#!/usr/bin/env bash
#
#
# Bash script for creating videos of the animation examples.
# The videos will optionally be included in the RST gallery.

test -z "$1" && exit 1

# Where the current script resides (need absolute path)
script_name="$1"
script_dir=$(dirname "${script_name}")
script="@GMT_SOURCE_DIR@/doc/examples/${script_name}"
if ! [ -x "${script}" ]; then
  echo "error: cannot execute script ${script}." >&2
  exit 1
fi

# choose awk
if command -v gawk >/dev/null 2>&1 ; then
  export AWK=gawk
elif command -v nawk >/dev/null 2>&1 ; then
  export AWK=nawk
else
  export AWK=awk
fi

# Temporary change LANG to C
LANG=C

# Use executables from GMT_BINARY_DIR, fallback to CMAKE_INSTALL_PREFIX/GMT_BINDIR
export PATH="@GMT_BINARY_DIR@/src:$PATH" # for gmt_shell_functions.sh
export GMT_SHAREDIR="@GMT_SOURCE_DIR@/share"

# Create a temporary directory exec_dir in the build dir
# Then copy all of its contents (except files excluded by GLOBIGNORE)
# Run remainder of this GMT script there
exec_dir="@CMAKE_CURRENT_BINARY_DIR@/${script_dir}"
rm -rf "$exec_dir"
mkdir -p "$exec_dir"
cd "$exec_dir"
shopt -s extglob
GLOBIGNORE="!(*.bat|*.sh)"
for file in "$src"/* ; do
  test -f "$file" && ln -s "$file" .
done
unset GLOBIGNORE

# Start with proper GMT defaults
gmt set -Du FORMAT_TIME_STAMP "Version 6"

# Now run the original script
. "${script}" animate