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tailscale/version/mkversion.sh

102 lines
2.5 KiB
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#!/bin/sh
set -eu
mode=$1
describe=$2
long() {
ver="${describe#v}"
stem="${ver%%-*}"
case "$stem" in
*.*.*)
# Full SemVer, nothing to do.
semver="${stem}"
;;
*.*)
# Old style major.minor, add a .0
semver="${stem}.0"
;;
*)
echo "Unparseable version $stem" >&2
exit 1
;;
esac
suffix="${ver#$stem}"
case "$suffix" in
-*-*)
# Has a change count in addition to the commit hash.
;;
-*)
# Missing change count, add one.
suffix="-0${suffix}"
;;
*)
echo "Unexpected version suffix" >&2
exit 1
esac
echo "${semver}${suffix}"
}
short() {
ver="$(long)"
case "$ver" in
*-*-*)
echo "${ver%-*}"
;;
*-*)
echo "$ver"
;;
*)
echo "Long version in invalid format" >&2
exit 1
;;
esac
}
xcode() {
ver=$(short | sed -e 's/-/./')
major=$(echo "$ver" | cut -f1 -d.)
minor=$(echo "$ver" | cut -f2 -d.)
patch=$(echo "$ver" | cut -f3 -d.)
changecount=$(echo "$ver" | cut -f4 -d.)
# name should be like git-describe, but without the git suffix or
# the leading v. For example, for git-describe of
# "v0.100.0-15-gce1b52bb7" we want:
#
# VERSION_NAME = 0.100.0-15
# VERSION_ID = 100.100.15
name=$(echo "$describe" | sed -e 's/^v//' | sed -e 's/-g.*//' | sed -e 's/-0$//')
# Apple version numbers must be major.minor.patch. We have 4 fields
# because we need major.minor.patch for go module compatibility, and
# changecount for automatic version numbering of unstable builds. To
# resolve this, for Apple builds, we combine changecount into patch:
patch=$((patch*10000 + changecount))
# CFBundleShortVersionString: the "short name" used in the App Store.
# e.g. 0.92.98
echo "VERSION_NAME = $name"
# CFBundleVersion: the build number. Needs to be 3 numeric sections
# that increment for each release according to SemVer rules.
#
# We start counting at 100 because we submitted using raw build
# numbers before, and Apple doesn't let you start over.
# e.g. 0.98.3-123 -> 100.98.3123
major=$((major + 100))
echo "VERSION_ID = $major.$minor.$patch"
}
case "$mode" in
long)
long
;;
short)
short
;;
xcode)
xcode
;;
esac