summaryrefslogtreecommitdiff
path: root/make-release
blob: 8646bc13a18356f60bed0e8122efac38a67acb21 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
#!/usr/bin/env bash
# Copyright 2016-2018 Luke Shumaker
set -e

branch=$(git name-rev --name-only HEAD)
if [[ $branch == master ]]; then
	gitdir="$(git rev-parse --git-dir)"
	workdir="${gitdir}/release"
	exec 8>"${workdir}.lock"
	flock 8

	rm -rf -- "$workdir"
	git worktree prune
	git branch -D release.tmp &>/dev/null || true

	unset GIT_INDEX_FILE
	git worktree add -b release.tmp "${gitdir}/release" master
	(
		unset GIT_DIR GIT_WORK_TREE
		cd "$workdir"

		go generate ./...
		git ls-files -z '*/.gitignore' | xargs -0r rm -f --

		git add .
		git commit -m "Generate artifacts"

		git checkout release # Ensure it exists locally
		git pull --no-edit -s ours # Avoid conflicts

		# What we want is
		#
		#    git merge --no-edit -s theirs release.tmp
		#
		# Unfortunately, there is no 'theirs' strategy; so we
		# have to switch branches and do it backward with the
		# 'ours' strategry, switch back, then merge the merge
		# commit.
		git checkout release.tmp
		git merge --no-edit -s ours release
		git checkout release
		git merge release.tmp

		git branch -d release.tmp
	)
	rm -rf -- "$workdir"
	git worktree prune
fi