You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
pixelfed/contrib/docker/shared/root/docker/entrypoint.d/05-templating.sh

41 lines
1.3 KiB
Bash

#!/bin/bash
source /docker/helpers.sh
set_identity "$0"
auto_envsubst() {
local template_dir="${ENVSUBST_TEMPLATE_DIR:-/docker/templates}"
local output_dir="${ENVSUBST_OUTPUT_DIR:-}"
local filter="${ENVSUBST_FILTER:-}"
local template defined_envs relative_path output_path output_dir subdir
# load all dot-env files
load-config-files
# export all dot-env variables so they are available in templating
export ${seen_dot_env_variables[@]}
defined_envs=$(printf '${%s} ' $(awk "END { for (name in ENVIRON) { print ( name ~ /${filter}/ ) ? name : \"\" } }" </dev/null))
find "$template_dir" -follow -type f -print | while read -r template; do
relative_path="${template#"$template_dir/"}"
subdir=$(dirname "$relative_path")
output_path="$output_dir/${relative_path}"
output_dir=$(dirname "$output_path")
if [ ! -w "$output_dir" ]; then
log_error_and_exit "ERROR: $template_dir exists, but $output_dir is not writable"
fi
# create a subdirectory where the template file exists
mkdir -p "$output_dir/$subdir"
log "Running envsubst on $template to $output_path"
envsubst "$defined_envs" <"$template" >"$output_path"
done
}
auto_envsubst
exit 0