Merge pull request #199300 from Fuuzetsu/escape-rust-exports
rustBuildCrate: properly handle cargo env pragmas with spaces
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adbe2f532c
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@ -189,9 +189,21 @@ in ''
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EXTRA_LINK=$(sed -n "s/^cargo:rustc-link-lib=\(.*\)/\1/p" target/build/${crateName}.opt | tr '\n' ' ')
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EXTRA_LINK_SEARCH=$(sed -n "s/^cargo:rustc-link-search=\(.*\)/\1/p" target/build/${crateName}.opt | tr '\n' ' ' | sort -u)
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# We want to read part of every line that has cargo:rustc-env= prefix and
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# export it as environment variables. This turns out tricky if the lines
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# have spaces: we can't wrap the command in double quotes as that captures
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# all the lines in single output. We can't use while read loop because
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# exporting from inside of it doesn't make it to the outside scope. We
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# can't use xargs as export is a built-in and does not work from it. As a
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# last resort then, we change the IFS so that the for loop does not split
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# on spaces and reset it after we are done. See ticket #199298.
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#
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_OLDIFS="$IFS"
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IFS=$'\n'
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for env in $(sed -n "s/^cargo:rustc-env=\(.*\)/\1/p" target/build/${crateName}.opt); do
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export $env
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export "$env"
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done
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IFS="$_OLDIFS"
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CRATENAME=$(echo ${crateName} | sed -e "s/\(.*\)-sys$/\U\1/" -e "s/-/_/g")
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grep -P "^cargo:(?!(rustc-|warning=|rerun-if-changed=|rerun-if-env-changed))" target/build/${crateName}.opt \
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