1 files changed, 124 insertions, 0 deletions
diff --git a/utils/lib_static.sh b/utils/lib_static.sh
new file mode 100755
index 000000000..0d4ba9bad
--- /dev/null
+++ b/utils/lib_static.sh
@@ -0,0 +1,124 @@
+#!/usr/bin/env bash
+# SPDX-License-Identifier: AGPL-3.0-or-later
+
+
+STATIC_BUILD_COMMIT="[build] /static"
+STATIC_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
+)
+
+static_help(){
+    cat <<EOF
+static.build.:  ${STATIC_BUILD_COMMIT}
+  commit    : build & commit /static folder
+  drop      : drop last commit if it was previously done by static.build.commit
+  restore   : git restore of the /static folder (after themes.all)
+EOF
+}
+
+is.static.build.commit() {
+
+    local commit_sha="$1"
+    local commit_message
+    local commit_files
+
+    # check commit message
+    commit_message=$(git show -s --format=%s "${commit_sha}")
+    if [ "${commit_message}" != "${STATIC_BUILD_COMMIT}" ]; then
+        err_msg "expecting commit message: '${STATIC_BUILD_COMMIT}'"
+        err_msg "commit message of ${commit_sha} is: '${commit_message}'"
+        return 1
+    fi
+
+    # check all files of the commit belongs to $STATIC_BUILT_PATHS
+    commit_files=$(git diff-tree --no-commit-id --name-only -r "${commit_sha}")
+    for i in ${STATIC_BUILT_PATHS[*]}; do
+        # remove files of ${STATIC_BUILT_PATHS}
+        commit_files=$(echo "${commit_files}" | grep -v "^${i}")
+    done
+
+    if [ -n "${commit_files}" ]; then
+        err_msg "commit ${commit_sha} contains files not a part of ${STATIC_BUILD_COMMIT}"
+        echo "${commit_files}" | prefix_stdout "  "
+        return 2
+    fi
+    return 0
+}
+
+static.build.drop() {
+    # drop last commit if it was made by the static.build.commit command
+
+    local last_commit_id
+    local branch
+
+    build_msg STATIC "drop last commit if it was previously done by static.build.commit"
+
+    # get only last (option -n1) local commit not in remotes
+    branch="$(git branch --show-current)"
+    last_commit_id="$(git log -n1 "${branch}" --pretty=format:'%h'\
+     --not --exclude="${branch}" --branches --remotes)"
+
+    if [ -z "${last_commit_id}" ]; then
+        err_msg "there are no local commits"
+        return 1
+    fi
+
+    if ! is.static.build.commit "${last_commit_id}"; then
+        return $?
+    fi
+
+    build_msg STATIC "drop last commit ${last_commit_id}"
+    git reset --hard HEAD~1
+}
+
+static.build.commit() {
+    # call the "static.build.drop" command, then "themes.all" then commit the
+    # built files ($BUILT_PATHS).
+
+    build_msg STATIC "build & commit /static files"
+
+    # check for not commited files
+    if [ -n "$(git diff --name-only)" ]; then
+        err_msg "some files are not commited:"
+        git diff --name-only | prefix_stdout "  "
+        return 1
+    fi
+
+    # check for staged files
+    if [ -n "$(git diff --name-only --cached)" ]; then
+        err_msg "some files are staged:"
+        git diff --name-only --cached | prefix_stdout "  "
+        return 1
+    fi
+
+    # drop existing commit from previos build
+    static.build.drop &>/dev/null
+
+    (   set -e
+        # build the themes
+        themes.all
+
+        # add build files
+        for built_path in "${STATIC_BUILT_PATHS[@]}"; do
+            git add -v "${built_path}"
+        done
+
+        # check for modified files that are not staged
+        if [ -n "$(git diff --name-only)" ]; then
+            die 42 "themes.all has created files that are not in STATIC_BUILT_PATHS"
+        fi
+        git commit -m "${STATIC_BUILD_COMMIT}"
+    )
+}
+
+static.build.restore() {
+    build_msg STATIC "git-restore of the built files (/static)"
+    git restore --staged "${STATIC_BUILT_PATHS[@]}"
+    git restore --worktree "${STATIC_BUILT_PATHS[@]}"
+}