# Copyright (C) 2010-2012 Free Software Foundation, Inc.
#
# Copying and distribution of this file, with or without modification,
# in any medium, are permitted without royalty provided the copyright
# notice and this notice are preserved.

# git diffs: copy and rename tests

. $srcdir/test-lib.sh

require cat
use_local_patch
use_tmpdir

# ==============================================================
# Normal copy and rename patches

echo old > f

cat > copy.diff <<EOF
diff --git a/f b/g
copy from f
copy to g
index 3367afd..3e75765 100644
--- a/f
+++ b/g
@@ -1 +1 @@
-old
+new
EOF

check 'patch -p1 < copy.diff || echo "Status: $?"' <<EOF
patching file g (copied from f)
EOF

check 'cat f' <<EOF
old
EOF

check 'cat g' <<EOF
new
EOF

cat > rename.diff <<EOF
diff --git a/f b/h
rename from f
rename to h
index 3367afd..3e75765 100644
--- a/f
+++ b/h
@@ -1 +1 @@
-old
+new
EOF

check 'patch -p1 < rename.diff || echo "Status: $?"' <<EOF
patching file h (renamed from f)
EOF

ncheck 'test ! -e f'

check 'cat h' <<EOF
new
EOF

echo old > h

check 'patch -p1 < rename.diff || echo "Status: $?"' <<EOF
patching file h (already renamed from f)
EOF

ncheck 'test ! -e f'

check 'cat h' <<EOF
new
EOF

mv h f

check 'patch -p1 -R < rename.diff || echo "Status: $?"' <<EOF
patching file f (already renamed from h)
EOF

ncheck 'test ! -e h'

check 'cat f' <<EOF
old
EOF

# --------------------------------------------------------------
# Patches with no hunks

echo old > f
rm -f g h

cat > copy.diff <<EOF
diff --git a/f a/g
copy from f
copy to g
EOF

check 'patch -p1 < copy.diff || echo "Status: $?"' <<EOF
patching file g (copied from f)
EOF

check 'cat f' <<EOF
old
EOF

check 'cat g' <<EOF
old
EOF

cat > rename.diff <<EOF
diff --git a/f a/h
rename from f
rename to h
EOF

check 'patch -p1 < rename.diff || echo "Status: $?"' <<EOF
patching file h (renamed from f)
EOF

ncheck 'test ! -e f'

check 'cat h' <<EOF
old
EOF

# --------------------------------------------------------------
# Backup file tests

echo old > f
rm -f g h

check 'patch -p1 --backup < copy.diff || echo "Status: $?"' <<EOF
patching file g (copied from f)
EOF

ncheck 'test ! -e f.orig'

ncheck 'cat g.orig'

rm -f f.orig g.orig

check 'patch -p1 --backup < rename.diff || echo "Status: $?"' <<EOF
patching file h (renamed from f)
EOF

check 'cat f.orig' <<EOF
old
EOF

ncheck 'cat h.orig'