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changeset 11807:887e9f487b7a

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tests: unify test-import
author Nicolas Dumazet <nicdumz.commits@gmail.com>
date Thu, 12 Aug 2010 22:54:41 +0900
parents fd66a181f575
children 3f6cf4cb3dca
files tests/test-import tests/test-import.out tests/test-import.t
diffstat 3 files changed, 916 insertions(+), 878 deletions(-) [+]
line wrap: on
line diff
--- a/tests/test-import	Tue Aug 10 13:21:28 2010 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,497 +0,0 @@
-#!/bin/sh
-
-hg init a
-mkdir a/d1
-mkdir a/d1/d2
-echo line 1 > a/a
-echo line 1 > a/d1/d2/a
-hg --cwd a ci -Ama
-
-echo line 2 >> a/a
-hg --cwd a ci -u someone -d '1 0' -m'second change'
-
-echo % import exported patch
-hg clone -r0 a b
-hg --cwd a export tip > tip.patch
-hg --cwd b import ../tip.patch
-echo % message should be same
-hg --cwd b tip | grep 'second change'
-echo % committer should be same
-hg --cwd b tip | grep someone
-rm -r b
-
-echo % import exported patch with external patcher
-cat > dummypatch.py <<EOF
-print 'patching file a'
-file('a', 'wb').write('line2\n')
-EOF
-chmod +x dummypatch.py
-hg clone -r0 a b
-hg --cwd a export tip > tip.patch
-hg --config ui.patch='python ../dummypatch.py' --cwd b import ../tip.patch
-cat b/a
-rm -r b
-
-echo % import of plain diff should fail without message
-hg clone -r0 a b
-hg --cwd a diff -r0:1 > tip.patch
-hg --cwd b import ../tip.patch
-rm -r b
-
-echo % import of plain diff should be ok with message
-hg clone -r0 a b
-hg --cwd a diff -r0:1 > tip.patch
-hg --cwd b import -mpatch ../tip.patch
-rm -r b
-
-echo % import of plain diff with specific date and user
-hg clone -r0 a b
-hg --cwd a diff -r0:1 > tip.patch
-hg --cwd b import -mpatch -d '1 0' -u 'user@nowhere.net' ../tip.patch
-hg -R b tip -pv
-rm -r b
-
-echo % import of plain diff should be ok with --no-commit
-hg clone -r0 a b
-hg --cwd a diff -r0:1 > tip.patch
-hg --cwd b import --no-commit ../tip.patch
-hg --cwd b diff --nodates
-rm -r b
-
-echo % hg -R repo import
-# put the clone in a subdir - having a directory named "a"
-# used to hide a bug.
-mkdir dir
-hg clone -r0 a dir/b
-hg --cwd a export tip > dir/tip.patch
-cd dir
-hg -R b import tip.patch
-cd ..
-rm -r dir
-
-echo % import from stdin
-hg clone -r0 a b
-hg --cwd a export tip | hg --cwd b import -
-rm -r b
-
-echo % import two patches in one stream
-hg init b
-hg --cwd a export 0:tip | hg --cwd b import -
-hg --cwd a id
-hg --cwd b id
-rm -r b
-
-echo % override commit message
-hg clone -r0 a b
-hg --cwd a export tip | hg --cwd b import -m 'override' -
-hg --cwd b tip | grep override
-rm -r b
-
-cat > mkmsg.py <<EOF
-import email.Message, sys
-msg = email.Message.Message()
-msg.set_payload('email commit message\n' + open('tip.patch', 'rb').read())
-msg['Subject'] = 'email patch'
-msg['From'] = 'email patcher'
-sys.stdout.write(msg.as_string())
-EOF
-
-echo % plain diff in email, subject, message body
-hg clone -r0 a b
-hg --cwd a diff -r0:1 > tip.patch
-python mkmsg.py > msg.patch
-hg --cwd b import ../msg.patch
-hg --cwd b tip | grep email
-rm -r b
-
-echo % plain diff in email, no subject, message body
-hg clone -r0 a b
-grep -v '^Subject:' msg.patch | hg --cwd b import -
-rm -r b
-
-echo % plain diff in email, subject, no message body
-hg clone -r0 a b
-grep -v '^email ' msg.patch | hg --cwd b import -
-rm -r b
-
-echo % plain diff in email, no subject, no message body, should fail
-hg clone -r0 a b
-egrep -v '^(Subject|email)' msg.patch | hg --cwd b import -
-rm -r b
-
-echo % hg export in email, should use patch header
-hg clone -r0 a b
-hg --cwd a export tip > tip.patch
-python mkmsg.py | hg --cwd b import -
-hg --cwd b tip | grep second
-rm -r b
-
-# subject: duplicate detection, removal of [PATCH]
-# The '---' tests the gitsendmail handling without proper mail headers
-cat > mkmsg2.py <<EOF
-import email.Message, sys
-msg = email.Message.Message()
-msg.set_payload('email patch\n\nnext line\n---\n' + open('tip.patch').read())
-msg['Subject'] = '[PATCH] email patch'
-msg['From'] = 'email patcher'
-sys.stdout.write(msg.as_string())
-EOF
-
-echo '% plain diff in email, [PATCH] subject, message body with subject'
-hg clone -r0 a b
-hg --cwd a diff -r0:1 > tip.patch
-python mkmsg2.py | hg --cwd b import -
-hg --cwd b tip --template '{desc}\n'
-rm -r b
-
-# We weren't backing up the correct dirstate file when importing many patches
-# (issue963)
-echo '% import patch1 patch2; rollback'
-echo line 3 >> a/a
-hg --cwd a ci -m'third change'
-hg --cwd a export -o '../patch%R' 1 2
-hg clone -qr0 a b
-hg --cwd b parents --template 'parent: {rev}\n'
-hg --cwd b import ../patch1 ../patch2
-hg --cwd b rollback
-hg --cwd b parents --template 'parent: {rev}\n'
-rm -r b
-
-# bug non regression test
-# importing a patch in a subdirectory failed at the commit stage
-echo line 2 >> a/d1/d2/a
-hg --cwd a ci -u someoneelse -d '1 0' -m'subdir change'
-echo % hg import in a subdirectory
-hg clone -r0 a b
-hg --cwd a export tip | sed -e 's/d1\/d2\///' > tip.patch
-dir=`pwd`
-cd b/d1/d2 2>&1 > /dev/null
-hg import  ../../../tip.patch
-cd "$dir"
-echo "% message should be 'subdir change'"
-hg --cwd b tip | grep 'subdir change'
-echo "% committer should be 'someoneelse'"
-hg --cwd b tip | grep someoneelse
-echo "% should be empty"
-hg --cwd b status
-
-
-# Test fuzziness (ambiguous patch location, fuzz=2)
-echo % test fuzziness
-hg init fuzzy
-cd fuzzy
-echo line1 > a
-echo line0 >> a
-echo line3 >> a
-hg ci -Am adda
-echo line1 > a
-echo line2 >> a
-echo line0 >> a
-echo line3 >> a
-hg ci -m change a
-hg export tip > tip.patch
-hg up -C 0
-echo line1 > a
-echo line0 >> a
-echo line1 >> a
-echo line0 >> a
-hg ci -m brancha
-hg import --no-commit -v tip.patch
-hg revert -a
-echo '% test fuzziness with eol=auto'
-hg --config patch.eol=auto import --no-commit -v tip.patch
-cd ..
-
-# Test hunk touching empty files (issue906)
-hg init empty
-cd empty
-touch a
-touch b1
-touch c1
-echo d > d
-hg ci -Am init
-echo a > a
-echo b > b1
-hg mv b1 b2
-echo c > c1
-hg copy c1 c2
-rm d
-touch d
-hg diff --git
-hg ci -m empty
-hg export --git tip > empty.diff
-hg up -C 0
-hg import empty.diff
-for name in a b1 b2 c1 c2 d;
-do
-    echo % $name file
-    test -f $name && cat $name
-done
-cd ..
-
-# Test importing a patch ending with a binary file removal
-echo % test trailing binary removal
-hg init binaryremoval
-cd binaryremoval
-echo a > a
-python -c "file('b', 'wb').write('a\x00b')"
-hg ci -Am addall
-hg rm a
-hg rm b
-hg st
-hg ci -m remove
-hg export --git . > remove.diff
-cat remove.diff | grep git
-hg up -C 0
-hg import remove.diff
-hg manifest
-cd ..
-
-echo % 'test update+rename with common name (issue 927)'
-hg init t
-cd t
-touch a
-hg ci -Am t
-echo a > a
-# Here, bfile.startswith(afile)
-hg copy a a2
-hg ci -m copya
-hg export --git tip > copy.diff
-hg up -C 0
-hg import copy.diff
-echo % view a
-# a should contain an 'a'
-cat a
-echo % view a2
-# and a2 should have duplicated it
-cat a2
-cd ..
-
-echo % 'test -p0'
-hg init p0
-cd p0
-echo a > a
-hg ci -Am t
-hg import -p0 - << EOF
-foobar
---- a	Sat Apr 12 22:43:58 2008 -0400
-+++ a	Sat Apr 12 22:44:05 2008 -0400
-@@ -1,1 +1,1 @@
--a
-+bb
-EOF
-hg status
-cat a
-cd ..
-
-echo % 'test paths outside repo root'
-mkdir outside
-touch outside/foo
-hg init inside
-cd inside
-hg import - <<EOF
-diff --git a/a b/b
-rename from ../outside/foo
-rename to bar
-EOF
-cd ..
-
-echo '% test import with similarity and git and strip (issue295 et al.)'
-hg init sim
-cd sim
-echo 'this is a test' > a
-hg ci -Ama
-cat > ../rename.diff <<EOF
-diff --git a/foo/a b/foo/a
-deleted file mode 100644
---- a/foo/a
-+++ /dev/null
-@@ -1,1 +0,0 @@
--this is a test
-diff --git a/foo/b b/foo/b
-new file mode 100644
---- /dev/null
-+++ b/foo/b
-@@ -0,0 +1,2 @@
-+this is a test
-+foo
-EOF
-hg import --no-commit -v -s 1 ../rename.diff -p2
-hg st -C
-hg revert -a
-rm b
-hg import --no-commit -v -s 100 ../rename.diff -p2
-hg st -C
-cd ..
-
-
-echo '% add empty file from the end of patch (issue 1495)'
-hg init addemptyend
-cd addemptyend
-touch a
-hg addremove
-hg ci -m "commit"
-cat > a.patch <<EOF
-diff --git a/a b/a
---- a/a
-+++ b/a
-@@ -0,0 +1,1 @@
-+a
-diff --git a/b b/b
-new file mode 100644
-EOF
-hg import --no-commit a.patch
-cd ..
-
-echo '% create file when source is not /dev/null'
-cat > create.patch <<EOF
-diff -Naur proj-orig/foo proj-new/foo
---- proj-orig/foo       1969-12-31 16:00:00.000000000 -0800
-+++ proj-new/foo        2009-07-17 16:50:45.801368000 -0700
-@@ -0,0 +1,1 @@
-+a
-EOF
-# some people have patches like the following too
-cat > create2.patch <<EOF
-diff -Naur proj-orig/foo proj-new/foo
---- proj-orig/foo.orig  1969-12-31 16:00:00.000000000 -0800
-+++ proj-new/foo        2009-07-17 16:50:45.801368000 -0700
-@@ -0,0 +1,1 @@
-+a
-EOF
-hg init oddcreate
-cd oddcreate
-hg import --no-commit ../create.patch
-cat foo
-rm foo
-hg revert foo
-hg import --no-commit ../create2.patch
-cat foo
-
-echo % 'first line mistaken for email headers (issue 1859)'
-hg init emailconfusion
-cd emailconfusion
-cat > a.patch <<EOF
-module: summary
-
-description
-
-
-diff -r 000000000000 -r 9b4c1e343b55 test.txt
---- /dev/null
-+++ b/a
-@@ -0,0 +1,1 @@
-+a
-EOF
-hg import -d '0 0' a.patch
-hg parents -v
-cd ..
-
-echo % '--- in commit message'
-hg init commitconfusion
-cd commitconfusion
-cat > a.patch <<EOF
-module: summary
-
---- description
-
-diff --git a/a b/a
-new file mode 100644
---- /dev/null
-+++ b/a
-@@ -0,0 +1,1 @@
-+a
-EOF
-hg import -d '0 0' a.patch
-hg parents -v
-cd ..
-
-echo '% tricky header splitting'
-cat > trickyheaders.patch <<EOF
-From: User A <user@a>
-Subject: [PATCH] from: tricky!
-
-# HG changeset patch
-# User User B
-# Date 1266264441 18000
-# Branch stable
-# Node ID f2be6a1170ac83bf31cb4ae0bad00d7678115bc0
-# Parent  0000000000000000000000000000000000000000
-from: tricky!
-
-That is not a header.
-
-diff -r 000000000000 -r f2be6a1170ac foo
---- /dev/null
-+++ b/foo
-@@ -0,0 +1,1 @@
-+foo
-EOF
-
-hg init trickyheaders
-cd trickyheaders
-hg import -d '0 0' ../trickyheaders.patch
-hg export --git tip
-cd ..
-
-echo '% issue2102'
-hg init issue2102
-cd issue2102
-mkdir -p src/cmd/gc
-touch src/cmd/gc/mksys.bash
-hg ci -Am init
-hg import - <<EOF
-# HG changeset patch
-# User Rob Pike
-# Date 1216685449 25200
-# Node ID 03aa2b206f499ad6eb50e6e207b9e710d6409c98
-# Parent  93d10138ad8df586827ca90b4ddb5033e21a3a84
-help management of empty pkg and lib directories in perforce
-
-R=gri
-DELTA=4  (4 added, 0 deleted, 0 changed)
-OCL=13328
-CL=13328
-
-diff --git a/lib/place-holder b/lib/place-holder
-new file mode 100644
---- /dev/null
-+++ b/lib/place-holder
-@@ -0,0 +1,2 @@
-+perforce does not maintain empty directories.
-+this file helps.
-diff --git a/pkg/place-holder b/pkg/place-holder
-new file mode 100644
---- /dev/null
-+++ b/pkg/place-holder
-@@ -0,0 +1,2 @@
-+perforce does not maintain empty directories.
-+this file helps.
-diff --git a/src/cmd/gc/mksys.bash b/src/cmd/gc/mksys.bash
-old mode 100644
-new mode 100755
-EOF
-hg sum
-hg diff --git -c tip
-cd ..
-
-echo '% diff lines looking like headers'
-hg init difflineslikeheaders
-cd difflineslikeheaders
-echo a >a
-echo b >b
-echo c >c
-hg ci -Am1
-
-echo "key: value" >>a
-echo "key: value" >>b
-echo "foo" >>c
-hg ci -m2
-
-hg up -C 0
-hg diff --git -c1 >want
-hg diff -c1 | hg import --no-commit -
-hg diff --git >have
-diff want have
-cd ..
-
--- a/tests/test-import.out	Tue Aug 10 13:21:28 2010 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,381 +0,0 @@
-adding a
-adding d1/d2/a
-% import exported patch
-requesting all changes
-adding changesets
-adding manifests
-adding file changes
-added 1 changesets with 2 changes to 2 files
-updating to branch default
-2 files updated, 0 files merged, 0 files removed, 0 files unresolved
-applying ../tip.patch
-% message should be same
-summary:     second change
-% committer should be same
-user:        someone
-% import exported patch with external patcher
-requesting all changes
-adding changesets
-adding manifests
-adding file changes
-added 1 changesets with 2 changes to 2 files
-updating to branch default
-2 files updated, 0 files merged, 0 files removed, 0 files unresolved
-applying ../tip.patch
-line2
-% import of plain diff should fail without message
-requesting all changes
-adding changesets
-adding manifests
-adding file changes
-added 1 changesets with 2 changes to 2 files
-updating to branch default
-2 files updated, 0 files merged, 0 files removed, 0 files unresolved
-applying ../tip.patch
-abort: empty commit message
-% import of plain diff should be ok with message
-requesting all changes
-adding changesets
-adding manifests
-adding file changes
-added 1 changesets with 2 changes to 2 files
-updating to branch default
-2 files updated, 0 files merged, 0 files removed, 0 files unresolved
-applying ../tip.patch
-% import of plain diff with specific date and user
-requesting all changes
-adding changesets
-adding manifests
-adding file changes
-added 1 changesets with 2 changes to 2 files
-updating to branch default
-2 files updated, 0 files merged, 0 files removed, 0 files unresolved
-applying ../tip.patch
-changeset:   1:ca68f19f3a40
-tag:         tip
-user:        user@nowhere.net
-date:        Thu Jan 01 00:00:01 1970 +0000
-files:       a
-description:
-patch
-
-
-diff -r 80971e65b431 -r ca68f19f3a40 a
---- a/a	Thu Jan 01 00:00:00 1970 +0000
-+++ b/a	Thu Jan 01 00:00:01 1970 +0000
-@@ -1,1 +1,2 @@
- line 1
-+line 2
-
-% import of plain diff should be ok with --no-commit
-requesting all changes
-adding changesets
-adding manifests
-adding file changes
-added 1 changesets with 2 changes to 2 files
-updating to branch default
-2 files updated, 0 files merged, 0 files removed, 0 files unresolved
-applying ../tip.patch
-diff -r 80971e65b431 a
---- a/a
-+++ b/a
-@@ -1,1 +1,2 @@
- line 1
-+line 2
-% hg -R repo import
-requesting all changes
-adding changesets
-adding manifests
-adding file changes
-added 1 changesets with 2 changes to 2 files
-updating to branch default
-2 files updated, 0 files merged, 0 files removed, 0 files unresolved
-applying tip.patch
-% import from stdin
-requesting all changes
-adding changesets
-adding manifests
-adding file changes
-added 1 changesets with 2 changes to 2 files
-updating to branch default
-2 files updated, 0 files merged, 0 files removed, 0 files unresolved
-applying patch from stdin
-% import two patches in one stream
-applying patch from stdin
-applied 80971e65b431
-1d4bd90af0e4 tip
-1d4bd90af0e4 tip
-% override commit message
-requesting all changes
-adding changesets
-adding manifests
-adding file changes
-added 1 changesets with 2 changes to 2 files
-updating to branch default
-2 files updated, 0 files merged, 0 files removed, 0 files unresolved
-applying patch from stdin
-summary:     override
-% plain diff in email, subject, message body
-requesting all changes
-adding changesets
-adding manifests
-adding file changes
-added 1 changesets with 2 changes to 2 files
-updating to branch default
-2 files updated, 0 files merged, 0 files removed, 0 files unresolved
-applying ../msg.patch
-user:        email patcher
-summary:     email patch
-% plain diff in email, no subject, message body
-requesting all changes
-adding changesets
-adding manifests
-adding file changes
-added 1 changesets with 2 changes to 2 files
-updating to branch default
-2 files updated, 0 files merged, 0 files removed, 0 files unresolved
-applying patch from stdin
-% plain diff in email, subject, no message body
-requesting all changes
-adding changesets
-adding manifests
-adding file changes
-added 1 changesets with 2 changes to 2 files
-updating to branch default
-2 files updated, 0 files merged, 0 files removed, 0 files unresolved
-applying patch from stdin
-% plain diff in email, no subject, no message body, should fail
-requesting all changes
-adding changesets
-adding manifests
-adding file changes
-added 1 changesets with 2 changes to 2 files
-updating to branch default
-2 files updated, 0 files merged, 0 files removed, 0 files unresolved
-applying patch from stdin
-abort: empty commit message
-% hg export in email, should use patch header
-requesting all changes
-adding changesets
-adding manifests
-adding file changes
-added 1 changesets with 2 changes to 2 files
-updating to branch default
-2 files updated, 0 files merged, 0 files removed, 0 files unresolved
-applying patch from stdin
-summary:     second change
-% plain diff in email, [PATCH] subject, message body with subject
-requesting all changes
-adding changesets
-adding manifests
-adding file changes
-added 1 changesets with 2 changes to 2 files
-updating to branch default
-2 files updated, 0 files merged, 0 files removed, 0 files unresolved
-applying patch from stdin
-email patch
-
-next line
----
-% import patch1 patch2; rollback
-parent: 0
-applying ../patch1
-applying ../patch2
-applied 1d4bd90af0e4
-rolling back to revision 1 (undo commit)
-parent: 1
-% hg import in a subdirectory
-requesting all changes
-adding changesets
-adding manifests
-adding file changes
-added 1 changesets with 2 changes to 2 files
-updating to branch default
-2 files updated, 0 files merged, 0 files removed, 0 files unresolved
-applying ../../../tip.patch
-% message should be 'subdir change'
-summary:     subdir change
-% committer should be 'someoneelse'
-user:        someoneelse
-% should be empty
-% test fuzziness
-adding a
-1 files updated, 0 files merged, 0 files removed, 0 files unresolved
-created new head
-applying tip.patch
-patching file a
-Hunk #1 succeeded at 1 with fuzz 2 (offset -2 lines).
-reverting a
-% test fuzziness with eol=auto
-applying tip.patch
-patching file a
-Hunk #1 succeeded at 1 with fuzz 2 (offset -2 lines).
-adding a
-adding b1
-adding c1
-adding d
-diff --git a/a b/a
---- a/a
-+++ b/a
-@@ -0,0 +1,1 @@
-+a
-diff --git a/b1 b/b2
-rename from b1
-rename to b2
---- a/b1
-+++ b/b2
-@@ -0,0 +1,1 @@
-+b
-diff --git a/c1 b/c1
---- a/c1
-+++ b/c1
-@@ -0,0 +1,1 @@
-+c
-diff --git a/c1 b/c2
-copy from c1
-copy to c2
---- a/c1
-+++ b/c2
-@@ -0,0 +1,1 @@
-+c
-diff --git a/d b/d
---- a/d
-+++ b/d
-@@ -1,1 +0,0 @@
--d
-4 files updated, 0 files merged, 2 files removed, 0 files unresolved
-applying empty.diff
-% a file
-a
-% b1 file
-% b2 file
-b
-% c1 file
-c
-% c2 file
-c
-% d file
-% test trailing binary removal
-adding a
-adding b
-R a
-R b
-diff --git a/a b/a
-diff --git a/b b/b
-2 files updated, 0 files merged, 0 files removed, 0 files unresolved
-applying remove.diff
-% test update+rename with common name (issue 927)
-adding a
-1 files updated, 0 files merged, 1 files removed, 0 files unresolved
-applying copy.diff
-% view a
-a
-% view a2
-a
-% test -p0
-adding a
-applying patch from stdin
-bb
-% test paths outside repo root
-applying patch from stdin
-abort: ../outside/foo not under root
-% test import with similarity and git and strip (issue295 et al.)
-adding a
-applying ../rename.diff
-patching file a
-patching file b
-removing a
-adding b
-recording removal of a as rename to b (88% similar)
-A b
-  a
-R a
-undeleting a
-forgetting b
-applying ../rename.diff
-patching file a
-patching file b
-removing a
-adding b
-A b
-R a
-% add empty file from the end of patch (issue 1495)
-adding a
-applying a.patch
-% create file when source is not /dev/null
-applying ../create.patch
-a
-applying ../create2.patch
-a
-% first line mistaken for email headers (issue 1859)
-applying a.patch
-changeset:   0:5a681217c0ad
-tag:         tip
-user:        test
-date:        Thu Jan 01 00:00:00 1970 +0000
-files:       a
-description:
-module: summary
-
-description
-
-
-% --- in commit message
-applying a.patch
-changeset:   0:f34d9187897d
-tag:         tip
-user:        test
-date:        Thu Jan 01 00:00:00 1970 +0000
-files:       a
-description:
-module: summary
-
-
-% tricky header splitting
-applying ../trickyheaders.patch
-# HG changeset patch
-# User User B
-# Date 0 0
-# Node ID eb56ab91903632294ac504838508cb370c0901d2
-# Parent  0000000000000000000000000000000000000000
-from: tricky!
-
-That is not a header.
-
-diff --git a/foo b/foo
-new file mode 100644
---- /dev/null
-+++ b/foo
-@@ -0,0 +1,1 @@
-+foo
-% issue2102
-adding src/cmd/gc/mksys.bash
-applying patch from stdin
-parent: 1:d59915696727 tip
- help management of empty pkg and lib directories in perforce
-branch: default
-commit: (clean)
-update: (current)
-diff --git a/lib/place-holder b/lib/place-holder
-new file mode 100644
---- /dev/null
-+++ b/lib/place-holder
-@@ -0,0 +1,2 @@
-+perforce does not maintain empty directories.
-+this file helps.
-diff --git a/pkg/place-holder b/pkg/place-holder
-new file mode 100644
---- /dev/null
-+++ b/pkg/place-holder
-@@ -0,0 +1,2 @@
-+perforce does not maintain empty directories.
-+this file helps.
-diff --git a/src/cmd/gc/mksys.bash b/src/cmd/gc/mksys.bash
-old mode 100644
-new mode 100755
-% diff lines looking like headers
-adding a
-adding b
-adding c
-3 files updated, 0 files merged, 0 files removed, 0 files unresolved
-applying patch from stdin
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/test-import.t	Thu Aug 12 22:54:41 2010 +0900
@@ -0,0 +1,916 @@
+  $ hg init a
+  $ mkdir a/d1
+  $ mkdir a/d1/d2
+  $ echo line 1 > a/a
+  $ echo line 1 > a/d1/d2/a
+  $ hg --cwd a ci -Ama
+  adding a
+  adding d1/d2/a
+
+  $ echo line 2 >> a/a
+  $ hg --cwd a ci -u someone -d '1 0' -m'second change'
+
+
+import exported patch
+
+  $ hg clone -r0 a b
+  requesting all changes
+  adding changesets
+  adding manifests
+  adding file changes
+  added 1 changesets with 2 changes to 2 files
+  updating to branch default
+  2 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  $ hg --cwd a export tip > tip.patch
+  $ hg --cwd b import ../tip.patch
+  applying ../tip.patch
+
+message should be same
+
+  $ hg --cwd b tip | grep 'second change'
+  summary:     second change
+
+committer should be same
+
+  $ hg --cwd b tip | grep someone
+  user:        someone
+  $ rm -r b
+
+
+import exported patch with external patcher
+
+  $ cat > dummypatch.py <<EOF
+  > print 'patching file a'
+  > file('a', 'wb').write('line2\n')
+  > EOF
+  $ chmod +x dummypatch.py
+  $ hg clone -r0 a b
+  requesting all changes
+  adding changesets
+  adding manifests
+  adding file changes
+  added 1 changesets with 2 changes to 2 files
+  updating to branch default
+  2 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  $ hg --cwd a export tip > tip.patch
+  $ hg --config ui.patch='python ../dummypatch.py' --cwd b import ../tip.patch
+  applying ../tip.patch
+  $ cat b/a
+  line2
+  $ rm -r b
+
+
+import of plain diff should fail without message
+
+  $ hg clone -r0 a b
+  requesting all changes
+  adding changesets
+  adding manifests
+  adding file changes
+  added 1 changesets with 2 changes to 2 files
+  updating to branch default
+  2 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  $ hg --cwd a diff -r0:1 > tip.patch
+  $ hg --cwd b import ../tip.patch
+  applying ../tip.patch
+  abort: empty commit message
+  $ rm -r b
+
+
+import of plain diff should be ok with message
+
+  $ hg clone -r0 a b
+  requesting all changes
+  adding changesets
+  adding manifests
+  adding file changes
+  added 1 changesets with 2 changes to 2 files
+  updating to branch default
+  2 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  $ hg --cwd a diff -r0:1 > tip.patch
+  $ hg --cwd b import -mpatch ../tip.patch
+  applying ../tip.patch
+  $ rm -r b
+
+
+import of plain diff with specific date and user
+
+  $ hg clone -r0 a b
+  requesting all changes
+  adding changesets
+  adding manifests
+  adding file changes
+  added 1 changesets with 2 changes to 2 files
+  updating to branch default
+  2 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  $ hg --cwd a diff -r0:1 > tip.patch
+  $ hg --cwd b import -mpatch -d '1 0' -u 'user@nowhere.net' ../tip.patch
+  applying ../tip.patch
+  $ hg -R b tip -pv
+  changeset:   1:ca68f19f3a40
+  tag:         tip
+  user:        user@nowhere.net
+  date:        Thu Jan 01 00:00:01 1970 +0000
+  files:       a
+  description:
+  patch
+  
+  
+  diff -r 80971e65b431 -r ca68f19f3a40 a
+  --- a/a	Thu Jan 01 00:00:00 1970 +0000
+  +++ b/a	Thu Jan 01 00:00:01 1970 +0000
+  @@ -1,1 +1,2 @@
+   line 1
+  +line 2
+  
+  $ rm -r b
+
+
+import of plain diff should be ok with --no-commit
+
+  $ hg clone -r0 a b
+  requesting all changes
+  adding changesets
+  adding manifests
+  adding file changes
+  added 1 changesets with 2 changes to 2 files
+  updating to branch default
+  2 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  $ hg --cwd a diff -r0:1 > tip.patch
+  $ hg --cwd b import --no-commit ../tip.patch
+  applying ../tip.patch
+  $ hg --cwd b diff --nodates
+  diff -r 80971e65b431 a
+  --- a/a
+  +++ b/a
+  @@ -1,1 +1,2 @@
+   line 1
+  +line 2
+  $ rm -r b
+
+
+hg -R repo import
+put the clone in a subdir - having a directory named "a"
+used to hide a bug.
+
+  $ mkdir dir
+  $ hg clone -r0 a dir/b
+  requesting all changes
+  adding changesets
+  adding manifests
+  adding file changes
+  added 1 changesets with 2 changes to 2 files
+  updating to branch default
+  2 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  $ hg --cwd a export tip > dir/tip.patch
+  $ cd dir
+  $ hg -R b import tip.patch
+  applying tip.patch
+  $ cd ..
+  $ rm -r dir
+
+
+import from stdin
+
+  $ hg clone -r0 a b
+  requesting all changes
+  adding changesets
+  adding manifests
+  adding file changes
+  added 1 changesets with 2 changes to 2 files
+  updating to branch default
+  2 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  $ hg --cwd a export tip | hg --cwd b import -
+  applying patch from stdin
+  $ rm -r b
+
+
+import two patches in one stream
+
+  $ hg init b
+  $ hg --cwd a export 0:tip | hg --cwd b import -
+  applying patch from stdin
+  applied 80971e65b431
+  $ hg --cwd a id
+  1d4bd90af0e4 tip
+  $ hg --cwd b id
+  1d4bd90af0e4 tip
+  $ rm -r b
+
+
+override commit message
+
+  $ hg clone -r0 a b
+  requesting all changes
+  adding changesets
+  adding manifests
+  adding file changes
+  added 1 changesets with 2 changes to 2 files
+  updating to branch default
+  2 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  $ hg --cwd a export tip | hg --cwd b import -m 'override' -
+  applying patch from stdin
+  $ hg --cwd b tip | grep override
+  summary:     override
+  $ rm -r b
+
+  $ cat > mkmsg.py <<EOF
+  > import email.Message, sys
+  > msg = email.Message.Message()
+  > msg.set_payload('email commit message\n' + open('tip.patch', 'rb').read())
+  > msg['Subject'] = 'email patch'
+  > msg['From'] = 'email patcher'
+  > sys.stdout.write(msg.as_string())
+  > EOF
+
+
+plain diff in email, subject, message body
+
+  $ hg clone -r0 a b
+  requesting all changes
+  adding changesets
+  adding manifests
+  adding file changes
+  added 1 changesets with 2 changes to 2 files
+  updating to branch default
+  2 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  $ hg --cwd a diff -r0:1 > tip.patch
+  $ python mkmsg.py > msg.patch
+  $ hg --cwd b import ../msg.patch
+  applying ../msg.patch
+  $ hg --cwd b tip | grep email
+  user:        email patcher
+  summary:     email patch
+  $ rm -r b
+
+
+plain diff in email, no subject, message body
+
+  $ hg clone -r0 a b
+  requesting all changes
+  adding changesets
+  adding manifests
+  adding file changes
+  added 1 changesets with 2 changes to 2 files
+  updating to branch default
+  2 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  $ grep -v '^Subject:' msg.patch | hg --cwd b import -
+  applying patch from stdin
+  $ rm -r b
+
+
+plain diff in email, subject, no message body
+
+  $ hg clone -r0 a b
+  requesting all changes
+  adding changesets
+  adding manifests
+  adding file changes
+  added 1 changesets with 2 changes to 2 files
+  updating to branch default
+  2 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  $ grep -v '^email ' msg.patch | hg --cwd b import -
+  applying patch from stdin
+  $ rm -r b
+
+
+plain diff in email, no subject, no message body, should fail
+
+  $ hg clone -r0 a b
+  requesting all changes
+  adding changesets
+  adding manifests
+  adding file changes
+  added 1 changesets with 2 changes to 2 files
+  updating to branch default
+  2 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  $ egrep -v '^(Subject|email)' msg.patch | hg --cwd b import -
+  applying patch from stdin
+  abort: empty commit message
+  $ rm -r b
+
+
+hg export in email, should use patch header
+
+  $ hg clone -r0 a b
+  requesting all changes
+  adding changesets
+  adding manifests
+  adding file changes
+  added 1 changesets with 2 changes to 2 files
+  updating to branch default
+  2 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  $ hg --cwd a export tip > tip.patch
+  $ python mkmsg.py | hg --cwd b import -
+  applying patch from stdin
+  $ hg --cwd b tip | grep second
+  summary:     second change
+  $ rm -r b
+
+
+subject: duplicate detection, removal of [PATCH]
+The '---' tests the gitsendmail handling without proper mail headers
+
+  $ cat > mkmsg2.py <<EOF
+  > import email.Message, sys
+  > msg = email.Message.Message()
+  > msg.set_payload('email patch\n\nnext line\n---\n' + open('tip.patch').read())
+  > msg['Subject'] = '[PATCH] email patch'
+  > msg['From'] = 'email patcher'
+  > sys.stdout.write(msg.as_string())
+  > EOF
+
+
+plain diff in email, [PATCH] subject, message body with subject
+
+  $ hg clone -r0 a b
+  requesting all changes
+  adding changesets
+  adding manifests
+  adding file changes
+  added 1 changesets with 2 changes to 2 files
+  updating to branch default
+  2 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  $ hg --cwd a diff -r0:1 > tip.patch
+  $ python mkmsg2.py | hg --cwd b import -
+  applying patch from stdin
+  $ hg --cwd b tip --template '{desc}\n'
+  email patch
+  
+  next line
+  ---
+  $ rm -r b
+
+
+We weren't backing up the correct dirstate file when importing many patches
+(issue963)
+import patch1 patch2; rollback
+
+  $ echo line 3 >> a/a
+  $ hg --cwd a ci -m'third change'
+  $ hg --cwd a export -o '../patch%R' 1 2
+  $ hg clone -qr0 a b
+  $ hg --cwd b parents --template 'parent: {rev}\n'
+  parent: 0
+  $ hg --cwd b import ../patch1 ../patch2
+  applying ../patch1
+  applying ../patch2
+  applied 1d4bd90af0e4
+  $ hg --cwd b rollback
+  rolling back to revision 1 (undo commit)
+  $ hg --cwd b parents --template 'parent: {rev}\n'
+  parent: 1
+  $ rm -r b
+
+
+importing a patch in a subdirectory failed at the commit stage
+
+  $ echo line 2 >> a/d1/d2/a
+  $ hg --cwd a ci -u someoneelse -d '1 0' -m'subdir change'
+
+hg import in a subdirectory
+
+  $ hg clone -r0 a b
+  requesting all changes
+  adding changesets
+  adding manifests
+  adding file changes
+  added 1 changesets with 2 changes to 2 files
+  updating to branch default
+  2 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  $ hg --cwd a export tip | sed -e 's/d1\/d2\///' > tip.patch
+  $ dir=`pwd`
+  $ cd b/d1/d2 2>&1 > /dev/null
+  $ hg import  ../../../tip.patch
+  applying ../../../tip.patch
+  $ cd "$dir"
+
+message should be 'subdir change'
+
+  $ hg --cwd b tip | grep 'subdir change'
+  summary:     subdir change
+
+committer should be 'someoneelse'
+
+  $ hg --cwd b tip | grep someoneelse
+  user:        someoneelse
+
+should be empty
+
+  $ hg --cwd b status
+
+
+Test fuzziness (ambiguous patch location, fuzz=2)
+
+  $ hg init fuzzy
+  $ cd fuzzy
+  $ echo line1 > a
+  $ echo line0 >> a
+  $ echo line3 >> a
+  $ hg ci -Am adda
+  adding a
+  $ echo line1 > a
+  $ echo line2 >> a
+  $ echo line0 >> a
+  $ echo line3 >> a
+  $ hg ci -m change a
+  $ hg export tip > tip.patch
+  $ hg up -C 0
+  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  $ echo line1 > a
+  $ echo line0 >> a
+  $ echo line1 >> a
+  $ echo line0 >> a
+  $ hg ci -m brancha
+  created new head
+  $ hg import --no-commit -v tip.patch
+  applying tip.patch
+  patching file a
+  Hunk #1 succeeded at 1 with fuzz 2 (offset -2 lines).
+  $ hg revert -a
+  reverting a
+
+test fuzziness with eol=auto
+
+  $ hg --config patch.eol=auto import --no-commit -v tip.patch
+  applying tip.patch
+  patching file a
+  Hunk #1 succeeded at 1 with fuzz 2 (offset -2 lines).
+  $ cd ..
+
+
+Test hunk touching empty files (issue906)
+
+  $ hg init empty
+  $ cd empty
+  $ touch a
+  $ touch b1
+  $ touch c1
+  $ echo d > d
+  $ hg ci -Am init
+  adding a
+  adding b1
+  adding c1
+  adding d
+  $ echo a > a
+  $ echo b > b1
+  $ hg mv b1 b2
+  $ echo c > c1
+  $ hg copy c1 c2
+  $ rm d
+  $ touch d
+  $ hg diff --git
+  diff --git a/a b/a
+  --- a/a
+  +++ b/a
+  @@ -0,0 +1,1 @@
+  +a
+  diff --git a/b1 b/b2
+  rename from b1
+  rename to b2
+  --- a/b1
+  +++ b/b2
+  @@ -0,0 +1,1 @@
+  +b
+  diff --git a/c1 b/c1
+  --- a/c1
+  +++ b/c1
+  @@ -0,0 +1,1 @@
+  +c
+  diff --git a/c1 b/c2
+  copy from c1
+  copy to c2
+  --- a/c1
+  +++ b/c2
+  @@ -0,0 +1,1 @@
+  +c
+  diff --git a/d b/d
+  --- a/d
+  +++ b/d
+  @@ -1,1 +0,0 @@
+  -d
+  $ hg ci -m empty
+  $ hg export --git tip > empty.diff
+  $ hg up -C 0
+  4 files updated, 0 files merged, 2 files removed, 0 files unresolved
+  $ hg import empty.diff
+  applying empty.diff
+  $ for name in a b1 b2 c1 c2 d; do
+  >   echo % $name file
+  >   test -f $name && cat $name
+  >   done
+  % a file
+  a
+  % b1 file
+  % b2 file
+  b
+  % c1 file
+  c
+  % c2 file
+  c
+  % d file
+  $ cd ..
+
+
+Test importing a patch ending with a binary file removal
+
+  $ hg init binaryremoval
+  $ cd binaryremoval
+  $ echo a > a
+  $ python -c "file('b', 'wb').write('a\x00b')"
+  $ hg ci -Am addall
+  adding a
+  adding b
+  $ hg rm a
+  $ hg rm b
+  $ hg st
+  R a
+  R b
+  $ hg ci -m remove
+  $ hg export --git . > remove.diff
+  $ cat remove.diff | grep git
+  diff --git a/a b/a
+  diff --git a/b b/b
+  $ hg up -C 0
+  2 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  $ hg import remove.diff
+  applying remove.diff
+  $ hg manifest
+  $ cd ..
+
+
+test update+rename with common name (issue 927)
+
+  $ hg init t
+  $ cd t
+  $ touch a
+  $ hg ci -Am t
+  adding a
+  $ echo a > a
+
+Here, bfile.startswith(afile)
+
+  $ hg copy a a2
+  $ hg ci -m copya
+  $ hg export --git tip > copy.diff
+  $ hg up -C 0
+  1 files updated, 0 files merged, 1 files removed, 0 files unresolved
+  $ hg import copy.diff
+  applying copy.diff
+
+a should contain an 'a'
+
+  $ cat a
+  a
+
+and a2 should have duplicated it
+
+  $ cat a2
+  a
+  $ cd ..
+
+
+test -p0
+
+  $ hg init p0
+  $ cd p0
+  $ echo a > a
+  $ hg ci -Am t
+  adding a
+  $ hg import -p0 - << EOF
+  > foobar
+  > --- a	Sat Apr 12 22:43:58 2008 -0400
+  > +++ a	Sat Apr 12 22:44:05 2008 -0400
+  > @@ -1,1 +1,1 @@
+  > -a
+  > +bb
+  > EOF
+  applying patch from stdin
+  $ hg status
+  $ cat a
+  bb
+  $ cd ..
+
+
+test paths outside repo root
+
+  $ mkdir outside
+  $ touch outside/foo
+  $ hg init inside
+  $ cd inside
+  $ hg import - <<EOF
+  > diff --git a/a b/b
+  > rename from ../outside/foo
+  > rename to bar
+  > EOF
+  applying patch from stdin
+  abort: ../outside/foo not under root
+  $ cd ..
+
+
+test import with similarity and git and strip (issue295 et al.)
+
+  $ hg init sim
+  $ cd sim
+  $ echo 'this is a test' > a
+  $ hg ci -Ama
+  adding a
+  $ cat > ../rename.diff <<EOF
+  > diff --git a/foo/a b/foo/a
+  > deleted file mode 100644
+  > --- a/foo/a
+  > +++ /dev/null
+  > @@ -1,1 +0,0 @@
+  > -this is a test
+  > diff --git a/foo/b b/foo/b
+  > new file mode 100644
+  > --- /dev/null
+  > +++ b/foo/b
+  > @@ -0,0 +1,2 @@
+  > +this is a test
+  > +foo
+  > EOF
+  $ hg import --no-commit -v -s 1 ../rename.diff -p2
+  applying ../rename.diff
+  patching file a
+  patching file b
+  removing a
+  adding b
+  recording removal of a as rename to b (88% similar)
+  $ hg st -C
+  A b
+    a
+  R a
+  $ hg revert -a
+  undeleting a
+  forgetting b
+  $ rm b
+  $ hg import --no-commit -v -s 100 ../rename.diff -p2
+  applying ../rename.diff
+  patching file a
+  patching file b
+  removing a
+  adding b
+  $ hg st -C
+  A b
+  R a
+  $ cd ..
+
+
+add empty file from the end of patch (issue 1495)
+
+  $ hg init addemptyend
+  $ cd addemptyend
+  $ touch a
+  $ hg addremove
+  adding a
+  $ hg ci -m "commit"
+  $ cat > a.patch <<EOF
+  > diff --git a/a b/a
+  > --- a/a
+  > +++ b/a
+  > @@ -0,0 +1,1 @@
+  > +a
+  > diff --git a/b b/b
+  > new file mode 100644
+  > EOF
+  $ hg import --no-commit a.patch
+  applying a.patch
+  $ cd ..
+
+
+create file when source is not /dev/null
+
+  $ cat > create.patch <<EOF
+  > diff -Naur proj-orig/foo proj-new/foo
+  > --- proj-orig/foo       1969-12-31 16:00:00.000000000 -0800
+  > +++ proj-new/foo        2009-07-17 16:50:45.801368000 -0700
+  > @@ -0,0 +1,1 @@
+  > +a
+  > EOF
+
+some people have patches like the following too
+
+  $ cat > create2.patch <<EOF
+  > diff -Naur proj-orig/foo proj-new/foo
+  > --- proj-orig/foo.orig  1969-12-31 16:00:00.000000000 -0800
+  > +++ proj-new/foo        2009-07-17 16:50:45.801368000 -0700
+  > @@ -0,0 +1,1 @@
+  > +a
+  > EOF
+  $ hg init oddcreate
+  $ cd oddcreate
+  $ hg import --no-commit ../create.patch
+  applying ../create.patch
+  $ cat foo
+  a
+  $ rm foo
+  $ hg revert foo
+  $ hg import --no-commit ../create2.patch
+  applying ../create2.patch
+  $ cat foo
+  a
+
+
+first line mistaken for email headers (issue 1859)
+
+  $ hg init emailconfusion
+  $ cd emailconfusion
+  $ cat > a.patch <<EOF
+  > module: summary
+  > 
+  > description
+  > 
+  > 
+  > diff -r 000000000000 -r 9b4c1e343b55 test.txt
+  > --- /dev/null
+  > +++ b/a
+  > @@ -0,0 +1,1 @@
+  > +a
+  > EOF
+  $ hg import -d '0 0' a.patch
+  applying a.patch
+  $ hg parents -v
+  changeset:   0:5a681217c0ad
+  tag:         tip
+  user:        test
+  date:        Thu Jan 01 00:00:00 1970 +0000
+  files:       a
+  description:
+  module: summary
+  
+  description
+  
+  
+  $ cd ..
+
+
+--- in commit message
+
+  $ hg init commitconfusion
+  $ cd commitconfusion
+  $ cat > a.patch <<EOF
+  > module: summary
+  > 
+  > --- description
+  > 
+  > diff --git a/a b/a
+  > new file mode 100644
+  > --- /dev/null
+  > +++ b/a
+  > @@ -0,0 +1,1 @@
+  > +a
+  > EOF
+  > hg import -d '0 0' a.patch
+  > hg parents -v
+  > cd ..
+  > 
+  > echo '% tricky header splitting'
+  > cat > trickyheaders.patch <<EOF
+  > From: User A <user@a>
+  > Subject: [PATCH] from: tricky!
+  > 
+  > # HG changeset patch
+  > # User User B
+  > # Date 1266264441 18000
+  > # Branch stable
+  > # Node ID f2be6a1170ac83bf31cb4ae0bad00d7678115bc0
+  > # Parent  0000000000000000000000000000000000000000
+  > from: tricky!
+  > 
+  > That is not a header.
+  > 
+  > diff -r 000000000000 -r f2be6a1170ac foo
+  > --- /dev/null
+  > +++ b/foo
+  > @@ -0,0 +1,1 @@
+  > +foo
+  > EOF
+  applying a.patch
+  changeset:   0:f34d9187897d
+  tag:         tip
+  user:        test
+  date:        Thu Jan 01 00:00:00 1970 +0000
+  files:       a
+  description:
+  module: summary
+  
+  
+  % tricky header splitting
+
+  $ hg init trickyheaders
+  $ cd trickyheaders
+  $ hg import -d '0 0' ../trickyheaders.patch
+  applying ../trickyheaders.patch
+  $ hg export --git tip
+  # HG changeset patch
+  # User User B
+  # Date 0 0
+  # Node ID eb56ab91903632294ac504838508cb370c0901d2
+  # Parent  0000000000000000000000000000000000000000
+  from: tricky!
+  
+  That is not a header.
+  
+  diff --git a/foo b/foo
+  new file mode 100644
+  --- /dev/null
+  +++ b/foo
+  @@ -0,0 +1,1 @@
+  +foo
+  $ cd ..
+
+
+issue2102
+
+  $ hg init issue2102
+  $ cd issue2102
+  $ mkdir -p src/cmd/gc
+  $ touch src/cmd/gc/mksys.bash
+  $ hg ci -Am init
+  adding src/cmd/gc/mksys.bash
+  $ hg import - <<EOF
+  > # HG changeset patch
+  > # User Rob Pike
+  > # Date 1216685449 25200
+  > # Node ID 03aa2b206f499ad6eb50e6e207b9e710d6409c98
+  > # Parent  93d10138ad8df586827ca90b4ddb5033e21a3a84
+  > help management of empty pkg and lib directories in perforce
+  > 
+  > R=gri
+  > DELTA=4  (4 added, 0 deleted, 0 changed)
+  > OCL=13328
+  > CL=13328
+  > 
+  > diff --git a/lib/place-holder b/lib/place-holder
+  > new file mode 100644
+  > --- /dev/null
+  > +++ b/lib/place-holder
+  > @@ -0,0 +1,2 @@
+  > +perforce does not maintain empty directories.
+  > +this file helps.
+  > diff --git a/pkg/place-holder b/pkg/place-holder
+  > new file mode 100644
+  > --- /dev/null
+  > +++ b/pkg/place-holder
+  > @@ -0,0 +1,2 @@
+  > +perforce does not maintain empty directories.
+  > +this file helps.
+  > diff --git a/src/cmd/gc/mksys.bash b/src/cmd/gc/mksys.bash
+  > old mode 100644
+  > new mode 100755
+  > EOF
+  applying patch from stdin
+  $ hg sum
+  parent: 1:d59915696727 tip
+   help management of empty pkg and lib directories in perforce
+  branch: default
+  commit: (clean)
+  update: (current)
+  $ hg diff --git -c tip
+  diff --git a/lib/place-holder b/lib/place-holder
+  new file mode 100644
+  --- /dev/null
+  +++ b/lib/place-holder
+  @@ -0,0 +1,2 @@
+  +perforce does not maintain empty directories.
+  +this file helps.
+  diff --git a/pkg/place-holder b/pkg/place-holder
+  new file mode 100644
+  --- /dev/null
+  +++ b/pkg/place-holder
+  @@ -0,0 +1,2 @@
+  +perforce does not maintain empty directories.
+  +this file helps.
+  diff --git a/src/cmd/gc/mksys.bash b/src/cmd/gc/mksys.bash
+  old mode 100644
+  new mode 100755
+  $ cd ..
+
+
+diff lines looking like headers
+
+  $ hg init difflineslikeheaders
+  $ cd difflineslikeheaders
+  $ echo a >a
+  $ echo b >b
+  $ echo c >c
+  $ hg ci -Am1
+  adding a
+  adding b
+  adding c
+
+  $ echo "key: value" >>a
+  $ echo "key: value" >>b
+  $ echo "foo" >>c
+  $ hg ci -m2
+
+  $ hg up -C 0
+  3 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  $ hg diff --git -c1 >want
+  $ hg diff -c1 | hg import --no-commit -
+  applying patch from stdin
+  $ hg diff --git >have
+  $ diff want have
+  $ cd ..
+