From 5c5120e3d74307a65c3799bb32f619d3b86fe734 Mon Sep 17 00:00:00 2001
From: Terry Geng <terry@terriex.com>
Date: Sat, 31 Oct 2020 20:30:05 +0800
Subject: [PATCH] CI: Setup pushing-translation procedure in CI.

---
 .drone.yml                              | 19 +++++++++-
 scripts/commit_new_translation.sh       | 20 ++++++++---
 scripts/update_translation_to_server.sh | 48 +++++++++++++++++++++++++
 3 files changed, 82 insertions(+), 5 deletions(-)
 create mode 100755 scripts/update_translation_to_server.sh

diff --git a/.drone.yml b/.drone.yml
index 1bb1f47..417521f 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -17,6 +17,23 @@ steps:
         - push
         - tag
 
+  - name: push-translation
+    image: debian
+    environment:
+      TRADUORA_R_CLIENT:
+        from_secret: TRADUORA_R_CLIENT
+      TRADUORA_R_SECRET:
+        from_secret: TRADUORA_R_SECRET
+      TRADUORA_W_CLIENT:
+        from_secret: TRADUORA_W_CLIENT
+      TRADUORA_W_SECRET:
+        from_secret: TRADUORA_W_SECRET
+      GITHUB_API:
+        from_secret: GITHUB_API
+    commands:
+      - apt update && apt install -y git python3-requests hub
+      - SOURCE_DIR=$(pwd) ./scripts/update_translation_to_server.sh
+
   - name: translate-html
     image: python:3
     commands:
@@ -126,7 +143,7 @@ steps:
         from_secret: GITHUB_API
     commands:
       - apt update && apt install -y git python3-requests hub
-      - SOURCE_DIR=$(pwd) ./scripts/commit_new_translation.sh
+      - PUSH=1 SOURCE_DIR=$(pwd) ./scripts/commit_new_translation.sh
 
 node:
   location: external
diff --git a/scripts/commit_new_translation.sh b/scripts/commit_new_translation.sh
index cc2bc63..7359603 100755
--- a/scripts/commit_new_translation.sh
+++ b/scripts/commit_new_translation.sh
@@ -2,20 +2,32 @@
 
 git remote set-url origin https://azlux:$GITHUB_API@github.com/azlux/botamusique/
 
+echo "=> Fetching for bot-traduora branch..."
 if git fetch origin bot-traduora; then
+  echo "==> bot-traduora branch exists"
   git branch bot-traduora FETCH_HEAD
   CREATE_PR=false
 else
+  echo "==> bot-traduora branch doesn't exist, create one"
   git branch bot-traduora
   CREATE_PR=true
 fi
 git checkout bot-traduora
+
+echo "=> Fetching updates from the server..."
+
 $SOURCE_DIR/scripts/sync_translation.py --lang-dir $SOURCE_DIR/lang/ --client $TRADUORA_R_CLIENT --secret $TRADUORA_R_SECRET --fetch
 git add lang/*
 git status
 
-if GIT_COMMITTER_NAME='Traduora Bot' GIT_COMMITTER_EMAIL='noreply@azlux.fr' git commit -m 'Bot: Update translation' --author "Traduora Bot <noreply@azlux.fr>"; then
-  git push origin bot-traduora
-  sleep 2
-  if $CREATE_PR; then GITHUB_USER="azlux" GITHUB_TOKEN="$GITHUB_API"  hub pull-request -m "Bot: TRADUORA Update"; fi
+if $PUSH; then
+   echo "=> Pushing updates to bot-traduora branch..."
+  if GIT_COMMITTER_NAME='Traduora Bot' GIT_COMMITTER_EMAIL='noreply@azlux.fr' git commit -m 'Bot: Update translation' --author "Traduora Bot <noreply@azlux.fr>"; then
+    git push origin bot-traduora
+    sleep 2
+    if $CREATE_PR; then GITHUB_USER="azlux" GITHUB_TOKEN="$GITHUB_API"  hub pull-request -m "Bot: TRADUORA Update"; fi
+    exit 0
+  fi
+   echo "==> There's nothing to push."
+   exit 0
 fi
diff --git a/scripts/update_translation_to_server.sh b/scripts/update_translation_to_server.sh
new file mode 100755
index 0000000..7deff99
--- /dev/null
+++ b/scripts/update_translation_to_server.sh
@@ -0,0 +1,48 @@
+#!/usr/bin/env bash
+
+set -e
+PYTHON=$SOURCE_DIR/venv/bin/python
+
+git remote set-url origin https://azlux:$GITHUB_API@github.com/azlux/botamusique/
+git pull origin master
+
+echo "=> Checking if translations in this commit differ from the server..."
+
+git branch testing-translation master
+git checkout testing-translation
+$PYTHON $SOURCE_DIR/scripts/sync_translation.py --lang-dir $SOURCE_DIR/lang/ --client $TRADUORA_R_CLIENT --secret $TRADUORA_R_SECRET --fetch
+
+if [ -z "$(git diff)" ]; then
+  echo "==> No difference found."
+  exit 0
+fi
+
+echo "==> Modifications found."
+echo "=> Check if the modifications are based on the translations on the server..."
+
+n=1
+COMMON_FOUND=false
+
+while [ $n -le 10 ]; do
+  echo "==> Comparing server's translations with master~$n ($(git show --oneline --quiet master~$n))"
+  CHANGED_LANG_FILE=$(git diff --name-only master~$n | grep "lang/" || true)
+  if [ -z "$CHANGED_LANG_FILE" ]; then
+    COMMON_FOUND=true
+    break
+  fi
+  let n++
+done
+
+if [ ! $COMMON_FOUND ]; then
+  echo "==> CONFLICTS: Previous commits doesn't share the same translations with the server."
+  echo "    There are unmerged translation updates on the server."
+  echo "    Please manually update these changes or wait for the pull request"
+  echo "    created by the translation bot get merged."
+  exit 1
+fi
+
+echo "==> master~$n ($(git show --oneline --quiet master~$n)) shares the same translations with the server."
+
+echo "=> Preparing to push local translation updates to the server..."
+$PYTHON $SOURCE_DIR/scripts/sync_translation.py --lang-dir $SOURCE_DIR/lang/ --client $TRADUORA_W_CLIENT --secret $TRADUORA_W_SECRET --push
+exit 0