--- a/tests/test-hook.out
+++ b/tests/test-hook.out
@@ -1,28 +1,28 @@
 precommit hook: p1=0000000000000000000000000000000000000000 p2=
-pretxncommit hook: n=cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b p1=0000000000000000000000000000000000000000 p2=
-0:cb9a9f314b8b
-commit hook: n=cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b p1=0000000000000000000000000000000000000000 p2=
+pretxncommit hook: n=29b62aeb769fdf78d8d9c5f28b017f76d7ef824b p1=0000000000000000000000000000000000000000 p2=
+0:29b62aeb769f
+commit hook: n=29b62aeb769fdf78d8d9c5f28b017f76d7ef824b p1=0000000000000000000000000000000000000000 p2=
 commit hook b
-precommit hook: p1=cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b p2=
-pretxncommit hook: n=ab228980c14deea8b9555d91c9581127383e40fd p1=cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b p2=
-1:ab228980c14d
-commit hook: n=ab228980c14deea8b9555d91c9581127383e40fd p1=cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b p2=
+precommit hook: p1=29b62aeb769fdf78d8d9c5f28b017f76d7ef824b p2=
+pretxncommit hook: n=b702efe9688826e3a91283852b328b84dbf37bc2 p1=29b62aeb769fdf78d8d9c5f28b017f76d7ef824b p2=
+1:b702efe96888
+commit hook: n=b702efe9688826e3a91283852b328b84dbf37bc2 p1=29b62aeb769fdf78d8d9c5f28b017f76d7ef824b p2=
 commit hook b
-precommit hook: p1=cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b p2=
-pretxncommit hook: n=ee9deb46ab31e4cc3310f3cf0c3d668e4d8fffc2 p1=cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b p2=
-2:ee9deb46ab31
-commit hook: n=ee9deb46ab31e4cc3310f3cf0c3d668e4d8fffc2 p1=cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b p2=
+precommit hook: p1=29b62aeb769fdf78d8d9c5f28b017f76d7ef824b p2=
+pretxncommit hook: n=1324a5531bac09b329c3845d35ae6a7526874edb p1=29b62aeb769fdf78d8d9c5f28b017f76d7ef824b p2=
+2:1324a5531bac
+commit hook: n=1324a5531bac09b329c3845d35ae6a7526874edb p1=29b62aeb769fdf78d8d9c5f28b017f76d7ef824b p2=
 commit hook b
-precommit hook: p1=ee9deb46ab31e4cc3310f3cf0c3d668e4d8fffc2 p2=ab228980c14deea8b9555d91c9581127383e40fd
-pretxncommit hook: n=07f3376c1e655977439df2a814e3cc14b27abac2 p1=ee9deb46ab31e4cc3310f3cf0c3d668e4d8fffc2 p2=ab228980c14deea8b9555d91c9581127383e40fd
-3:07f3376c1e65
-commit hook: n=07f3376c1e655977439df2a814e3cc14b27abac2 p1=ee9deb46ab31e4cc3310f3cf0c3d668e4d8fffc2 p2=ab228980c14deea8b9555d91c9581127383e40fd
+precommit hook: p1=1324a5531bac09b329c3845d35ae6a7526874edb p2=b702efe9688826e3a91283852b328b84dbf37bc2
+pretxncommit hook: n=4c52fb2e402287dd5dc052090682536c8406c321 p1=1324a5531bac09b329c3845d35ae6a7526874edb p2=b702efe9688826e3a91283852b328b84dbf37bc2
+3:4c52fb2e4022
+commit hook: n=4c52fb2e402287dd5dc052090682536c8406c321 p1=1324a5531bac09b329c3845d35ae6a7526874edb p2=b702efe9688826e3a91283852b328b84dbf37bc2
 commit hook b
 prechangegroup hook
-changegroup hook: n=ab228980c14deea8b9555d91c9581127383e40fd
-incoming hook: n=ab228980c14deea8b9555d91c9581127383e40fd
-incoming hook: n=ee9deb46ab31e4cc3310f3cf0c3d668e4d8fffc2
-incoming hook: n=07f3376c1e655977439df2a814e3cc14b27abac2
+changegroup hook: n=b702efe9688826e3a91283852b328b84dbf37bc2
+incoming hook: n=b702efe9688826e3a91283852b328b84dbf37bc2
+incoming hook: n=1324a5531bac09b329c3845d35ae6a7526874edb
+incoming hook: n=4c52fb2e402287dd5dc052090682536c8406c321
 pulling from ../a
 searching for changes
 adding changesets
@@ -30,40 +30,40 @@ adding manifests
 adding file changes
 added 3 changesets with 2 changes to 2 files
 (run 'hg update' to get a working copy)
-pretag hook: t=a n=07f3376c1e655977439df2a814e3cc14b27abac2 l=0
-precommit hook: p1=07f3376c1e655977439df2a814e3cc14b27abac2 p2=
-pretxncommit hook: n=3cd2c6a5a36c5908aad3bc0d717c29873a05dfc2 p1=07f3376c1e655977439df2a814e3cc14b27abac2 p2=
-4:3cd2c6a5a36c
-commit hook: n=3cd2c6a5a36c5908aad3bc0d717c29873a05dfc2 p1=07f3376c1e655977439df2a814e3cc14b27abac2 p2=
+pretag hook: t=a n=4c52fb2e402287dd5dc052090682536c8406c321 l=0
+precommit hook: p1=4c52fb2e402287dd5dc052090682536c8406c321 p2=
+pretxncommit hook: n=4f92e785b90ae8995dfe156e39dd4fbc3b346a24 p1=4c52fb2e402287dd5dc052090682536c8406c321 p2=
+4:4f92e785b90a
+commit hook: n=4f92e785b90ae8995dfe156e39dd4fbc3b346a24 p1=4c52fb2e402287dd5dc052090682536c8406c321 p2=
 commit hook b
-tag hook: t=a n=07f3376c1e655977439df2a814e3cc14b27abac2 l=0
-pretag hook: t=la n=3cd2c6a5a36c5908aad3bc0d717c29873a05dfc2 l=1
-tag hook: t=la n=3cd2c6a5a36c5908aad3bc0d717c29873a05dfc2 l=1
-pretag hook: t=fa n=3cd2c6a5a36c5908aad3bc0d717c29873a05dfc2 l=0
+tag hook: t=a n=4c52fb2e402287dd5dc052090682536c8406c321 l=0
+pretag hook: t=la n=4f92e785b90ae8995dfe156e39dd4fbc3b346a24 l=1
+tag hook: t=la n=4f92e785b90ae8995dfe156e39dd4fbc3b346a24 l=1
+pretag hook: t=fa n=4f92e785b90ae8995dfe156e39dd4fbc3b346a24 l=0
 pretag.forbid hook
 abort: pretag.forbid hook exited with status 1
-pretag hook: t=fla n=3cd2c6a5a36c5908aad3bc0d717c29873a05dfc2 l=1
+pretag hook: t=fla n=4f92e785b90ae8995dfe156e39dd4fbc3b346a24 l=1
 pretag.forbid hook
 abort: pretag.forbid hook exited with status 1
-4:3cd2c6a5a36c
-precommit hook: p1=3cd2c6a5a36c5908aad3bc0d717c29873a05dfc2 p2=
-pretxncommit hook: n=469a61fe67d64df9a5023e4c2b8a0b85c61e9b69 p1=3cd2c6a5a36c5908aad3bc0d717c29873a05dfc2 p2=
-5:469a61fe67d6
-pretxncommit.forbid hook: tip=5:469a61fe67d6
+4:4f92e785b90a
+precommit hook: p1=4f92e785b90ae8995dfe156e39dd4fbc3b346a24 p2=
+pretxncommit hook: n=7792358308a2026661cea44f9d47c072813004cb p1=4f92e785b90ae8995dfe156e39dd4fbc3b346a24 p2=
+5:7792358308a2
+pretxncommit.forbid hook: tip=5:7792358308a2
 abort: pretxncommit.forbid hook exited with status 1
 transaction abort!
 rollback completed
-4:3cd2c6a5a36c
-precommit hook: p1=3cd2c6a5a36c5908aad3bc0d717c29873a05dfc2 p2=
+4:4f92e785b90a
+precommit hook: p1=4f92e785b90ae8995dfe156e39dd4fbc3b346a24 p2=
 precommit.forbid hook
 abort: precommit.forbid hook exited with status 1
-4:3cd2c6a5a36c
-3:07f3376c1e65
+4:4f92e785b90a
+3:4c52fb2e4022
 prechangegroup.forbid hook
 pulling from ../a
 searching for changes
 abort: prechangegroup.forbid hook exited with status 1
-pretxnchangegroup.forbid hook: tip=4:3cd2c6a5a36c
+pretxnchangegroup.forbid hook: tip=4:4f92e785b90a
 pulling from ../a
 searching for changes
 adding changesets
@@ -73,9 +73,9 @@ added 1 changesets with 1 changes to 1 f
 abort: pretxnchangegroup.forbid hook exited with status 1
 transaction abort!
 rollback completed
-3:07f3376c1e65
+3:4c52fb2e4022
 preoutgoing hook: s=pull
-outgoing hook: n=3cd2c6a5a36c5908aad3bc0d717c29873a05dfc2 s=pull
+outgoing hook: n=4f92e785b90ae8995dfe156e39dd4fbc3b346a24 s=pull
 pulling from ../a
 searching for changes
 adding changesets