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|
set -e
if [ -e .attrs.sh ]; then source .attrs.sh; fi
export IN_NIX_SHELL=impure
export dontAddDisableDepTrack=1
if [[ -n $stdenv ]]; then
source $stdenv/setup
fi
# Better to use compgen, but stdenv bash doesn't have it.
__vars="$(declare -p)"
__functions="$(declare -F)"
__dumpEnv() {
printf '{\n'
printf ' "bashFunctions": {\n'
local __first=1
while read __line; do
if ! [[ $__line =~ ^declare\ -f\ (.*) ]]; then continue; fi
__fun_name="${BASH_REMATCH[1]}"
__fun_body="$(type $__fun_name)"
if [[ $__fun_body =~ \{(.*)\} ]]; then
if [[ -z $__first ]]; then printf ',\n'; else __first=; fi
__fun_body="${BASH_REMATCH[1]}"
printf " "
__escapeString "$__fun_name"
printf ':'
__escapeString "$__fun_body"
else
printf "Cannot parse definition of function '%s'.\n" "$__fun_name" >&2
return 1
fi
done < <(printf "%s\n" "$__functions")
printf '\n },\n'
printf ' "variables": {\n'
local __first=1
while read __line; do
if ! [[ $__line =~ ^declare\ (-[^ ])\ ([^=]*) ]]; then continue; fi
local type="${BASH_REMATCH[1]}"
local __var_name="${BASH_REMATCH[2]}"
if [[ $__var_name =~ ^BASH_ || \
$__var_name =~ ^COMP_ || \
$__var_name = _ || \
$__var_name = DIRSTACK || \
$__var_name = EUID || \
$__var_name = FUNCNAME || \
$__var_name = HISTCMD || \
$__var_name = HOSTNAME || \
$__var_name = GROUPS || \
$__var_name = PIPESTATUS || \
$__var_name = PWD || \
$__var_name = RANDOM || \
$__var_name = SHLVL || \
$__var_name = SECONDS || \
$__var_name = EPOCHREALTIME || \
$__var_name = EPOCHSECONDS \
]]; then continue; fi
if [[ -z $__first ]]; then printf ',\n'; else __first=; fi
printf " "
__escapeString "$__var_name"
printf ': {'
# FIXME: handle -i, -r, -n.
if [[ $type == -x ]]; then
printf '"type": "exported", "value": '
__escapeString "${!__var_name}"
elif [[ $type == -- ]]; then
printf '"type": "var", "value": '
__escapeString "${!__var_name}"
elif [[ $type == -a ]]; then
printf '"type": "array", "value": ['
local __first2=1
__var_name="$__var_name[@]"
for __i in "${!__var_name}"; do
if [[ -z $__first2 ]]; then printf ', '; else __first2=; fi
__escapeString "$__i"
printf ' '
done
printf ']'
elif [[ $type == -A ]]; then
printf '"type": "associative", "value": {\n'
local __first2=1
declare -n __var_name2="$__var_name"
for __i in "${!__var_name2[@]}"; do
if [[ -z $__first2 ]]; then printf ',\n'; else __first2=; fi
printf " "
__escapeString "$__i"
printf ": "
__escapeString "${__var_name2[$__i]}"
done
printf '\n }'
else
printf '"type": "unknown"'
fi
printf "}"
done < <(printf "%s\n" "$__vars")
printf '\n }\n}'
}
__escapeString() {
local __s="$1"
__s="${__s//\\/\\\\}"
__s="${__s//\"/\\\"}"
__s="${__s//$'\n'/\\n}"
__s="${__s//$'\r'/\\r}"
__s="${__s//$'\t'/\\t}"
printf '"%s"' "$__s"
}
# In case of `__structuredAttrs = true;` the list of outputs is an associative
# array with a format like `outname => /nix/store/hash-drvname-outname`, so `__olist`
# must contain the array's keys (hence `${!...[@]}`) in this case.
if [ -e .attrs.sh ]; then
__olist="${!outputs[@]}"
else
__olist=$outputs
fi
for __output in $__olist; do
if [[ -z $__done ]]; then
__dumpEnv > ${!__output}
__done=1
else
echo -n >> "${!__output}"
fi
done
|
