==================
Basic heredoc
==================

FROM busybox AS build

RUN <<EOF
echo "i am" >> /dest
whoami >> /dest
EOF

FROM scratch
COPY --from=build /dest /dest

---

(source_file
  (from_instruction
    (image_spec
      (image_name))
    (image_alias))
  (run_instruction
    (shell_command
      (shell_fragment
        (heredoc_marker)))
    (heredoc_block
      (heredoc_line)
      (heredoc_line)
      (heredoc_end)))
  (from_instruction
    (image_spec
      (image_name)))
  (copy_instruction
    (param)
    (path)
    (path)))

==================
Basic heredoc with space after marker
==================

FROM busybox AS build

RUN <<EOF 
echo "i am" >> /dest
whoami >> /dest
EOF

FROM scratch
COPY --from=build /dest /dest

---

(source_file
  (from_instruction
    (image_spec
      (image_name))
    (image_alias))
  (run_instruction
    (shell_command
      (shell_fragment
        (heredoc_marker)))
    (heredoc_block
      (heredoc_line)
      (heredoc_line)
      (heredoc_end)))
  (from_instruction
    (image_spec
      (image_name)))
  (copy_instruction
    (param)
    (path)
    (path)))

==================
Run heredoc
==================

FROM busybox AS build

SHELL ["/bin/awk"]
RUN <<EOF
BEGIN {
	print "foo" > "/dest"
}
EOF

FROM scratch
COPY --from=build /dest /dest

---

(source_file
  (from_instruction
    (image_spec
      (image_name))
    (image_alias))
  (shell_instruction
    (json_string_array
      (json_string)))
  (run_instruction
    (shell_command
      (shell_fragment
        (heredoc_marker)))
    (heredoc_block
      (heredoc_line)
      (heredoc_line)
      (heredoc_line)
      (heredoc_end)))
  (from_instruction
    (image_spec
      (image_name)))
  (copy_instruction
    (param)
    (path)
    (path)))

==================
Run heredoc with shebang
==================

FROM busybox AS build

RUN <<EOF
#!/bin/awk -f
BEGIN {
	print "hello" >> "/dest"
	print "world" >> "/dest"
}
EOF

FROM scratch
COPY --from=build /dest /dest

---

(source_file
  (from_instruction
    (image_spec
      (image_name))
    (image_alias))
  (run_instruction
    (shell_command
      (shell_fragment
        (heredoc_marker)))
    (heredoc_block
      (heredoc_line)
      (heredoc_line)
      (heredoc_line)
      (heredoc_line)
      (heredoc_line)
      (heredoc_end)))
  (from_instruction
    (image_spec
      (image_name)))
  (copy_instruction
    (param)
    (path)
    (path)))

==================
Run complex heredoc
==================

FROM busybox AS build

WORKDIR /dest

RUN cat <<EOF1 | tr '[:upper:]' '[:lower:]' > ./out1; \
	cat <<EOF2 | tr '[:lower:]' '[:upper:]' > ./out2
hello WORLD
EOF1
HELLO world
EOF2

RUN <<EOF 3<<IN1 4<<IN2 awk -f -
BEGIN {
	while ((getline line < "/proc/self/fd/3") > 0)
		print tolower(line) > "./fd3"
	while ((getline line < "/proc/self/fd/4") > 0)
		print toupper(line) > "./fd4"
}
EOF
hello WORLD
IN1
HELLO world
IN2

FROM scratch
COPY --from=build /dest /

---

(source_file
  (from_instruction
    (image_spec
      (image_name))
    (image_alias))
  (workdir_instruction
    (path))
  (run_instruction
    (shell_command
      (shell_fragment
        (heredoc_marker))
      (line_continuation)
      (shell_fragment
        (heredoc_marker)))
    (heredoc_block
      (heredoc_line)
      (heredoc_end))
    (heredoc_block
      (heredoc_line)
      (heredoc_end)))
  (run_instruction
    (shell_command
      (shell_fragment
        (heredoc_marker)
        (heredoc_marker)
        (heredoc_marker)))
    (heredoc_block
      (heredoc_line)
      (heredoc_line)
      (heredoc_line)
      (heredoc_line)
      (heredoc_line)
      (heredoc_line)
      (heredoc_end))
    (heredoc_block
      (heredoc_line)
      (heredoc_end))
    (heredoc_block
      (heredoc_line)
      (heredoc_end)))
  (from_instruction
    (image_spec
      (image_name)))
  (copy_instruction
    (param)
    (path)
    (path)))

=================================
Copy with heredoc
=================================

FROM busybox AS build

RUN adduser -D user
WORKDIR /dest

COPY <<EOF single
single file
EOF

COPY <<EOF <<EOF2 double/
first file
EOF
second file
EOF2

RUN mkdir -p /permfiles
COPY --chmod=777 <<EOF /permfiles/all
dummy content
EOF
COPY --chmod=0644 <<EOF /permfiles/rw
dummy content
EOF
COPY --chown=user:user <<EOF /permfiles/owned
dummy content
EOF
RUN stat -c "%04a" /permfiles/all >> perms && \
  stat -c "%04a" /permfiles/rw >> perms && \
  stat -c "%U:%G" /permfiles/owned >> perms

FROM scratch
COPY --from=build /dest /

---

(source_file
  (from_instruction
    (image_spec
      (image_name))
    (image_alias))
  (run_instruction
    (shell_command
      (shell_fragment)))
  (workdir_instruction
    (path))
  (copy_instruction
    (path
      (heredoc_marker))
    (path)
    (heredoc_block
      (heredoc_line)
      (heredoc_end)))
  (copy_instruction
    (path
      (heredoc_marker))
    (path
      (heredoc_marker))
    (path)
    (heredoc_block
      (heredoc_line)
      (heredoc_end))
    (heredoc_block
      (heredoc_line)
      (heredoc_end)))
  (run_instruction
    (shell_command
      (shell_fragment)))
  (copy_instruction
    (param)
    (path
      (heredoc_marker))
    (path)
    (heredoc_block
      (heredoc_line)
      (heredoc_end)))
  (copy_instruction
    (param)
    (path
      (heredoc_marker))
    (path)
    (heredoc_block
      (heredoc_line)
      (heredoc_end)))
  (copy_instruction
    (param)
    (path
      (heredoc_marker))
    (path)
    (heredoc_block
      (heredoc_line)
      (heredoc_end)))
  (run_instruction
    (shell_command
      (shell_fragment)
      (line_continuation)
      (shell_fragment)
      (line_continuation)
      (shell_fragment)))
  (from_instruction
    (image_spec
      (image_name)))
  (copy_instruction
    (param)
    (path)
    (path)))

==================
Heredoc with special symbols
==================

FROM scratch

COPY <<EOF quotefile
"quotes in file"
EOF

COPY <<EOF slashfile1
\
EOF
COPY <<EOF slashfile2
\\
EOF
COPY <<EOF slashfile3
\$
EOF

COPY <<"EOF" rawslashfile1
\
EOF
COPY <<"EOF" rawslashfile2
\\
EOF
COPY <<"EOF" rawslashfile3
\$
EOF

---

(source_file
  (from_instruction
    (image_spec
      (image_name)))
  (copy_instruction
    (path
      (heredoc_marker))
    (path)
    (heredoc_block
      (heredoc_line)
      (heredoc_end)))
  (copy_instruction
    (path
      (heredoc_marker))
    (path)
    (heredoc_block
      (heredoc_line)
      (heredoc_end)))
  (copy_instruction
    (path
      (heredoc_marker))
    (path)
    (heredoc_block
      (heredoc_line)
      (heredoc_end)))
  (copy_instruction
    (path
      (heredoc_marker))
    (path)
    (heredoc_block
      (heredoc_line)
      (heredoc_end)))
  (copy_instruction
    (path
      (heredoc_marker))
    (path)
    (heredoc_block
      (heredoc_line)
      (heredoc_end)))
  (copy_instruction
    (path
      (heredoc_marker))
    (path)
    (heredoc_block
      (heredoc_line)
      (heredoc_end)))
  (copy_instruction
    (path
      (heredoc_marker))
    (path)
    (heredoc_block
      (heredoc_line)
      (heredoc_end))))