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| 1 | +#!/bin/sh |
| 2 | +# vim: softtabstop=2 shiftwidth=2 expandtab |
| 3 | + |
| 4 | +usage() { |
| 5 | + cat <<-EOF |
| 6 | + USAGE: $0 [options] |
| 7 | + |
| 8 | + OPTIONS |
| 9 | + -h |
| 10 | + Display this message and exit |
| 11 | + |
| 12 | + -u |
| 13 | + Update zbm-release and generate-zbm version information |
| 14 | + |
| 15 | + -v <version> |
| 16 | + Specify a particular version to use |
| 17 | + |
| 18 | + EOF |
| 19 | +} |
| 20 | + |
| 21 | +detect_version() { |
| 22 | + # If git-describe does the job, the job is done |
| 23 | + version="$(git describe --tags HEAD 2>/dev/null)" || version="" |
| 24 | + |
| 25 | + case "${version}" in |
| 26 | + v[0-9]*) version="${version#v}" |
| 27 | + esac |
| 28 | + |
| 29 | + if [ -n "${version}" ]; then |
| 30 | + echo "${version}" |
| 31 | + return 0 |
| 32 | + fi |
| 33 | + |
| 34 | + # Otherwise, use git-rev-parse if possible |
| 35 | + if branch="$(git rev-parse --abbrev-rev HEAD 2>/dev/null)"; then |
| 36 | + case "${branch}" in |
| 37 | + v[0-9]*) branch="${branch#v}" |
| 38 | + esac |
| 39 | + |
| 40 | + hash="$(git rev-parse --short HEAD 2>/dev/null)" || hash="" |
| 41 | + [ -n "${hash}" ] && version="${branch:-UNKNOWN} (${hash})" |
| 42 | + |
| 43 | + if [ -n "${version}" ]; then |
| 44 | + echo "${version}" |
| 45 | + return 0 |
| 46 | + fi |
| 47 | + fi |
| 48 | + |
| 49 | + # Everything fell apart, so just try reading zbm-release |
| 50 | + relfile="zfsbootmenu/zbm-release" |
| 51 | + if [ -r "${relfile}" ]; then |
| 52 | + # shellcheck disable=SC2153 |
| 53 | + # shellcheck disable=SC1090 |
| 54 | + version="$( . "${relfile}" 2>/dev/null && echo "${VERSION}" )" || version="" |
| 55 | + |
| 56 | + if [ -n "${version}" ]; then |
| 57 | + echo "${version}" |
| 58 | + return 0 |
| 59 | + fi |
| 60 | + fi |
| 61 | + |
| 62 | + # If there is no zbm-release, look to generate-zbm |
| 63 | + genzbm="bin/generate-zbm" |
| 64 | + if [ -r "${genzbm}" ]; then |
| 65 | + # shellcheck disable=SC2016 |
| 66 | + if verline="$(grep 'our $VERSION[[:space:]]*=' "${genzbm}")"; then |
| 67 | + version="$(echo "${verline}" | head -n1 | sed -e "s/.*=[[:space:]]*['\"]//" -e "s/['\"].*//")" || version="" |
| 68 | + if [ -n "${version}" ]; then |
| 69 | + echo "${version}" |
| 70 | + return 0 |
| 71 | + fi |
| 72 | + fi |
| 73 | + fi |
| 74 | + |
| 75 | + # There is apparently no version |
| 76 | + echo "UNKNOWN" |
| 77 | + return 1 |
| 78 | +} |
| 79 | + |
| 80 | +update_version() { |
| 81 | + version="${1?a version is required}" |
| 82 | + |
| 83 | + # Write zbm-release |
| 84 | + if [ -d zfsbootmenu ] && [ -w zfsbootmenu ]; then |
| 85 | + echo "Updating zfsbootmenu/zbm-release" |
| 86 | + cat > zfsbootmenu/zbm-release <<-EOF |
| 87 | + NAME="ZFSBootMenu" |
| 88 | + PRETTY_NAME="ZFSBootMenu" |
| 89 | + ID="zfsbootmenu" |
| 90 | + ID_LIKE="void" |
| 91 | + HOME_URL="https://zfsbootmenu.org" |
| 92 | + DOCUMENTATION_URL="https://docs.zfsbootmenu.org" |
| 93 | + BUG_REPORT_URL="https://github.com/zbm-dev/zfsbootmenu/issues" |
| 94 | + SUPPORT_URL="https://github.com/zbm-dev/zfsbootmenu/discussions" |
| 95 | + VERSION="${version}" |
| 96 | + EOF |
| 97 | + fi |
| 98 | + |
| 99 | + # Update generate-zbm |
| 100 | + if [ -w bin/generate-zbm ]; then |
| 101 | + echo "Updating bin/generate-zbm" |
| 102 | + sed -e "s/our \$VERSION.*/our \$VERSION = '${version}';/" -i bin/generate-zbm |
| 103 | + fi |
| 104 | +} |
| 105 | + |
| 106 | +version= |
| 107 | +update= |
| 108 | +while getopts "huv:" opt; do |
| 109 | + case "${opt}" in |
| 110 | + u) |
| 111 | + update="yes" |
| 112 | + ;; |
| 113 | + v) |
| 114 | + version="${OPTARG}" |
| 115 | + ;; |
| 116 | + h) |
| 117 | + usage |
| 118 | + exit 0 |
| 119 | + ;; |
| 120 | + *) |
| 121 | + usage >&2 |
| 122 | + exit 1 |
| 123 | + ;; |
| 124 | + esac |
| 125 | +done |
| 126 | + |
| 127 | +[ -n "${version}" ] || version="$(detect_version)" |
| 128 | + |
| 129 | +if [ "${update}" = yes ]; then |
| 130 | + update_version "${version}" |
| 131 | +else |
| 132 | + echo "ZFSBootMenu version: ${version}" |
| 133 | +fi |
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