116 lines
3.1 KiB
Bash
116 lines
3.1 KiB
Bash
#!/bin/sh
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# AdGuard Home Build Script
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#
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# The commentary in this file is written with the assumption that the
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# reader only has superficial knowledge of the POSIX shell language and
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# alike. Experienced readers may find it overly verbose.
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# The default verbosity level is 0. Show every command that is run and
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# every package that is processed if the caller requested verbosity
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# level greater than 0. Also show subcommands if the requested
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# verbosity level is greater than 1. Otherwise, do nothing.
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readonly verbose="${VERBOSE:-0}"
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if [ "$verbose" -gt '1' ]
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then
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env
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set -x
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readonly v_flags='-v'
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readonly x_flags='-x'
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elif [ "$verbose" -gt '0' ]
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then
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set -x
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readonly v_flags='-v'
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readonly x_flags=''
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else
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set +x
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readonly v_flags=''
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readonly x_flags=''
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fi
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# Exit the script if a pipeline fails (-e), prevent accidental filename
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# expansion (-f), and consider undefined variables as errors (-u).
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set -e -f -u
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# Allow users to set the Go version.
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readonly go="${GO:-go}"
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# Require the channel to be set and validate the value.
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readonly channel="$CHANNEL"
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case "$channel"
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in
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('development'|'edge'|'beta'|'release')
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# All is well, go on.
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;;
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(*)
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echo "invalid channel '$channel', supported values are\
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'development', 'edge', 'beta', and 'release'" 1>&2
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exit 1
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;;
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esac
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# Require the version to be set.
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#
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# TODO(a.garipov): Additional validation?
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readonly version="$VERSION"
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# Set date and time of the current build unless already set.
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readonly buildtime="${BUILD_TIME:-$( date -u +%FT%TZ%z )}"
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# Set the linker flags accordingly: set the release channel and the
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# current version as well as goarm and gomips variable values, if the
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# variables are set and are not empty.
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readonly version_pkg='github.com/AdguardTeam/AdGuardHome/internal/version'
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ldflags="-s -w"
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ldflags="${ldflags} -X ${version_pkg}.version=${version}"
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ldflags="${ldflags} -X ${version_pkg}.channel=${channel}"
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ldflags="${ldflags} -X ${version_pkg}.buildtime=${buildtime}"
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if [ "${GOARM:-}" != '' ]
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then
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ldflags="${ldflags} -X ${version_pkg}.goarm=${GOARM}"
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elif [ "${GOMIPS:-}" != '' ]
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then
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ldflags="${ldflags} -X ${version_pkg}.gomips=${GOMIPS}"
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fi
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# Allow users to limit the build's parallelism.
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readonly parallelism="${PARALLELISM:-}"
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if [ "$parallelism" != '' ]
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then
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readonly par_flags="-p ${parallelism}"
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else
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readonly par_flags=''
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fi
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# Allow users to specify a different output name.
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readonly out="${OUT:-}"
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if [ "$out" != '' ]
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then
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readonly out_flags="-o ${out}"
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else
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readonly out_flags=''
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fi
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# Allow users to enable the race detector. Unfortunately, that means
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# that CGo must be enabled.
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readonly race="${RACE:-0}"
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if [ "$race" = '0' ]
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then
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readonly cgo_enabled='0'
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readonly race_flags=''
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else
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readonly cgo_enabled='1'
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readonly race_flags='--race'
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fi
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export CGO_ENABLED="$cgo_enabled"
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export GO111MODULE='on'
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readonly build_flags="${BUILD_FLAGS:-$race_flags --trimpath $out_flags $par_flags $v_flags $x_flags}"
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# Don't use quotes with flag variables to get word splitting.
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"$go" generate $v_flags $x_flags ./main.go
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# Don't use quotes with flag variables to get word splitting.
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"$go" build --ldflags "$ldflags" $build_flags
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