# Copyright (C) 2009 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.

. $srcdir/test-lib.sh

require_cat
require_diff
use_local_patch
use_tmpdir

# ==============================================================

# Bug #25970: intuit_diff_type: Assertion `i0 != NONE' failed.

cat > f.diff <<EOF
--- f
+++ f
@@ -1 +0,0 @@
-one
EOF

echo one > f
check 'patch -f -p1 < f.diff || echo "Status: $?"' <<EOF
can't find file to patch at input line 3
Perhaps you used the wrong -p or --strip option?
The text leading up to this was:
--------------------------
|--- f
|+++ f
--------------------------
No file to patch.  Skipping patch.
1 out of 1 hunk ignored
Status: 1
EOF

# ==============================================================

echo one > f
diff -u /dev/null f > f.diff

check 'patch -f < f.diff || echo "Status: $?"' <<EOF
The next patch would create the file f,
which already exists!  Applying it anyway.
patching file f
Hunk #1 FAILED at 1.
1 out of 1 hunk FAILED -- saving rejects to file f.rej
Status: 1
EOF

# ==============================================================

echo one > f
diff -u f /dev/null > f.diff
rm f
check 'patch -p0 < f.diff || echo "Status: $?"' <<EOF
The next patch would delete the file f,
which does not exist!  Assume -R? [n] 
Apply anyway? [n] 
Skipping patch.
1 out of 1 hunk ignored
Status: 1
EOF

# ==============================================================

echo one > f
diff -u f /dev/null > f.diff
rm f
check 'patch -p0 -f < f.diff || echo "Status: $?"' <<EOF
The next patch would delete the file f,
which does not exist!  Applying it anyway.
patching file f
Hunk #1 FAILED at 1.
1 out of 1 hunk FAILED -- saving rejects to file f.rej
Status: 1
EOF

# ==============================================================

umask 022

echo one > f
diff -u f /dev/null > f.diff
rm f
check 'patch -f f < f.diff || echo "Status: $?"' <<EOF
The next patch would delete the file f,
which does not exist!  Applying it anyway.
patching file f
Hunk #1 FAILED at 1.
1 out of 1 hunk FAILED -- saving rejects to file f.rej
Status: 1
EOF

check 'ls -l f.orig | sed "s,\(..........\).*,\1,"' <<EOF
-rw-r--r--
EOF

# ==============================================================

rm f.orig
echo f > f.orig
rm -f f
touch f
diff -u f.orig f > f.diff
check 'patch -f < f.diff || echo "Status: $?"' <<EOF
The next patch would empty out the file f,
which is already empty!  Applying it anyway.
patching file f
Hunk #1 FAILED at 1.
1 out of 1 hunk FAILED -- saving rejects to file f.rej
Status: 1
EOF