Add readme/license, tweak build
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25
.travis.yml
25
.travis.yml
@ -1,33 +1,26 @@
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dist: trusty
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language: minimal
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services: docker
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sudo: required
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env:
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global:
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- CURL_VERSION='7.67.0'
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matrix:
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include:
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- env: ARCH='amd64' DOCKER_IMAGE='alpine'
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- env: ARCH='i386' DOCKER_IMAGE='i386/alpine'
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- env: ARCH='aarch64' DOCKER_IMAGE='alpine'
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arch: arm64
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script:
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- bash docker_build.sh "$CURL_VERSION"
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- ./docker_build.sh "$DOCKER_IMAGE" "$ARCH" "$CURL_VERSION"
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deploy:
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# TODO update `api_key.secure`
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# - Create a `public_repo` GitHub token. Go to: https://github.com/settings/tokens/new
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# - Encrypt it: `travis encrypt 0123456789012345678901234567890123456789
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# - Paste the output down here
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api_key:
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secure: $GITHUB_OAUTH
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file_glob: true
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file: curl
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file: curl*
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on:
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tags: true
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provider: releases
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skip_cleanup: true
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branches:
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only:
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# release tags
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- /^v\d+\.\d+\.\d+.*$/
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- master
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- travis
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- ci
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21
LICENSE.txt
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21
LICENSE.txt
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MIT License
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Copyright (c) 2019 Travis Burtrum
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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19
README.md
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19
README.md
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<img src="https://raw.githubusercontent.com/moparisthebest/static-curl/master/static-curl.svg?sanitize=true" alt="no not that kind" width="32" /> Static curl <img src="https://raw.githubusercontent.com/moparisthebest/static-curl/master/static-curl.svg?sanitize=true" alt="no not that kind" width="32" />
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-----------
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[![Travis-CI Build Status](https://api.travis-ci.org/moparisthebest/static-curl.svg?branch=master)](https://travis-ci.org/moparisthebest/static-curl)
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These are a couple simple scripts to build a fully static curl binary using an alpine linux docker container. Currently it is a minimal build with OpenSSL and only supporting HTTP and FTP. Tweak configure options in [build.sh](build.sh#L33) if you need something else (and/or suggest or PR).
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Grab the latest release (curl 7.67.0) from one of these links, by CPU architecture:
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- [curl-amd64](https://github.com/moparisthebest/static-curl/releases/download/v7.67.0/curl-amd64)
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- [curl-i386](https://github.com/moparisthebest/static-curl/releases/download/v7.67.0/curl-i386)
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- [curl-aarch64](https://github.com/moparisthebest/static-curl/releases/download/v7.67.0/curl-aarch64)
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Development
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-----------
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File explanation:
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- [build.sh](build.sh) - runs inside an alpine docker container, downloads curl, verifies it with gpg, and builds it
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- [docker_build.sh](docker_build.sh) - runs build.sh inside docker
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- [mykey.asc](mykey.asc) - Daniel Stenberg's [GPG key](https://daniel.haxx.se/address.html) used for signing/verifying curl releases
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- [bicep curl](https://thenounproject.com/term/curl/499187) by Laymik from [the Noun Project](https://thenounproject.com)
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20
build.sh
20
build.sh
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set -exu
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# change to the directory this script is in, we assume mykey.asc is there
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cd "$(dirname "$0")"
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# for gpg verification of the curl download below
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apk add gnupg
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wget https://curl.haxx.se/download/curl-${CURL_VERSION}.tar.gz https://curl.haxx.se/download/curl-${CURL_VERSION}.tar.gz.asc
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# convert mykey.asc to a .pgp file to use in verification
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gpg --no-default-keyring --yes -o ./curl.gpg --dearmor mykey.asc
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# this has a non-zero exit code if it fails, which will halt the script
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gpg --no-default-keyring --keyring ./curl.gpg --verify curl-${CURL_VERSION}.tar.gz.asc
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tar xzf curl-${CURL_VERSION}.tar.gz
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cd curl-${CURL_VERSION}/
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# dependencies to build curl
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apk add build-base clang openssl-dev
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# gcc is apparantly incapable of building a static binary, even gcc -static helloworld.c ends up linked to libc, instead of solving, use clang
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export CC=clang
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LDFLAGS="-static" PKG_CONFIG="pkg-config --static" ./configure --disable-shared --enable-static --disable-libcurl-option --without-brotli --disable-manual --disable-unix-sockets --disable-dict --disable-file --disable-gopher --disable-imap --disable-smtp --disable-rtsp --disable-telnet --disable-tftp --disable-pop3 --without-zlib --disable-threaded-resolver --disable-ipv6 --disable-smb --disable-ntlm-wb --disable-tls-srp
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# set up any required curl options here
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LDFLAGS="-static" PKG_CONFIG="pkg-config --static" ./configure --disable-shared --enable-static --disable-libcurl-option --without-brotli --disable-manual --disable-unix-sockets --disable-dict --disable-file --disable-gopher --disable-imap --disable-smtp --disable-rtsp --disable-telnet --disable-tftp --disable-pop3 --without-zlib --disable-threaded-resolver --disable-ipv6 --disable-smb --disable-ntlm-wb --disable-tls-srp --disable-crypto-auth
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make -j4 V=1 curl_LDFLAGS=-all-static
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# binary is ~13M before stripping, 2.6M after
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strip src/curl
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ls -lah src/curl; file src/curl
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# print out some info about this, size, and to ensure it's actually fully static
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ls -lah src/curl
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file src/curl
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ldd src/curl || true
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#./src/curl -v http://www.moparisthebest.com/; ./src/curl -v https://www.moparisthebest.com/ip
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cp src/curl /tmp/
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cd ..
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rm -rf curl-${CURL_VERSION}/
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# we only want to save curl here, by moving it to /tmp/ for now
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mv src/curl /tmp/
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@ -1,10 +1,20 @@
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#!/bin/sh
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rm -rf /tmp/static-curl/
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mkdir -p /tmp/static-curl/
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cp build.sh mykey.asc /tmp/static-curl/
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DOCKER_IMAGE="$1"
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shift
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ARCH="$1"
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shift
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CURL_VERSION="$1"
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docker run -it --rm -v /tmp/static-curl:/tmp alpine /tmp/build.sh
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BUILD_DIR=/tmp/static-curl/
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mv /tmp/static-curl/curl .
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rm -rf /tmp/static-curl/
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rm -rf "$BUILD_DIR"
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mkdir -p "$BUILD_DIR"
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cp build.sh mykey.asc "$BUILD_DIR"
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docker run --rm -v "$BUILD_DIR":/tmp "$DOCKER_IMAGE" /tmp/build.sh "$CURL_VERSION" || exit 1
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mv "$BUILD_DIR"curl "./curl-$ARCH"
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rm -rf "$BUILD_DIR" 2>/dev/null
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exit 0
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61
static-curl.svg
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61
static-curl.svg
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<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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<svg
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xmlns:dc="http://purl.org/dc/elements/1.1/"
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xmlns:cc="http://creativecommons.org/ns#"
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xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
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xmlns:svg="http://www.w3.org/2000/svg"
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xmlns="http://www.w3.org/2000/svg"
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xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
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xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
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version="1.1"
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x="0px"
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y="0px"
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viewBox="0 0 87.596748 89.035118"
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xml:space="preserve"
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id="svg16"
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sodipodi:docname="static-curl.svg"
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width="87.596748"
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height="89.035118"
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inkscape:version="0.92.4 5da689c313, 2019-01-14"><metadata
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id="metadata22"><rdf:RDF><cc:Work
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rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
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rdf:resource="http://purl.org/dc/dcmitype/StillImage" /><dc:title></dc:title></cc:Work></rdf:RDF></metadata><defs
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id="defs20" /><sodipodi:namedview
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pagecolor="#ffffff"
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bordercolor="#666666"
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borderopacity="1"
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objecttolerance="10"
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gridtolerance="10"
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guidetolerance="10"
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inkscape:pageopacity="0"
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inkscape:pageshadow="2"
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inkscape:window-width="1920"
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inkscape:window-height="1013"
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id="namedview18"
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showgrid="false"
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inkscape:zoom="1.888"
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inkscape:cx="-48.686715"
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inkscape:cy="35.735117"
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inkscape:window-x="0"
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inkscape:window-y="0"
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inkscape:window-maximized="1"
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inkscape:current-layer="svg16"
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fit-margin-top="0"
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fit-margin-left="0"
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fit-margin-right="0"
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