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94 lines
3.1 KiB
94 lines
3.1 KiB
4 months ago
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#! /bin/bash
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#
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# Sets the current directory as Android build output directory for a
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# given target by writing the "prefix script" to it. Commands prefixed
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# by this script are executed in the Android build environment. E.g.,
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# running
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# ./run <command>
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# runs <command> as if we issued
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# cd <source>
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# mount --bind <build dir> out
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# . build/envsetup.sh
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# lunch <config>
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# <command>
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# exit
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#
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# This arrangement eliminates the need to issue envsetup/lunch commands
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# manually, and allows to run multiple builds from the same shell.
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# Thus, if your source tree is in ~/aosp and you are building for
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# 'blueline' and 'cuttlefish', issuing
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# cd /sdx/blueline && \
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# ~/aosp/build/soong/scripts/setup-android-build.sh aosp_blueline-userdebug
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# cd /sdx/cuttlefish && \
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# ~/aosp/build/soong/scripts/setup-android-build.sh aosp_cf_arm64_phone-userdebug
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# sets up build directories in /sdx/blueline and /sdx/cuttlefish respectively.
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# After that, issue
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# /sdx/blueline/run m
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# to build blueline image, and issue
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# /sdx/cuttlefish atest CtsSecurityBulletinHostTestCases
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# to run CTS tests. Notice there is no need to change to a specific directory for that.
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#
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# Argument:
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# * configuration (one of those shown by `lunch` command).
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#
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set -e
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function die() { printf "$@"; exit 1; }
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# Find out where the source tree using the fact that we are in its
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# build/ subdirectory.
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[[ "$(uname)" == Linux ]] || die "This setup runs only on Linux\n"
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declare -r mydir="${0%/*}"
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declare -r source="${mydir%/build/soong/scripts}"
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[[ "/${mydir}/" =~ '/build/soong/scripts/' ]] || \
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die "$0 should be in build/soong/scripts/ subdirectory of the source tree\n"
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[[ ! -e .repo && ! -e .git ]] || \
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die "Current directory looks like source. You should be in the _target_ directory.\n"
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# Do not override old run script.
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if [[ -x ./run ]]; then
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# Set variables from config=xxx and source=xxx comments in the existing script.
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. <(sed -nr 's/^# *source=(.*)/oldsource=\1/p;s/^# *config=(.*)/oldconfig=\1/p' run)
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die "This directory has been already set up to build Android for %s from %s.\n\
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Remove 'run' file if you want to set it up afresh\n" "$oldconfig" "$oldsource"
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fi
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(($#<2)) || die "usage: %s [<config>]\n" $0
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if (($#==1)); then
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# Configuration is provided, emit run script.
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declare -r config="$1"
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declare -r target="$PWD"
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cat >./run <<EOF
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#! /bin/bash
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# source=$source
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# config=$config
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declare -r cmd=\$(printf ' %q' "\$@")
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"$source/prebuilts/build-tools/linux-x86/bin/nsjail"\
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-Mo -q -e -t 0\
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-EANDROID_QUIET_BUILD=true \
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-B / -B "$target:$source/out"\
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--cwd "$source"\
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--skip_setsid \
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--keep_caps\
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--disable_clone_newcgroup\
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--disable_clone_newnet\
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--rlimit_as soft\
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--rlimit_core soft\
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--rlimit_cpu soft\
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--rlimit_fsize soft\
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--rlimit_nofile soft\
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--proc_rw\
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--hostname $(hostname) \
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--\
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/bin/bash -i -c ". build/envsetup.sh && lunch "$config" &&\$cmd"
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EOF
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chmod +x ./run
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else
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# No configuration, show available ones.
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printf "Please specify build target. Common values:\n"
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(cd "$source"
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. build/envsetup.sh
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get_build_var COMMON_LUNCH_CHOICES | tr ' ' '\n' | pr -c4 -tT -W"$(tput cols)"
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)
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exit 1
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fi
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