88 lines
2.5 KiB
Bash
88 lines
2.5 KiB
Bash
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#!/usr/bin/env bash
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set -e
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# This is not portable. It has bashisms.
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BUILD_TIME="$(date '+%s')"
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BUILD_USER="$(whoami)"
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BUILD_SUDO_USER="${SUDO_USER}"
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BUILD_HOST="$(hostname)"
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# Check to make sure git is available.
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if ! command -v git &> /dev/null;
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then
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echo "Git is not available; automatic version handling unsupported."
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echo "You must build by calling 'go build' directly in the respective directories."
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exit 0
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fi
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# Check git directory/repository.
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if ! git rev-parse --is-inside-work-tree &>/dev/null;
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then
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echo "Not running inside a git work tree; automatic version handling unsupported/build script unsupported."
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echo "You must build by calling 'go build' directly in the respective directories instead."
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exit 0
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fi
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# If it has a tag in the path of the current HEAD that matches a version string...
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# I wish git describe supported regex. It does not; only globs. Gross.
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# If there's a bug anywhere, it's here.
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if git describe --tags --abbrev=0 --match "v[0-9]*" HEAD &> /dev/null;
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then
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# It has a tag we can use.
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CURRENT_VER="$(git describe --tags --abbrev=0 --match "v[0-9]*" HEAD)"
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COMMITS_SINCE="$(git rev-list --count ${CURRENT_VER}..HEAD)"
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else
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# No tag available.
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CURRENT_VER=""
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COMMITS_SINCE=""
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fi
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# If it's dirty (staged but not committed or unstaged files)...
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if ! git diff-index --quiet HEAD;
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then
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# It's dirty.
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IS_DIRTY="1"
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else
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# It's clean.
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IS_DIRTY="0"
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fi
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# Get the commit hash of the *most recent* commit in the path of current HEAD...
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CURRENT_HASH="$(git rev-parse --verify HEAD)"
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# The same as above, but abbreviated.
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CURRENT_SHORT="$(git rev-parse --verify --short HEAD)"
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# Get the module name.
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MODPATH="$(sed -n -re 's@^\s*module\s+(.*)(//.*)?$@\1@p' go.mod)"
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# Build the ldflags string.
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# BEHOLD! BASH WITCHCRAFT.
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LDFLAGS_STR="\
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-X '${MODPATH}/version.sourceControl=git' \
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-X '${MODPATH}/version.version=${CURRENT_VER}' \
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-X '${MODPATH}/version.commitHash=${CURRENT_HASH}' \
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-X '${MODPATH}/version.commitShort=${CURRENT_SHORT}' \
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-X '${MODPATH}/version.numCommitsAfterTag=${COMMITS_SINCE}' \
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-X '${MODPATH}/version.isDirty=${IS_DIRTY}' \
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-X '${MODPATH}/version.buildTime=${BUILD_TIME}' \
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-X '${MODPATH}/version.buildUser=${BUILD_USER}' \
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-X '${MODPATH}/version.buildSudoUser=${BUILD_SUDO_USER}' \
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-X '${MODPATH}/version.buildHost=${BUILD_HOST}'"
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# And finally build.
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mkdir -p ./bin/
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export CGO_ENABLED=0
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cmd="gobroke"
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# Linux
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echo -n "Building ./bin/${cmd}..."
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go build \
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-o "./bin/${cmd}" \
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-ldflags \
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"${LDFLAGS_STR}" \
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cmd/${cmd}/*.go
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echo " Done."
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echo "Build complete."
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