view tests/test-import-eol @ 10102:1720d70cd6d4

patch: implement patch.eol=auto mode

EOLs in patched files are restored to their original value after
patching. We use the first EOL found in the file, files with
inconsistent EOLs will thus be normalized during this process.

#!/bin/sh

cat > makepatch.py <<EOF
f = file('eol.diff', 'wb')
w = f.write
w('test message\n')
w('diff --git a/a b/a\n')
w('--- a/a\n')
w('+++ b/a\n')
w('@@ -1,5 +1,5 @@\n')
w(' a\n')
w('-bbb\r\n')
w('+yyyy\r\n')
w(' cc\r\n')
w(' \n')
w(' d\n')
w('-e\n')
w('\ No newline at end of file\n')
w('+z\r\n')
w('\ No newline at end of file\r\n')
EOF

hg init repo
cd repo
echo '\.diff' > .hgignore

# Test different --eol values
python -c 'file("a", "wb").write("a\nbbb\ncc\n\nd\ne")'
hg ci -Am adda
python ../makepatch.py

echo % invalid eol
hg --config patch.eol='LFCR' import eol.diff
hg revert -a

echo % force LF
hg --traceback --config patch.eol='LF' import eol.diff
python -c 'print repr(file("a","rb").read())'
hg st

echo % force CRLF
hg up -C 0
hg --traceback --config patch.eol='CRLF' import eol.diff
python -c 'print repr(file("a","rb").read())'
hg st

echo % auto EOL on LF file
hg up -C 0
hg --traceback --config patch.eol='auto' import eol.diff
python -c 'print repr(file("a","rb").read())'
hg st

echo % auto EOL on CRLF file
python -c 'file("a", "wb").write("a\r\nbbb\r\ncc\r\n\r\nd\r\ne")'
hg commit -m 'switch EOLs in a'
hg --traceback --config patch.eol='auto' import eol.diff
python -c 'print repr(file("a","rb").read())'
hg st

# Test --eol and binary patches
python -c 'file("b", "wb").write("a\x00\nb")'
hg ci -Am addb
python -c 'file("b", "wb").write("a\x00\nc")'
hg diff --git > bin.diff
hg revert --no-backup b
echo % binary patch with --eol
hg import --config patch.eol='CRLF' -m changeb bin.diff
python -c 'print repr(file("b","rb").read())'
hg st
cd ..