Now download glpi-agent new package
Also get REVISION number from installer script. Current version also get revision number (-1).
This commit is contained in:
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E759BAA22501AF32
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@ -1,10 +1,15 @@
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#!/bin/sh
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#
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# Purpose {{{
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## Create a temp file (to monitor) if an upgrade is available for GLPI Agent
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## project on Github − https://github.com/glpi-project/glpi-agent/releases
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## It's based on .deb package installation to check the current version.
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## It can also compare the current available version in APT repositories
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## if "--repo" option is given.
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# This script will try to get last version of glpi-agent .deb file
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# https://github.com/glpi-project/glpi-agent/releases
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# 1. Get current version from APT repo (by default).
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# 1.b Or use version from manually installed package (with --file option).
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# 2. Get latest version from github repository.
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# 3. Compare current and new versions.
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# 4. Download the .deb file for this new version.
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# 5. Create a temp file (to monitor) if an upgrade is available.
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# }}}
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## How-to use {{{
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### 1. Needs releasetags script, in the same directory
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### cf. https://git.ipr.univ-rennes1.fr/cellinfo/scripts/src/master/github/releasetags
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@ -17,24 +22,32 @@
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# Or enable MAILTO in cronjob and edit the script to print a message.
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# Or send a mail.
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# …
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## }}}
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# }}}
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# Flags {{{
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## Exit on error
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set -o errexit
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## Exit on unset var
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### Use "${VARNAME-}" to test a var that may not have been set
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set -o nounset
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## Pipeline command is treated as failed
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### Not available in POSIX sh − https://github.com/koalaman/shellcheck/wiki/SC3040
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#set -o pipefail
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## Help with debugging
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### Call the script by prefixing it with "TRACE=1 ./script.sh"
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if [ "${TRACE-0}" -eq 1 ]; then set -o xtrace; fi
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# }}}
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# Vars {{{
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PROGNAME=$(basename "${0}"); readonly PROGNAME
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PROGDIR=$(readlink -m $(dirname "${0}")); readonly PROGDIR
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PROGDIR=$(readlink --canonicalize-missing $(dirname "${0}")); readonly PROGDIR
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ARGS="${*}"; readonly ARGS
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readonly NBARGS="${#}"
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[ -z "${DEBUG}" ] && DEBUG=1
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[ -z "${DEBUG-}" ] && DEBUG=1
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## Export DEBUG for sub-script
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export DEBUG
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## Default values for some vars
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### Don't use APT repository by default
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readonly REPOSITORY_MODE_DEFAULT=1
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readonly GLPI_AGENT_REPO_URL="https://github.com/glpi-project/glpi-agent"
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readonly GLPI_AGENT_NEW_VERSION_FILE="/tmp/.github.glpi-agent.upgrade"
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readonly PACKAGE_NAME_DEFAULT="glpi-agent"
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readonly CHECK_MODE_DEFAULT="repository"
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## Colors
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readonly PURPLE='\033[1;35m'
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@ -45,17 +58,14 @@ readonly COLOR_DEBUG="${PURPLE}"
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usage() { # {{{
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cat <<- HELP
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usage: $PROGNAME [-d|-h|-r]
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usage: $PROGNAME [-d|-h|-f|-r]
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Compare GLPI Agent installed version and latest one.
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Try to get last version of ${PACKAGE_NAME_DEFAULT} .deb file.
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EXAMPLES :
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- Compare the current version installed from .deb file
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- Check ${PACKAGE_NAME_DEFAULT} version (from APT repository or manually installed file).
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${PROGNAME}
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- Compare the current version from apt's repository
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${PROGNAME} --repo
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OPTIONS :
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-d,--debug
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Enable debug messages.
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@ -63,10 +73,12 @@ OPTIONS :
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-h,--help
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Print this help message.
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-r,--repo,--repository
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Use GLPI Agent version from APT repository.
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HELP
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-f,--file,--p,--package
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Use manually installed package.
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-r,--repo,--repository
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Use ${PACKAGE_NAME_DEFAULT} version from APT repository.
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HELP
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}
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# }}}
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debug_message() { # {{{
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@ -87,110 +99,212 @@ error_message() { # {{{
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local_error_code="${2}"
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## Print message
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printf '%b\n' "ERROR − ${PROGNAME} : ${RED}${local_error_message}${RESET}"
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printf '%b\n' "ERROR − ${PROGNAME} : ${RED}${local_error_message}${RESET}" >&2
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unset local_error_message
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exit "${local_error_code:=66}"
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}
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# }}}
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define_vars() { # {{{
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## If repository_mode wasn't defined (argument) {{{
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if [ -z "${repository_mode}" ]; then
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## Use default value
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readonly repository_mode="${REPOSITORY_MODE_DEFAULT}"
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fi
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# }}}
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}
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# }}}
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is_var_empty() { # {{{
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local_var_empty="${1}"
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debug_prefix="${2:-}"
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## Return False by default
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return_var_empty="1"
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## Total number of variables to test
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local_total_var="${#}"
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loop_count_var_empty="0"
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debug_message "${debug_prefix}is_var_empty − Test var value (${1})."
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[ -z "${local_var_empty}" ] && return_var_empty="0"
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## While it remains a variable to test
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while [ "${local_total_var}" -gt "${loop_count_var_empty}" ]; do
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debug_message "is_var_empty − \
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Test var: ${1}."
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### Test if this is empty and set return value to True
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[ -z "${1}" ] && return_var_empty="0"
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### Increase the number of tested variables
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loop_count_var_empty=$((loop_count_var_empty+1))
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### Shift to the next variable
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shift
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done
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unset local_total_var
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unset loop_count_var_empty
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unset debug_prefix
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unset local_var_empty
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return "${return_var_empty}"
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}
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# }}}
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define_vars() { # {{{
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debug_message "-- define_vars BEGIN"
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## If repo_url wasn't defined {{{
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is_var_empty "${repo_url-}" "|| " \
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&& repo_url="https://github.com/glpi-project/glpi-agent" \
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&& debug_message "| define_vars − Use value (${RED}${repo_url}${COLOR_DEBUG}) for repo_url variable."
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## }}}
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## If package_name wasn't defined (argument) {{{
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## Use default value
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is_var_empty "${package_name-}" "|| " \
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&& debug_message "| define_vars − Use default value (${RED}${PACKAGE_NAME_DEFAULT}${COLOR_DEBUG}) for package_name variable." \
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&& package_name="${PACKAGE_NAME_DEFAULT}"
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## }}}
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## Get new_version_major from application repository {{{
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new_version_major=$("${PROGDIR}"/releasetags "${repo_url}" | grep --invert-match --extended-regexp -- '(dev|rc)' | head --lines=1 | sed 's/v//g')
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if is_var_empty "${new_version_major-}" "|| "; then
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error_message "define_vars − Invalid value for ${package_name} new version (${new_version_major})." 1
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else
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debug_message "| define_vars − Get value (${RED}${new_version_major}${COLOR_DEBUG}) for new_version_major variable."
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fi
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## }}}
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## Get new_version_revision from official installer script {{{
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## Because Github release version don't integer revision number…
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## Download installer script
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installer_script_file="/tmp/glpi-agent-${new_version_major}-linux-installer.pl"
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installer_script_url="https://github.com/glpi-project/glpi-agent/releases/download/${new_version_major}/glpi-agent-${new_version_major}-linux-installer.pl"
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wget --quiet "${installer_script_url}" --output-document="${installer_script_file}"
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## Parse file to find any revision number
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new_version_revision=$(grep --text "^my \$DEBREVISION" -- "${installer_script_file}" | cut --delimiter=\" --fields=2)
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## Define new_version according to revision number
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if is_var_empty "${new_version_revision-}" "|| "; then
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debug_message "| define_vars − No revision for this package."
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new_version="${new_version_major}"
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else
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debug_message "| define_vars − There is a revision (${new_version_revision}) for this package."
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new_version="${new_version_major}-${new_version_revision}"
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fi
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debug_message "| define_vars − Set (${RED}${new_version}${COLOR_DEBUG}) for new_version variable."
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## }}}
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## If new_package_filename wasn't defined {{{
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is_var_empty "${new_package_filename-}" "|| " \
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&& new_package_filename="${package_name}_${new_version}_all.deb" \
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&& debug_message "| define_vars − Use value (${RED}${new_package_filename}${COLOR_DEBUG}) for new_package_filename variable."
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## }}}
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## If new_package_url wasn't defined {{{
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is_var_empty "${new_package_url-}" "|| " \
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&& new_package_url="${repo_url}/releases/download/${new_version_major}/${new_package_filename}" \
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&& debug_message "| define_vars − Use value (${RED}${new_package_url}${COLOR_DEBUG}) for new_package_url variable."
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## }}}
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## If new_version_file wasn't defined {{{
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is_var_empty "${new_version_file-}" "|| " \
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&& new_version_file="/tmp/.github.${package_name}.upgrade" \
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&& debug_message "| define_vars − Use value (${RED}${new_version_file}${COLOR_DEBUG}) for new_version_file variable."
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## }}}
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## If tmp_package_path wasn't defined {{{
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is_var_empty "${tmp_package_path-}" "|| " \
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&& tmp_package_path="/tmp/.${new_package_filename}" \
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&& debug_message "| define_vars − Use value (${RED}${tmp_package_path}${COLOR_DEBUG}) for tmp_package_path variable."
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## }}}
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## If new_package_path wasn't defined {{{
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is_var_empty "${new_package_path-}" "|| " \
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&& new_package_path="/tmp/${new_package_filename}" \
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&& debug_message "| define_vars − Use value (${RED}${new_package_path}${COLOR_DEBUG}) for new_package_path variable."
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## }}}
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## If check_mode wasn't defined (argument) {{{
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## Use default value
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is_var_empty "${check_mode-}" "|| " \
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&& debug_message "| define_vars − Use default value (${RED}${CHECK_MODE_DEFAULT}${COLOR_DEBUG}) for check_mode variable." \
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&& check_mode="${CHECK_MODE_DEFAULT}"
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## }}}
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## Get current_version according to the check_mode {{{
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case "${check_mode}" in
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"repo"|"repository" ) ## Check current version from repository
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current_version=$(apt-cache policy -- "${package_name}" | awk '/Candidate:/ {print $2}' | sed 's/.:\(.*\)/\1/')
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;;
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"file" ) ## Check current version from installed .deb file
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current_version=$(dpkg --list -- "${package_name}" | awk -v pattern="${package_name}" '$0~pattern {print $3}' | sed 's/.:\(.*\)-.*/\1/')
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;;
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* ) ## unknow mode
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error_message "define_vars − Invalid check mode: ${check_mode}. See help message with -h." 2
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;;
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esac
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## If current_version is empty
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is_var_empty "${current_version}" "|| " \
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&& error_message "define_vars − Error with current_version variable (${current_version}) for package (${package_name})." 2
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## }}}
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debug_message "-- define_vars END"
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}
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# }}}
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is_version_greater_than() { # {{{
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first_value="${1}"
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value_to_compare="${2}"
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debug_prefix="${3:-}"
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## Return False by default
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return_is_version_greater_than="1"
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debug_message "${debug_prefix}is_version_greater_than − \
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Is first value (${first_value}) greater than the second value (${value_to_compare})."
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if printf '%s\n' "${first_value}" "${value_to_compare}" | sort --check=quiet --version-sort; then
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debug_message "${debug_prefix}is_version_greater_than − ${first_value} <= ${value_to_compare} ."
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return_is_version_greater_than="1"
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else
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debug_message "${debug_prefix}is_version_greater_than − ${first_value} > ${value_to_compare} ."
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return_is_version_greater_than="0"
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fi
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unset first_value
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unset value_to_compare
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unset debug_prefix
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return "${return_is_version_greater_than}"
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}
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# }}}
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main() { # {{{
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debug_message "--- MAIN BEGIN"
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## Define all vars
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define_vars
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## Get current version from APT repository or from .deb package {{{
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## Uncomment variable(s) to simulate different behaviour
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#current_version="14-1"
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#new_version="22-1"
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if [ "${repository_mode}" -eq "0" ]; then
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debug_message "--- MAIN Check current version from ${RED}APT repositories${COLOR_DEBUG}."
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glpi_agent_current_version=$(apt-cache policy glpi-agent \
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| awk '/Candidate:/ {print $2}' \
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| sed 's/.:\(.*\)-.*/\1/')
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else
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debug_message "--- MAIN Check current version from ${RED}manually installed .deb package${COLOR_DEBUG}."
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glpi_agent_current_version=$(dpkg -l glpi-agent \
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| awk '/^ii.*glpi-agent/ {print $3}' \
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| sed 's/.:\(.*\)-.*/\1/')
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debug_message "-- Test version BEGIN"
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## If new_version is greater than current_version {{{
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if is_version_greater_than "${new_version}" "${current_version}" "|| "; then
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debug_message "| Current version (${current_version}) is older than new one \
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(${new_version})."
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### If it doesn't already exists, download the new package {{{
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if [ ! -f "${new_package_path}" ]; then
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debug_message "| Download .deb file from ${package_name} repository on Github to: ${new_package_path} ."
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wget --quiet "${new_package_url}" --output-document="${new_package_path}"
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fi
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### }}}
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## }}}
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## Get latest version from project repository {{{
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### OR Exit with error message
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debug_message "--- MAIN Check latest version from project repository (${RED}${GLPI_AGENT_REPO_URL}${COLOR_DEBUG})."
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glpi_agent_latest_version=$("${PROGDIR}/releasetags" "${GLPI_AGENT_REPO_URL}" | head --lines=1 \
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|| error_message "Can't get latest GLPI Agent version from repository (${GLPI_AGENT_REPO_URL})." 02 )
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## }}}
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## If any of the two variables is empty {{{
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### OR Exit with error message
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is_var_empty "${glpi_agent_current_version}" "${glpi_agent_latest_version}" \
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&& error_message "At least one variable is empty (current version : ${glpi_agent_current_version}, latest version : ${glpi_agent_latest_version}) !" 04
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## }}}
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# Check if the current version is the last one {{{
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## If the two versions are the same {{{
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if [ "${glpi_agent_current_version}" = "${glpi_agent_latest_version}" ]; then
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debug_message "Test version − \
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The current GLPI Agent version (${RED}${glpi_agent_current_version}${COLOR_DEBUG}) is up-to-date."
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### Ensure to remove any temp file
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rm --force -- "${GLPI_AGENT_NEW_VERSION_FILE}"
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exit 0
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## }}}
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## If the versions are different {{{
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## If current version is uptodate {{{
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else
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debug_message "Test version − \
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Current version (${RED}${glpi_agent_current_version}${COLOR_DEBUG}) and latest one (${RED}${glpi_agent_latest_version}${COLOR_DEBUG}) seems to be different."
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## Create a temp file to monitor
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touch -- "${GLPI_AGENT_NEW_VERSION_FILE}"
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debug_message "An upgrade is available for GLPI Agent (current : ${glpi_agent_current_version}) : ${glpi_agent_latest_version}." >> "${GLPI_AGENT_NEW_VERSION_FILE}"
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debug_message "| Current version (${current_version}) seems uptodate \
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or newer than available version (${new_version})."
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### Ensure to remove any temp file and useless .deb files
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rm --force -- "${new_version_file}" "${new_package_path}" "${tmp_package_path}"
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### Exit
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debug_message "-- Test version END"
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debug_message "--- MAIN END"
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exit 0
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fi
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## }}}
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debug_message "-- Test version END"
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## Verify downloaded package {{{
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debug_message "-- Verify downloaded package BEGIN"
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## If the downloaded package has a size greater than zero {{{
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if [ -s "${new_package_path}" ]; then
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debug_message "| Downloaded package looks good."
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### Create a temp file to monitor
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touch -- "${new_version_file}"
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printf '\e[1;35m%-6s\e[m\n' "An upgrade is available for ${package_name} terminal (current : ${current_version}) : ${new_version}." >> "${new_version_file}"
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## }}}
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## If the size is null {{{
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else
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debug_message "| Empty file, don't need to go further."
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### Ensure to remove the file to monitor
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rm --force -- "${new_version_file}"
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### Keep a record of the downloaded package because as a new release might come soon
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mv --force -- "${new_package_path}" "${tmp_package_path}"
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fi
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## }}}
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debug_message "-- Verify downloaded package END"
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# }}}
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debug_message "--- MAIN END"
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# Exit
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exit 0
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}
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# }}}
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@ -201,8 +315,15 @@ if [ ! "${NBARGS}" -eq "0" ]; then
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manage_arg="0"
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## If the first argument ask for help (h|help|-h|-help|-*h|-*help) {{{
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if printf -- '%s' "${1-}" | grep --quiet --extended-regexp -- "^-*h(elp)?$"; then
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usage
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exit 0
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fi
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## }}}
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## If the first argument is not an option
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if ! printf -- '%s' "${1}" | grep -q -E -- "^-+";
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if ! printf -- '%s' "${1}" | grep --quiet --extended-regexp -- "^-+";
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then
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## Print help message and exit
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printf '%b\n' "${RED}Invalid option: ${1}${RESET}"
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@ -213,20 +334,20 @@ if [ ! "${NBARGS}" -eq "0" ]; then
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fi
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# Parse all options (start with a "-") one by one
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while printf -- '%s' "${1}" | grep -q -E -- "^-+"; do
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while printf -- '%s' "${1-}" | grep --quiet --extended-regexp -- "^-+"; do
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case "${1}" in
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--debug ) ## debug
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-d|--debug ) ## debug
|
||||
DEBUG=0
|
||||
debug_message "--- Manage argument BEGIN"
|
||||
;;
|
||||
-h|--help ) ## help
|
||||
usage
|
||||
## Exit after help informations
|
||||
exit 0
|
||||
-f|--file|--files|-p|--package ) ## Define check_mode to file mode
|
||||
## Define var
|
||||
readonly check_mode="file"
|
||||
;;
|
||||
-r|--repo|--repository ) ## Set repository_mode
|
||||
repository_mode=0
|
||||
--repo|--repository ) ## Define check_mode to repo mode
|
||||
## Define var
|
||||
readonly check_mode="repo"
|
||||
;;
|
||||
* ) ## unknow option
|
||||
printf '%b\n' "${RED}Invalid option: ${1}${RESET}"
|
||||
|
|
@ -254,4 +375,5 @@ fi
|
|||
|
||||
main
|
||||
|
||||
# This should never be reach
|
||||
exit 255
|
||||
|
|
|
|||
Loading…
Reference in New Issue