pyenv/libexec/pyenv-hooks
Casey McGinty 83e5459cfb Remove shebang lines from scripts for performance
All scripts in libexec/ (excluding pyenv) are called through pyenv,
therefore the shebang lines are not necessary. On some systems this
provides a measurable increase in performance of the shell prompt.

Related to pyenv/pyenv-virtualenv#259
2019-03-07 22:15:14 +01:00

62 lines
1.2 KiB
Text
Executable file

# Summary: List hook scripts for a given pyenv command
# Usage: pyenv hooks <command>
set -e
[ -n "$PYENV_DEBUG" ] && set -x
# Provide pyenv completions
if [ "$1" = "--complete" ]; then
echo exec
echo rehash
echo version-name
echo version-origin
echo which
exit
fi
PYENV_COMMAND="$1"
if [ -z "$PYENV_COMMAND" ]; then
pyenv-help --usage hooks >&2
exit 1
fi
if ! enable -f "${BASH_SOURCE%/*}"/pyenv-realpath.dylib realpath 2>/dev/null; then
if [ -n "$PYENV_NATIVE_EXT" ]; then
echo "pyenv: failed to load \`realpath' builtin" >&2
exit 1
fi
READLINK=$(type -p greadlink readlink | head -1)
if [ -z "$READLINK" ]; then
echo "pyenv: cannot find readlink - are you missing GNU coreutils?" >&2
exit 1
fi
resolve_link() {
$READLINK "$1"
}
realpath() {
local path="$1"
local name
# Use a subshell to avoid changing the current path
(
while [ -n "$path" ]; do
name="${path##*/}"
[ "$name" = "$path" ] || cd "${path%/*}"
path="$(resolve_link "$name" || true)"
done
echo "${PWD}/$name"
)
}
fi
IFS=: hook_paths=($PYENV_HOOK_PATH)
shopt -s nullglob
for path in "${hook_paths[@]}"; do
for script in "$path/$PYENV_COMMAND"/*.bash; do
realpath "$script"
done
done
shopt -u nullglob