76 lines
2.1 KiB
Bash
76 lines
2.1 KiB
Bash
mangleVarList() {
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local var="$1"
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shift
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local -a role_infixes=("$@")
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local outputVar="${var/+/_@infixSalt@_}"
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declare -gx ${outputVar}+=''
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# For each role we serve, we accumulate the input parameters into our own
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# cc-wrapper-derivation-specific environment variables.
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for infix in "${role_infixes[@]}"; do
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local inputVar="${var/+/${infix}}"
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if [ -v "$inputVar" ]; then
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export ${outputVar}+="${!outputVar:+ }${!inputVar}"
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fi
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done
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}
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mangleVarBool() {
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local var="$1"
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shift
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local -a role_infixes=("$@")
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local outputVar="${var/+/_@infixSalt@_}"
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declare -gxi ${outputVar}+=''
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for infix in "${role_infixes[@]}"; do
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local inputVar="${var/+/${infix}}"
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if [ -v "$inputVar" ]; then
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let "${outputVar} |= ${!inputVar}"
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fi
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done
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}
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skip () {
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if [ -n "${NIX_DEBUG:-}" ]; then
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echo "skipping impure path $1" >&2
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fi
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}
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# Checks whether a path is impure. E.g., `/lib/foo.so' is impure, but
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# `/nix/store/.../lib/foo.so' isn't.
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badPath() {
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local p=$1
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# Relative paths are okay (since they're presumably relative to
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# the temporary build directory).
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if [ "${p:0:1}" != / ]; then return 1; fi
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# Otherwise, the path should refer to the store or some temporary
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# directory (including the build directory).
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test \
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"$p" != "/dev/null" -a \
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"${p:0:${#NIX_STORE}}" != "$NIX_STORE" -a \
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"${p:0:4}" != "/tmp" -a \
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"${p:0:${#NIX_BUILD_TOP}}" != "$NIX_BUILD_TOP"
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}
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expandResponseParams() {
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declare -ga params=("$@")
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local arg
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for arg in "$@"; do
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if [[ "$arg" == @* ]]; then
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# phase separation makes this look useless
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# shellcheck disable=SC2157
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if [ -x "@expandResponseParams@" ]; then
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# params is used by caller
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#shellcheck disable=SC2034
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readarray -d '' params < <("@expandResponseParams@" "$@")
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return 0
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else
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echo "Response files aren't supported during bootstrapping" >&2
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return 1
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fi
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fi
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done
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}
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