kopia lustrzana https://github.com/pixelfed/pixelfed
more docs
Christian Winther
rodzic
f2c8497136
commit
c64571e46d
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@ -42,7 +42,7 @@ find "${ENTRYPOINT_TEMPLATE_DIR}" -follow -type f -print | while read -r templat
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fi
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# Create the output directory if it doesn't exists
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ensure-directory "${output_file_dir}"
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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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@ -1,72 +1,80 @@
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#!/bin/bash
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# short curcuit the entrypoint if $ENTRYPOINT_SKIP isn't set to 0
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if [[ ${ENTRYPOINT_SKIP:=0} != 0 ]]; then
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exec "$@"
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fi
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# Directory where entrypoint scripts lives
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: ${ENTRYPOINT_ROOT:="/docker/entrypoint.d/"}
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: ${ENTRYPOINT_SKIP_SCRIPTS:=""}
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export ENTRYPOINT_ROOT
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# Space separated list of scripts the entrypoint runner should skip
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: ${ENTRYPOINT_SKIP_SCRIPTS:=""}
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# Load helper scripts
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source /docker/helpers.sh
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# Set the entrypoint name for logging
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entrypoint-set-name "entrypoint.sh"
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# Convert ENTRYPOINT_SKIP_SCRIPTS into a native bash array for easier lookup
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declare -a skip_scripts
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IFS=' ' read -a skip_scripts <<<"$ENTRYPOINT_SKIP_SCRIPTS"
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declare script_name
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# ensure the entrypoint folder exists
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# Ensure the entrypoint root folder exists
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mkdir -p "${ENTRYPOINT_ROOT}"
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if /usr/bin/find "${ENTRYPOINT_ROOT}" -mindepth 1 -maxdepth 1 -type f -print -quit 2>/dev/null | read v; then
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log-info "looking for shell scripts in /docker/entrypoint.d/"
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find "${ENTRYPOINT_ROOT}" -follow -type f -print | sort -V | while read -r file; do
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script_name="$(get-entrypoint-script-name $file)"
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if in-array "${script_name}" skip_scripts; then
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log-warning "Skipping script [${script_name}] since it's in the skip list (\$ENTRYPOINT_SKIP_SCRIPTS)"
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continue
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fi
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case "${file}" in
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*.envsh)
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if ! is-executable "${file}"; then
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# warn on shell scripts without exec bit
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log-error-and-exit "File [${file}] is not executable (please 'chmod +x' it)"
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fi
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log-info "Sourcing [${file}]"
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source "${file}"
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# the sourced file will (should) than the log prefix, so this restores our own
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# "global" log prefix once the file is done being sourced
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entrypoint-restore-name
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;;
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*.sh)
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if ! is-executable "${file}"; then
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# warn on shell scripts without exec bit
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log-error-and-exit "File [${file}] is not executable (please 'chmod +x' it)"
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fi
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log-info "Running [${file}]"
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"${file}"
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;;
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*)
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log-warning "Ignoring unrecognized file [${file}]"
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;;
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esac
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done
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log-info "Configuration complete; ready for start up"
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else
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# If ENTRYPOINT_ROOT directory is empty, warn and run the regular command
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if is-directory-empty "${ENTRYPOINT_ROOT}"; then
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log-warning "No files found in ${ENTRYPOINT_ROOT}, skipping configuration"
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exec "$@"
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fi
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# Start scanning for entrypoint.d files to source or run
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log-info "looking for shell scripts in [${ENTRYPOINT_ROOT}]"
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find "${ENTRYPOINT_ROOT}" -follow -type f -print | sort -V | while read -r file; do
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# Skip the script if it's in the skip-script list
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if in-array $(get-entrypoint-script-name "${file}") skip_scripts; then
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log-warning "Skipping script [${script_name}] since it's in the skip list (\$ENTRYPOINT_SKIP_SCRIPTS)"
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continue
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fi
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# Inspect the file extension of the file we're processing
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case "${file}" in
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*.envsh)
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if ! is-executable "${file}"; then
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# warn on shell scripts without exec bit
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log-error-and-exit "File [${file}] is not executable (please 'chmod +x' it)"
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fi
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log-info "Sourcing [${file}]"
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source "${file}"
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# the sourced file will (should) than the log prefix, so this restores our own
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# "global" log prefix once the file is done being sourced
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entrypoint-restore-name
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;;
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*.sh)
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if ! is-executable "${file}"; then
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# warn on shell scripts without exec bit
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log-error-and-exit "File [${file}] is not executable (please 'chmod +x' it)"
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fi
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log-info "Running [${file}]"
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"${file}"
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;;
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*)
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log-warning "Ignoring unrecognized file [${file}]"
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;;
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esac
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done
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log-info "Configuration complete; ready for start up"
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exec "$@"
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@ -23,15 +23,22 @@ declare -ra dot_env_files=(
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# environment keys seen when source dot files (so we can [export] them)
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declare -ga seen_dot_env_variables=()
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# @description Restore the log prefix to the previous value that was captured in [entrypoint-set-name]
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# @arg $1 string The name (or path) of the entrypoint script being run
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function entrypoint-set-name() {
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log_prefix_previous="${log_prefix}"
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log_prefix="ENTRYPOINT - [$(get-entrypoint-script-name $1)] - "
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}
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# @description Restore the log prefix to the previous value that was captured in [entrypoint-set-name]
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function entrypoint-restore-name() {
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log_prefix="${log_prefix_previous}"
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}
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# @description Run a command as the [runtime user]
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# @arg $@ string The command to run
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# @exitcode 0 if the command succeeeds
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# @exitcode 1 if the command fails
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function run-as-runtime-user() {
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local -i exit_code
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local target_user
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@ -54,12 +61,14 @@ function run-as-runtime-user() {
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# @description Print the given error message to stderr
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# @arg $message string A error message.
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# @stderr The error message provided with log prefix
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function log-error() {
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echo -e "${error_message_color}${log_prefix}ERROR - ${*}${color_clear}" >/dev/stderr
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}
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# @description Print the given error message to stderr and exit 1
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# @arg $@ string A error message.
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# @stderr The error message provided with log prefix
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# @exitcode 1
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function log-error-and-exit() {
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log-error "$@"
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@ -69,18 +78,22 @@ function log-error-and-exit() {
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# @description Print the given warning message to stderr
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# @arg $@ string A warning message.
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# @stderr The warning message provided with log prefix
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function log-warning() {
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echo -e "${warn_message_color}${log_prefix}WARNING - ${*}${color_clear}" >/dev/stderr
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}
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# @description Print the given message to stderr unless [ENTRYPOINT_QUIET_LOGS] is set
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# @arg $@ string A warning message.
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# @description Print the given message to stdout unless [ENTRYPOINT_QUIET_LOGS] is set
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# @arg $@ string A info message.
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# @stdout The info message provided with log prefix unless $ENTRYPOINT_QUIET_LOGS
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function log-info() {
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if [ -z "${ENTRYPOINT_QUIET_LOGS:-}" ]; then
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echo "${log_prefix}$*"
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fi
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}
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# @description Loads the dot-env files used by Docker and track the keys present in the configuration.
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# @sets seen_dot_env_variables array List of config keys discovered during loading
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function load-config-files() {
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# Associative array (aka map/dictionary) holding the unique keys found in dot-env files
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local -A _tmp_dot_env_keys
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@ -103,6 +116,11 @@ function load-config-files() {
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seen_dot_env_variables=(${!_tmp_dot_env_keys[@]})
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}
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# @description Checks if $needle exists in $haystack
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# @arg $1 string The needle (value) to search for
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# @arg $2 array The haystack (array) to search in
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# @exitcode 0 If $needle was found in $haystack
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# @exitcode 1 If $needle was *NOT* found in $haystack
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function in-array() {
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local -r needle="\<${1}\>"
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local -nr haystack=$2
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@ -110,18 +128,41 @@ function in-array() {
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[[ ${haystack[*]} =~ $needle ]]
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}
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# @description Checks if $1 has executable bit set or not
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# @arg $1 string The path to check
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# @exitcode 0 If $1 has executable bit
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# @exitcode 1 If $1 does *NOT* have executable bit
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function is-executable() {
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[[ -x "$1" ]]
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}
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# @description Checks if $1 is writable or not
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# @arg $1 string The path to check
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# @exitcode 0 If $1 is writable
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# @exitcode 1 If $1 is *NOT* writable
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function is-writable() {
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[[ -w "$1" ]]
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}
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function ensure-directory() {
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# @description Checks if $1 contains any files or not
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# @arg $1 string The path to check
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# @exitcode 0 If $1 contains files
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# @exitcode 1 If $1 does *NOT* contain files
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function is-directory-empty() {
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! find "${1}" -mindepth 1 -maxdepth 1 -type f -print -quit 2>/dev/null | read v
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}
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# @description Ensures a directory exists (via mkdir)
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# @arg $1 string The path to create
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# @exitcode 0 If $1 If the path exists *or* was created
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# @exitcode 1 If $1 If the path does *NOT* exists and could *NOT* be created
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function ensure-directory-exists() {
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mkdir -pv "$@"
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}
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# @description Find the relative path for a entrypoint script by removing the ENTRYPOINT_ROOT prefix
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# @arg $1 string The path to manipulate
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# @stdout The relative path to the entrypoint script
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function get-entrypoint-script-name() {
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echo "${1#"$ENTRYPOINT_ROOT"}"
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}
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