caddy/build.bash
2016-03-20 14:13:50 -06:00

53 lines
1.2 KiB
Bash
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#!/usr/bin/env bash
#
# Caddy build script. Automates proper versioning.
#
# Usage:
#
# $ ./build.bash [output_filename]
#
# Outputs compiled program in current directory.
# Default file name is 'ecaddy'.
set -euo pipefail
: ${output_filename:="${1:-}"}
: ${output_filename:="ecaddy"}
pkg=main
ldflags=()
# Timestamp of build
name="${pkg}.buildDate"
value=$(date -u +"%a %b %d %H:%M:%S %Z %Y")
ldflags+=("-X" "\"${name}=${value}\"")
# Current tag, if HEAD is on a tag
name="${pkg}.gitTag"
set +e
value="$(git describe --exact-match HEAD 2>/dev/null)"
set -e
ldflags+=("-X" "\"${name}=${value}\"")
# Nearest tag on branch
name="${pkg}.gitNearestTag"
value="$(git describe --abbrev=0 --tags HEAD)"
ldflags+=("-X" "\"${name}=${value}\"")
# Commit SHA
name="${pkg}.gitCommit"
value="$(git rev-parse --short HEAD)"
ldflags+=("-X" "\"${name}=${value}\"")
# Summary of uncommitted changes
name="${pkg}.gitShortStat"
value="$(git diff-index --shortstat HEAD)"
ldflags+=("-X" "\"${name}=${value}\"")
# List of modified files
name="${pkg}.gitFilesModified"
value="$(git diff-index --name-only HEAD)"
ldflags+=("-X" "\"${name}=${value}\"")
go build -ldflags "${ldflags[*]}" -o "${output_filename}"