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# non-interactive activate
__activate_env() {
for func in $(typeset -F | cut -f 3 -d ' ' | grep -E '^__env_'); do
if [[ "$func" == "__env_$1" ]]; then
$func
echo "Activated $1"
return 0
fi
done
echo "Error: Environment not found $1" >&2
return 1
}
# print all defined envs
list_envs() {
for env in $(typeset -F | sed -n -e 's/^declare -f __env_//p'); do
active=false
for env_active in $ENV_ACTIVE; do
if [ "$env_active" == "$env" ]; then
active=true
fi
done
if $active; then
echo -n "${env}* "
else
echo -n "$env "
fi
done
echo ""
}
plain_list_envs() {
typeset -F | sed -n -e 's/^declare -f __env_//p'
}
# Interactive activate
activate() {
err=false
for env in $*; do
if ! typeset -F | grep -q -E "^declare -f __env_${env}$"; then
echo "Environment not defined: $env"
err=true
fi
done
if $err; then
return 1
fi
for env in $*; do
if typeset -F | grep -q -E "^declare -f __env_${env}$"; then
export ENV_ACTIVE="$ENV_ACTIVE${ENV_ACTIVE:+ }$env"
__env_${env}
fi
done
echo "Active: $ENV_ACTIVE"
}
# initialization
for env_request in $ENV_ACTIVE; do
__activate_env $env_request
done
# bash-completion for `activate'
_activate() {
_init_completion -s || return
COMPREPLY=( $(compgen -W "$(list_envs)" -- $cur) )
} && complete -F _activate activate
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