#!/bin/sh

# commit hooks can see env vars

hg init a

cd a

echo "[hooks]" > .hg/hgrc

echo 'commit = echo commit hook: n=$HG_NODE p1=$HG_PARENT1 p2=$HG_PARENT2' >> .hg/hgrc

echo 'commit.b = echo commit hook b' >> .hg/hgrc

echo 'precommit = echo precommit hook: p1=$HG_PARENT1 p2=$HG_PARENT2' >> .hg/hgrc

echo 'pretxncommit = echo pretxncommit hook: n=$HG_NODE p1=$HG_PARENT1 p2=$HG_PARENT2; hg -q tip' >> .hg/hgrc

echo a > a

hg add a

hg commit -m a -d "0 0"

hg clone . ../b

cd ../b

# changegroup hooks can see env vars

echo '[hooks]' > .hg/hgrc

echo 'prechangegroup = echo prechangegroup hook' >> .hg/hgrc

echo 'changegroup = echo changegroup hook: n=$HG_NODE' >> .hg/hgrc

echo 'incoming = echo incoming hook: n=$HG_NODE' >> .hg/hgrc

# pretxncommit and commit hooks can see both parents of merge

cd ../a

echo b >> a

hg commit -m a1 -d "1 0"

hg update -C 0

echo b > b

hg add b

hg commit -m b -d '1 0'

hg update -m 1

hg commit -m merge -d '2 0'

cd ../b

hg pull ../a

# tag hooks can see env vars

cd ../a

echo 'pretag = echo pretag hook: t=$HG_TAG n=$HG_NODE l=$HG_LOCAL' >> .hg/hgrc

echo 'tag = echo tag hook: t=$HG_TAG n=$HG_NODE l=$HG_LOCAL' >> .hg/hgrc

hg tag -d '3 0' a

hg tag -l la

# pretag hook can forbid tagging

echo 'pretag.forbid = echo pretag.forbid hook; exit 1' >> .hg/hgrc

hg tag -d '4 0' fa

hg tag -l fla

# pretxncommit hook can see changeset, can roll back txn, changeset

# no more there after

echo 'pretxncommit.forbid = echo pretxncommit.forbid hook: tip=`hg -q tip`; exit 1' >> .hg/hgrc

echo z > z

hg add z

hg -q tip

hg commit -m 'fail' -d '4 0'

hg -q tip

# precommit hook can prevent commit

echo 'precommit.forbid = echo precommit.forbid hook; exit 1' >> .hg/hgrc

hg commit -m 'fail' -d '4 0'

hg -q tip

# prechangegroup hook can prevent incoming changes

cd ../b

hg -q tip

echo '[hooks]' > .hg/hgrc

echo 'prechangegroup.forbid = echo prechangegroup.forbid hook; exit 1' >> .hg/hgrc

hg pull ../a

# pretxnchangegroup hook can see incoming changes, can roll back txn,

# incoming changes no longer there after

echo '[hooks]' > .hg/hgrc

echo 'pretxnchangegroup.forbid = echo pretxnchangegroup.forbid hook: tip=`hg -q tip`; exit 1' >> .hg/hgrc

hg pull ../a

hg -q tip

# outgoing hooks can see env vars

rm .hg/hgrc

echo '[hooks]' > ../a/.hg/hgrc

echo 'preoutgoing = echo preoutgoing hook: s=$HG_SOURCE' >> ../a/.hg/hgrc

echo 'outgoing = echo outgoing hook: n=$HG_NODE s=$HG_SOURCE' >> ../a/.hg/hgrc

hg pull ../a

hg undo

# preoutgoing hook can prevent outgoing changes

echo 'preoutgoing.forbid = echo preoutgoing.forbid hook; exit 1' >> ../a/.hg/hgrc

hg pull ../a

exit 0