#!/bin/sh

# @  (34) head

# |

# | o  (33) head

# | |

# o |    (32) expand

# |\ \

# | o \    (31) expand

# | |\ \

# | | o \    (30) expand

# | | |\ \

# | | | o |  (29) regular commit

# | | | | |

# | | o | |    (28) merge zero known

# | | |\ \ \

# o | | | | |  (27) collapse

# |/ / / / /

# | | o---+  (26) merge one known; far right

# | | | | |

# +---o | |  (25) merge one known; far left

# | | | | |

# | | o | |  (24) merge one known; immediate right

# | | |\| |

# | | o | |  (23) merge one known; immediate left

# | |/| | |

# +---o---+  (22) merge two known; one far left, one far right

# | |  / /

# o | | |    (21) expand

# |\ \ \ \

# | o---+-+  (20) merge two known; two far right

# |  / / /

# o | | |    (19) expand

# |\ \ \ \

# +---+---o  (18) merge two known; two far left

# | | | |

# | o | |    (17) expand

# | |\ \ \

# | | o---+  (16) merge two known; one immediate right, one near right

# | | |/ /

# o | | |    (15) expand

# |\ \ \ \

# | o-----+  (14) merge two known; one immediate right, one far right

# | |/ / /

# o | | |    (13) expand

# |\ \ \ \

# +---o | |  (12) merge two known; one immediate right, one far left

# | | |/ /

# | o | |    (11) expand

# | |\ \ \

# | | o---+  (10) merge two known; one immediate left, one near right

# | |/ / /

# o | | |    (9) expand

# |\ \ \ \

# | o-----+  (8) merge two known; one immediate left, one far right

# |/ / / /

# o | | |    (7) expand

# |\ \ \ \

# +---o | |  (6) merge two known; one immediate left, one far left

# | |/ / /

# | o | |    (5) expand

# | |\ \ \

# | | o | |  (4) merge two known; one immediate left, one immediate right

# | |/|/ /

# | o / /  (3) collapse

# |/ / /

# o / /  (2) collapse

# |/ /

# o /  (1) collapse

# |/

# o  (0) root

set -e

commit()

{

    rev=$1

    msg=$2

    shift 2

    if [ "$#" -gt 0 ]; then

        hg debugsetparents "$@"

    fi

    echo $rev > $rev

    hg add $rev

    hg ci -d "$rev 0" -m "($rev) $msg"

}

echo "[extensions]" >> $HGRCPATH

echo "graphlog=" >> $HGRCPATH

echo % init

hg init repo

cd repo

echo % empty repo

hg glog

echo % building tree

commit 0 "root"

commit 1 "collapse" 0

commit 2 "collapse" 1

commit 3 "collapse" 2

commit 4 "merge two known; one immediate left, one immediate right" 1 3

commit 5 "expand" 3 4

commit 6 "merge two known; one immediate left, one far left" 2 5

commit 7 "expand" 2 5

commit 8 "merge two known; one immediate left, one far right" 0 7

commit 9 "expand" 7 8

commit 10 "merge two known; one immediate left, one near right" 0 6

commit 11 "expand" 6 10

commit 12 "merge two known; one immediate right, one far left" 1 9

commit 13 "expand" 9 11

commit 14 "merge two known; one immediate right, one far right" 0 12

commit 15 "expand" 13 14

commit 16 "merge two known; one immediate right, one near right" 0 1

commit 17 "expand" 12 16

commit 18 "merge two known; two far left" 1 15

commit 19 "expand" 15 17

commit 20 "merge two known; two far right" 0 18

commit 21 "expand" 19 20

commit 22 "merge two known; one far left, one far right" 18 21

commit 23 "merge one known; immediate left" 1 22

commit 24 "merge one known; immediate right" 0 23

commit 25 "merge one known; far left" 21 24

commit 26 "merge one known; far right" 18 25

commit 27 "collapse" 21

commit 28 "merge zero known" 1 26

commit 29 "regular commit" 0

commit 30 "expand" 28 29

commit 31 "expand" 21 30

commit 32 "expand" 27 31

commit 33 "head" 18

commit 34 "head" 32

echo % glog -q

hg glog -q

echo % glog

hg glog

echo % unused arguments

hg glog -q foo || echo failed