49 lines
1.3 KiB
Bash
Executable File
49 lines
1.3 KiB
Bash
Executable File
#!/usr/bin/env bash
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#
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# Use cargo-tree to check our dependencies for crates which we must
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# not depend on unconditionally.
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set -eu
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forbid () {
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local our_crate="$1"
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local feature="$2"
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local forbidden="$3"
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set +e
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cargo tree --prefix=none -p "$our_crate" --features "$feature" \
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--format=" {p}" | grep "^ $forbidden "
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# Note that the space in the grep pattern above is necessary to
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# make sure we don't match prefixes. (The cargo tree output will be
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# something like " cratename v1.2.3".)
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local result="${PIPESTATUS[*]}"
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set -e
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case "$result" in
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"0 0")
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# cargo-tree succeeded, and so did grep: we found the
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# forbidden package.
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echo "Uh-oh: $forbidden has shown up in $our_crate/$feature."
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exit 1
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;;
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"0 1")
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# cargo-tree succeeded, and grep failed: we didn't find the
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# forbidden package.
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echo "Didn't find $forbidden in $our_crate/$feature. Good."
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;;
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*)
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# cargo-tree failed (or maybe grep is gruesomely nonstandard)
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echo "cargo tree failed unexpectedly when checking for $forbidden in $our_crate/$feature" >&2
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exit 1
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;;
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esac
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}
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# We can't use these crates in arti/full, since they expose us to the old
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# OpenSSL (3BSD + SSLeay) license.
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forbid arti full ring
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forbid arti full webpki
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echo "Everything looks fine."
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