Test graph-related template functions

=====================================

  $ cat <<'EOF' >> $HGRCPATH

  > [extensions]

  > drawdag = $RUNTESTDIR/drawdag.py

  > EOF

  $ hg init a

  $ cd a

  $ hg debugdrawdag <<'EOF'

  >   l

  >  / \

  > |   k

  > |   |\

  > |   | j

  > |   | |

  > i   | |

  > |\  | |

  > h | | |

  > | | | |

  > | g | |

  > | | | |

  > f | | |

  > | |/ /

  > | e |

  > | |/

  > | d

  > |/|

  > c |

  > | |

  > b |

  >   |

  >   a

  > EOF

  $ hg log -Gq -T'{rev} {tags}\n'

  o    11 l tip

  |\

  | o    10 i

  | |\

  o \ \    9 k

  |\ \ \

  +-----o  8 g

  | | |

  | o |  7 j

  | | |

  | | o  6 h

  | | |

  o | |  5 e

  |/ /

  | o  4 f

  | |

  o |  3 d

  |\|

  | o  2 c

  | |

  | o  1 b

  |

  o  0 a

  $ cd ..

Create repository containing merges of p1 > p2:

  $ hg init named-branch-order

  $ cd named-branch-order

  $ hg branch -q b0

  $ hg ci -m 0

  $ hg up -q null

  $ hg branch -q b1

  $ hg ci -m 1

  $ hg up -q null

  $ hg branch -q b2

  $ hg ci -m 2

  $ hg merge -q 1

  $ hg ci -m 3

  $ hg ci -m 4 --config ui.allowemptycommit=true

  $ hg merge -q 0

  $ hg ci -m 5

  $ hg ci -m 6 --config ui.allowemptycommit=true

  $ hg up -q 1

  $ hg branch -q b7

  $ hg ci -m 7

  $ hg ci -m 8 --config ui.allowemptycommit=true

  $ hg up -q 6

  $ hg ci -m 9 --config ui.allowemptycommit=true

  $ hg up -q 8

  $ hg merge -q 9

  $ hg ci -m 10

  $ hg log -Gq -T'{rev} {branch} -> {p1.rev} {p2.rev}\n'

  @    10 b7 -> 8 9

  |\

  | o  9 b2 -> 6 -1

  | |

  o |  8 b7 -> 7 -1

  | |

  o |  7 b7 -> 1 -1

  | |

  | o  6 b2 -> 5 -1

  | |

  | o    5 b2 -> 4 0

  | |\

  | | o  4 b2 -> 3 -1

  | | |

  +---o  3 b2 -> 2 1

  | | |

  | | o  2 b2 -> -1 -1

  | |

  o |  1 b1 -> -1 -1

   /

  o  0 b0 -> -1 -1

  $ cd ..

subsetparents

-------------

  $ cd a

  $ hg log -Gq -T '{rev} {tags}: {subsetparents(rev, revset("c+i"))}\n' -r 'c+i'

  o  10 i: 2

  :

  o  2 c:

  |

  ~

  $ hg log -Gq -T '{rev} {tags}: {subsetparents(rev, revset("c+h+i"))}\n' -r 'c+h+i'

  o    10 i: 6

  |\

  o :  6 h: 2

  :/

  o  2 c:

  |

  ~

  $ hg log -Gq -T '{rev} {tags}: {subsetparents(rev, revset("c+h+l"))}\n' -r 'c+h+l'

  o    11 l tip: 6

  :\

  : o  6 h: 2

  :/

  o  2 c:

  |

  ~

  $ hg log -Gq -T '{rev} {tags}: {subsetparents(rev, revset("c+f+l"))}\n' -r 'c+f+l'

  o    11 l tip: 4

  :\

  : o  4 f: 2

  :/

  o  2 c:

  |

  ~

  $ hg log -Gq -T '{rev} {tags}: {subsetparents(rev, revset("c+h+i+k"))}\n' -r 'c+h+i+k'

  o    10 i: 6

  |\

  | : o  9 k: 2

  | :/

  o :  6 h: 2

  :/

  o  2 c:

  |

  ~

  $ hg log -Gq -T '{rev} {tags}: {subsetparents(rev, revset("c+d+h+i+k"))}\n' -r 'c+d+h+i+k'

  o    10 i: 6 3

  |\

  | : o  9 k: 3

  | :/

  o :  6 h: 2

  : :

  : o  3 d: 2

  :/|

  : ~

  o  2 c:

  |

  ~

  $ hg log -Gq -T '{rev} {tags}: {subsetparents(rev, revset("c+j+k+i"))}\n' -r 'c+j+k+i'

  o  10 i: 2

  :

  : o  9 k: 7

  :/|

  : o  7 j: 2

  :/

  o  2 c:

  |

  ~

  $ hg log -Gq -T '{rev} {tags}: {subsetparents(rev, revset("c+e+f+j"))}\n' -r 'c+e+f+j'

  o  7 j: 2

  :

  : o  5 e: 2

  :/

  : o  4 f: 2

  :/

  o  2 c:

  |

  ~

  $ hg log -Gq -T '{rev} {tags}: {subsetparents(rev, revset("b+e+f+j"))}\n' -r 'b+e+f+j'

  o  7 j: 1

  :

  : o  5 e: 1

  :/

  : o  4 f: 1

  :/

  o  1 b:

  $ hg log -Gq -T '{rev} {tags}: {subsetparents(rev, revset("a+c+f+g+j+l"))}\n' -r 'a+c+f+g+j+l'

  o    11 l tip: 4 8 7

  :\

  : \

  : :\

  : : \

  : : :\

  : : : \

  : : : :\

  : o---+ :  8 g: 0 2

  : :/ / /

  : +---o  7 j: 0 2

  : : :/

  o---+  4 f: 2

   / /

  : o  2 c:

  : |

  : ~

  o  0 a:

  $ hg log -Gq -T '{rev} {tags}: {subsetparents(rev, revset("b+i+l"))}\n' -r 'b+i+l'

  o    11 l tip: 10

  |\

  o :  10 i: 1

  :/

  o  1 b:

  $ hg log -Gq -T '{rev} {tags}: {subsetparents(rev, revset("b+i+j+l"))}\n' -r 'b+i+j+l'

  o    11 l tip: 10 7

  |\

  | \

  | :\

  o : :  10 i: 1

  :/ /

  : o  7 j: 1

  :/

  o  1 b:

null in subset:

  $ hg log -Gq -T '{rev} {tags}: {subsetparents(rev, revset("null+a+c+f"))}\n' -r 'null+a+c+f'

  o  4 f: 2

  |

  o  2 c: -1

  :

  : o  0 a: -1

  :/

  @  -1 : -1

  $ hg log -Gq -T '{rev} {tags}: {subsetparents(rev, revset("null+a+b+c+f"))}\n' -r 'null+a+b+c+f'

  o  4 f: 2

  |

  o  2 c: 1

  |

  o  1 b: -1

  |

  | o  0 a: -1

  |/

  @  -1 : -1

wdir in subset:

  $ hg update -qC i

  $ hg log -Gq -T '{rev} {tags}: {subsetparents(rev, revset("f+k+wdir()"))}\n' -r 'f+k+wdir()'

  o  2147483647 : 4

  :

  : o    9 k:

  : |\

  : ~ ~

  o  4 f:

  |

  ~

  $ hg update -qC null

Revisions not in subset:

  $ hg log -T '{rev} {tags}: {subsetparents(rev, revset("a+c+f+g+j+l"))}\n'

  11 l tip: 4 8 7

  10 i: 

  9 k: 

  8 g: 0 2

  7 j: 0 2

  6 h: 

  5 e: 

  4 f: 2

  3 d: 

  2 c: 

  1 b: 

  0 a: 

  $ hg log -T '{rev} {tags}: {subsetparents(rev, revset("b+c"))}\n'

  11 l tip: 

  10 i: 

  9 k: 

  8 g: 

  7 j: 

  6 h: 

  5 e: 

  4 f: 

  3 d: 

  2 c: 1

  1 b: 

  0 a: 

  $ hg log -T '{rev} {tags}: {subsetparents(rev, revset("b+c"))}\n' -r'reverse(null:2)'

  2 c: 1

  1 b: 

  0 a: 

  -1 : 

Nothing excluded:

  $ hg log -T '{rev} {tags}: {subsetparents(rev, revset("null:wdir()"))}\n' -r'reverse(null:wdir())'

  2147483647 : -1

  11 l tip: 10 9

  10 i: 6 8

  9 k: 5 7

  8 g: 5

  7 j: 3

  6 h: 4

  5 e: 3

  4 f: 2

  3 d: 0 2

  2 c: 1

  1 b: -1

  0 a: -1

  -1 : -1

Uncachable query:

  $ hg log -Gq -T '{rev} {tags}: {subsetparents(rev, revset("%d:%d", rev, rev - 1))}\n'

  o    11 l tip: 10

  |\

  | o    10 i:

  | |\

  o \ \    9 k:

  |\ \ \

  +-----o  8 g:

  | | |

  | o |  7 j:

  | | |

  | | o  6 h:

  | | |

  o | |  5 e:

  |/ /

  | o  4 f:

  | |

  o |  3 d: 2

  |\|

  | o  2 c: 1

  | |

  | o  1 b:

  |

  o  0 a: -1

Invalid arguments:

  $ hg log -T '{subsetparents()}\n'

  hg: parse error: subsetparents expects two arguments

  [10]

  $ hg log -T '{subsetparents("a")}\n'

  hg: parse error: subsetparents expects two arguments

  [10]

  $ hg log -T '{subsetparents(rev, extras)}\n'

  hg: parse error: subsetparents expects a queried revset

  [10]

  $ cd ..

subsetparents: p1/p2 order

-------------------------

  $ cd named-branch-order

Parents should be sorted in p1/p2 order since p1 is likely to belong to

the same named branch:

  $ hg log -Gq -T '{rev} {tags}: {subsetparents(rev, revset("0+1+2+6"))}\n' -r '0+1+2+6'

  o    6 : 2 1 0

  :\

  : \

  : :\

  : : o  2 :

  : :