1 files changed, 151 insertions, 0 deletions
diff --git a/utils/manage_static.sh b/utils/manage_static.sh
new file mode 100755
index 000000000..3321f310e
--- /dev/null
+++ b/utils/manage_static.sh
@@ -0,0 +1,151 @@
+#!/usr/bin/env bash
+# -*- coding: utf-8; mode: sh indent-tabs-mode: nil -*-
+# SPDX-License-Identifier: AGPL-3.0-or-later
+
+BUILD_COMMIT_MESSAGE="Static build"
+
+BUILT_PATHS=(
+    searx/static/themes/oscar/css
+    searx/static/themes/oscar/js
+    searx/static/themes/oscar/src/generated/pygments-logicodev.less
+    searx/static/themes/oscar/src/generated/pygments-pointhi.less
+    searx/static/themes/simple/css
+    searx/static/themes/simple/js
+    searx/static/themes/simple/src/generated/pygments.less
+)
+
+CURRENT_BRANCH="$(git branch --show-current)"
+STAGED_FILES=$(git diff --name-only --cached)
+
+git_log_current_branch() {
+    git log "heads/${CURRENT_BRANCH}" --not --exclude="${CURRENT_BRANCH}" --branches --remotes --pretty=format:"%h"
+}
+
+is.build.commit() {
+    COMMIT_SHA=$1
+    # check commit message
+    COMMIT_MESSAGE=$(git show -s --format=%s ${COMMIT_SHA})
+    if [ "${COMMIT_MESSAGE}" != "${BUILD_COMMIT_MESSAGE}" ]; then
+        echo "Commit message of ${COMMIT_SHA} is '${COMMIT_MESSAGE}'"
+        return 1
+    fi
+
+    # check all files of the commit belongs to $BUILT_PATHS
+    COMMIT_FILES=$(git diff-tree --no-commit-id --name-only -r "${COMMIT_SHA}")
+    for i in ${BUILT_PATHS[*]}; do
+        # remove files of ${BUILT_PATHS}
+        COMMIT_FILES=$(echo "${COMMIT_FILES}" | grep -v "^${i}")
+    done
+    if [ -n "${COMMIT_FILES}" ]; then
+        echo "Commit $1 contains files that were not build: ${COMMIT_FILES}"
+        return 2
+    fi
+    return 0
+}
+
+static.build.commit.drop() {
+    LAST_COMMIT_ID=$(git_log_current_branch | head -1)
+
+    if [ -z "${LAST_COMMIT_ID}" ]; then
+        echo "Empty branch"
+        return 1
+    fi
+
+    is.build.commit "${LAST_COMMIT_ID}"
+    if [ $? -ne 0 ]; then
+        return $?
+    fi
+    echo "Drop last commit ${LAST_COMMIT_ID}"
+    git reset --hard HEAD~1
+}
+
+static.build.commit() {
+    # check for not commited files
+    NOT_COMMITED_FILES="$(git diff --name-only)"
+    if [ -n "${NOT_COMMITED_FILES}" ]; then
+        echo "Some files are not commited:"
+        echo "${NOT_COMMITED_FILES}"
+        return 1
+    fi
+
+    # check for staged files
+    if [ -n "${STAGED_FILES}" ]; then
+        echo "Some files are staged:"
+        echo "${STAGED_FILES}"
+        return 1
+    fi
+
+    # drop existing commit
+    static.commit.drop
+    if [ $? -ne 0 ]; then
+        return $?
+    fi
+
+    (
+        set -e
+        # build the themes
+        make themes.all
+
+        # add build files
+        for built_path in ${BUILT_PATHS[@]}; do
+            git add -v "${built_path}"
+        done
+
+        # check for modified files that are not staged
+        if [ -n "$(git diff --name-only)" ]; then
+            echo "make themes.all has created files that are not in BUILT_PATHS"
+            return 2
+        fi
+
+        #
+        git commit -m "Static build"
+    )
+}
+
+static.git.restore.staged() {
+    for i in ${BUILT_PATHS[*]}; do
+        STAGED_FILES_FOR_I=$(echo "${STAGED_FILES}" | grep "^${i}")
+        if [ -n "${STAGED_FILES_FOR_I}" ]; then
+            git restore --staged ${STAGED_FILES_FOR_I}
+        fi
+    done
+}
+
+static.git.restore() {
+    static.git.restore.staged
+
+    NOT_COMMITED_FILES="$(git diff --name-only)"
+    for i in ${BUILT_PATHS[*]}; do
+        NOT_COMMITED_FILES_FOR_I=$(echo "${NOT_COMMITED_FILES}" | grep "^${i}")
+        if [ -n "${NOT_COMMITED_FILES_FOR_I}" ]; then
+            git restore ${NOT_COMMITED_FILES_FOR_I}
+        fi
+    done
+}
+
+main() {
+    case $1 in
+        static.build.commit.drop)
+            # drop last commit if it was made by the "commit" command
+            static.build.commit.drop
+            ;;
+        static.build.commit)
+            # call the "static.build.commit.drop" command,
+            # then "make themes.all"
+            # then commit the built files ($BUILT_PATHS).
+            static.build.commit
+            ;;
+        static.git.restore.staged)
+            # after "git add ."
+            # remove the built files
+            # so only the source are commited
+            static.git.restore.staged
+            ;;
+        static.git.restore)
+            # "git restore" of the built files.
+            static.git.restore
+            ;;
+    esac
+}
+
+main "$@"