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489 lines
14 KiB
Bash
489 lines
14 KiB
Bash
#!/bin/sh
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#
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# Type `build -h` for help and see https://github.com/romkatv/gitstatus
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# for full documentation.
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set -ue
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if [ -n "${ZSH_VERSION:-}" ]; then
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emulate sh -o err_exit -o no_unset
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fi
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usage="$(command cat <<\END
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Usage: build [-m ARCH] [-c CPU] [-d CMD] [-i IMAGE] [-s] [-w]
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Options:
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-m ARCH `uname -m` from the target machine; defaults to `uname -m`
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from the local machine
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-c CPU generate machine instructions for CPU of this type; this
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value gets passed as `-march` to gcc; inferred from ARCH
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if not set explicitly
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-d CMD build in a Docker container and use CMD as the `docker`
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command; e.g., `-d docker` or `-d podman`
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-i IMAGE build in this Docker image; inferred from ARCH if not set
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explicitly
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-s install whatever software is necessary for build to
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succeed; on some operating systems this option is not
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supported; on others it can have partial effect
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-w automatically download tarballs for dependencies if they
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don't already exist in ./deps; dependencies are described
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in ./build.info
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END
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)"
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build="$(command cat <<\END
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outdir="$(command pwd)"
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if command -v mktemp >/dev/null 2>&1; then
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workdir="$(command mktemp -d "${TMPDIR:-/tmp}"/gitstatus-build.XXXXXXXXXX)"
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else
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workdir="${TMPDIR:-/tmp}/gitstatus-build.tmp.$$"
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command mkdir -- "$workdir"
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fi
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cd -- "$workdir"
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workdir="$(command pwd)"
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narg() { echo $#; }
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if [ "$(narg $workdir)" != 1 -o -z "${workdir##*:*}" ]; then
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>&2 echo "[error] cannot build in this directory: $workdir"
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exit 1
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fi
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appname=gitstatusd-"$gitstatus_kernel"-"$gitstatus_arch"
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libgit2_tmp="$outdir"/deps/"$appname".libgit2.tmp
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cleanup() {
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cd /
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command rm -rf -- "$workdir" "$outdir"/usrbin/"$appname".tmp "$libgit2_tmp"
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trap - INT QUIT TERM ILL PIPE
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}
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trap cleanup INT QUIT TERM ILL PIPE
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if [ -n "$gitstatus_install_tools" ]; then
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case "$gitstatus_kernel" in
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linux)
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command apk update
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command apk add binutils cmake gcc g++ git make musl-dev perl-utils
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;;
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freebsd)
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command pkg install -y cmake gmake binutils gcc git perl5
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;;
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netbsd)
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command pkgin -y install cmake gmake binutils git
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;;
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darwin)
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if ! command -v make >/dev/null 2>&1 || ! command -v gcc >/dev/null 2>&1; then
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>&2 echo "[error] please run 'xcode-select --install' and retry"
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exit 1
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fi
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if ! command -v brew >/dev/null 2>&1; then
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>&2 echo "[error] please install homebrew from https://brew.sh/ and retry"
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exit 1
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fi
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for formula in libiconv cmake git wget; do
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if command brew list "$formula" &>/dev/null; then
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command brew upgrade "$formula"
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else
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command brew install "$formula"
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fi
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done
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;;
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msys*|mingw*)
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command pacman -Syu --noconfirm
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command pacman -S --needed --noconfirm binutils cmake gcc git make perl
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;;
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*)
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>&2 echo "[internal error] unhandled kernel: $gitstatus_kernel"
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exit 1
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;;
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esac
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fi
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cpus="$(command getconf _NPROCESSORS_ONLN 2>/dev/null)" ||
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cpus="$(command sysctl -n hw.ncpu 2>/dev/null)" ||
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cpus=8
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libgit2_cmake_flags=
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libgit2_cflags="-march=$gitstatus_cpu"
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gitstatus_cxx=g++
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gitstatus_cxxflags="-I${workdir}/libgit2/include -DGITSTATUS_ZERO_NSEC -D_GNU_SOURCE -march=$gitstatus_cpu"
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gitstatus_ldflags="-L${workdir}/libgit2/build"
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gitstatus_ldlibs=
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gitstatus_make=make
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case "$gitstatus_kernel" in
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linux)
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gitstatus_ldflags="$gitstatus_ldflags -static"
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;;
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freebsd)
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gitstatus_make=gmake
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gitstatus_ldflags="$gitstatus_ldflags -static"
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;;
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netbsd)
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gitstatus_make=gmake
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gitstatus_ldflags="$gitstatus_ldflags -static"
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;;
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darwin)
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command mkdir -- "$workdir"/lib
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command ln -s -- /usr/local/opt/libiconv/lib/libiconv.a "$workdir"/lib
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libgit2_cmake_flags="$libgit2_cmake_flags -DUSE_ICONV=ON"
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libgit2_cflags="$libgit2_cflags -I/usr/local/opt/libiconv/include"
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gitstatus_cxxflags="$gitstatus_cxxflags -I/usr/local/opt/libiconv/include"
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gitstatus_ldlibs="$gitstatus_ldlibs -liconv"
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gitstatus_ldflags="$gitstatus_ldflags -L${workdir}/lib"
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;;
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msys*|mingw*)
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gitstatus_ldflags="$gitstatus_ldflags -static"
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;;
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cygwin*)
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gitstatus_ldflags="$gitstatus_ldflags -static"
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;;
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*)
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>&2 echo "[internal error] unhandled kernel: $gitstatus_kernel"
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exit 1
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;;
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esac
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for cmd in cat cmake gcc g++ git ld ln mkdir rm strip tar "$gitstatus_make"; do
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if ! command -v "$cmd" >/dev/null 2>&1; then
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if [ -n "$gitstatus_install_tools" ]; then
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>&2 echo "[internal error] $cmd not found"
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exit 1
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else
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>&2 echo "[error] command not found: $cmd"
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exit 1
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fi
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fi
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done
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. "$outdir"/build.info
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if [ -z "${libgit2_version:-}" ]; then
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>&2 echo "[internal error] libgit2_version not set"
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exit 1
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fi
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if [ -z "${libgit2_sha256:-}" ]; then
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>&2 echo "[internal error] libgit2_sha256 not set"
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exit 1
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fi
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libgit2_tarball="$outdir"/deps/libgit2-"$libgit2_version".tar.gz
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if [ ! -e "$libgit2_tarball" ]; then
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if [ -n "$gitstatus_download_deps" ]; then
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if ! command -v wget >/dev/null 2>&1; then
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if [ -n "$gitstatus_install_tools" ]; then
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>&2 echo "[internal error] wget not found"
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exit 1
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else
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>&2 echo "[error] command not found: wget"
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exit 1
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fi
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fi
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libgit2_url=https://github.com/romkatv/libgit2/archive/"$libgit2_version".tar.gz
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command wget -O "$libgit2_tmp" -- "$libgit2_url"
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command mv -f -- "$libgit2_tmp" "$libgit2_tarball"
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else
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>&2 echo "[error] file not found: deps/libgit2-"$libgit2_version".tar.gz"
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exit 1
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fi
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fi
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libgit2_actual_sha256=
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if command -v shasum >/dev/null 2>/dev/null; then
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libgit2_actual_sha256="$(command shasum -b -a 256 -- "$libgit2_tarball")"
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libgit2_actual_sha256="${libgit2_actual_sha256%% *}"
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elif command -v sha256sum >/dev/null 2>/dev/null; then
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libgit2_actual_sha256="$(command sha256sum -b -- "$libgit2_tarball")"
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libgit2_actual_sha256="${libgit2_actual_sha256%% *}"
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elif command -v sha256 >/dev/null 2>/dev/null; then
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libgit2_actual_sha256="$(command sha256 -- "$libgit2_tarball" </dev/null)"
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# Ignore sha256 output if it's from hashalot. It's incompatible.
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if [ ${#libgit2_actual_sha256} -lt 64 ]; then
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libgit2_actual_sha256=
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else
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libgit2_actual_sha256="${libgit2_actual_sha256##* }"
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fi
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fi
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if [ -z "$libgit2_actual_sha256" ]; then
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>&2 echo "[error] command not found: shasum or sha256sum"
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exit 1
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fi
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if [ "$libgit2_actual_sha256" != "$libgit2_sha256" ]; then
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>&2 echo "[error] sha256 mismatch"
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>&2 echo ""
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>&2 echo " file : deps/libgit2-$libgit2_version.tar.gz"
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>&2 echo " expected: $libgit2_sha256"
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>&2 echo " actual : $libgit2_actual_sha256"
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exit 1
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fi
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cd -- "$workdir"
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command tar -xzf "$libgit2_tarball"
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command mv -- libgit2-"$libgit2_version" libgit2
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command mkdir libgit2/build
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cd libgit2/build
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CFLAGS="$libgit2_cflags" command cmake \
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-DCMAKE_BUILD_TYPE=Release \
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-DZERO_NSEC=ON \
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-DTHREADSAFE=ON \
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-DUSE_BUNDLED_ZLIB=ON \
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-DREGEX_BACKEND=builtin \
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-DUSE_HTTP_PARSER=builtin \
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-DUSE_SSH=OFF \
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-DUSE_HTTPS=OFF \
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-DBUILD_CLAR=OFF \
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-DUSE_GSSAPI=OFF \
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-DUSE_NTLMCLIENT=OFF \
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-DBUILD_SHARED_LIBS=OFF \
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-DENABLE_REPRODUCIBLE_BUILDS=OFF \
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$libgit2_cmake_flags \
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..
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command make -j "$cpus" VERBOSE=1
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APPNAME="$appname".tmp \
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OBJDIR="$workdir"/gitstatus \
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CXX="$gitstatus_cxx" \
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CXXFLAGS="$gitstatus_cxxflags" \
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LDFLAGS="$gitstatus_ldflags" \
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LDLIBS="$gitstatus_ldlibs" \
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command "$gitstatus_make" -C "$outdir" -j "$cpus"
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app="$outdir"/usrbin/"$appname"
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command strip "$app".tmp
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command mkdir -- "$workdir"/repo
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command git -C "$workdir"/repo init --
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command git -C "$workdir"/repo config user.email "you@example.com"
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command git -C "$workdir"/repo commit --allow-empty --allow-empty-message -m ''
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resp="$(printf "hello\037$workdir/repo\036" | "$app".tmp)"
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[ -n "$resp" -a -z "${resp##hello*1*$workdir/repo*master*}" ]
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resp="$(printf 'hello\037\036' | "$app".tmp)"
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[ -n "$resp" -a -z "${resp##hello*0*}" ]
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command mv -f -- "$app".tmp "$app"
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cleanup
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command cat >&2 <<-END
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-------------------------------------------------
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SUCCESS: created usrbin/$appname
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END
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END
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)"
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docker_image=
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docker_cmd=
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gitstatus_arch=
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gitstatus_cpu=
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gitstatus_install_tools=
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gitstatus_download_deps=
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while getopts ':m:c:i:d:swh' opt "$@"; do
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case "$opt" in
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h)
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printf '%s\n' "$usage"
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exit
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;;
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m)
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if [ -n "$gitstatus_arch" ]; then
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>&2 echo "[error] duplicate option: -$opt"
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exit 1
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fi
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if [ -z "$OPTARG" ]; then
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>&2 echo "[error] incorrect value of -$opt: $OPTARG"
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exit 1
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fi
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gitstatus_arch="$OPTARG"
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;;
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c)
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if [ -n "$gitstatus_cpu" ]; then
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>&2 echo "[error] duplicate option: -$opt"
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exit 1
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fi
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if [ -z "$OPTARG" ]; then
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>&2 echo "[error] incorrect value of -$opt: $OPTARG"
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exit 1
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fi
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gitstatus_cpu="$OPTARG"
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;;
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i)
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if [ -n "$docker_image" ]; then
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>&2 echo "[error] duplicate option: -$opt"
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exit 1
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fi
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if [ -z "$OPTARG" ]; then
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>&2 echo "[error] incorrect value of -$opt: $OPTARG"
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exit 1
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fi
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docker_image="$OPTARG"
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;;
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d)
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if [ -n "$docker_cmd" ]; then
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>&2 echo "[error] duplicate option: -$opt"
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exit 1
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fi
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if [ -z "$OPTARG" ]; then
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>&2 echo "[error] incorrect value of -$opt: $OPTARG"
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exit 1
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fi
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docker_cmd="$OPTARG"
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;;
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s)
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if [ -n "$gitstatus_install_tools" ]; then
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>&2 echo "[error] duplicate option: -$opt"
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exit 1
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fi
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gitstatus_install_tools=1
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;;
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w)
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if [ -n "$gitstatus_download_deps" ]; then
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>&2 echo "[error] duplicate option: -$opt"
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exit 1
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fi
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gitstatus_download_deps=1
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;;
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\?) >&2 echo "[error] invalid option: -$OPTARG" ; exit 1;;
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:) >&2 echo "[error] missing required argument: -$OPTARG"; exit 1;;
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*) >&2 echo "[internal error] unhandled option: -$opt" ; exit 1;;
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esac
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done
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if [ "$OPTIND" -le $# ]; then
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>&2 echo "[error] unexpected positional argument"
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exit 1
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fi
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if [ -n "$docker_image" -a -z "$docker_cmd" ]; then
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>&2 echo "[error] cannot use -i without -d"
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exit 1
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fi
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if [ -z "$gitstatus_arch" ]; then
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gitstatus_arch="$(uname -m)"
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gitstatus_arch="$(printf '%s' "$gitstatus_arch" | tr '[A-Z]' '[a-z]')"
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fi
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if [ -z "$gitstatus_cpu" ]; then
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case "$gitstatus_arch" in
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armv6l) gitstatus_cpu=armv6;;
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armv7l) gitstatus_cpu=armv7;;
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aarch64) gitstatus_cpu=armv8-a;;
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x86_64|amd64) gitstatus_cpu=x86-64;;
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i386|i586|i686) gitstatus_cpu="$gitstatus_arch";;
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*)
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>&2 echo '[error] unable to infer target CPU architecture'
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>&2 echo 'Please specify explicitly with `-c CPU`.'
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exit 1
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;;
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esac
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fi
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gitstatus_kernel="$(uname -s)"
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gitstatus_kernel="$(printf '%s' "$gitstatus_kernel" | tr '[A-Z]' '[a-z]')"
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case "$gitstatus_kernel" in
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linux)
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if [ -n "$docker_cmd" ]; then
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if [ -z "${docker_cmd##*/*}" ]; then
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if [ ! -x "$docker_cmd" ]; then
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>&2 echo "[error] not an executable file: $docker_cmd"
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exit 1
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fi
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else
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if ! command -v "$docker_cmd" >/dev/null 2>&1; then
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>&2 echo "[error] command not found: $docker_cmd"
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exit 1
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fi
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fi
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if [ -z "$docker_image" ]; then
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case "$gitstatus_arch" in
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x86_64) docker_image=alpine:3.11.6;;
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i386|i586|i686) docker_image=i386/alpine:3.11.6;;
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armv6l) docker_image=arm32v6/alpine:3.11.6;;
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armv7l) docker_image=arm32v7/alpine:3.11.6;;
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aarch64) docker_image=arm64v8/alpine:3.11.6;;
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*)
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>&2 echo '[error] unable to infer docker image'
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>&2 echo 'Please specify explicitly with `-i IMAGE`.'
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exit 1
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;;
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esac
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fi
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elif [ -n "$gitstatus_install_tools" ]; then
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>&2 echo '[error] -s without -d is not supported on linux'
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exit 1
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fi
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;;
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freebsd|netbsd|darwin)
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if [ -n "$docker_cmd" ]; then
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>&2 echo "[error] docker (-d) is not supported on $gitstatus_kernel"
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exit 1
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fi
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;;
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msys_nt-*|mingw32_nt-*|mingw64_nt-*|cygwin_nt-*)
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if ! printf '%s' "$gitstatus_kernel" | grep -Eqx '[^-]+-[0-9]+\.[0-9]+(-.*)?'; then
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>&2 echo '[error] unsupported kernel, sorry!'
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exit 1
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fi
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gitstatus_kernel="$(printf '%s' "$gitstatus_kernel" | sed 's/^\([^-]*-[0-9]*\.[0-9]*\).*/\1/')"
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if [ -n "$docker_cmd" ]; then
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>&2 echo '[error] docker (-d) is not supported on windows'
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exit 1
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fi
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if [ -n "$gitstatus_install_tools" -a -z "${gitstatus_kernel##cygwin_nt-*}" ]; then
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>&2 echo '[error] -s is not supported on cygwin'
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exit 1
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fi
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;;
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*)
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>&2 echo '[error] unsupported kernel, sorry!'
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exit 1
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;;
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esac
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dir="$(dirname -- "$0")"
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cd -- "$dir"
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dir="$(pwd)"
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>&2 echo "Building gitstatusd..."
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>&2 echo ""
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>&2 echo " kernel := $gitstatus_kernel"
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>&2 echo " arch := $gitstatus_arch"
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>&2 echo " cpu := $gitstatus_cpu"
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[ -z "$docker_cmd" ] || >&2 echo " docker command := $docker_cmd"
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[ -z "$docker_image" ] || >&2 echo " docker image := $docker_image"
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if [ -n "$gitstatus_install_tools" ]; then
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>&2 echo " install tools := yes"
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else
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>&2 echo " install tools := no"
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fi
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if [ -n "$gitstatus_download_deps" ]; then
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>&2 echo " download deps := yes"
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else
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>&2 echo " download deps := no"
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fi
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if [ -n "$docker_cmd" ]; then
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"$docker_cmd" run \
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-e gitstatus_kernel="$gitstatus_kernel" \
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-e gitstatus_arch="$gitstatus_arch" \
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-e gitstatus_cpu="$gitstatus_cpu" \
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-e gitstatus_install_tools="$gitstatus_install_tools" \
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-e gitstatus_download_deps="$gitstatus_download_deps" \
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-v "$dir":/out \
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-w /out \
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--rm \
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-- "$docker_image" /bin/sh -uexc "$build"
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else
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eval "$build"
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fi
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