diff --git a/tests/test-hook.t b/tests/test-hook.t
--- a/tests/test-hook.t
+++ b/tests/test-hook.t
@@ -14,32 +14,63 @@ commit hooks can see env vars
   $ cd a
   $ cat > .hg/hgrc <<EOF
   > [hooks]
-  > commit = sh -c "HG_LOCAL= HG_TAG= printenv.py commit"
-  > commit.b = sh -c "HG_LOCAL= HG_TAG= printenv.py commit.b"
-  > precommit = sh -c  "HG_LOCAL= HG_NODE= HG_TAG= printenv.py precommit"
-  > pretxncommit = sh -c "HG_LOCAL= HG_TAG= printenv.py pretxncommit"
+  > commit = sh -c "HG_LOCAL= HG_TAG= printenv.py --line commit"
+  > commit.b = sh -c "HG_LOCAL= HG_TAG= printenv.py --line commit.b"
+  > precommit = sh -c  "HG_LOCAL= HG_NODE= HG_TAG= printenv.py --line precommit"
+  > pretxncommit = sh -c "HG_LOCAL= HG_TAG= printenv.py --line pretxncommit"
   > pretxncommit.tip = hg -q tip
-  > pre-identify = sh -c "printenv.py pre-identify 1"
-  > pre-cat = sh -c "printenv.py pre-cat"
-  > post-cat = sh -c "printenv.py post-cat"
-  > pretxnopen = sh -c "HG_LOCAL= HG_TAG= printenv.py pretxnopen"
-  > pretxnclose = sh -c "HG_LOCAL= HG_TAG= printenv.py pretxnclose"
-  > txnclose = sh -c "HG_LOCAL= HG_TAG= printenv.py txnclose"
+  > pre-identify = sh -c "printenv.py --line pre-identify 1"
+  > pre-cat = sh -c "printenv.py --line pre-cat"
+  > post-cat = sh -c "printenv.py --line post-cat"
+  > pretxnopen = sh -c "HG_LOCAL= HG_TAG= printenv.py --line pretxnopen"
+  > pretxnclose = sh -c "HG_LOCAL= HG_TAG= printenv.py --line pretxnclose"
+  > txnclose = sh -c "HG_LOCAL= HG_TAG= printenv.py --line txnclose"
   > txnabort.0 = python:$TESTTMP/txnabort.checkargs.py:showargs
-  > txnabort.1 = sh -c "HG_LOCAL= HG_TAG= printenv.py txnabort"
+  > txnabort.1 = sh -c "HG_LOCAL= HG_TAG= printenv.py --line txnabort"
   > txnclose.checklock = sh -c "hg debuglock > /dev/null"
   > EOF
   $ echo a > a
   $ hg add a
   $ hg commit -m a
-  precommit hook: HG_HOOKNAME=precommit HG_HOOKTYPE=precommit HG_PARENT1=0000000000000000000000000000000000000000
-  pretxnopen hook: HG_HOOKNAME=pretxnopen HG_HOOKTYPE=pretxnopen HG_TXNID=TXN:$ID$ HG_TXNNAME=commit
-  pretxncommit hook: HG_HOOKNAME=pretxncommit HG_HOOKTYPE=pretxncommit HG_NODE=cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b HG_PARENT1=0000000000000000000000000000000000000000 HG_PENDING=$TESTTMP/a
+  precommit hook: HG_HOOKNAME=precommit
+  HG_HOOKTYPE=precommit
+  HG_PARENT1=0000000000000000000000000000000000000000
+  
+  pretxnopen hook: HG_HOOKNAME=pretxnopen
+  HG_HOOKTYPE=pretxnopen
+  HG_TXNID=TXN:$ID$
+  HG_TXNNAME=commit
+  
+  pretxncommit hook: HG_HOOKNAME=pretxncommit
+  HG_HOOKTYPE=pretxncommit
+  HG_NODE=cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b
+  HG_PARENT1=0000000000000000000000000000000000000000
+  HG_PENDING=$TESTTMP/a
+  
   0:cb9a9f314b8b
-  pretxnclose hook: HG_HOOKNAME=pretxnclose HG_HOOKTYPE=pretxnclose HG_PENDING=$TESTTMP/a HG_PHASES_MOVED=1 HG_TXNID=TXN:$ID$ HG_TXNNAME=commit
-  txnclose hook: HG_HOOKNAME=txnclose HG_HOOKTYPE=txnclose HG_PHASES_MOVED=1 HG_TXNID=TXN:$ID$ HG_TXNNAME=commit
-  commit hook: HG_HOOKNAME=commit HG_HOOKTYPE=commit HG_NODE=cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b HG_PARENT1=0000000000000000000000000000000000000000
-  commit.b hook: HG_HOOKNAME=commit.b HG_HOOKTYPE=commit HG_NODE=cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b HG_PARENT1=0000000000000000000000000000000000000000
+  pretxnclose hook: HG_HOOKNAME=pretxnclose
+  HG_HOOKTYPE=pretxnclose
+  HG_PENDING=$TESTTMP/a
+  HG_PHASES_MOVED=1
+  HG_TXNID=TXN:$ID$
+  HG_TXNNAME=commit
+  
+  txnclose hook: HG_HOOKNAME=txnclose
+  HG_HOOKTYPE=txnclose
+  HG_PHASES_MOVED=1
+  HG_TXNID=TXN:$ID$
+  HG_TXNNAME=commit
+  
+  commit hook: HG_HOOKNAME=commit
+  HG_HOOKTYPE=commit
+  HG_NODE=cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b
+  HG_PARENT1=0000000000000000000000000000000000000000
+  
+  commit.b hook: HG_HOOKNAME=commit.b
+  HG_HOOKTYPE=commit
+  HG_NODE=cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b
+  HG_PARENT1=0000000000000000000000000000000000000000
+  
 
   $ hg clone . ../b
   updating to branch default
@@ -50,9 +81,9 @@ changegroup hooks can see env vars
 
   $ cat > .hg/hgrc <<EOF
   > [hooks]
-  > prechangegroup = sh -c "printenv.py prechangegroup"
-  > changegroup = sh -c "printenv.py changegroup"
-  > incoming = sh -c "printenv.py incoming"
+  > prechangegroup = sh -c "printenv.py --line prechangegroup"
+  > changegroup = sh -c "printenv.py --line changegroup"
+  > incoming = sh -c "printenv.py --line incoming"
   > EOF
 
 pretxncommit and commit hooks can see both parents of merge
@@ -60,103 +91,309 @@ pretxncommit and commit hooks can see bo
   $ cd ../a
   $ echo b >> a
   $ hg commit -m a1 -d "1 0"
-  precommit hook: HG_HOOKNAME=precommit HG_HOOKTYPE=precommit HG_PARENT1=cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b
-  pretxnopen hook: HG_HOOKNAME=pretxnopen HG_HOOKTYPE=pretxnopen HG_TXNID=TXN:$ID$ HG_TXNNAME=commit
-  pretxncommit hook: HG_HOOKNAME=pretxncommit HG_HOOKTYPE=pretxncommit HG_NODE=ab228980c14deea8b9555d91c9581127383e40fd HG_PARENT1=cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b HG_PENDING=$TESTTMP/a
+  precommit hook: HG_HOOKNAME=precommit
+  HG_HOOKTYPE=precommit
+  HG_PARENT1=cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b
+  
+  pretxnopen hook: HG_HOOKNAME=pretxnopen
+  HG_HOOKTYPE=pretxnopen
+  HG_TXNID=TXN:$ID$
+  HG_TXNNAME=commit
+  
+  pretxncommit hook: HG_HOOKNAME=pretxncommit
+  HG_HOOKTYPE=pretxncommit
+  HG_NODE=ab228980c14deea8b9555d91c9581127383e40fd
+  HG_PARENT1=cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b
+  HG_PENDING=$TESTTMP/a
+  
   1:ab228980c14d
-  pretxnclose hook: HG_HOOKNAME=pretxnclose HG_HOOKTYPE=pretxnclose HG_PENDING=$TESTTMP/a HG_TXNID=TXN:$ID$ HG_TXNNAME=commit
-  txnclose hook: HG_HOOKNAME=txnclose HG_HOOKTYPE=txnclose HG_TXNID=TXN:$ID$ HG_TXNNAME=commit
-  commit hook: HG_HOOKNAME=commit HG_HOOKTYPE=commit HG_NODE=ab228980c14deea8b9555d91c9581127383e40fd HG_PARENT1=cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b
-  commit.b hook: HG_HOOKNAME=commit.b HG_HOOKTYPE=commit HG_NODE=ab228980c14deea8b9555d91c9581127383e40fd HG_PARENT1=cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b
+  pretxnclose hook: HG_HOOKNAME=pretxnclose
+  HG_HOOKTYPE=pretxnclose
+  HG_PENDING=$TESTTMP/a
+  HG_TXNID=TXN:$ID$
+  HG_TXNNAME=commit
+  
+  txnclose hook: HG_HOOKNAME=txnclose
+  HG_HOOKTYPE=txnclose
+  HG_TXNID=TXN:$ID$
+  HG_TXNNAME=commit
+  
+  commit hook: HG_HOOKNAME=commit
+  HG_HOOKTYPE=commit
+  HG_NODE=ab228980c14deea8b9555d91c9581127383e40fd
+  HG_PARENT1=cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b
+  
+  commit.b hook: HG_HOOKNAME=commit.b
+  HG_HOOKTYPE=commit
+  HG_NODE=ab228980c14deea8b9555d91c9581127383e40fd
+  HG_PARENT1=cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b
+  
   $ hg update -C 0
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ echo b > b
   $ hg add b
   $ hg commit -m b -d '1 0'
-  precommit hook: HG_HOOKNAME=precommit HG_HOOKTYPE=precommit HG_PARENT1=cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b
-  pretxnopen hook: HG_HOOKNAME=pretxnopen HG_HOOKTYPE=pretxnopen HG_TXNID=TXN:$ID$ HG_TXNNAME=commit
-  pretxncommit hook: HG_HOOKNAME=pretxncommit HG_HOOKTYPE=pretxncommit HG_NODE=ee9deb46ab31e4cc3310f3cf0c3d668e4d8fffc2 HG_PARENT1=cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b HG_PENDING=$TESTTMP/a
+  precommit hook: HG_HOOKNAME=precommit
+  HG_HOOKTYPE=precommit
+  HG_PARENT1=cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b
+  
+  pretxnopen hook: HG_HOOKNAME=pretxnopen
+  HG_HOOKTYPE=pretxnopen
+  HG_TXNID=TXN:$ID$
+  HG_TXNNAME=commit
+  
+  pretxncommit hook: HG_HOOKNAME=pretxncommit
+  HG_HOOKTYPE=pretxncommit
+  HG_NODE=ee9deb46ab31e4cc3310f3cf0c3d668e4d8fffc2
+  HG_PARENT1=cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b
+  HG_PENDING=$TESTTMP/a
+  
   2:ee9deb46ab31
-  pretxnclose hook: HG_HOOKNAME=pretxnclose HG_HOOKTYPE=pretxnclose HG_PENDING=$TESTTMP/a HG_TXNID=TXN:$ID$ HG_TXNNAME=commit
+  pretxnclose hook: HG_HOOKNAME=pretxnclose
+  HG_HOOKTYPE=pretxnclose
+  HG_PENDING=$TESTTMP/a
+  HG_TXNID=TXN:$ID$
+  HG_TXNNAME=commit
+  
   created new head
-  txnclose hook: HG_HOOKNAME=txnclose HG_HOOKTYPE=txnclose HG_TXNID=TXN:$ID$ HG_TXNNAME=commit
-  commit hook: HG_HOOKNAME=commit HG_HOOKTYPE=commit HG_NODE=ee9deb46ab31e4cc3310f3cf0c3d668e4d8fffc2 HG_PARENT1=cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b
-  commit.b hook: HG_HOOKNAME=commit.b HG_HOOKTYPE=commit HG_NODE=ee9deb46ab31e4cc3310f3cf0c3d668e4d8fffc2 HG_PARENT1=cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b
+  txnclose hook: HG_HOOKNAME=txnclose
+  HG_HOOKTYPE=txnclose
+  HG_TXNID=TXN:$ID$
+  HG_TXNNAME=commit
+  
+  commit hook: HG_HOOKNAME=commit
+  HG_HOOKTYPE=commit
+  HG_NODE=ee9deb46ab31e4cc3310f3cf0c3d668e4d8fffc2
+  HG_PARENT1=cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b
+  
+  commit.b hook: HG_HOOKNAME=commit.b
+  HG_HOOKTYPE=commit
+  HG_NODE=ee9deb46ab31e4cc3310f3cf0c3d668e4d8fffc2
+  HG_PARENT1=cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b
+  
   $ hg merge 1
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   (branch merge, don't forget to commit)
   $ hg commit -m merge -d '2 0'
-  precommit hook: HG_HOOKNAME=precommit HG_HOOKTYPE=precommit HG_PARENT1=ee9deb46ab31e4cc3310f3cf0c3d668e4d8fffc2 HG_PARENT2=ab228980c14deea8b9555d91c9581127383e40fd
-  pretxnopen hook: HG_HOOKNAME=pretxnopen HG_HOOKTYPE=pretxnopen HG_TXNID=TXN:$ID$ HG_TXNNAME=commit
-  pretxncommit hook: HG_HOOKNAME=pretxncommit HG_HOOKTYPE=pretxncommit HG_NODE=07f3376c1e655977439df2a814e3cc14b27abac2 HG_PARENT1=ee9deb46ab31e4cc3310f3cf0c3d668e4d8fffc2 HG_PARENT2=ab228980c14deea8b9555d91c9581127383e40fd HG_PENDING=$TESTTMP/a
+  precommit hook: HG_HOOKNAME=precommit
+  HG_HOOKTYPE=precommit
+  HG_PARENT1=ee9deb46ab31e4cc3310f3cf0c3d668e4d8fffc2
+  HG_PARENT2=ab228980c14deea8b9555d91c9581127383e40fd
+  
+  pretxnopen hook: HG_HOOKNAME=pretxnopen
+  HG_HOOKTYPE=pretxnopen
+  HG_TXNID=TXN:$ID$
+  HG_TXNNAME=commit
+  
+  pretxncommit hook: HG_HOOKNAME=pretxncommit
+  HG_HOOKTYPE=pretxncommit
+  HG_NODE=07f3376c1e655977439df2a814e3cc14b27abac2
+  HG_PARENT1=ee9deb46ab31e4cc3310f3cf0c3d668e4d8fffc2
+  HG_PARENT2=ab228980c14deea8b9555d91c9581127383e40fd
+  HG_PENDING=$TESTTMP/a
+  
   3:07f3376c1e65
-  pretxnclose hook: HG_HOOKNAME=pretxnclose HG_HOOKTYPE=pretxnclose HG_PENDING=$TESTTMP/a HG_TXNID=TXN:$ID$ HG_TXNNAME=commit
-  txnclose hook: HG_HOOKNAME=txnclose HG_HOOKTYPE=txnclose HG_TXNID=TXN:$ID$ HG_TXNNAME=commit
-  commit hook: HG_HOOKNAME=commit HG_HOOKTYPE=commit HG_NODE=07f3376c1e655977439df2a814e3cc14b27abac2 HG_PARENT1=ee9deb46ab31e4cc3310f3cf0c3d668e4d8fffc2 HG_PARENT2=ab228980c14deea8b9555d91c9581127383e40fd
-  commit.b hook: HG_HOOKNAME=commit.b HG_HOOKTYPE=commit HG_NODE=07f3376c1e655977439df2a814e3cc14b27abac2 HG_PARENT1=ee9deb46ab31e4cc3310f3cf0c3d668e4d8fffc2 HG_PARENT2=ab228980c14deea8b9555d91c9581127383e40fd
+  pretxnclose hook: HG_HOOKNAME=pretxnclose
+  HG_HOOKTYPE=pretxnclose
+  HG_PENDING=$TESTTMP/a
+  HG_TXNID=TXN:$ID$
+  HG_TXNNAME=commit
+  
+  txnclose hook: HG_HOOKNAME=txnclose
+  HG_HOOKTYPE=txnclose
+  HG_TXNID=TXN:$ID$
+  HG_TXNNAME=commit
+  
+  commit hook: HG_HOOKNAME=commit
+  HG_HOOKTYPE=commit
+  HG_NODE=07f3376c1e655977439df2a814e3cc14b27abac2
+  HG_PARENT1=ee9deb46ab31e4cc3310f3cf0c3d668e4d8fffc2
+  HG_PARENT2=ab228980c14deea8b9555d91c9581127383e40fd
+  
+  commit.b hook: HG_HOOKNAME=commit.b
+  HG_HOOKTYPE=commit
+  HG_NODE=07f3376c1e655977439df2a814e3cc14b27abac2
+  HG_PARENT1=ee9deb46ab31e4cc3310f3cf0c3d668e4d8fffc2
+  HG_PARENT2=ab228980c14deea8b9555d91c9581127383e40fd
+  
 
 test generic hooks
 
   $ hg id
-  pre-identify hook: HG_ARGS=id HG_HOOKNAME=pre-identify HG_HOOKTYPE=pre-identify HG_OPTS={'bookmarks': None, 'branch': None, 'id': None, 'insecure': None, 'num': None, 'remotecmd': '', 'rev': '', 'ssh': '', 'tags': None, 'template': ''} HG_PATS=[]
+  pre-identify hook: HG_ARGS=id
+  HG_HOOKNAME=pre-identify
+  HG_HOOKTYPE=pre-identify
+  HG_OPTS={'bookmarks': None, 'branch': None, 'id': None, 'insecure': None, 'num': None, 'remotecmd': '', 'rev': '', 'ssh': '', 'tags': None, 'template': ''}
+  HG_PATS=[]
+  
   abort: pre-identify hook exited with status 1
   [255]
   $ hg cat b
-  pre-cat hook: HG_ARGS=cat b HG_HOOKNAME=pre-cat HG_HOOKTYPE=pre-cat HG_OPTS={'decode': None, 'exclude': [], 'include': [], 'output': '', 'rev': '', 'template': ''} HG_PATS=['b']
+  pre-cat hook: HG_ARGS=cat b
+  HG_HOOKNAME=pre-cat
+  HG_HOOKTYPE=pre-cat
+  HG_OPTS={'decode': None, 'exclude': [], 'include': [], 'output': '', 'rev': '', 'template': ''}
+  HG_PATS=['b']
+  
   b
-  post-cat hook: HG_ARGS=cat b HG_HOOKNAME=post-cat HG_HOOKTYPE=post-cat HG_OPTS={'decode': None, 'exclude': [], 'include': [], 'output': '', 'rev': '', 'template': ''} HG_PATS=['b'] HG_RESULT=0
+  post-cat hook: HG_ARGS=cat b
+  HG_HOOKNAME=post-cat
+  HG_HOOKTYPE=post-cat
+  HG_OPTS={'decode': None, 'exclude': [], 'include': [], 'output': '', 'rev': '', 'template': ''}
+  HG_PATS=['b']
+  HG_RESULT=0
+  
 
   $ cd ../b
   $ hg pull ../a
   pulling from ../a
   searching for changes
-  prechangegroup hook: HG_HOOKNAME=prechangegroup HG_HOOKTYPE=prechangegroup HG_SOURCE=pull HG_TXNID=TXN:$ID$ HG_URL=file:$TESTTMP/a
+  prechangegroup hook: HG_HOOKNAME=prechangegroup
+  HG_HOOKTYPE=prechangegroup
+  HG_SOURCE=pull
+  HG_TXNID=TXN:$ID$
+  HG_URL=file:$TESTTMP/a
+  
   adding changesets
   adding manifests
   adding file changes
   added 3 changesets with 2 changes to 2 files
   new changesets ab228980c14d:07f3376c1e65
-  changegroup hook: HG_HOOKNAME=changegroup HG_HOOKTYPE=changegroup HG_NODE=ab228980c14deea8b9555d91c9581127383e40fd HG_NODE_LAST=07f3376c1e655977439df2a814e3cc14b27abac2 HG_SOURCE=pull HG_TXNID=TXN:$ID$ HG_URL=file:$TESTTMP/a
-  incoming hook: HG_HOOKNAME=incoming HG_HOOKTYPE=incoming HG_NODE=ab228980c14deea8b9555d91c9581127383e40fd HG_SOURCE=pull HG_TXNID=TXN:$ID$ HG_URL=file:$TESTTMP/a
-  incoming hook: HG_HOOKNAME=incoming HG_HOOKTYPE=incoming HG_NODE=ee9deb46ab31e4cc3310f3cf0c3d668e4d8fffc2 HG_SOURCE=pull HG_TXNID=TXN:$ID$ HG_URL=file:$TESTTMP/a
-  incoming hook: HG_HOOKNAME=incoming HG_HOOKTYPE=incoming HG_NODE=07f3376c1e655977439df2a814e3cc14b27abac2 HG_SOURCE=pull HG_TXNID=TXN:$ID$ HG_URL=file:$TESTTMP/a
+  changegroup hook: HG_HOOKNAME=changegroup
+  HG_HOOKTYPE=changegroup
+  HG_NODE=ab228980c14deea8b9555d91c9581127383e40fd
+  HG_NODE_LAST=07f3376c1e655977439df2a814e3cc14b27abac2
+  HG_SOURCE=pull
+  HG_TXNID=TXN:$ID$
+  HG_URL=file:$TESTTMP/a
+  
+  incoming hook: HG_HOOKNAME=incoming
+  HG_HOOKTYPE=incoming
+  HG_NODE=ab228980c14deea8b9555d91c9581127383e40fd
+  HG_SOURCE=pull
+  HG_TXNID=TXN:$ID$
+  HG_URL=file:$TESTTMP/a
+  
+  incoming hook: HG_HOOKNAME=incoming
+  HG_HOOKTYPE=incoming
+  HG_NODE=ee9deb46ab31e4cc3310f3cf0c3d668e4d8fffc2
+  HG_SOURCE=pull
+  HG_TXNID=TXN:$ID$
+  HG_URL=file:$TESTTMP/a
+  
+  incoming hook: HG_HOOKNAME=incoming
+  HG_HOOKTYPE=incoming
+  HG_NODE=07f3376c1e655977439df2a814e3cc14b27abac2
+  HG_SOURCE=pull
+  HG_TXNID=TXN:$ID$
+  HG_URL=file:$TESTTMP/a
+  
   (run 'hg update' to get a working copy)
 
 tag hooks can see env vars
 
   $ cd ../a
   $ cat >> .hg/hgrc <<EOF
-  > pretag = sh -c "printenv.py pretag"
-  > tag = sh -c "HG_PARENT1= HG_PARENT2= printenv.py tag"
+  > pretag = sh -c "printenv.py --line pretag"
+  > tag = sh -c "HG_PARENT1= HG_PARENT2= printenv.py --line tag"
   > EOF
   $ hg tag -d '3 0' a
-  pretag hook: HG_HOOKNAME=pretag HG_HOOKTYPE=pretag HG_LOCAL=0 HG_NODE=07f3376c1e655977439df2a814e3cc14b27abac2 HG_TAG=a
-  precommit hook: HG_HOOKNAME=precommit HG_HOOKTYPE=precommit HG_PARENT1=07f3376c1e655977439df2a814e3cc14b27abac2
-  pretxnopen hook: HG_HOOKNAME=pretxnopen HG_HOOKTYPE=pretxnopen HG_TXNID=TXN:$ID$ HG_TXNNAME=commit
-  pretxncommit hook: HG_HOOKNAME=pretxncommit HG_HOOKTYPE=pretxncommit HG_NODE=539e4b31b6dc99b3cfbaa6b53cbc1c1f9a1e3a10 HG_PARENT1=07f3376c1e655977439df2a814e3cc14b27abac2 HG_PENDING=$TESTTMP/a
+  pretag hook: HG_HOOKNAME=pretag
+  HG_HOOKTYPE=pretag
+  HG_LOCAL=0
+  HG_NODE=07f3376c1e655977439df2a814e3cc14b27abac2
+  HG_TAG=a
+  
+  precommit hook: HG_HOOKNAME=precommit
+  HG_HOOKTYPE=precommit
+  HG_PARENT1=07f3376c1e655977439df2a814e3cc14b27abac2
+  
+  pretxnopen hook: HG_HOOKNAME=pretxnopen
+  HG_HOOKTYPE=pretxnopen
+  HG_TXNID=TXN:$ID$
+  HG_TXNNAME=commit
+  
+  pretxncommit hook: HG_HOOKNAME=pretxncommit
+  HG_HOOKTYPE=pretxncommit
+  HG_NODE=539e4b31b6dc99b3cfbaa6b53cbc1c1f9a1e3a10
+  HG_PARENT1=07f3376c1e655977439df2a814e3cc14b27abac2
+  HG_PENDING=$TESTTMP/a
+  
   4:539e4b31b6dc
-  pretxnclose hook: HG_HOOKNAME=pretxnclose HG_HOOKTYPE=pretxnclose HG_PENDING=$TESTTMP/a HG_TXNID=TXN:$ID$ HG_TXNNAME=commit
-  tag hook: HG_HOOKNAME=tag HG_HOOKTYPE=tag HG_LOCAL=0 HG_NODE=07f3376c1e655977439df2a814e3cc14b27abac2 HG_TAG=a
-  txnclose hook: HG_HOOKNAME=txnclose HG_HOOKTYPE=txnclose HG_TXNID=TXN:$ID$ HG_TXNNAME=commit
-  commit hook: HG_HOOKNAME=commit HG_HOOKTYPE=commit HG_NODE=539e4b31b6dc99b3cfbaa6b53cbc1c1f9a1e3a10 HG_PARENT1=07f3376c1e655977439df2a814e3cc14b27abac2
-  commit.b hook: HG_HOOKNAME=commit.b HG_HOOKTYPE=commit HG_NODE=539e4b31b6dc99b3cfbaa6b53cbc1c1f9a1e3a10 HG_PARENT1=07f3376c1e655977439df2a814e3cc14b27abac2
+  pretxnclose hook: HG_HOOKNAME=pretxnclose
+  HG_HOOKTYPE=pretxnclose
+  HG_PENDING=$TESTTMP/a
+  HG_TXNID=TXN:$ID$
+  HG_TXNNAME=commit
+  
+  tag hook: HG_HOOKNAME=tag
+  HG_HOOKTYPE=tag
+  HG_LOCAL=0
+  HG_NODE=07f3376c1e655977439df2a814e3cc14b27abac2
+  HG_TAG=a
+  
+  txnclose hook: HG_HOOKNAME=txnclose
+  HG_HOOKTYPE=txnclose
+  HG_TXNID=TXN:$ID$
+  HG_TXNNAME=commit
+  
+  commit hook: HG_HOOKNAME=commit
+  HG_HOOKTYPE=commit
+  HG_NODE=539e4b31b6dc99b3cfbaa6b53cbc1c1f9a1e3a10
+  HG_PARENT1=07f3376c1e655977439df2a814e3cc14b27abac2
+  
+  commit.b hook: HG_HOOKNAME=commit.b
+  HG_HOOKTYPE=commit
+  HG_NODE=539e4b31b6dc99b3cfbaa6b53cbc1c1f9a1e3a10
+  HG_PARENT1=07f3376c1e655977439df2a814e3cc14b27abac2
+  
   $ hg tag -l la
-  pretag hook: HG_HOOKNAME=pretag HG_HOOKTYPE=pretag HG_LOCAL=1 HG_NODE=539e4b31b6dc99b3cfbaa6b53cbc1c1f9a1e3a10 HG_TAG=la
-  tag hook: HG_HOOKNAME=tag HG_HOOKTYPE=tag HG_LOCAL=1 HG_NODE=539e4b31b6dc99b3cfbaa6b53cbc1c1f9a1e3a10 HG_TAG=la
+  pretag hook: HG_HOOKNAME=pretag
+  HG_HOOKTYPE=pretag
+  HG_LOCAL=1
+  HG_NODE=539e4b31b6dc99b3cfbaa6b53cbc1c1f9a1e3a10
+  HG_TAG=la
+  
+  tag hook: HG_HOOKNAME=tag
+  HG_HOOKTYPE=tag
+  HG_LOCAL=1
+  HG_NODE=539e4b31b6dc99b3cfbaa6b53cbc1c1f9a1e3a10
+  HG_TAG=la
+  
 
 pretag hook can forbid tagging
 
   $ cat >> .hg/hgrc <<EOF
-  > pretag.forbid = sh -c "printenv.py pretag.forbid 1"
+  > pretag.forbid = sh -c "printenv.py --line pretag.forbid 1"
   > EOF
   $ hg tag -d '4 0' fa
-  pretag hook: HG_HOOKNAME=pretag HG_HOOKTYPE=pretag HG_LOCAL=0 HG_NODE=539e4b31b6dc99b3cfbaa6b53cbc1c1f9a1e3a10 HG_TAG=fa
-  pretag.forbid hook: HG_HOOKNAME=pretag.forbid HG_HOOKTYPE=pretag HG_LOCAL=0 HG_NODE=539e4b31b6dc99b3cfbaa6b53cbc1c1f9a1e3a10 HG_TAG=fa
+  pretag hook: HG_HOOKNAME=pretag
+  HG_HOOKTYPE=pretag
+  HG_LOCAL=0
+  HG_NODE=539e4b31b6dc99b3cfbaa6b53cbc1c1f9a1e3a10
+  HG_TAG=fa
+  
+  pretag.forbid hook: HG_HOOKNAME=pretag.forbid
+  HG_HOOKTYPE=pretag
+  HG_LOCAL=0
+  HG_NODE=539e4b31b6dc99b3cfbaa6b53cbc1c1f9a1e3a10
+  HG_TAG=fa
+  
   abort: pretag.forbid hook exited with status 1
   [255]
   $ hg tag -l fla
-  pretag hook: HG_HOOKNAME=pretag HG_HOOKTYPE=pretag HG_LOCAL=1 HG_NODE=539e4b31b6dc99b3cfbaa6b53cbc1c1f9a1e3a10 HG_TAG=fla
-  pretag.forbid hook: HG_HOOKNAME=pretag.forbid HG_HOOKTYPE=pretag HG_LOCAL=1 HG_NODE=539e4b31b6dc99b3cfbaa6b53cbc1c1f9a1e3a10 HG_TAG=fla
+  pretag hook: HG_HOOKNAME=pretag
+  HG_HOOKTYPE=pretag
+  HG_LOCAL=1
+  HG_NODE=539e4b31b6dc99b3cfbaa6b53cbc1c1f9a1e3a10
+  HG_TAG=fla
+  
+  pretag.forbid hook: HG_HOOKNAME=pretag.forbid
+  HG_HOOKTYPE=pretag
+  HG_LOCAL=1
+  HG_NODE=539e4b31b6dc99b3cfbaa6b53cbc1c1f9a1e3a10
+  HG_TAG=fla
+  
   abort: pretag.forbid hook exited with status 1
   [255]
 
@@ -165,22 +402,43 @@ more there after
 
   $ cat >> .hg/hgrc <<EOF
   > pretxncommit.forbid0 = sh -c "hg tip -q"
-  > pretxncommit.forbid1 = sh -c "printenv.py pretxncommit.forbid 1"
+  > pretxncommit.forbid1 = sh -c "printenv.py --line pretxncommit.forbid 1"
   > EOF
   $ echo z > z
   $ hg add z
   $ hg -q tip
   4:539e4b31b6dc
   $ hg commit -m 'fail' -d '4 0'
-  precommit hook: HG_HOOKNAME=precommit HG_HOOKTYPE=precommit HG_PARENT1=539e4b31b6dc99b3cfbaa6b53cbc1c1f9a1e3a10
-  pretxnopen hook: HG_HOOKNAME=pretxnopen HG_HOOKTYPE=pretxnopen HG_TXNID=TXN:$ID$ HG_TXNNAME=commit
-  pretxncommit hook: HG_HOOKNAME=pretxncommit HG_HOOKTYPE=pretxncommit HG_NODE=6f611f8018c10e827fee6bd2bc807f937e761567 HG_PARENT1=539e4b31b6dc99b3cfbaa6b53cbc1c1f9a1e3a10 HG_PENDING=$TESTTMP/a
+  precommit hook: HG_HOOKNAME=precommit
+  HG_HOOKTYPE=precommit
+  HG_PARENT1=539e4b31b6dc99b3cfbaa6b53cbc1c1f9a1e3a10
+  
+  pretxnopen hook: HG_HOOKNAME=pretxnopen
+  HG_HOOKTYPE=pretxnopen
+  HG_TXNID=TXN:$ID$
+  HG_TXNNAME=commit
+  
+  pretxncommit hook: HG_HOOKNAME=pretxncommit
+  HG_HOOKTYPE=pretxncommit
+  HG_NODE=6f611f8018c10e827fee6bd2bc807f937e761567
+  HG_PARENT1=539e4b31b6dc99b3cfbaa6b53cbc1c1f9a1e3a10
+  HG_PENDING=$TESTTMP/a
+  
   5:6f611f8018c1
   5:6f611f8018c1
-  pretxncommit.forbid hook: HG_HOOKNAME=pretxncommit.forbid1 HG_HOOKTYPE=pretxncommit HG_NODE=6f611f8018c10e827fee6bd2bc807f937e761567 HG_PARENT1=539e4b31b6dc99b3cfbaa6b53cbc1c1f9a1e3a10 HG_PENDING=$TESTTMP/a
+  pretxncommit.forbid hook: HG_HOOKNAME=pretxncommit.forbid1
+  HG_HOOKTYPE=pretxncommit
+  HG_NODE=6f611f8018c10e827fee6bd2bc807f937e761567
+  HG_PARENT1=539e4b31b6dc99b3cfbaa6b53cbc1c1f9a1e3a10
+  HG_PENDING=$TESTTMP/a
+  
   transaction abort!
   txnabort Python hook: txnid,txnname
-  txnabort hook: HG_HOOKNAME=txnabort.1 HG_HOOKTYPE=txnabort HG_TXNID=TXN:$ID$ HG_TXNNAME=commit
+  txnabort hook: HG_HOOKNAME=txnabort.1
+  HG_HOOKTYPE=txnabort
+  HG_TXNID=TXN:$ID$
+  HG_TXNNAME=commit
+  
   rollback completed
   abort: pretxncommit.forbid1 hook exited with status 1
   [255]
@@ -205,11 +463,17 @@ more there after
 precommit hook can prevent commit
 
   $ cat >> .hg/hgrc <<EOF
-  > precommit.forbid = sh -c "printenv.py precommit.forbid 1"
+  > precommit.forbid = sh -c "printenv.py --line precommit.forbid 1"
   > EOF
   $ hg commit -m 'fail' -d '4 0'
-  precommit hook: HG_HOOKNAME=precommit HG_HOOKTYPE=precommit HG_PARENT1=539e4b31b6dc99b3cfbaa6b53cbc1c1f9a1e3a10
-  precommit.forbid hook: HG_HOOKNAME=precommit.forbid HG_HOOKTYPE=precommit HG_PARENT1=539e4b31b6dc99b3cfbaa6b53cbc1c1f9a1e3a10
+  precommit hook: HG_HOOKNAME=precommit
+  HG_HOOKTYPE=precommit
+  HG_PARENT1=539e4b31b6dc99b3cfbaa6b53cbc1c1f9a1e3a10
+  
+  precommit.forbid hook: HG_HOOKNAME=precommit.forbid
+  HG_HOOKTYPE=precommit
+  HG_PARENT1=539e4b31b6dc99b3cfbaa6b53cbc1c1f9a1e3a10
+  
   abort: precommit.forbid hook exited with status 1
   [255]
   $ hg -q tip
@@ -218,26 +482,36 @@ precommit hook can prevent commit
 preupdate hook can prevent update
 
   $ cat >> .hg/hgrc <<EOF
-  > preupdate = sh -c "printenv.py preupdate"
+  > preupdate = sh -c "printenv.py --line preupdate"
   > EOF
   $ hg update 1
-  preupdate hook: HG_HOOKNAME=preupdate HG_HOOKTYPE=preupdate HG_PARENT1=ab228980c14d
+  preupdate hook: HG_HOOKNAME=preupdate
+  HG_HOOKTYPE=preupdate
+  HG_PARENT1=ab228980c14d
+  
   0 files updated, 0 files merged, 2 files removed, 0 files unresolved
 
 update hook
 
   $ cat >> .hg/hgrc <<EOF
-  > update = sh -c "printenv.py update"
+  > update = sh -c "printenv.py --line update"
   > EOF
   $ hg update
-  preupdate hook: HG_HOOKNAME=preupdate HG_HOOKTYPE=preupdate HG_PARENT1=539e4b31b6dc
-  update hook: HG_ERROR=0 HG_HOOKNAME=update HG_HOOKTYPE=update HG_PARENT1=539e4b31b6dc
+  preupdate hook: HG_HOOKNAME=preupdate
+  HG_HOOKTYPE=preupdate
+  HG_PARENT1=539e4b31b6dc
+  
+  update hook: HG_ERROR=0
+  HG_HOOKNAME=update
+  HG_HOOKTYPE=update
+  HG_PARENT1=539e4b31b6dc
+  
   2 files updated, 0 files merged, 0 files removed, 0 files unresolved
 
 pushkey hook
 
   $ cat >> .hg/hgrc <<EOF
-  > pushkey = sh -c "printenv.py pushkey"
+  > pushkey = sh -c "printenv.py --line pushkey"
   > EOF
   $ cd ../b
   $ hg bookmark -r null foo
@@ -245,10 +519,41 @@ pushkey hook
   pushing to ../a
   searching for changes
   no changes found
-  pretxnopen hook: HG_HOOKNAME=pretxnopen HG_HOOKTYPE=pretxnopen HG_TXNID=TXN:$ID$ HG_TXNNAME=push
-  pretxnclose hook: HG_BOOKMARK_MOVED=1 HG_BUNDLE2=1 HG_HOOKNAME=pretxnclose HG_HOOKTYPE=pretxnclose HG_PENDING=$TESTTMP/a HG_SOURCE=push HG_TXNID=TXN:$ID$ HG_TXNNAME=push HG_URL=file:$TESTTMP/a
-  pushkey hook: HG_BUNDLE2=1 HG_HOOKNAME=pushkey HG_HOOKTYPE=pushkey HG_KEY=foo HG_NAMESPACE=bookmarks HG_NEW=0000000000000000000000000000000000000000 HG_PUSHKEYCOMPAT=1 HG_SOURCE=push HG_TXNID=TXN:$ID$ HG_URL=file:$TESTTMP/a
-  txnclose hook: HG_BOOKMARK_MOVED=1 HG_BUNDLE2=1 HG_HOOKNAME=txnclose HG_HOOKTYPE=txnclose HG_SOURCE=push HG_TXNID=TXN:$ID$ HG_TXNNAME=push HG_URL=file:$TESTTMP/a
+  pretxnopen hook: HG_HOOKNAME=pretxnopen
+  HG_HOOKTYPE=pretxnopen
+  HG_TXNID=TXN:$ID$
+  HG_TXNNAME=push
+  
+  pretxnclose hook: HG_BOOKMARK_MOVED=1
+  HG_BUNDLE2=1
+  HG_HOOKNAME=pretxnclose
+  HG_HOOKTYPE=pretxnclose
+  HG_PENDING=$TESTTMP/a
+  HG_SOURCE=push
+  HG_TXNID=TXN:$ID$
+  HG_TXNNAME=push
+  HG_URL=file:$TESTTMP/a
+  
+  pushkey hook: HG_BUNDLE2=1
+  HG_HOOKNAME=pushkey
+  HG_HOOKTYPE=pushkey
+  HG_KEY=foo
+  HG_NAMESPACE=bookmarks
+  HG_NEW=0000000000000000000000000000000000000000
+  HG_PUSHKEYCOMPAT=1
+  HG_SOURCE=push
+  HG_TXNID=TXN:$ID$
+  HG_URL=file:$TESTTMP/a
+  
+  txnclose hook: HG_BOOKMARK_MOVED=1
+  HG_BUNDLE2=1
+  HG_HOOKNAME=txnclose
+  HG_HOOKTYPE=txnclose
+  HG_SOURCE=push
+  HG_TXNID=TXN:$ID$
+  HG_TXNNAME=push
+  HG_URL=file:$TESTTMP/a
+  
   exporting bookmark foo
   [1]
   $ cd ../a
@@ -256,16 +561,35 @@ pushkey hook
 listkeys hook
 
   $ cat >> .hg/hgrc <<EOF
-  > listkeys = sh -c "printenv.py listkeys"
+  > listkeys = sh -c "printenv.py --line listkeys"
   > EOF
   $ hg bookmark -r null bar
-  pretxnopen hook: HG_HOOKNAME=pretxnopen HG_HOOKTYPE=pretxnopen HG_TXNID=TXN:$ID$ HG_TXNNAME=bookmark
-  pretxnclose hook: HG_BOOKMARK_MOVED=1 HG_HOOKNAME=pretxnclose HG_HOOKTYPE=pretxnclose HG_PENDING=$TESTTMP/a HG_TXNID=TXN:$ID$ HG_TXNNAME=bookmark
-  txnclose hook: HG_BOOKMARK_MOVED=1 HG_HOOKNAME=txnclose HG_HOOKTYPE=txnclose HG_TXNID=TXN:$ID$ HG_TXNNAME=bookmark
+  pretxnopen hook: HG_HOOKNAME=pretxnopen
+  HG_HOOKTYPE=pretxnopen
+  HG_TXNID=TXN:$ID$
+  HG_TXNNAME=bookmark
+  
+  pretxnclose hook: HG_BOOKMARK_MOVED=1
+  HG_HOOKNAME=pretxnclose
+  HG_HOOKTYPE=pretxnclose
+  HG_PENDING=$TESTTMP/a
+  HG_TXNID=TXN:$ID$
+  HG_TXNNAME=bookmark
+  
+  txnclose hook: HG_BOOKMARK_MOVED=1
+  HG_HOOKNAME=txnclose
+  HG_HOOKTYPE=txnclose
+  HG_TXNID=TXN:$ID$
+  HG_TXNNAME=bookmark
+  
   $ cd ../b
   $ hg pull -B bar ../a
   pulling from ../a
-  listkeys hook: HG_HOOKNAME=listkeys HG_HOOKTYPE=listkeys HG_NAMESPACE=bookmarks HG_VALUES={'bar': '0000000000000000000000000000000000000000', 'foo': '0000000000000000000000000000000000000000'}
+  listkeys hook: HG_HOOKNAME=listkeys
+  HG_HOOKTYPE=listkeys
+  HG_NAMESPACE=bookmarks
+  HG_VALUES={'bar': '0000000000000000000000000000000000000000', 'foo': '0000000000000000000000000000000000000000'}
+  
   no changes found
   adding remote bookmark bar
   $ cd ../a
@@ -273,18 +597,40 @@ listkeys hook
 test that prepushkey can prevent incoming keys
 
   $ cat >> .hg/hgrc <<EOF
-  > prepushkey = sh -c "printenv.py prepushkey.forbid 1"
+  > prepushkey = sh -c "printenv.py --line prepushkey.forbid 1"
   > EOF
   $ cd ../b
   $ hg bookmark -r null baz
   $ hg push -B baz ../a
   pushing to ../a
   searching for changes
-  listkeys hook: HG_HOOKNAME=listkeys HG_HOOKTYPE=listkeys HG_NAMESPACE=phases HG_VALUES={'cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b': '1', 'publishing': 'True'}
-  listkeys hook: HG_HOOKNAME=listkeys HG_HOOKTYPE=listkeys HG_NAMESPACE=bookmarks HG_VALUES={'bar': '0000000000000000000000000000000000000000', 'foo': '0000000000000000000000000000000000000000'}
+  listkeys hook: HG_HOOKNAME=listkeys
+  HG_HOOKTYPE=listkeys
+  HG_NAMESPACE=phases
+  HG_VALUES={'cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b': '1', 'publishing': 'True'}
+  
+  listkeys hook: HG_HOOKNAME=listkeys
+  HG_HOOKTYPE=listkeys
+  HG_NAMESPACE=bookmarks
+  HG_VALUES={'bar': '0000000000000000000000000000000000000000', 'foo': '0000000000000000000000000000000000000000'}
+  
   no changes found
-  pretxnopen hook: HG_HOOKNAME=pretxnopen HG_HOOKTYPE=pretxnopen HG_TXNID=TXN:$ID$ HG_TXNNAME=push
-  prepushkey.forbid hook: HG_BUNDLE2=1 HG_HOOKNAME=prepushkey HG_HOOKTYPE=prepushkey HG_KEY=baz HG_NAMESPACE=bookmarks HG_NEW=0000000000000000000000000000000000000000 HG_PUSHKEYCOMPAT=1 HG_SOURCE=push HG_TXNID=TXN:$ID$ HG_URL=file:$TESTTMP/a
+  pretxnopen hook: HG_HOOKNAME=pretxnopen
+  HG_HOOKTYPE=pretxnopen
+  HG_TXNID=TXN:$ID$
+  HG_TXNNAME=push
+  
+  prepushkey.forbid hook: HG_BUNDLE2=1
+  HG_HOOKNAME=prepushkey
+  HG_HOOKTYPE=prepushkey
+  HG_KEY=baz
+  HG_NAMESPACE=bookmarks
+  HG_NEW=0000000000000000000000000000000000000000
+  HG_PUSHKEYCOMPAT=1
+  HG_SOURCE=push
+  HG_TXNID=TXN:$ID$
+  HG_URL=file:$TESTTMP/a
+  
   abort: prepushkey hook exited with status 1
   [255]
   $ cd ../a
@@ -292,16 +638,34 @@ test that prepushkey can prevent incomin
 test that prelistkeys can prevent listing keys
 
   $ cat >> .hg/hgrc <<EOF
-  > prelistkeys = sh -c "printenv.py prelistkeys.forbid 1"
+  > prelistkeys = sh -c "printenv.py --line prelistkeys.forbid 1"
   > EOF
   $ hg bookmark -r null quux
-  pretxnopen hook: HG_HOOKNAME=pretxnopen HG_HOOKTYPE=pretxnopen HG_TXNID=TXN:$ID$ HG_TXNNAME=bookmark
-  pretxnclose hook: HG_BOOKMARK_MOVED=1 HG_HOOKNAME=pretxnclose HG_HOOKTYPE=pretxnclose HG_PENDING=$TESTTMP/a HG_TXNID=TXN:$ID$ HG_TXNNAME=bookmark
-  txnclose hook: HG_BOOKMARK_MOVED=1 HG_HOOKNAME=txnclose HG_HOOKTYPE=txnclose HG_TXNID=TXN:$ID$ HG_TXNNAME=bookmark
+  pretxnopen hook: HG_HOOKNAME=pretxnopen
+  HG_HOOKTYPE=pretxnopen
+  HG_TXNID=TXN:$ID$
+  HG_TXNNAME=bookmark
+  
+  pretxnclose hook: HG_BOOKMARK_MOVED=1
+  HG_HOOKNAME=pretxnclose
+  HG_HOOKTYPE=pretxnclose
+  HG_PENDING=$TESTTMP/a
+  HG_TXNID=TXN:$ID$
+  HG_TXNNAME=bookmark
+  
+  txnclose hook: HG_BOOKMARK_MOVED=1
+  HG_HOOKNAME=txnclose
+  HG_HOOKTYPE=txnclose
+  HG_TXNID=TXN:$ID$
+  HG_TXNNAME=bookmark
+  
   $ cd ../b
   $ hg pull -B quux ../a
   pulling from ../a
-  prelistkeys.forbid hook: HG_HOOKNAME=prelistkeys HG_HOOKTYPE=prelistkeys HG_NAMESPACE=bookmarks
+  prelistkeys.forbid hook: HG_HOOKNAME=prelistkeys
+  HG_HOOKTYPE=prelistkeys
+  HG_NAMESPACE=bookmarks
+  
   abort: prelistkeys hook exited with status 1
   [255]
   $ cd ../a
@@ -314,12 +678,17 @@ prechangegroup hook can prevent incoming
   3:07f3376c1e65
   $ cat > .hg/hgrc <<EOF
   > [hooks]
-  > prechangegroup.forbid = sh -c "printenv.py prechangegroup.forbid 1"
+  > prechangegroup.forbid = sh -c "printenv.py --line prechangegroup.forbid 1"
   > EOF
   $ hg pull ../a
   pulling from ../a
   searching for changes
-  prechangegroup.forbid hook: HG_HOOKNAME=prechangegroup.forbid HG_HOOKTYPE=prechangegroup HG_SOURCE=pull HG_TXNID=TXN:$ID$ HG_URL=file:$TESTTMP/a
+  prechangegroup.forbid hook: HG_HOOKNAME=prechangegroup.forbid
+  HG_HOOKTYPE=prechangegroup
+  HG_SOURCE=pull
+  HG_TXNID=TXN:$ID$
+  HG_URL=file:$TESTTMP/a
+  
   abort: prechangegroup.forbid hook exited with status 1
   [255]
 
@@ -329,7 +698,7 @@ incoming changes no longer there after
   $ cat > .hg/hgrc <<EOF
   > [hooks]
   > pretxnchangegroup.forbid0 = hg tip -q
-  > pretxnchangegroup.forbid1 = sh -c "printenv.py pretxnchangegroup.forbid 1"
+  > pretxnchangegroup.forbid1 = sh -c "printenv.py --line pretxnchangegroup.forbid 1"
   > EOF
   $ hg pull ../a
   pulling from ../a
@@ -339,7 +708,15 @@ incoming changes no longer there after
   adding file changes
   added 1 changesets with 1 changes to 1 files
   4:539e4b31b6dc
-  pretxnchangegroup.forbid hook: HG_HOOKNAME=pretxnchangegroup.forbid1 HG_HOOKTYPE=pretxnchangegroup HG_NODE=539e4b31b6dc99b3cfbaa6b53cbc1c1f9a1e3a10 HG_NODE_LAST=539e4b31b6dc99b3cfbaa6b53cbc1c1f9a1e3a10 HG_PENDING=$TESTTMP/b HG_SOURCE=pull HG_TXNID=TXN:$ID$ HG_URL=file:$TESTTMP/a
+  pretxnchangegroup.forbid hook: HG_HOOKNAME=pretxnchangegroup.forbid1
+  HG_HOOKTYPE=pretxnchangegroup
+  HG_NODE=539e4b31b6dc99b3cfbaa6b53cbc1c1f9a1e3a10
+  HG_NODE_LAST=539e4b31b6dc99b3cfbaa6b53cbc1c1f9a1e3a10
+  HG_PENDING=$TESTTMP/b
+  HG_SOURCE=pull
+  HG_TXNID=TXN:$ID$
+  HG_URL=file:$TESTTMP/a
+  
   transaction abort!
   rollback completed
   abort: pretxnchangegroup.forbid1 hook exited with status 1
@@ -352,14 +729,21 @@ outgoing hooks can see env vars
   $ rm .hg/hgrc
   $ cat > ../a/.hg/hgrc <<EOF
   > [hooks]
-  > preoutgoing = sh -c "printenv.py preoutgoing"
-  > outgoing = sh -c "printenv.py outgoing"
+  > preoutgoing = sh -c "printenv.py --line preoutgoing"
+  > outgoing = sh -c "printenv.py --line outgoing"
   > EOF
   $ hg pull ../a
   pulling from ../a
   searching for changes
-  preoutgoing hook: HG_HOOKNAME=preoutgoing HG_HOOKTYPE=preoutgoing HG_SOURCE=pull
-  outgoing hook: HG_HOOKNAME=outgoing HG_HOOKTYPE=outgoing HG_NODE=539e4b31b6dc99b3cfbaa6b53cbc1c1f9a1e3a10 HG_SOURCE=pull
+  preoutgoing hook: HG_HOOKNAME=preoutgoing
+  HG_HOOKTYPE=preoutgoing
+  HG_SOURCE=pull
+  
+  outgoing hook: HG_HOOKNAME=outgoing
+  HG_HOOKTYPE=outgoing
+  HG_NODE=539e4b31b6dc99b3cfbaa6b53cbc1c1f9a1e3a10
+  HG_SOURCE=pull
+  
   adding changesets
   adding manifests
   adding file changes
@@ -373,13 +757,19 @@ outgoing hooks can see env vars
 preoutgoing hook can prevent outgoing changes
 
   $ cat >> ../a/.hg/hgrc <<EOF
-  > preoutgoing.forbid = sh -c "printenv.py preoutgoing.forbid 1"
+  > preoutgoing.forbid = sh -c "printenv.py --line preoutgoing.forbid 1"
   > EOF
   $ hg pull ../a
   pulling from ../a
   searching for changes
-  preoutgoing hook: HG_HOOKNAME=preoutgoing HG_HOOKTYPE=preoutgoing HG_SOURCE=pull
-  preoutgoing.forbid hook: HG_HOOKNAME=preoutgoing.forbid HG_HOOKTYPE=preoutgoing HG_SOURCE=pull
+  preoutgoing hook: HG_HOOKNAME=preoutgoing
+  HG_HOOKTYPE=preoutgoing
+  HG_SOURCE=pull
+  
+  preoutgoing.forbid hook: HG_HOOKNAME=preoutgoing.forbid
+  HG_HOOKTYPE=preoutgoing
+  HG_SOURCE=pull
+  
   abort: preoutgoing.forbid hook exited with status 1
   [255]
 
@@ -388,12 +778,19 @@ outgoing hooks work for local clones
   $ cd ..
   $ cat > a/.hg/hgrc <<EOF
   > [hooks]
-  > preoutgoing = sh -c "printenv.py preoutgoing"
-  > outgoing = sh -c "printenv.py outgoing"
+  > preoutgoing = sh -c "printenv.py --line preoutgoing"
+  > outgoing = sh -c "printenv.py --line outgoing"
   > EOF
   $ hg clone a c
-  preoutgoing hook: HG_HOOKNAME=preoutgoing HG_HOOKTYPE=preoutgoing HG_SOURCE=clone
-  outgoing hook: HG_HOOKNAME=outgoing HG_HOOKTYPE=outgoing HG_NODE=0000000000000000000000000000000000000000 HG_SOURCE=clone
+  preoutgoing hook: HG_HOOKNAME=preoutgoing
+  HG_HOOKTYPE=preoutgoing
+  HG_SOURCE=clone
+  
+  outgoing hook: HG_HOOKNAME=outgoing
+  HG_HOOKTYPE=outgoing
+  HG_NODE=0000000000000000000000000000000000000000
+  HG_SOURCE=clone
+  
   updating to branch default
   3 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ rm -rf c
@@ -401,11 +798,17 @@ outgoing hooks work for local clones
 preoutgoing hook can prevent outgoing changes for local clones
 
   $ cat >> a/.hg/hgrc <<EOF
-  > preoutgoing.forbid = sh -c "printenv.py preoutgoing.forbid 1"
+  > preoutgoing.forbid = sh -c "printenv.py --line preoutgoing.forbid 1"
   > EOF
   $ hg clone a zzz
-  preoutgoing hook: HG_HOOKNAME=preoutgoing HG_HOOKTYPE=preoutgoing HG_SOURCE=clone
-  preoutgoing.forbid hook: HG_HOOKNAME=preoutgoing.forbid HG_HOOKTYPE=preoutgoing HG_SOURCE=clone
+  preoutgoing hook: HG_HOOKNAME=preoutgoing
+  HG_HOOKTYPE=preoutgoing
+  HG_SOURCE=clone
+  
+  preoutgoing.forbid hook: HG_HOOKNAME=preoutgoing.forbid
+  HG_HOOKTYPE=preoutgoing
+  HG_SOURCE=clone
+  
   abort: preoutgoing.forbid hook exited with status 1
   [255]
 
@@ -780,10 +1183,16 @@ This also creates the `to` repo for the 
   $ cd ..
   $ cat << EOF >> hgrc-with-post-init-hook
   > [hooks]
-  > post-init = sh -c "printenv.py post-init"
+  > post-init = sh -c "printenv.py --line post-init"
   > EOF
   $ HGRCPATH=hgrc-with-post-init-hook hg init to
-  post-init hook: HG_ARGS=init to HG_HOOKNAME=post-init HG_HOOKTYPE=post-init HG_OPTS={'insecure': None, 'remotecmd': '', 'ssh': ''} HG_PATS=['to'] HG_RESULT=0
+  post-init hook: HG_ARGS=init to
+  HG_HOOKNAME=post-init
+  HG_HOOKTYPE=post-init
+  HG_OPTS={'insecure': None, 'remotecmd': '', 'ssh': ''}
+  HG_PATS=['to']
+  HG_RESULT=0
+  
 
 new commits must be visible in pretxnchangegroup (issue3428)