131 lines
3.9 KiB
Bash
131 lines
3.9 KiB
Bash
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 = _ || \
|
|
$__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 \
|
|
]]; 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
|