#!/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 ..