  
  Three (again)
  
  diff -r ... 3
  --- /dev/null
  +++ b/3
  @@ -0,0 +1,1 @@
  +3
  1: Three (again) - test - 8.00
  0: [mq]: 1.patch - test - 4.00
  ==== qnew -m
  adding 4
  Four
  
  diff -r ... 4
  --- /dev/null
  +++ b/4
  @@ -0,0 +1,1 @@
  +4
  2: Four - test
  1: Three (again) - test
  0: [mq]: 1.patch - test
  ==== qref -d
  Date: 9 0
  Four
  
  diff -r ... 4
  --- /dev/null
  +++ b/4
  @@ -0,0 +1,1 @@
  +4
  2: Four - test
  1: Three (again) - test
  0: [mq]: 1.patch - test
  popping 4.patch
  now at: 3.patch
  ==== qnew with HG header
  popping 5.patch
  now at: 3.patch
  # HG changeset patch
  # Date 10 0
  2: imported patch 5.patch - test - 10.00
  1: Three (again) - test - 8.00
  0: [mq]: 1.patch - test - 4.00
  ==== hg qref
  adding 5
  # HG changeset patch
  # Parent 
  # Date 10 0
  
  diff -r ... 5
  --- /dev/null
  +++ b/5
  @@ -0,0 +1,1 @@
  +5
  2: [mq]: 5.patch - test - 10.00
  1: Three (again) - test - 8.00
  0: [mq]: 1.patch - test - 4.00
  ==== hg qref -d
  # HG changeset patch
  # Parent 
  # Date 11 0
  
  diff -r ... 5
  --- /dev/null
  +++ b/5
  @@ -0,0 +1,1 @@
  +5
  2: [mq]: 5.patch - test - 11.00
  1: Three (again) - test - 8.00
  0: [mq]: 1.patch - test - 4.00
  ==== qnew with plain header
  popping 6.patch
  now at: 5.patch
  now at: 6.patch
  Date: 12 0
  
  3: imported patch 6.patch - test
  2: [mq]: 5.patch - test
  1: Three (again) - test
  0: [mq]: 1.patch - test
  ==== hg qref
  adding 6
  Date: 12 0
  
  diff -r ... 6
  --- /dev/null
  +++ b/6
  @@ -0,0 +1,1 @@
  +6
  3: [mq]: 6.patch - test - 12.00
  2: [mq]: 5.patch - test - 11.00
  1: Three (again) - test - 8.00
  0: [mq]: 1.patch - test - 4.00
  ==== hg qref -d
  Date: 13 0
  
  diff -r ... 6
  --- /dev/null
  +++ b/6
  @@ -0,0 +1,1 @@
  +6
  3: [mq]: 6.patch - test - 13.00
  2: [mq]: 5.patch - test - 11.00
  1: Three (again) - test - 8.00
  0: [mq]: 1.patch - test - 4.00
  popping 6.patch
  now at: 5.patch
  ==== qnew -u
  adding 6
  From: jane
  
  diff -r ... 6
  --- /dev/null
  +++ b/6
  @@ -0,0 +1,1 @@
  +6
  3: [mq]: 6.patch - jane
  2: [mq]: 5.patch - test
  1: Three (again) - test
  0: [mq]: 1.patch - test
  ==== qref -d
  Date: 12 0
  From: jane
  
  diff -r ... 6
  --- /dev/null
  +++ b/6
  @@ -0,0 +1,1 @@
  +6
  3: [mq]: 6.patch - jane
  2: [mq]: 5.patch - test
  1: Three (again) - test
  0: [mq]: 1.patch - test
  popping 6.patch
  now at: 5.patch
  ==== qnew -d
  adding 7
  Date: 13 0
  
  diff -r ... 7
  --- /dev/null
  +++ b/7
  @@ -0,0 +1,1 @@
  +7
  3: [mq]: 7.patch - test
  2: [mq]: 5.patch - test
  1: Three (again) - test
  0: [mq]: 1.patch - test
  ==== qref -u
  From: john
  Date: 13 0
  
  diff -r ... 7
  --- /dev/null
  +++ b/7
  @@ -0,0 +1,1 @@
  +7
  3: [mq]: 7.patch - john - 13.00
  2: [mq]: 5.patch - test - 11.00
  1: Three (again) - test - 8.00
  0: [mq]: 1.patch - test - 4.00
  ==== qnew
  adding 8
  diff -r ... 8
  --- /dev/null
  +++ b/8
  @@ -0,0 +1,1 @@
  +8
  4: [mq]: 8.patch - test
  3: [mq]: 7.patch - john
  2: [mq]: 5.patch - test
  1: Three (again) - test
  0: [mq]: 1.patch - test
  ==== qref -u -d
  Date: 14 0
  From: john
  
  diff -r ... 8
  --- /dev/null
  +++ b/8
  @@ -0,0 +1,1 @@
  +8
  4: [mq]: 8.patch - john
  3: [mq]: 7.patch - john
  2: [mq]: 5.patch - test
  1: Three (again) - test
  0: [mq]: 1.patch - test
  popping 8.patch
  now at: 7.patch
  ==== qnew -m
  adding 9
  Nine
  
  diff -r ... 9
  --- /dev/null
  +++ b/9
  @@ -0,0 +1,1 @@
  +9
  4: Nine - test
  3: [mq]: 7.patch - john
  2: [mq]: 5.patch - test
  1: Three (again) - test
  0: [mq]: 1.patch - test
  ==== qref -u -d
  Date: 15 0
  From: john
  Nine
  
  diff -r ... 9
  --- /dev/null
  +++ b/9
  @@ -0,0 +1,1 @@
  +9
  4: Nine - john
  3: [mq]: 7.patch - john
  2: [mq]: 5.patch - test
  1: Three (again) - test
  0: [mq]: 1.patch - test
  popping 9.patch
  now at: 7.patch
  ==== qpop -a / qpush -a
  popping 7.patch
  popping 5.patch
  popping 3.patch
  popping 1.patch
  patch queue now empty
  applying 1.patch
  applying 3.patch
  applying 5.patch
  applying 7.patch
  now at: 7.patch
  3: imported patch 7.patch - john - 13.00
  2: imported patch 5.patch - test - 11.00
  1: Three (again) - test - 8.00
  0: imported patch 1.patch - test - 4.00
  $ rm -r sandbox

======= hg headers

  $ echo "plain=false" >> $HGRCPATH
  $ mkdir sandbox
  $ (cd sandbox ; runtest)
  ==== init
  ==== qnew -d
  # HG changeset patch
  # Parent 
  # Date 3 0
  
  0: [mq]: 1.patch - test - 3.00
  ==== qref
  adding 1
  # HG changeset patch
  # Parent 
  # Date 3 0
  
  diff -r ... 1
  --- /dev/null
  +++ b/1
  @@ -0,0 +1,1 @@
  +1
  0: [mq]: 1.patch - test - 3.00
  ==== qref -d
  # HG changeset patch
  # Parent 
  # Date 4 0
  
  diff -r ... 1
  --- /dev/null
  +++ b/1
  @@ -0,0 +1,1 @@
  +1
  0: [mq]: 1.patch - test - 4.00
  ==== qnew
  adding 2
  # HG changeset patch
  # Parent 
  
  diff -r ... 2
  --- /dev/null
  +++ b/2
  @@ -0,0 +1,1 @@
  +2
  1: [mq]: 2.patch - test
  0: [mq]: 1.patch - test
  ==== qref -d
  # HG changeset patch
  # Date 5 0
  # Parent 
  
  diff -r ... 2
  --- /dev/null
  +++ b/2
  @@ -0,0 +1,1 @@
  +2
  1: [mq]: 2.patch - test
  0: [mq]: 1.patch - test
  popping 2.patch
  now at: 1.patch
  ==== qnew -d -m
  # HG changeset patch
  # Parent 
  # Date 6 0
  
  Three
  
  1: Three - test - 6.00
  0: [mq]: 1.patch - test - 4.00
  ==== qref
  adding 3
  # HG changeset patch
  # Parent 
  # Date 6 0
  
  Three
  
  diff -r ... 3
  --- /dev/null
  +++ b/3
  @@ -0,0 +1,1 @@
  +3
  1: Three - test - 6.00
  0: [mq]: 1.patch - test - 4.00
  ==== qref -m
  # HG changeset patch
  # Parent 
  # Date 6 0
  
  Drei
  
  diff -r ... 3
  --- /dev/null
  +++ b/3
  @@ -0,0 +1,1 @@
  +3
  1: Drei - test - 6.00
  0: [mq]: 1.patch - test - 4.00
  ==== qref -d
  # HG changeset patch
  # Parent 
  # Date 7 0
  
  Drei
  
  diff -r ... 3
  --- /dev/null
  +++ b/3
  @@ -0,0 +1,1 @@
  +3
  1: Drei - test - 7.00
  0: [mq]: 1.patch - test - 4.00
  ==== qref -d -m
  # HG changeset patch
  # Parent 
  # Date 8 0
  
  Three (again)
  
  diff -r ... 3
  --- /dev/null
  +++ b/3
  @@ -0,0 +1,1 @@
  +3
  1: Three (again) - test - 8.00
  0: [mq]: 1.patch - test - 4.00
  ==== qnew -m
  adding 4
  # HG changeset patch
  # Parent 
  Four
  
  diff -r ... 4
  --- /dev/null
  +++ b/4
  @@ -0,0 +1,1 @@
  +4
  2: Four - test
  1: Three (again) - test
  0: [mq]: 1.patch - test
  ==== qref -d
  # HG changeset patch
  # Date 9 0
  # Parent 
  Four
  
  diff -r ... 4
  --- /dev/null
  +++ b/4
  @@ -0,0 +1,1 @@
  +4
  2: Four - test
  1: Three (again) - test
  0: [mq]: 1.patch - test
  popping 4.patch
  now at: 3.patch
  ==== qnew with HG header
  popping 5.patch
  now at: 3.patch
  # HG changeset patch
  # Date 10 0
  2: imported patch 5.patch - test - 10.00
  1: Three (again) - test - 8.00
  0: [mq]: 1.patch - test - 4.00
  ==== hg qref
  adding 5
  # HG changeset patch
  # Parent 
  # Date 10 0
  
  diff -r ... 5
  --- /dev/null
  +++ b/5
  @@ -0,0 +1,1 @@
  +5
  2: [mq]: 5.patch - test - 10.00
  1: Three (again) - test - 8.00
  0: [mq]: 1.patch - test - 4.00
  ==== hg qref -d
  # HG changeset patch
  # Parent 
  # Date 11 0
  
  diff -r ... 5
  --- /dev/null
  +++ b/5
  @@ -0,0 +1,1 @@
  +5
  2: [mq]: 5.patch - test - 11.00
  1: Three (again) - test - 8.00
  0: [mq]: 1.patch - test - 4.00
  ==== qnew with plain header
  popping 6.patch
  now at: 5.patch
  now at: 6.patch
  Date: 12 0
  
  3: imported patch 6.patch - test
  2: [mq]: 5.patch - test
  1: Three (again) - test
  0: [mq]: 1.patch - test
  ==== hg qref
  adding 6
  Date: 12 0
  
  diff -r ... 6
  --- /dev/null
  +++ b/6
  @@ -0,0 +1,1 @@
  +6
  3: [mq]: 6.patch - test - 12.00
  2: [mq]: 5.patch - test - 11.00
  1: Three (again) - test - 8.00
  0: [mq]: 1.patch - test - 4.00
  ==== hg qref -d
  Date: 13 0
  
  diff -r ... 6
  --- /dev/null
  +++ b/6
  @@ -0,0 +1,1 @@
  +6
  3: [mq]: 6.patch - test - 13.00
  2: [mq]: 5.patch - test - 11.00
  1: Three (again) - test - 8.00
  0: [mq]: 1.patch - test - 4.00
  popping 6.patch
  now at: 5.patch
  ==== qnew -u
  adding 6
  # HG changeset patch
  # Parent 
  # User jane
  
  diff -r ... 6
  --- /dev/null
  +++ b/6
  @@ -0,0 +1,1 @@
  +6
  3: [mq]: 6.patch - jane
  2: [mq]: 5.patch - test
  1: Three (again) - test
  0: [mq]: 1.patch - test
  ==== qref -d
  # HG changeset patch
  # Date 12 0
  # Parent 
  # User jane
  
  diff -r ... 6
  --- /dev/null
  +++ b/6
  @@ -0,0 +1,1 @@
  +6
  3: [mq]: 6.patch - jane
  2: [mq]: 5.patch - test
  1: Three (again) - test
  0: [mq]: 1.patch - test
  popping 6.patch
  now at: 5.patch
  ==== qnew -d
  adding 7
  # HG changeset patch
  # Parent 
  # Date 13 0
  
  diff -r ... 7
  --- /dev/null
  +++ b/7
  @@ -0,0 +1,1 @@
  +7
  3: [mq]: 7.patch - test
  2: [mq]: 5.patch - test
  1: Three (again) - test
  0: [mq]: 1.patch - test
  ==== qref -u
  # HG changeset patch
  # User john
  # Parent 
  # Date 13 0
  
  diff -r ... 7
  --- /dev/null
  +++ b/7
  @@ -0,0 +1,1 @@
  +7
  3: [mq]: 7.patch - john - 13.00
  2: [mq]: 5.patch - test - 11.00
  1: Three (again) - test - 8.00
  0: [mq]: 1.patch - test - 4.00
  ==== qnew
  adding 8
  # HG changeset patch
  # Parent 
  
  diff -r ... 8
  --- /dev/null
  +++ b/8
  @@ -0,0 +1,1 @@
  +8
  4: [mq]: 8.patch - test
  3: [mq]: 7.patch - john
  2: [mq]: 5.patch - test
  1: Three (again) - test
  0: [mq]: 1.patch - test
  ==== qref -u -d
  # HG changeset patch
  # Date 14 0
  # User john
  # Parent 
  
  diff -r ... 8
  --- /dev/null
  +++ b/8
  @@ -0,0 +1,1 @@
  +8
  4: [mq]: 8.patch - john
  3: [mq]: 7.patch - john
  2: [mq]: 5.patch - test
  1: Three (again) - test
  0: [mq]: 1.patch - test
  popping 8.patch
  now at: 7.patch
  ==== qnew -m
  adding 9
  # HG changeset patch
  # Parent 
  Nine
  
  diff -r ... 9
  --- /dev/null
  +++ b/9
  @@ -0,0 +1,1 @@
  +9
  4: Nine - test
  3: [mq]: 7.patch - john
  2: [mq]: 5.patch - test
  1: Three (again) - test
  0: [mq]: 1.patch - test
  ==== qref -u -d
  # HG changeset patch
  # Date 15 0
  # User john
  # Parent 
  Nine
  
  diff -r ... 9
  --- /dev/null
  +++ b/9
  @@ -0,0 +1,1 @@
  +9
  4: Nine - john
  3: [mq]: 7.patch - john
  2: [mq]: 5.patch - test
  1: Three (again) - test
  0: [mq]: 1.patch - test
  popping 9.patch
  now at: 7.patch
  ==== qpop -a / qpush -a
  popping 7.patch
  popping 5.patch
  popping 3.patch
  popping 1.patch
  patch queue now empty
  applying 1.patch
  applying 3.patch
  applying 5.patch
  applying 7.patch
  now at: 7.patch
  3: imported patch 7.patch - john - 13.00
  2: imported patch 5.patch - test - 11.00
  1: Three (again) - test - 8.00
  0: imported patch 1.patch - test - 4.00
  $ rm -r sandbox