build: follow semantic versioning for -dev versions

The new version format is 0.2.0-dev.76+d1cf95b which is compliant to the
semantic versioning 2.0.0 spec and sorts better than the old format.
This commit is contained in:
Isaac Freund 2022-05-16 22:34:43 +02:00
parent 7122df7ec4
commit 7c440b834e
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@ -55,15 +55,24 @@ pub fn build(b: *zbs.Builder) !void {
const full_version = blk: { const full_version = blk: {
if (mem.endsWith(u8, version, "-dev")) { if (mem.endsWith(u8, version, "-dev")) {
var ret: u8 = undefined; var ret: u8 = undefined;
const git_dir = try fs.path.join(b.allocator, &[_][]const u8{ b.build_root, ".git" });
const git_commit_hash = b.execAllowFail( const git_describe_long = b.execAllowFail(
&[_][]const u8{ "git", "--git-dir", git_dir, "--work-tree", b.build_root, "rev-parse", "--short", "HEAD" }, &[_][]const u8{ "git", "-C", b.build_root, "describe", "--long" },
&ret, &ret,
.Inherit, .Inherit,
) catch break :blk version; ) catch break :blk version;
break :blk try std.fmt.allocPrintZ(b.allocator, "{s}-{s}", .{
version, var it = mem.split(u8, mem.trim(u8, git_describe_long, &std.ascii.spaces), "-");
mem.trim(u8, git_commit_hash, &std.ascii.spaces), _ = it.next().?; // previous tag
const commit_count = it.next().?;
const commit_hash = it.next().?;
assert(it.next() == null);
assert(commit_hash[0] == 'g');
// Follow semantic versioning, e.g. 0.2.0-dev.42+d1cf95b
break :blk try std.fmt.allocPrintZ(b.allocator, version ++ ".{s}+{s}", .{
commit_count,
commit_hash[1..],
}); });
} else { } else {
break :blk version; break :blk version;