fd0f029e99
Honestly, you should be ashamed that this hasn't been source controlled sooner. Tsk tsk tsk.
65 lines
1.9 KiB
Bash
Executable file
65 lines
1.9 KiB
Bash
Executable file
#!/usr/bin/env bash
|
|
set -uo pipefail;
|
|
|
|
####################################
|
|
# Ensure we can execute standalone #
|
|
####################################
|
|
|
|
function early_death() {
|
|
echo "[FATAL] ${0}: ${1}" >&2;
|
|
exit 1;
|
|
};
|
|
|
|
if [ -z "${TFENV_ROOT:-""}" ]; then
|
|
# http://stackoverflow.com/questions/1055671/how-can-i-get-the-behavior-of-gnus-readlink-f-on-a-mac
|
|
readlink_f() {
|
|
local target_file="${1}";
|
|
local file_name;
|
|
|
|
while [ "${target_file}" != "" ]; do
|
|
cd "${target_file%/*}" || early_death "Failed to 'cd \$(${target_file%/*})' while trying to determine TFENV_ROOT";
|
|
file_name="${target_file##*/}" || early_death "Failed to '\"${target_file##*/}\"' while trying to determine TFENV_ROOT";
|
|
target_file="$(readlink "${file_name}")";
|
|
done;
|
|
|
|
echo "$(pwd -P)/${file_name}";
|
|
};
|
|
TFENV_SHIM=$(readlink_f "${0}")
|
|
TFENV_ROOT="${TFENV_SHIM%/*/*}";
|
|
[ -n "${TFENV_ROOT}" ] || early_death "Failed to determine TFENV_ROOT";
|
|
else
|
|
TFENV_ROOT="${TFENV_ROOT%/}";
|
|
fi;
|
|
export TFENV_ROOT;
|
|
|
|
if [ -n "${TFENV_HELPERS:-""}" ]; then
|
|
log 'debug' 'TFENV_HELPERS is set, not sourcing helpers again';
|
|
else
|
|
[ "${TFENV_DEBUG:-0}" -gt 0 ] && >&2 echo "[DEBUG] Sourcing helpers from ${TFENV_ROOT}/lib/helpers.sh";
|
|
if source "${TFENV_ROOT}/lib/helpers.sh"; then
|
|
log 'debug' 'Helpers sourced successfully';
|
|
else
|
|
early_death "Failed to source helpers from ${TFENV_ROOT}/lib/helpers.sh";
|
|
fi;
|
|
fi;
|
|
|
|
# Ensure libexec and bin are in $PATH
|
|
for dir in libexec bin; do
|
|
case ":${PATH}:" in
|
|
*:${TFENV_ROOT}/${dir}:*) log 'debug' "\$PATH already contains '${TFENV_ROOT}/${dir}', not adding it again";;
|
|
*)
|
|
log 'debug' "\$PATH does not contain '${TFENV_ROOT}/${dir}', prepending and exporting it now";
|
|
export PATH="${TFENV_ROOT}/${dir}:${PATH}";
|
|
;;
|
|
esac;
|
|
done;
|
|
|
|
#####################
|
|
# Begin Script Body #
|
|
#####################
|
|
|
|
log 'debug' "program=\"${0##*/}\"";
|
|
|
|
declare tfenv_path="${TFENV_ROOT}/bin/tfenv";
|
|
|
|
tfenv-exec "$@";
|