Make release scripts fully standalone

remove self and auto update code from main script only inject when install.sh is used show update help only if possible GUPLOAD_INSTALLED_WITH variable is checked, it should be equal to script this will also help in integrating to package managers
labbots · Nov 7, 2020 · 5c7340d · 5c7340d
1 parent f040e2e
commit 5c7340d
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diff --git a/bash/release/gupload b/bash/release/gupload
@@ -964,10 +964,10 @@ Options:\n
   --hide - This flag will prevent the script to print sensitive information like root folder id or drivelink.\n
   -v | --verbose - Display detailed message (only for non-parallel uploads).\n
   -V | --verbose-progress - Display detailed message and detailed upload progress(only for non-parallel uploads).\n
-  --skip-internet-check - Do not check for internet connection, recommended to use in sync jobs.\n
-  -u | --update - Update the installed script in your system.\n
+  --skip-internet-check - Do not check for internet connection, recommended to use in sync jobs.
+  $([[ ${GUPLOAD_INSTALLED_WITH} = script ]] && printf '%s\n' '\n  -u | --update - Update the installed script in your system.\n
+  -U | --uninstall - Uninstall script, remove related files.\n')
   --info - Show detailed info, only if script is installed system wide.\n
-  -U | --uninstall - Uninstall script, remove related files.\n
   -D | --debug - Display script command trace.\n
   -h | --help - Display this message.\n"
     exit 0
@@ -978,71 +978,6 @@ _short_help() {
     exit 0
 }
 
-###################################################
-# Automatic updater, only update if script is installed system wide.
-# Globals: 5 variables, 2 functions
-#   COMMAND_NAME, REPO, INSTALL_PATH, TYPE, TYPE_VALUE | _update, _update_value
-# Arguments: None
-# Result: On
-#   Update if AUTO_UPDATE_INTERVAL + LAST_UPDATE_TIME less than printf "%(%s)T\\n" "-1"
-###################################################
-_auto_update() {
-    export REPO
-    command -v "${COMMAND_NAME}" 1> /dev/null &&
-        if [[ -n "${REPO:+${COMMAND_NAME:+${INSTALL_PATH:+${TYPE:+${TYPE_VALUE}}}}}" ]]; then
-            current_time="$(printf "%(%s)T\\n" "-1")"
-            [[ $((LAST_UPDATE_TIME + AUTO_UPDATE_INTERVAL)) -lt ${current_time} ]] && _update
-            _update_value LAST_UPDATE_TIME "${current_time}"
-        fi
-    return 0
-}
-
-###################################################
-# Install/Update/uninstall the script.
-# Globals: 4 variables
-#   Varibles - HOME, REPO, TYPE_VALUE, GLOBAL_INSTALL
-# Arguments: 1
-#   ${1} = uninstall or update
-# Result: On
-#   ${1} = nothing - Update the script if installed, otherwise install.
-#   ${1} = uninstall - uninstall the script
-###################################################
-_update() {
-    declare job="${1:-update}"
-    [[ ${GLOBAL_INSTALL} = true ]] && ! [[ $(id -u) = 0 ]] && printf "%s\n" "Error: Need root access to update." && return 0
-    [[ ${job} =~ uninstall ]] && job_uninstall="--uninstall"
-    _print_center "justify" "Fetching ${job} script.." "-"
-    declare repo="${REPO:-labbots/google-drive-upload}" type_value="${TYPE_VALUE:-latest}" cmd="${COMMAND_NAME:-gupload}" path="${INSTALL_PATH:-${HOME}/.google-drive-upload/bin}"
-    { [[ ${TYPE:-} != branch ]] && type_value="$(_get_latest_sha release "${type_value}" "${repo}")"; } || :
-    if script="$(curl --compressed -Ls "https://github.com/${repo}/raw/${type_value}/install.sh")"; then
-        _clear_line 1
-        printf "%s\n" "${script}" | bash -s -- ${job_uninstall:-} --skip-internet-check --cmd "${cmd}" --path "${path}"
-        current_time="$(printf "%(%s)T\\n" "-1")"
-        [[ -z ${job_uninstall} ]] && _update_value LAST_UPDATE_TIME "${current_time}" &
-    else
-        _clear_line 1
-        "${QUIET:-_print_center}" "justify" "Error: Cannot download ${job} script." "=" 1>&2
-        return 1
-    fi
-    return 0
-}
-
-###################################################
-# Update in-script values
-###################################################
-_update_value() {
-    declare command_path="${INSTALL_PATH:?}/${COMMAND_NAME}" \
-        value_name="${1:-}" value="${2:-}" script_without_value_and_shebang
-    script_without_value_and_shebang="$(grep -v "${value_name}=\".*\".* # added values" "${command_path}" | sed 1d)"
-    new_script="$(
-        sed -n 1p "${command_path}"
-        printf "%s\n" "${value_name}=\"${value}\" # added values"
-        printf "%s\n" "${script_without_value_and_shebang}"
-    )"
-    chmod +w "${command_path}" && printf "%s\n" "${new_script}" >| "${command_path}" && chmod -w "${command_path}"
-    return 0
-}
-
 ###################################################
 # Print info if installed
 # Globals: 7 variable
@@ -1142,8 +1077,6 @@ _setup_arguments() {
         case "${1}" in
             -h | --help) _usage ;;
             -D | --debug) DEBUG="true" && export DEBUG ;;
-            -u | --update) _check_debug && _update && exit "${?}" ;;
-            --uninstall) _check_debug && _update uninstall && exit "${?}" ;;
             --info) _version_info ;;
             -c | -C | --create-dir)
                 _check_longoptions "${1}" "${2}"
@@ -1229,6 +1162,12 @@ _setup_arguments() {
             '') shorthelp ;;
             *) # Check if user meant it to be a flag
                 if [[ ${1} = -* ]]; then
+                    [[ ${GUPLOAD_INSTALLED_WITH} = script ]] && {
+                        case "${1}" in
+                            -u | --update) _check_debug && _update && exit "${?}" ;;
+                            --uninstall) _check_debug && _update uninstall && exit "${?}" ;;
+                        esac
+                    }
                     printf '%s: %s: Unknown option\nTry '"%s -h/--help"' for more information.\n' "${0##*/}" "${1}" "${0##*/}" && exit 1
                 else
                     if [[ ${1} =~ (drive.google.com|docs.google.com) ]]; then
@@ -1700,7 +1639,7 @@ main() {
                 printf "\n\n%s\n" "Script exited manually."
                 kill -- -$$ &
             else
-                { _cleanup_config "${CONFIG}" && _auto_update; } 1>| /dev/null &
+                { _cleanup_config "${CONFIG}" && [[ ${GUPLOAD_INSTALLED_WITH} = script ]] && _auto_update; } 1>| /dev/null &
             fi
         } 2>| /dev/null || :
         return 0

diff --git a/bash/upload.bash b/bash/upload.bash
@@ -31,10 +31,10 @@ Options:\n
   --hide - This flag will prevent the script to print sensitive information like root folder id or drivelink.\n
   -v | --verbose - Display detailed message (only for non-parallel uploads).\n
   -V | --verbose-progress - Display detailed message and detailed upload progress(only for non-parallel uploads).\n
-  --skip-internet-check - Do not check for internet connection, recommended to use in sync jobs.\n
-  -u | --update - Update the installed script in your system.\n
+  --skip-internet-check - Do not check for internet connection, recommended to use in sync jobs.
+  $([[ ${GUPLOAD_INSTALLED_WITH} = script ]] && printf '%s\n' '\n  -u | --update - Update the installed script in your system.\n
+  -U | --uninstall - Uninstall script, remove related files.\n')
   --info - Show detailed info, only if script is installed system wide.\n
-  -U | --uninstall - Uninstall script, remove related files.\n
   -D | --debug - Display script command trace.\n
   -h | --help - Display this message.\n"
     exit 0
@@ -45,71 +45,6 @@ _short_help() {
     exit 0
 }
 
-###################################################
-# Automatic updater, only update if script is installed system wide.
-# Globals: 5 variables, 2 functions
-#   COMMAND_NAME, REPO, INSTALL_PATH, TYPE, TYPE_VALUE | _update, _update_value
-# Arguments: None
-# Result: On
-#   Update if AUTO_UPDATE_INTERVAL + LAST_UPDATE_TIME less than printf "%(%s)T\\n" "-1"
-###################################################
-_auto_update() {
-    export REPO
-    command -v "${COMMAND_NAME}" 1> /dev/null &&
-        if [[ -n "${REPO:+${COMMAND_NAME:+${INSTALL_PATH:+${TYPE:+${TYPE_VALUE}}}}}" ]]; then
-            current_time="$(printf "%(%s)T\\n" "-1")"
-            [[ $((LAST_UPDATE_TIME + AUTO_UPDATE_INTERVAL)) -lt ${current_time} ]] && _update
-            _update_value LAST_UPDATE_TIME "${current_time}"
-        fi
-    return 0
-}
-
-###################################################
-# Install/Update/uninstall the script.
-# Globals: 4 variables
-#   Varibles - HOME, REPO, TYPE_VALUE, GLOBAL_INSTALL
-# Arguments: 1
-#   ${1} = uninstall or update
-# Result: On
-#   ${1} = nothing - Update the script if installed, otherwise install.
-#   ${1} = uninstall - uninstall the script
-###################################################
-_update() {
-    declare job="${1:-update}"
-    [[ ${GLOBAL_INSTALL} = true ]] && ! [[ $(id -u) = 0 ]] && printf "%s\n" "Error: Need root access to update." && return 0
-    [[ ${job} =~ uninstall ]] && job_uninstall="--uninstall"
-    _print_center "justify" "Fetching ${job} script.." "-"
-    declare repo="${REPO:-labbots/google-drive-upload}" type_value="${TYPE_VALUE:-latest}" cmd="${COMMAND_NAME:-gupload}" path="${INSTALL_PATH:-${HOME}/.google-drive-upload/bin}"
-    { [[ ${TYPE:-} != branch ]] && type_value="$(_get_latest_sha release "${type_value}" "${repo}")"; } || :
-    if script="$(curl --compressed -Ls "https://github.com/${repo}/raw/${type_value}/install.sh")"; then
-        _clear_line 1
-        printf "%s\n" "${script}" | bash -s -- ${job_uninstall:-} --skip-internet-check --cmd "${cmd}" --path "${path}"
-        current_time="$(printf "%(%s)T\\n" "-1")"
-        [[ -z ${job_uninstall} ]] && _update_value LAST_UPDATE_TIME "${current_time}" &
-    else
-        _clear_line 1
-        "${QUIET:-_print_center}" "justify" "Error: Cannot download ${job} script." "=" 1>&2
-        return 1
-    fi
-    return 0
-}
-
-###################################################
-# Update in-script values
-###################################################
-_update_value() {
-    declare command_path="${INSTALL_PATH:?}/${COMMAND_NAME}" \
-        value_name="${1:-}" value="${2:-}" script_without_value_and_shebang
-    script_without_value_and_shebang="$(grep -v "${value_name}=\".*\".* # added values" "${command_path}" | sed 1d)"
-    new_script="$(
-        sed -n 1p "${command_path}"
-        printf "%s\n" "${value_name}=\"${value}\" # added values"
-        printf "%s\n" "${script_without_value_and_shebang}"
-    )"
-    chmod +w "${command_path}" && printf "%s\n" "${new_script}" >| "${command_path}" && chmod -w "${command_path}"
-    return 0
-}
-
 ###################################################
 # Print info if installed
 # Globals: 7 variable
@@ -209,8 +144,6 @@ _setup_arguments() {
         case "${1}" in
             -h | --help) _usage ;;
             -D | --debug) DEBUG="true" && export DEBUG ;;
-            -u | --update) _check_debug && _update && exit "${?}" ;;
-            --uninstall) _check_debug && _update uninstall && exit "${?}" ;;
             --info) _version_info ;;
             -c | -C | --create-dir)
                 _check_longoptions "${1}" "${2}"
@@ -296,6 +229,12 @@ _setup_arguments() {
             '') shorthelp ;;
             *) # Check if user meant it to be a flag
                 if [[ ${1} = -* ]]; then
+                    [[ ${GUPLOAD_INSTALLED_WITH} = script ]] && {
+                        case "${1}" in
+                            -u | --update) _check_debug && _update && exit "${?}" ;;
+                            --uninstall) _check_debug && _update uninstall && exit "${?}" ;;
+                        esac
+                    }
                     printf '%s: %s: Unknown option\nTry '"%s -h/--help"' for more information.\n' "${0##*/}" "${1}" "${0##*/}" && exit 1
                 else
                     if [[ ${1} =~ (drive.google.com|docs.google.com) ]]; then
@@ -767,7 +706,7 @@ main() {
                 printf "\n\n%s\n" "Script exited manually."
                 kill -- -$$ &
             else
-                { _cleanup_config "${CONFIG}" && _auto_update; } 1>| /dev/null &
+                { _cleanup_config "${CONFIG}" && [[ ${GUPLOAD_INSTALLED_WITH} = script ]] && _auto_update; } 1>| /dev/null &
             fi
         } 2>| /dev/null || :
         return 0

diff --git a/install.sh b/install.sh
@@ -361,17 +361,90 @@ _variables() {
         date +'%s'
     fi)" && export LAST_UPDATE_TIME
     GLOBAL_INSTALL="false"
+    export GUPLOAD_INSTALLED_WITH="script"
 
     [ -n "${SKIP_SYNC}" ] && SYNC_COMMAND_NAME=""
-    export VALUES_LIST="REPO COMMAND_NAME ${SYNC_COMMAND_NAME:+SYNC_COMMAND_NAME} INSTALL_PATH TYPE TYPE_VALUE SHELL_RC LAST_UPDATE_TIME AUTO_UPDATE_INTERVAL INSTALLATION GUPLOAD_SCRIPT_SHA GSYNC_SCRIPT_SHA GLOBAL_INSTALL"
+    export VALUES_LIST="REPO COMMAND_NAME ${SYNC_COMMAND_NAME:+SYNC_COMMAND_NAME} INSTALL_PATH TYPE TYPE_VALUE SHELL_RC LAST_UPDATE_TIME AUTO_UPDATE_INTERVAL INSTALLATION GUPLOAD_SCRIPT_SHA GSYNC_SCRIPT_SHA GLOBAL_INSTALL GUPLOAD_INSTALLED_WITH"
 
-    VALUES_REGEX="" && for i in VALUES_LIST REPO COMMAND_NAME ${SYNC_COMMAND_NAME:+SYNC_COMMAND_NAME} INSTALL_PATH TYPE TYPE_VALUE SHELL_RC LAST_UPDATE_TIME AUTO_UPDATE_INTERVAL INSTALLATION GUPLOAD_SCRIPT_SHA GSYNC_SCRIPT_SHA GLOBAL_INSTALL; do
+    VALUES_REGEX="" && for i in VALUES_LIST REPO COMMAND_NAME ${SYNC_COMMAND_NAME:+SYNC_COMMAND_NAME} INSTALL_PATH TYPE TYPE_VALUE SHELL_RC LAST_UPDATE_TIME AUTO_UPDATE_INTERVAL INSTALLATION GUPLOAD_SCRIPT_SHA GSYNC_SCRIPT_SHA GLOBAL_INSTALL GUPLOAD_INSTALLED_WITH; do
         VALUES_REGEX="${VALUES_REGEX:+${VALUES_REGEX}|}^${i}=\".*\".* # added values"
     done
 
     return 0
 }
 
+###################################################
+# For self and automatic updates
+###################################################
+_print_self_update_code() {
+    cat << 'EOF'
+###################################################
+# Automatic updater, only update if script is installed system wide.
+# Globals: 5 variables, 2 functions
+#   COMMAND_NAME, REPO, INSTALL_PATH, TYPE, TYPE_VALUE | _update, _update_value
+# Arguments: None
+# Result: On
+#   Update if AUTO_UPDATE_INTERVAL + LAST_UPDATE_TIME less than printf "%(%s)T\\n" "-1"
+###################################################
+_auto_update() {
+    export REPO
+    command -v "${COMMAND_NAME}" 1> /dev/null &&
+        if [ -n "${REPO:+${COMMAND_NAME:+${INSTALL_PATH:+${TYPE:+${TYPE_VALUE}}}}}" ]; then
+            current_time="$(date +'%s')"
+            [ "$((LAST_UPDATE_TIME + AUTO_UPDATE_INTERVAL))" -lt "$(date +'%s')" ] && _update
+            _update_value LAST_UPDATE_TIME "${current_time}"
+        fi
+    return 0
+}
+
+###################################################
+# Install/Update/uninstall the script.
+# Globals: 4 variables
+#   Varibles - HOME, REPO, TYPE_VALUE, GLOBAL_INSTALL
+# Arguments: 1
+#   ${1} = uninstall or update
+# Result: On
+#   ${1} = nothing - Update the script if installed, otherwise install.
+#   ${1} = uninstall - uninstall the script
+###################################################
+_update() {
+    job_update="${1:-update}"
+    [ "${GLOBAL_INSTALL}" = true ] && ! [ "$(id -u)" = 0 ] && printf "%s\n" "Error: Need root access to update." && return 0
+    [ "${job_update}" = uninstall ] && job_uninstall="--uninstall"
+    _print_center "justify" "Fetching ${job_update} script.." "-"
+    repo_update="${REPO:-labbots/google-drive-upload}" type_value_update="${TYPE_VALUE:-latest}" cmd_update="${COMMAND_NAME:-gupload}" path_update="${INSTALL_PATH:-${HOME}/.google-drive-upload/bin}"
+    { [ "${TYPE:-}" != branch ] && type_value_update="$(_get_latest_sha release "${type_value_update}" "${repo_update}")"; } || :
+    if script_update="$(curl --compressed -Ls "https://github.com/${repo_update}/raw/${type_value_update}/install.sh")"; then
+        _clear_line 1
+        printf "%s\n" "${script_update}" | sh -s -- ${job_uninstall:-} --skip-internet-check --cmd "${cmd_update}" --path "${path_update}"
+        current_time="$(date +'%s')"
+        [ -z "${job_uninstall}" ] && _update_value LAST_UPDATE_TIME "${current_time}"
+    else
+        _clear_line 1
+        "${QUIET:-_print_center}" "justify" "Error: Cannot download" " ${job_update} script." "=" 1>&2
+        return 1
+    fi
+    return 0
+}
+
+###################################################
+# Update in-script values
+###################################################
+_update_value() {
+    command_path="${INSTALL_PATH:?}/${COMMAND_NAME}"
+    value_name="${1:-}" value="${2:-}"
+    script_without_value_and_shebang="$(grep -v "${value_name}=\".*\".* # added values" "${command_path}" | sed 1d)"
+    new_script="$(
+        sed -n 1p "${command_path}"
+        printf "%s\n" "${value_name}=\"${value}\" # added values"
+        printf "%s\n" "${script_without_value_and_shebang}"
+    )"
+    chmod +w "${command_path}" && printf "%s\n" "${new_script}" >| "${command_path}" && chmod -w "${command_path}"
+    return 0
+}
+EOF
+}
+
 ###################################################
 # Download scripts
 ###################################################
@@ -417,10 +490,11 @@ _inject_values() {
     chmod +w "${INSTALL_PATH}/${COMMAND_NAME}"
     {
         printf "%s\n" "${shebang}"
-        for i in VALUES_LIST REPO COMMAND_NAME ${SYNC_COMMAND_NAME:+SYNC_COMMAND_NAME} INSTALL_PATH TYPE TYPE_VALUE SHELL_RC LAST_UPDATE_TIME AUTO_UPDATE_INTERVAL INSTALLATION GUPLOAD_SCRIPT_SHA GSYNC_SCRIPT_SHA GLOBAL_INSTALL; do
+        for i in VALUES_LIST REPO COMMAND_NAME ${SYNC_COMMAND_NAME:+SYNC_COMMAND_NAME} INSTALL_PATH TYPE TYPE_VALUE SHELL_RC LAST_UPDATE_TIME AUTO_UPDATE_INTERVAL INSTALLATION GUPLOAD_SCRIPT_SHA GSYNC_SCRIPT_SHA GLOBAL_INSTALL GUPLOAD_INSTALLED_WITH; do
             printf "%s\n" "${i}=\"$(eval printf "%s" \"\$"${i}"\")\" # added values"
         done
         printf "%s\n" "LATEST_INSTALLED_SHA=\"${LATEST_CURRENT_SHA}\" # added values"
+        _print_self_update_code # inject the self and auto update functions
         printf "%s\n" "${script_without_values_and_shebang}"
     } 1>| "${INSTALL_PATH}/${COMMAND_NAME}"