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-rw-r--r--scripts/nix-build.in21
-rw-r--r--src/nix-instantiate/main.cc2
2 files changed, 16 insertions, 7 deletions
diff --git a/scripts/nix-build.in b/scripts/nix-build.in
index cb7137a47..5c02f765d 100644
--- a/scripts/nix-build.in
+++ b/scripts/nix-build.in
@@ -3,6 +3,7 @@
nixExpr=$1
extraArgs=
+extraInstArgs=
addDrvLink=0
addOutLink=1
@@ -11,9 +12,11 @@ trap 'rm -f ./.nix-build-tmp-*' EXIT
# Process the arguments.
-exprs=
-for i in "$@"; do
- case "$i" in
+args=("$@")
+for ((i = 0; i < ${#args[*]}; )); do
+ arg=${args[$i]}
+ i=$((i + 1))
+ case "$arg" in
--help)
echo "syntax: $0 [NIX-EXPR...]" >&2
@@ -27,13 +30,19 @@ for i in "$@"; do
--no-link)
addOutLink=0
;;
+
+ --attr|-A)
+ arg2=${args[$i]}
+ i=$((i + 1))
+ extraInstArgs="$extraInstArgs $arg $arg2"
+ ;;
-*)
- extraArgs="$extraArgs $i"
+ extraArgs="$extraArgs $arg"
;;
*)
- exprs="$exprs $i"
+ exprs="$exprs $arg"
;;
esac
done
@@ -50,7 +59,7 @@ for i in $exprs; do
if test "$addDrvLink" = 0; then prefix=.nix-build-tmp-; fi
storeExprs=$(@bindir@/nix-instantiate \
--add-root ./${prefix}derivation --indirect \
- "$i")
+ $extraInstArgs "$i")
for j in $storeExprs; do
echo "store expression is $(readlink "$j")" >&2
diff --git a/src/nix-instantiate/main.cc b/src/nix-instantiate/main.cc
index 7668958fc..d73d0e613 100644
--- a/src/nix-instantiate/main.cc
+++ b/src/nix-instantiate/main.cc
@@ -84,7 +84,7 @@ void run(Strings args)
throw UsageError("`--add-root requires an argument");
gcRoot = absPath(*i++);
}
- else if (arg == "--attr") {
+ else if (arg == "--attr" || arg == "-A") {
if (i == args.end())
throw UsageError("`--attr requires an argument");
attrPath = *i++;