#!/bin/sh

# test merge-tools configuration - mostly exercising filemerge.py

unset HGMERGE # make sure HGMERGE doesn't interfere with the test

hg init

echo "# revision 0"

echo "revision 0" > f

echo "space" >> f

hg commit -Am "revision 0" -d "1000000 0"

echo "# revision 1"

echo "revision 1" > f

echo "space" >> f

hg commit -Am "revision 1" -d "1000000 0"

hg update 0 > /dev/null

echo "# revision 2"

echo "revision 2" > f

echo "space" >> f

hg commit -Am "revision 2" -d "1000000 0"

hg update 0 > /dev/null

echo "# revision 3 - simple to merge"

echo "revision 3" >> f

hg commit -Am "revision 3" -d "1000000 0"

echo "[merge-tools]" > .hg/hgrc

echo

beforemerge() {

  cat .hg/hgrc

  echo "# hg update -C 1"

  hg update -C 1 > /dev/null

}

aftermerge() {

  echo "# cat f"

  cat f

  echo "# hg stat"

  hg stat

  rm -f f.orig

  echo

}

domerge() {

  beforemerge

  echo "# hg merge $*"

  hg merge $*

  aftermerge

}

echo

echo Tool selection

echo

echo "# default is internal merge:"

domerge -r 2

echo "# simplest hgrc using false for merge:"

echo "false.whatever=" >> .hg/hgrc

domerge -r 2

echo "# true with higher .priority gets precedence:"

echo "true.priority=1" >> .hg/hgrc

domerge -r 2

echo "# unless lowered on command line:"

domerge -r 2 --config merge-tools.true.priority=-7

echo "# or false set higher on command line:"

domerge -r 2 --config merge-tools.false.priority=117

echo "# or true.executable not found in PATH:"

domerge -r 2 --config merge-tools.true.executable=nonexistingmergetool

echo "# or true.executable with bogus path:"

domerge -r 2 --config merge-tools.true.executable=/bin/nonexistingmergetool

echo "# but true.executable set to cat found in PATH works:"

echo "true.executable=cat" >> .hg/hgrc

domerge -r 2

echo "# and true.executable set to cat with path works:"

domerge -r 2 --config merge-tools.true.executable=/bin/cat

echo

echo Tool selection and merge-patterns

echo

echo "# merge-patterns specifies new tool tac:"

domerge -r 2 --config merge-patterns.f=tac

echo "# merge-patterns specifies executable not found in PATH and gets warning:"

domerge -r 2 --config merge-patterns.f=true --config merge-tools.true.executable=nonexistingmergetool

echo "# merge-patterns specifies executable with bogus path and gets warning:"

domerge -r 2 --config merge-patterns.f=true --config merge-tools.true.executable=/bin/nonexistingmergetool

echo

echo Premerge

echo

echo "# Default is silent simplemerge:"

domerge -r 3

echo "# .premerge=True is same:"

domerge -r 3 --config merge-tools.true.premerge=True

echo "# .premerge=False executes merge-tool:"

domerge -r 3 --config merge-tools.true.premerge=False

echo

echo Tool execution

echo

echo '# set tools.args explicit to include $base $local $other $output:' # default '$local $base $other'

beforemerge

hg merge -r 2 --config merge-tools.true.executable=head --config merge-tools.true.args='$base $local $other $output' \

  | sed 's,==> .* <==,==> ... <==,g'

aftermerge

echo '# Merge with "echo mergeresult > $local":'

beforemerge

hg merge -r 2 --config merge-tools.true.executable=echo --config merge-tools.true.args='mergeresult > $local'

aftermerge

echo '# - and $local is the file f:'

beforemerge

hg merge -r 2 --config merge-tools.true.executable=echo --config merge-tools.true.args='mergeresult > f'

aftermerge

echo '# Merge with "echo mergeresult > $output" - the variable is a bit magic:'

beforemerge

hg merge -r 2 --config merge-tools.true.executable=echo --config merge-tools.true.args='mergeresult > $output'

aftermerge

echo

echo Merge post-processing

echo

echo "# cat is a bad merge-tool and doesn't change:"

domerge -r 2 --config merge-tools.true.checkchanged=1