Mercurial > hg
view tests/test-mq-header-from.t @ 18986:2f7186400a07
ancestor: a new algorithm that is faster for nodes near tip
Instead of walking all the way to the root of the DAG, we generate
a set of candidate GCA revs, then figure out which ones will win
the race to the root (usually without needing to traverse all the
way to the root).
In the common case of nodes that are close to each other in both
revision number and topology, this is usually a big win: it makes
"hg --time debugancestors" up to 9 times faster than the more general
ancestor function when measured on heads of the linux-2.6 hg repo.
Victory is not assured, however. The older function can still win
by a large margin if one node is much closer to the root than the
other, or by a much smaller amount if one is an ancestor of the
other.
For now, we've also got a small paranoid harness function that calls
both ancestor functions on every input and ensures that they give
equivalent answers.
Even without the checker function, the old ancestor function needs
to stay alive for the time being, as its generality is used by
context.filectx.merge.
author | Bryan O'Sullivan <bryano@fb.com> |
---|---|
date | Tue, 16 Apr 2013 10:08:18 -0700 |
parents | f2719b387380 |
children | c87f2a5a6e49 |
line wrap: on
line source
$ 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}: {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}: {desc} - {author}\n" > } ======= plain headers $ echo "[mq]" >> $HGRCPATH $ echo "plain=true" >> $HGRCPATH $ mkdir sandbox $ (cd sandbox ; runtest) ==== init ==== qnew -U From: test 0: [mq]: 1.patch - test ==== qref adding 1 From: test diff -r ... 1 --- /dev/null +++ b/1 @@ -0,0 +1,1 @@ +1 0: [mq]: 1.patch - test ==== qref -u From: mary diff -r ... 1 --- /dev/null +++ b/1 @@ -0,0 +1,1 @@ +1 0: [mq]: 1.patch - mary ==== qnew adding 2 diff -r ... 2 --- /dev/null +++ b/2 @@ -0,0 +1,1 @@ +2 1: [mq]: 2.patch - test 0: [mq]: 1.patch - mary ==== qref -u From: jane diff -r ... 2 --- /dev/null +++ b/2 @@ -0,0 +1,1 @@ +2 1: [mq]: 2.patch - jane 0: [mq]: 1.patch - mary ==== qnew -U -m From: test Three 2: Three - test 1: [mq]: 2.patch - jane 0: [mq]: 1.patch - mary ==== qref adding 3 From: test Three diff -r ... 3 --- /dev/null +++ b/3 @@ -0,0 +1,1 @@ +3 2: Three - test 1: [mq]: 2.patch - jane 0: [mq]: 1.patch - mary ==== qref -m From: test Drei diff -r ... 3 --- /dev/null +++ b/3 @@ -0,0 +1,1 @@ +3 2: Drei - test 1: [mq]: 2.patch - jane 0: [mq]: 1.patch - mary ==== qref -u From: mary Drei diff -r ... 3 --- /dev/null +++ b/3 @@ -0,0 +1,1 @@ +3 2: Drei - mary 1: [mq]: 2.patch - jane 0: [mq]: 1.patch - mary ==== qref -u -m From: maria Three (again) diff -r ... 3 --- /dev/null +++ b/3 @@ -0,0 +1,1 @@ +3 2: Three (again) - maria 1: [mq]: 2.patch - jane 0: [mq]: 1.patch - mary ==== qnew -m adding 4of Four diff -r ... 4of --- /dev/null +++ b/4of @@ -0,0 +1,1 @@ +4 t 3: Four - test 2: Three (again) - maria 1: [mq]: 2.patch - jane 0: [mq]: 1.patch - mary ==== qref -u From: jane Four diff -r ... 4of --- /dev/null +++ b/4of @@ -0,0 +1,1 @@ +4 t 3: Four - jane 2: Three (again) - maria 1: [mq]: 2.patch - jane 0: [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: imported patch 5.patch - johndoe 3: Four - jane 2: Three (again) - maria 1: [mq]: 2.patch - jane 0: [mq]: 1.patch - mary ==== hg qref adding 5 # HG changeset patch # Parent # User johndoe diff -r ... 5 --- /dev/null +++ b/5 @@ -0,0 +1,1 @@ +5 4: [mq]: 5.patch - johndoe 3: Four - jane 2: Three (again) - maria 1: [mq]: 2.patch - jane 0: [mq]: 1.patch - mary ==== hg qref -U # HG changeset patch # Parent # User test diff -r ... 5 --- /dev/null +++ b/5 @@ -0,0 +1,1 @@ +5 4: [mq]: 5.patch - test 3: Four - jane 2: Three (again) - maria 1: [mq]: 2.patch - jane 0: [mq]: 1.patch - mary ==== hg qref -u # HG changeset patch # Parent # User johndeere diff -r ... 5 --- /dev/null +++ b/5 @@ -0,0 +1,1 @@ +5 4: [mq]: 5.patch - johndeere 3: Four - jane 2: Three (again) - maria 1: [mq]: 2.patch - jane 0: [mq]: 1.patch - mary ==== qnew with plain header popping 6.patch now at: 5.patch now at: 6.patch From: test 5: imported patch 6.patch - test 4: [mq]: 5.patch - johndeere 3: Four - jane 2: Three (again) - maria 1: [mq]: 2.patch - jane 0: [mq]: 1.patch - mary ==== hg qref adding 6 From: test diff -r ... 6 --- /dev/null +++ b/6 @@ -0,0 +1,1 @@ +6 5: [mq]: 6.patch - test 4: [mq]: 5.patch - johndeere 3: Four - jane 2: Three (again) - maria 1: [mq]: 2.patch - jane 0: [mq]: 1.patch - mary ==== hg qref -U From: test diff -r ... 6 --- /dev/null +++ b/6 @@ -0,0 +1,1 @@ +6 5: [mq]: 6.patch - test 4: [mq]: 5.patch - johndeere 3: Four - jane 2: Three (again) - maria 1: [mq]: 2.patch - jane 0: [mq]: 1.patch - mary ==== hg qref -u From: johndeere diff -r ... 6 --- /dev/null +++ b/6 @@ -0,0 +1,1 @@ +6 5: [mq]: 6.patch - johndeere 4: [mq]: 5.patch - johndeere 3: Four - jane 2: Three (again) - maria 1: [mq]: 2.patch - jane 0: [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: imported patch 6.patch - johndeere 4: imported patch 5.patch - johndeere 3: Four - jane 2: Three (again) - maria 1: imported patch 2.patch - jane 0: 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 # Parent # User test 0: [mq]: 1.patch - test ==== qref adding 1 # HG changeset patch # Parent # User test diff -r ... 1 --- /dev/null +++ b/1 @@ -0,0 +1,1 @@ +1 0: [mq]: 1.patch - test ==== qref -u # HG changeset patch # Parent # User mary diff -r ... 1 --- /dev/null +++ b/1 @@ -0,0 +1,1 @@ +1 0: [mq]: 1.patch - mary ==== 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 - mary ==== qref -u # HG changeset patch # User jane # Parent diff -r ... 2 --- /dev/null +++ b/2 @@ -0,0 +1,1 @@ +2 1: [mq]: 2.patch - jane 0: [mq]: 1.patch - mary ==== qnew -U -m # HG changeset patch # Parent # User test Three 2: Three - test 1: [mq]: 2.patch - jane 0: [mq]: 1.patch - mary ==== qref adding 3 # HG changeset patch # Parent # User test Three diff -r ... 3 --- /dev/null +++ b/3 @@ -0,0 +1,1 @@ +3 2: Three - test 1: [mq]: 2.patch - jane 0: [mq]: 1.patch - mary ==== qref -m # HG changeset patch # Parent # User test Drei diff -r ... 3 --- /dev/null +++ b/3 @@ -0,0 +1,1 @@ +3 2: Drei - test 1: [mq]: 2.patch - jane 0: [mq]: 1.patch - mary ==== qref -u # HG changeset patch # Parent # User mary Drei diff -r ... 3 --- /dev/null +++ b/3 @@ -0,0 +1,1 @@ +3 2: Drei - mary 1: [mq]: 2.patch - jane 0: [mq]: 1.patch - mary ==== qref -u -m # HG changeset patch # Parent # User maria Three (again) diff -r ... 3 --- /dev/null +++ b/3 @@ -0,0 +1,1 @@ +3 2: Three (again) - maria 1: [mq]: 2.patch - jane 0: [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: Four - test 2: Three (again) - maria 1: [mq]: 2.patch - jane 0: [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: Four - jane 2: Three (again) - maria 1: [mq]: 2.patch - jane 0: [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: imported patch 5.patch - johndoe 3: Four - jane 2: Three (again) - maria 1: [mq]: 2.patch - jane 0: [mq]: 1.patch - mary ==== hg qref adding 5 # HG changeset patch # Parent # User johndoe diff -r ... 5 --- /dev/null +++ b/5 @@ -0,0 +1,1 @@ +5 4: [mq]: 5.patch - johndoe 3: Four - jane 2: Three (again) - maria 1: [mq]: 2.patch - jane 0: [mq]: 1.patch - mary ==== hg qref -U # HG changeset patch # Parent # User test diff -r ... 5 --- /dev/null +++ b/5 @@ -0,0 +1,1 @@ +5 4: [mq]: 5.patch - test 3: Four - jane 2: Three (again) - maria 1: [mq]: 2.patch - jane 0: [mq]: 1.patch - mary ==== hg qref -u # HG changeset patch # Parent # User johndeere diff -r ... 5 --- /dev/null +++ b/5 @@ -0,0 +1,1 @@ +5 4: [mq]: 5.patch - johndeere 3: Four - jane 2: Three (again) - maria 1: [mq]: 2.patch - jane 0: [mq]: 1.patch - mary ==== qnew with plain header popping 6.patch now at: 5.patch now at: 6.patch From: test 5: imported patch 6.patch - test 4: [mq]: 5.patch - johndeere 3: Four - jane 2: Three (again) - maria 1: [mq]: 2.patch - jane 0: [mq]: 1.patch - mary ==== hg qref adding 6 From: test diff -r ... 6 --- /dev/null +++ b/6 @@ -0,0 +1,1 @@ +6 5: [mq]: 6.patch - test 4: [mq]: 5.patch - johndeere 3: Four - jane 2: Three (again) - maria 1: [mq]: 2.patch - jane 0: [mq]: 1.patch - mary ==== hg qref -U From: test diff -r ... 6 --- /dev/null +++ b/6 @@ -0,0 +1,1 @@ +6 5: [mq]: 6.patch - test 4: [mq]: 5.patch - johndeere 3: Four - jane 2: Three (again) - maria 1: [mq]: 2.patch - jane 0: [mq]: 1.patch - mary ==== hg qref -u From: johndeere diff -r ... 6 --- /dev/null +++ b/6 @@ -0,0 +1,1 @@ +6 5: [mq]: 6.patch - johndeere 4: [mq]: 5.patch - johndeere 3: Four - jane 2: Three (again) - maria 1: [mq]: 2.patch - jane 0: [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: imported patch 6.patch - johndeere 4: imported patch 5.patch - johndeere 3: Four - jane 2: Three (again) - maria 1: imported patch 2.patch - jane 0: imported patch 1.patch - mary $ rm -r sandbox $ runtest ==== init ==== qnew -U # HG changeset patch # Parent # User test 0: [mq]: 1.patch - test ==== qref adding 1 # HG changeset patch # Parent # User test diff -r ... 1 --- /dev/null +++ b/1 @@ -0,0 +1,1 @@ +1 0: [mq]: 1.patch - test ==== qref -u # HG changeset patch # Parent # User mary diff -r ... 1 --- /dev/null +++ b/1 @@ -0,0 +1,1 @@ +1 0: [mq]: 1.patch - mary ==== 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 - mary ==== qref -u # HG changeset patch # User jane # Parent diff -r ... 2 --- /dev/null +++ b/2 @@ -0,0 +1,1 @@ +2 1: [mq]: 2.patch - jane 0: [mq]: 1.patch - mary ==== qnew -U -m # HG changeset patch # Parent # User test Three 2: Three - test 1: [mq]: 2.patch - jane 0: [mq]: 1.patch - mary ==== qref adding 3 # HG changeset patch # Parent # User test Three diff -r ... 3 --- /dev/null +++ b/3 @@ -0,0 +1,1 @@ +3 2: Three - test 1: [mq]: 2.patch - jane 0: [mq]: 1.patch - mary ==== qref -m # HG changeset patch # Parent # User test Drei diff -r ... 3 --- /dev/null +++ b/3 @@ -0,0 +1,1 @@ +3 2: Drei - test 1: [mq]: 2.patch - jane 0: [mq]: 1.patch - mary ==== qref -u # HG changeset patch # Parent # User mary Drei diff -r ... 3 --- /dev/null +++ b/3 @@ -0,0 +1,1 @@ +3 2: Drei - mary 1: [mq]: 2.patch - jane 0: [mq]: 1.patch - mary ==== qref -u -m # HG changeset patch # Parent # User maria Three (again) diff -r ... 3 --- /dev/null +++ b/3 @@ -0,0 +1,1 @@ +3 2: Three (again) - maria 1: [mq]: 2.patch - jane 0: [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: Four - test 2: Three (again) - maria 1: [mq]: 2.patch - jane 0: [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: Four - jane 2: Three (again) - maria 1: [mq]: 2.patch - jane 0: [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: imported patch 5.patch - johndoe 3: Four - jane 2: Three (again) - maria 1: [mq]: 2.patch - jane 0: [mq]: 1.patch - mary ==== hg qref adding 5 # HG changeset patch # Parent # User johndoe diff -r ... 5 --- /dev/null +++ b/5 @@ -0,0 +1,1 @@ +5 4: [mq]: 5.patch - johndoe 3: Four - jane 2: Three (again) - maria 1: [mq]: 2.patch - jane 0: [mq]: 1.patch - mary ==== hg qref -U # HG changeset patch # Parent # User test diff -r ... 5 --- /dev/null +++ b/5 @@ -0,0 +1,1 @@ +5 4: [mq]: 5.patch - test 3: Four - jane 2: Three (again) - maria 1: [mq]: 2.patch - jane 0: [mq]: 1.patch - mary ==== hg qref -u # HG changeset patch # Parent # User johndeere diff -r ... 5 --- /dev/null +++ b/5 @@ -0,0 +1,1 @@ +5 4: [mq]: 5.patch - johndeere 3: Four - jane 2: Three (again) - maria 1: [mq]: 2.patch - jane 0: [mq]: 1.patch - mary ==== qnew with plain header popping 6.patch now at: 5.patch now at: 6.patch From: test 5: imported patch 6.patch - test 4: [mq]: 5.patch - johndeere 3: Four - jane 2: Three (again) - maria 1: [mq]: 2.patch - jane 0: [mq]: 1.patch - mary ==== hg qref adding 6 From: test diff -r ... 6 --- /dev/null +++ b/6 @@ -0,0 +1,1 @@ +6 5: [mq]: 6.patch - test 4: [mq]: 5.patch - johndeere 3: Four - jane 2: Three (again) - maria 1: [mq]: 2.patch - jane 0: [mq]: 1.patch - mary ==== hg qref -U From: test diff -r ... 6 --- /dev/null +++ b/6 @@ -0,0 +1,1 @@ +6 5: [mq]: 6.patch - test 4: [mq]: 5.patch - johndeere 3: Four - jane 2: Three (again) - maria 1: [mq]: 2.patch - jane 0: [mq]: 1.patch - mary ==== hg qref -u From: johndeere diff -r ... 6 --- /dev/null +++ b/6 @@ -0,0 +1,1 @@ +6 5: [mq]: 6.patch - johndeere 4: [mq]: 5.patch - johndeere 3: Four - jane 2: Three (again) - maria 1: [mq]: 2.patch - jane 0: [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: imported patch 6.patch - johndeere 4: imported patch 5.patch - johndeere 3: Four - jane 2: Three (again) - maria 1: imported patch 2.patch - jane 0: imported patch 1.patch - mary $ cd ..