forked from mirrors/nixpkgs
96 lines
2.9 KiB
Bash
96 lines
2.9 KiB
Bash
# Accumulate infixes for taking in the right input parameters with the `mangle*`
|
|
# functions below. See setup-hook for details.
|
|
accumulateRoles() {
|
|
declare -ga role_infixes=()
|
|
if [ "${NIX_@wrapperName@_@infixSalt@_TARGET_BUILD:-}" ]; then
|
|
role_infixes+=(_BUILD_)
|
|
fi
|
|
if [ "${NIX_@wrapperName@_@infixSalt@_TARGET_HOST:-}" ]; then
|
|
role_infixes+=(_)
|
|
fi
|
|
if [ "${NIX_@wrapperName@_@infixSalt@_TARGET_TARGET:-}" ]; then
|
|
role_infixes+=(_TARGET_)
|
|
fi
|
|
}
|
|
|
|
mangleVarList() {
|
|
local var="$1"
|
|
shift
|
|
local -a role_infixes=("$@")
|
|
|
|
local outputVar="${var/+/_@infixSalt@_}"
|
|
declare -gx ${outputVar}+=''
|
|
# For each role we serve, we accumulate the input parameters into our own
|
|
# cc-wrapper-derivation-specific environment variables.
|
|
for infix in "${role_infixes[@]}"; do
|
|
local inputVar="${var/+/${infix}}"
|
|
if [ -v "$inputVar" ]; then
|
|
export ${outputVar}+="${!outputVar:+ }${!inputVar}"
|
|
fi
|
|
done
|
|
}
|
|
|
|
mangleVarBool() {
|
|
local var="$1"
|
|
shift
|
|
local -a role_infixes=("$@")
|
|
|
|
local outputVar="${var/+/_@infixSalt@_}"
|
|
declare -gxi ${outputVar}+=0
|
|
for infix in "${role_infixes[@]}"; do
|
|
local inputVar="${var/+/${infix}}"
|
|
if [ -v "$inputVar" ]; then
|
|
# "1" in the end makes `let` return success error code when
|
|
# expression itself evaluates to zero.
|
|
# We don't use `|| true` because that would silence actual
|
|
# syntax errors from bad variable values.
|
|
let "${outputVar} |= ${!inputVar:-0}" "1"
|
|
fi
|
|
done
|
|
}
|
|
|
|
skip () {
|
|
if (( "${NIX_DEBUG:-0}" >= 1 )); then
|
|
echo "skipping impure path $1" >&2
|
|
fi
|
|
}
|
|
|
|
|
|
# Checks whether a path is impure. E.g., `/lib/foo.so' is impure, but
|
|
# `/nix/store/.../lib/foo.so' isn't.
|
|
badPath() {
|
|
local p=$1
|
|
|
|
# Relative paths are okay (since they're presumably relative to
|
|
# the temporary build directory).
|
|
if [ "${p:0:1}" != / ]; then return 1; fi
|
|
|
|
# Otherwise, the path should refer to the store or some temporary
|
|
# directory (including the build directory).
|
|
test \
|
|
"$p" != "/dev/null" -a \
|
|
"${p:0:${#NIX_STORE}}" != "$NIX_STORE" -a \
|
|
"${p:0:4}" != "/tmp" -a \
|
|
"${p:0:${#NIX_BUILD_TOP}}" != "$NIX_BUILD_TOP"
|
|
}
|
|
|
|
expandResponseParams() {
|
|
declare -ga params=("$@")
|
|
local arg
|
|
for arg in "$@"; do
|
|
if [[ "$arg" == @* ]]; then
|
|
# phase separation makes this look useless
|
|
# shellcheck disable=SC2157
|
|
if [ -x "@expandResponseParams@" ]; then
|
|
# params is used by caller
|
|
#shellcheck disable=SC2034
|
|
readarray -d '' params < <("@expandResponseParams@" "$@")
|
|
return 0
|
|
else
|
|
echo "Response files aren't supported during bootstrapping" >&2
|
|
return 1
|
|
fi
|
|
fi
|
|
done
|
|
}
|