From 4514de9ff58a777c043804e09d6902417795bb82 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Hannes=20K=C3=B6rber?= <hannes@hkoerber.de>
Date: Tue, 14 Jun 2022 00:34:33 +0200
Subject: [PATCH] Add release script

---
 release.sh | 153 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 153 insertions(+)
 create mode 100755 release.sh

diff --git a/release.sh b/release.sh
new file mode 100755
index 0000000..a645c02
--- /dev/null
+++ b/release.sh
@@ -0,0 +1,153 @@
+#!/usr/bin/env bash
+
+set -o nounset
+set -o errexit
+set -o pipefail
+
+usage() {
+    printf '%s\n' "usage: $0 (master|minor|patch)" >&2
+}
+
+if (( $# != 1 )) ; then
+    usage
+    exit 1
+fi
+
+current_version="$(grep '^version \?=' Cargo.toml | head -1 | cut -d '=' -f 2 | tr -d " '"'"')"
+
+major="$(printf '%s' "${current_version}" | grep -oP '^\d+')"
+minor="$(printf '%s' "${current_version}" | grep -oP '\.\d+\.' | tr -d '.')"
+patch="$(printf '%s' "${current_version}" | grep -oP '\d+$' | tr -d '.')"
+
+case "$1" in
+    major)
+        (( major++ )) || true
+        minor=0
+        patch=0
+        ;;
+    minor)
+        (( minor++ )) || true
+        patch=0
+        ;;
+    patch)
+        (( patch++ )) || true
+        ;;
+    *)
+        usage
+        exit 1
+        ;;
+esac
+
+new_version="${major}.${minor}.${patch}"
+
+if ! [[ "${new_version}" =~ ^[0-9]+\.[0-9]+\.[0-9]+$ ]] ; then
+    printf '%s\n' 'Version has to a complete semver' >&2
+    exit 1
+fi
+
+if [[ $(git rev-parse --abbrev-ref HEAD) != "develop" ]] ; then
+    printf '%s\n' 'You need to be on develop' >&2
+    exit 1
+fi
+
+if [[ -n "$(git status --porcelain)" ]] ; then
+    printf '%s\n' 'There are uncommitted changes' >&2
+    exit 1
+fi
+
+if git tag --list "v${new_version}" | grep -q . ; then
+    printf 'Tag %s already exists\n' "v${new_version}" >&2
+    exit 1
+fi
+
+for remote in $(git remote) ; do
+    if git ls-remote --tags "${remote}" | grep -q "refs/tags/v${new_version}$" ; then
+        printf 'Tag %s already exists on %s' "v${new_version}" "${remote}" >&2
+        exit 1
+    fi
+done
+
+git fetch --all
+
+for remote in $(git remote) ; do
+    for branch in master develop ; do
+        if ! git diff --quiet "${remote}/${branch}..${branch}" ; then
+            printf 'Remote branch %s/%s not up to date, synchronize first!\n' "${remote}" "${branch}" >&2
+            exit 1
+        fi
+    done
+done
+
+if ! git merge-base --is-ancestor master develop ; then
+    printf '%s\n' 'Develop is not a straight descendant of master, rebase!' >&2
+    exit 1
+fi
+
+if (( $(git log --oneline master..develop | wc -l) == 0 )) ; then
+    printf '%s\n' 'No changes between master and develop?' >&2
+    exit 1
+fi
+
+just update-dependencies
+
+just check
+
+sed -i "0,/^version/{s/^version.*$/version = \"${new_version}\"/}" Cargo.toml
+
+cargo update --package git-repo-manager --precise "${new_version}"
+
+diff="$(git diff --numstat)"
+if (( $(printf '%s\n' "${diff}" | wc -l) != 2 )) ; then
+     printf '%s\n' 'Weird changes detected, bailing' >&2
+     exit 1
+fi
+
+if ! printf '%s\n' "${diff}" | grep -Pq '^1\s+1\s+Cargo.lock$' ; then
+     printf '%s\n' 'Weird changes detected, bailing' >&2
+     exit 1
+fi
+
+if ! printf '%s\n' "${diff}" | grep -Pq '^1\s+1\s+Cargo.toml$' ; then
+     printf '%s\n' 'Weird changes detected, bailing' >&2
+     exit 1
+fi
+
+git add Cargo.lock Cargo.toml
+
+git commit -m "Release v${new_version}"
+
+git switch master 2>/dev/null || { [[ -d "../master" ]] && cd "../master" ; } || { printf '%s\n' 'Could not change to master' >&2 ; exit 1 ; }
+
+if [[ $(git rev-parse --abbrev-ref HEAD) != "master" ]] ; then
+    printf '%s\n' 'Looks like branch switching to master did not work' >&2
+    exit 1
+fi
+
+git merge --no-ff --no-edit develop
+git tag "v${new_version}"
+
+for remote in $(git remote) ; do
+    while ! git push "${remote}" "v${new_version}" master ; do
+        :
+    done
+done
+
+git switch develop 2>/dev/null || { [[ -d "../develop" ]] && cd "../develop" ; } || { printf '%s\n' 'Could not change to develop' >&2 ; exit 1 ; }
+
+if [[ $(git rev-parse --abbrev-ref HEAD) != "develop" ]] ; then
+    printf '%s\n' 'Looks like branch switching to develop did not work' >&2
+    exit 1
+fi
+
+git merge --ff-only master
+
+for remote in $(git remote) ; do
+    while ! git push "${remote}" develop ; do
+        :
+    done
+done
+
+cargo publish
+
+printf 'Published %s successfully\n' "${new_version}"
+exit 0