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https://github.com/NixOS/nix.git
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c94fd5f51a
If the user invokes nix with --trace-function-calls it means that they
want to see the trace.
(cherry picked from commit 619cc4af85)
86 lines
2.1 KiB
Bash
Executable File
86 lines
2.1 KiB
Bash
Executable File
source common.sh
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set +x
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expect_trace() {
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expr="$1"
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expect="$2"
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actual=$(
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nix-instantiate \
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--trace-function-calls \
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--expr "$expr" 2>&1 \
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| grep "function-trace" \
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| sed -e 's/ [0-9]*$//'
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);
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echo -n "Tracing expression '$expr'"
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set +e
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msg=$(diff -swB \
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<(echo "$expect") \
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<(echo "$actual")
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);
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result=$?
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set -e
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if [ $result -eq 0 ]; then
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echo " ok."
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else
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echo " failed. difference:"
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echo "$msg"
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return $result
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fi
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}
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# failure inside a tryEval
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expect_trace 'builtins.tryEval (throw "example")' "
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function-trace entered undefined position at
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function-trace exited undefined position at
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function-trace entered (string):1:1 at
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function-trace entered (string):1:19 at
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function-trace exited (string):1:19 at
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function-trace exited (string):1:1 at
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"
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# Missing argument to a formal function
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expect_trace '({ x }: x) { }' "
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function-trace entered undefined position at
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function-trace exited undefined position at
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function-trace entered (string):1:1 at
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function-trace exited (string):1:1 at
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"
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# Too many arguments to a formal function
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expect_trace '({ x }: x) { x = "x"; y = "y"; }' "
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function-trace entered undefined position at
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function-trace exited undefined position at
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function-trace entered (string):1:1 at
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function-trace exited (string):1:1 at
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"
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# Not enough arguments to a lambda
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expect_trace '(x: y: x + y) 1' "
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function-trace entered undefined position at
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function-trace exited undefined position at
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function-trace entered (string):1:1 at
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function-trace exited (string):1:1 at
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"
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# Too many arguments to a lambda
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expect_trace '(x: x) 1 2' "
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function-trace entered undefined position at
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function-trace exited undefined position at
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function-trace entered (string):1:1 at
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function-trace exited (string):1:1 at
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function-trace entered (string):1:1 at
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function-trace exited (string):1:1 at
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"
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# Not a function
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expect_trace '1 2' "
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function-trace entered undefined position at
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function-trace exited undefined position at
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function-trace entered (string):1:1 at
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function-trace exited (string):1:1 at
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"
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set -e
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