Test EOL extension

  $ cat >> $HGRCPATH <<EOF

  > [diff]

  > git = True

  > EOF

Set up helpers

  $ cat > switch-eol.py <<'EOF'

  > from __future__ import absolute_import

  > import os

  > import sys

  > try:

  >     import msvcrt

  >     msvcrt.setmode(sys.stdin.fileno(), os.O_BINARY)

  >     msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY)

  > except ImportError:

  >     pass

  > eolmap = {b'\n': '\\n', b'\r\n': '\\r\\n'}

  > (old, new) = sys.argv[1] == 'LF' and (b'\n', b'\r\n') or (b'\r\n', b'\n')

  > print("%% switching encoding from '%s' to '%s'"

  >       % (eolmap[old], eolmap[new]))

  > for path in sys.argv[2:]:

  >     data = open(path, 'rb').read()

  >     data = data.replace(old, new)

  >     open(path, 'wb').write(data)

  > EOF

  $ seteol () {

  >     if [ $1 = "LF" ]; then

  >         EOL='\n'

  >     else

  >         EOL='\r\n'

  >     fi

  > }

  $ makerepo () {

  >     seteol $1

  >     echo "% setup $1 repository"

  >     hg init repo

  >     cd repo

  >     cat > .hgeol <<EOF

  > [repository]

  > native = $1

  > [patterns]

  > mixed.txt = BIN

  > **.txt = native

  > EOF

  >     printf "first${EOL}second${EOL}third${EOL}" > a.txt

  >     hg commit --addremove -m 'checkin'

  >     echo

  >     cd ..

  > }

  $ dotest () {

  >     seteol $1

  >     echo "% hg clone repo repo-$1"

  >     hg clone --noupdate repo repo-$1

  >     cd repo-$1

  >     cat > .hg/hgrc <<EOF

  > [extensions]

  > eol =

  > [eol]

  > native = $1

  > EOF

  >     hg update

  >     echo '% a.txt'

  >     cat a.txt

  >     echo '% hg cat a.txt'

  >     hg cat a.txt

  >     printf "fourth${EOL}" >> a.txt

  >     echo '% a.txt'

  >     cat a.txt

  >     hg diff

  >     "$PYTHON" ../switch-eol.py $1 a.txt

  >     echo '% hg diff only reports a single changed line:'

  >     hg diff

  >     echo "% reverting back to $1 format"

  >     hg revert a.txt

  >     cat a.txt

  >     printf "first\r\nsecond\n" > mixed.txt

  >     hg add mixed.txt

  >     echo "% hg commit of inconsistent .txt file marked as binary (should work)"

  >     hg commit -m 'binary file'

  >     echo "% hg commit of inconsistent .txt file marked as native (should fail)"

  >     printf "first\nsecond\r\nthird\nfourth\r\n" > a.txt

  >     hg commit -m 'inconsistent file'

  >     echo "% hg commit --config eol.only-consistent=False (should work)"

  >     hg commit --config eol.only-consistent=False -m 'inconsistent file'

  >     echo "% hg commit of binary .txt file marked as native (binary files always okay)"

  >     printf "first${EOL}\0${EOL}third${EOL}" > a.txt

  >     hg commit -m 'binary file'

  >     cd ..

  >     rm -r repo-$1

  > }

  $ makemixedrepo () {

  >     echo

  >     echo "# setup $1 repository"

  >     hg init mixed

  >     cd mixed

  >     printf "foo\r\nbar\r\nbaz\r\n" > win.txt

  >     printf "foo\nbar\nbaz\n" > unix.txt

  >     #printf "foo\r\nbar\nbaz\r\n" > mixed.txt

  >     hg commit --addremove -m 'created mixed files'

  >     echo "# setting repository-native EOLs to $1"

  >     cat > .hgeol <<EOF

  > [repository]

  > native = $1

  > [patterns]

  > **.txt = native

  > EOF

  >     hg commit --addremove -m 'added .hgeol'

  >     cd ..

  > }

  $ testmixed () {

  >     echo

  >     echo "% hg clone mixed mixed-$1"

  >     hg clone mixed mixed-$1

  >     cd mixed-$1

  >     echo '% hg status (eol extension not yet activated)'

  >     hg status

  >     cat > .hg/hgrc <<EOF

  > [extensions]

  > eol =

  > [eol]

  > native = $1

  > EOF

  >     echo '% hg status (eol activated)'

  >     hg status

  >     echo '% hg commit'

  >     hg commit -m 'synchronized EOLs'

  >     echo '% hg status'

  >     hg status

  >     cd ..

  >     rm -r mixed-$1

  > }

Basic tests

  $ makerepo LF

  % setup LF repository

  adding .hgeol

  adding a.txt

  $ dotest LF

  % hg clone repo repo-LF

  2 files updated, 0 files merged, 0 files removed, 0 files unresolved

  % a.txt

  first

  second

  third

  % hg cat a.txt

  first

  second

  third

  % a.txt

  first

  second

  third

  fourth

  diff --git a/a.txt b/a.txt

  --- a/a.txt

  +++ b/a.txt

  @@ -1,3 +1,4 @@

   first

   second

   third

  +fourth

  % switching encoding from '\n' to '\r\n'

  % hg diff only reports a single changed line:

  diff --git a/a.txt b/a.txt

  --- a/a.txt

  +++ b/a.txt

  @@ -1,3 +1,4 @@

   first

   second

   third

  +fourth

  % reverting back to LF format

  first

  second

  third

  % hg commit of inconsistent .txt file marked as binary (should work)

  % hg commit of inconsistent .txt file marked as native (should fail)

  abort: inconsistent newline style in a.txt

  % hg commit --config eol.only-consistent=False (should work)

  % hg commit of binary .txt file marked as native (binary files always okay)

  $ dotest CRLF

  % hg clone repo repo-CRLF

  2 files updated, 0 files merged, 0 files removed, 0 files unresolved

  % a.txt

  first\r (esc)

  second\r (esc)

  third\r (esc)

  % hg cat a.txt

  first

  second

  third

  % a.txt

  first\r (esc)

  second\r (esc)

  third\r (esc)

  fourth\r (esc)

  diff --git a/a.txt b/a.txt

  --- a/a.txt

  +++ b/a.txt

  @@ -1,3 +1,4 @@

   first

   second

   third

  +fourth

  % switching encoding from '\r\n' to '\n'

  % hg diff only reports a single changed line:

  diff --git a/a.txt b/a.txt

  --- a/a.txt

  +++ b/a.txt

  @@ -1,3 +1,4 @@

   first

   second

   third

  +fourth

  % reverting back to CRLF format

  first\r (esc)

  second\r (esc)

  third\r (esc)

  % hg commit of inconsistent .txt file marked as binary (should work)

  % hg commit of inconsistent .txt file marked as native (should fail)

  abort: inconsistent newline style in a.txt

  % hg commit --config eol.only-consistent=False (should work)

  % hg commit of binary .txt file marked as native (binary files always okay)

  $ rm -r repo

  $ makerepo CRLF

  % setup CRLF repository

  adding .hgeol

  adding a.txt

  $ dotest LF

  % hg clone repo repo-LF

  2 files updated, 0 files merged, 0 files removed, 0 files unresolved

  % a.txt

  first

  second

  third

  % hg cat a.txt

  first\r (esc)

  second\r (esc)

  third\r (esc)

  % a.txt

  first

  second

  third

  fourth

  diff --git a/a.txt b/a.txt

  --- a/a.txt

  +++ b/a.txt

  @@ -1,3 +1,4 @@

   first\r (esc)

   second\r (esc)

   third\r (esc)

  +fourth\r (esc)

  % switching encoding from '\n' to '\r\n'

  % hg diff only reports a single changed line:

  diff --git a/a.txt b/a.txt

  --- a/a.txt

  +++ b/a.txt

  @@ -1,3 +1,4 @@

   first\r (esc)

   second\r (esc)

   third\r (esc)

  +fourth\r (esc)

  % reverting back to LF format

  first

  second

  third

  % hg commit of inconsistent .txt file marked as binary (should work)

  % hg commit of inconsistent .txt file marked as native (should fail)

  abort: inconsistent newline style in a.txt

  % hg commit --config eol.only-consistent=False (should work)

  % hg commit of binary .txt file marked as native (binary files always okay)

  $ dotest CRLF

  % hg clone repo repo-CRLF

  2 files updated, 0 files merged, 0 files removed, 0 files unresolved

  % a.txt

  first\r (esc)

  second\r (esc)

  third\r (esc)

  % hg cat a.txt

  first\r (esc)

  second\r (esc)

  third\r (esc)

  % a.txt

  first\r (esc)

  second\r (esc)

  third\r (esc)

  fourth\r (esc)

  diff --git a/a.txt b/a.txt

  --- a/a.txt

  +++ b/a.txt

  @@ -1,3 +1,4 @@

   first\r (esc)

   second\r (esc)

   third\r (esc)

  +fourth\r (esc)

  % switching encoding from '\r\n' to '\n'

  % hg diff only reports a single changed line:

  diff --git a/a.txt b/a.txt

  --- a/a.txt

  +++ b/a.txt

  @@ -1,3 +1,4 @@

   first\r (esc)

   second\r (esc)

   third\r (esc)

  +fourth\r (esc)

  % reverting back to CRLF format

  first\r (esc)

  second\r (esc)

  third\r (esc)

  % hg commit of inconsistent .txt file marked as binary (should work)

  % hg commit of inconsistent .txt file marked as native (should fail)

  abort: inconsistent newline style in a.txt

  % hg commit --config eol.only-consistent=False (should work)

  % hg commit of binary .txt file marked as native (binary files always okay)

  $ rm -r repo

Mixed tests

  $ makemixedrepo LF

  # setup LF repository

  adding unix.txt

  adding win.txt

  # setting repository-native EOLs to LF

  adding .hgeol

  $ testmixed LF

  % hg clone mixed mixed-LF

  updating to branch default

  3 files updated, 0 files merged, 0 files removed, 0 files unresolved

  % hg status (eol extension not yet activated)

  % hg status (eol activated)

  M win.txt

  % hg commit

  % hg status

  $ testmixed CRLF

  % hg clone mixed mixed-CRLF

  updating to branch default

  3 files updated, 0 files merged, 0 files removed, 0 files unresolved

  % hg status (eol extension not yet activated)

  % hg status (eol activated)

  M win.txt

  % hg commit

  % hg status

  $ rm -r mixed

  $ makemixedrepo CRLF

  # setup CRLF repository

  adding unix.txt