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crosutils: comments for environment variables in make_factory_package

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To help developers knowing the proper usage of such command.

BUG=none
TEST=./make_factory_package --help

Change-Id: I5a5d0efd215d0239bd56830165f0a057ad7c7474
Reviewed-on: http://gerrit.chromium.org/gerrit/9707
Reviewed-by: Tammo Spalink <tammo@chromium.org>
Reviewed-by: Nick Sanders <nsanders@chromium.org>
Tested-by: Hung-Te Lin <hungte@chromium.org>
Commit-Ready: Hung-Te Lin <hungte@chromium.org>
This commit is contained in:
Hung-Te Lin 2011-10-07 10:31:33 +08:00
parent abfb85f6b2
commit 4474c15e7b
1 changed files with 18 additions and 1 deletions
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19
make_factory_package.sh
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@ -10,6 +10,10 @@
# #
# miniomaha lives in src/platform/dev/ and miniomaha partition sets live # miniomaha lives in src/platform/dev/ and miniomaha partition sets live
# in src/platform/dev/static. # in src/platform/dev/static.
#
# All internal environment variables used by this script are prefixed with
# "MFP_". Please avoid using them for other purposes.
# "MFP_CONFIG_"* are shell variables that can be used in config file (--config)
# --- BEGIN FACTORY SCRIPTS BOILERPLATE --- # --- BEGIN FACTORY SCRIPTS BOILERPLATE ---
# This script may be executed in a full CrOS source tree or an extracted factory # This script may be executed in a full CrOS source tree or an extracted factory
@ -60,7 +64,16 @@ DEFINE_integer sectors 31277232 "Size of image in sectors"
DEFINE_boolean detect_release_image ${FLAGS_TRUE} \ DEFINE_boolean detect_release_image ${FLAGS_TRUE} \
"If set, try to auto-detect the type of release image and convert if required" "If set, try to auto-detect the type of release image and convert if required"
DEFINE_string config "" \ DEFINE_string config "" \
"Config file where parameters are read from" 'Configuration file where parameters are read from. You can use '\
'\$MFP_CONFIG_PATH and \$MFP_CONFIG_DIR (path and directory to the '\
'config file itself) in config file to use relative path'
# Usage Help
FLAGS_HELP="Prepares factory resources (mini-omaha server, RMA/usb/disk images)
USAGE: $0 [flags] args
Note environment variables with prefix MFP_ are for reserved for internal use.
"
# Parse command line # Parse command line
FLAGS "$@" || exit 1 FLAGS "$@" || exit 1
@ -660,6 +673,8 @@ parse_and_run_config() {
for cmd in "${cmds[@]}" for cmd in "${cmds[@]}"
do do
info "Executing: $0 $cmd" info "Executing: $0 $cmd"
# Sets internal environment variable MFP_SUBPROCESS to prevent unexpected
# recursion.
eval "MFP_SUBPROCESS=1 $0 $cmd" eval "MFP_SUBPROCESS=1 $0 $cmd"
done done
} }
@ -684,6 +699,8 @@ main() {
check_empty_param FLAGS_subfolder "when using config file" check_empty_param FLAGS_subfolder "when using config file"
# Make the path and folder of config file available when parsing config. # Make the path and folder of config file available when parsing config.
# These MFP_CONFIG_* are special shell variables (not environment variables)
# that a config file (by --config) can use them.
MFP_CONFIG_PATH="$(readlink -f "$FLAGS_config")" MFP_CONFIG_PATH="$(readlink -f "$FLAGS_config")"
MFP_CONFIG_DIR="$(dirname "$MFP_CONFIG_PATH")" MFP_CONFIG_DIR="$(dirname "$MFP_CONFIG_PATH")"