depot/third_party/nixpkgs/pkgs/build-support/fetchsvn/builder.sh

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if [ -e "$NIX_ATTRS_SH_FILE" ]; then . "$NIX_ATTRS_SH_FILE"; elif [ -f .attrs.sh ]; then . .attrs.sh; fi
source $stdenv/setup
echo "exporting $url (r$rev) into $out"
if test -n "$http_proxy"; then
# Configure proxy
mkdir .subversion
proxy="${http_proxy#*://}"
echo '[global]' > .subversion/servers
echo "http-proxy-host = ${proxy%:*}" >> .subversion/servers
echo "http-proxy-port = ${proxy##*:}" >> .subversion/servers
export HOME="$PWD"
fi;
if test -z "$LC_ALL"; then
export LC_ALL="en_US.UTF-8"
fi;
svn export --trust-server-cert --non-interactive \
${ignoreExternals:+--ignore-externals} ${ignoreKeywords:+--ignore-keywords} \
-r "$rev" "$url" "$out"