forked from mirror/pixelfed
61 lines
2.1 KiB
Bash
Executable File
61 lines
2.1 KiB
Bash
Executable File
#!/bin/bash
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: "${ENTRYPOINT_ROOT:="/docker"}"
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# shellcheck source=SCRIPTDIR/../helpers.sh
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source "${ENTRYPOINT_ROOT}/helpers.sh"
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entrypoint-set-script-name "$0"
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# Show [git diff] of templates being rendered (will help verify output)
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: "${ENTRYPOINT_SHOW_TEMPLATE_DIFF:=1}"
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# Directory where templates can be found
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: "${ENTRYPOINT_TEMPLATE_DIR:=/docker/templates/}"
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# Root path to write template template_files to (default is '', meaning it will be written to /<path>)
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: "${ENTRYPOINT_TEMPLATE_OUTPUT_PREFIX:=}"
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declare template_file relative_template_file_path output_file_dir
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# load all dot-env config files
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load-config-files
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# export all dot-env variables so they are available in templating
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#
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# shellcheck disable=SC2068
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export ${seen_dot_env_variables[@]}
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find "${ENTRYPOINT_TEMPLATE_DIR}" -follow -type f -print | while read -r template_file; do
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# Example: template_file=/docker/templates/usr/local/etc/php/php.ini
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# The file path without the template dir prefix ($ENTRYPOINT_TEMPLATE_DIR)
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#
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# Example: /usr/local/etc/php/php.ini
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relative_template_file_path="${template_file#"${ENTRYPOINT_TEMPLATE_DIR}"}"
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# Adds optional prefix to the output file path
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#
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# Example: /usr/local/etc/php/php.ini
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output_file_path="${ENTRYPOINT_TEMPLATE_OUTPUT_PREFIX}/${relative_template_file_path}"
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# Remove the file from the path
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#
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# Example: /usr/local/etc/php
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output_file_dir=$(dirname "${output_file_path}")
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# Ensure the output directory is writable
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if ! is-writable "${output_file_dir}"; then
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log-error-and-exit "${output_file_dir} is not writable"
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fi
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# Create the output directory if it doesn't exists
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ensure-directory-exists "${output_file_dir}"
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# Render the template
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log-info "Running [gomplate] on [${template_file}] --> [${output_file_path}]"
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gomplate <"${template_file}" >"${output_file_path}"
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# Show the diff from the envsubst command
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if is-true "${ENTRYPOINT_SHOW_TEMPLATE_DIFF}"; then
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git --no-pager diff --color=always "${template_file}" "${output_file_path}" || : # ignore diff exit code
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fi
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done
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