other: replace deprecated `value_of` and `is_present` in clap

* Upgrade clap to 3.2.2 to allow future fix warnings

* cargo fmt fix

* Replaced deprecated `value_of` and `is_present`, builds with no warnings, clap 3.2.2

* cargo fmt

* updated according to comments. builds fine, cargo test fine

* Match some versions

* Update Cargo.lock

* Fix typo, mb

---------

Co-authored-by: Clement Tsang <34804052+ClementTsang@users.noreply.github.com>

6 files changed, 70 insertions, 66 deletions

diff --git a/Cargo.lock b/Cargo.lock
index 170cebb3..949deed9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -304,9 +304,9 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "clap"
-version = "3.1.12"
+version = "3.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7c167e37342afc5f33fd87bbc870cedd020d2a6dffa05d45ccd9241fbdd146db"
+checksum = "8e538f9ee5aa3b3963f09a997035f883677966ed50fce0292611927ce6f6d8c6"
 dependencies = [
  "atty",
  "bitflags",
@@ -321,27 +321,27 @@ dependencies = [
 
 [[package]]
 name = "clap_complete"
-version = "3.1.2"
+version = "3.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1506b87ee866f7a53a5131f7b31fba656170d797e873d0609884cfd56b8bbda8"
+checksum = "3f7a2e0a962c45ce25afce14220bc24f9dade0a1787f185cecf96bfba7847cd8"
 dependencies = [
  "clap",
 ]
 
 [[package]]
 name = "clap_lex"
-version = "0.1.1"
+version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "189ddd3b5d32a70b35e7686054371742a937b0d99128e76dde6340210e966669"
+checksum = "2850f2f5a82cbf437dd5af4d49848fbdfc27c157c3d010345776f952765261c5"
 dependencies = [
  "os_str_bytes",
 ]
 
 [[package]]
 name = "clap_mangen"
-version = "0.1.6"
+version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ca2ff85c3fa1e7c1a4229f7b4221f769757c3982e2afd3e6d9381d59db2c7e61"
+checksum = "105180c05a72388d5f5e4e4f6c79eecb92497bda749fa8f963a16647c5d5377f"
 dependencies = [
  "clap",
  "roff",
diff --git a/Cargo.toml b/Cargo.toml
index 30c6c524..8bc91018 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -65,7 +65,7 @@ deploy = ["battery", "gpu", "zfs"]
 anyhow = "1.0.57"
 backtrace = "0.3.67"
 cfg-if = "1.0.0"
-clap = { version = "3.1.12", features = ["default", "cargo", "wrap_help"] }
+clap = { version = "3.2.2", features = ["default", "cargo", "wrap_help"] }
 concat-string = "1.0.1"
 const_format = "0.2.30"
 crossterm = "0.25.0"
@@ -115,6 +115,7 @@ features = ["user-hooks"]
 [target.'cfg(target_os = "windows")'.dependencies]
 heim = { version = "0.1.0-rc.1", features = ["cpu", "disk", "memory"] }
 windows = { version = "0.44.0", features = ["Win32_System_Threading", "Win32_Foundation"] }
+
 winapi = "0.3.9"
 
 [target.'cfg(target_os = "freebsd")'.dependencies]
@@ -127,9 +128,9 @@ assert_cmd = "2.0.4"
 predicates = "2.1.1"
 
 [build-dependencies]
-clap = { version = "3.1.12", features = ["default", "cargo", "wrap_help"] }
-clap_complete = "3.1.2"
-clap_mangen = "0.1.6"
+clap = { version = "3.2.2", features = ["default", "cargo", "wrap_help"] }
+clap_complete = "3.2.4"
+clap_mangen = "0.1.11"
 
 [package.metadata.deb]
 section = "utility"
diff --git a/src/bin/main.rs b/src/bin/main.rs
index fe0b39fa..328cd7a0 100644
--- a/src/bin/main.rs
+++ b/src/bin/main.rs
@@ -43,7 +43,7 @@ fn main() -> Result<()> {
     check_if_terminal();
 
     // Read from config file.
-    let config_path = read_config(matches.value_of("config_location"))
+    let config_path = read_config(matches.get_one::<String>("config_location"))
         .context("Unable to access the given config file location.")?;
     let mut config: Config = create_or_get_config(&config_path)
         .context("Unable to properly parse or create the config file.")?;
diff --git a/src/clap.rs b/src/clap.rs
index f3333d8c..c7fa155b 100644
--- a/src/clap.rs
+++ b/src/clap.rs
@@ -1,3 +1,4 @@
+use clap::builder::PossibleValuesParser;
 use clap::*;
 
 const TEMPLATE: &str = "\
@@ -237,14 +238,14 @@ pub fn build_app() -> Command<'static> {
         .long("color")
         .takes_value(true)
         .value_name("COLOR SCHEME")
-        .possible_values([
+        .value_parser(PossibleValuesParser::new([
             "default",
             "default-light",
             "gruvbox",
             "gruvbox-light",
             "nord",
             "nord-light",
-        ])
+        ]))
         .hide_possible_values(true)
         .help("Use a color scheme, use --help for info.")
         .long_help(
diff --git a/src/lib.rs b/src/lib.rs
index 33efbf42..ebc8baf5 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -200,9 +200,9 @@ pub fn handle_key_event_or_break(
     false
 }
 
-pub fn read_config(config_location: Option<&str>) -> error::Result<Option<PathBuf>> {
+pub fn read_config(config_location: Option<&String>) -> error::Result<Option<PathBuf>> {
     let config_path = if let Some(conf_loc) = config_location {
-        Some(PathBuf::from(conf_loc))
+        Some(PathBuf::from(conf_loc.as_str()))
     } else if cfg!(target_os = "windows") {
         if let Some(home_path) = dirs::config_dir() {
             let mut path = home_path;
diff --git a/src/options.rs b/src/options.rs
index 08690537..28c49a61 100644
--- a/src/options.rs
+++ b/src/options.rs
@@ -498,7 +498,7 @@ pub fn get_widget_layout(
 }
 
 fn get_update_rate_in_milliseconds(matches: &ArgMatches, config: &Config) -> error::Result<u64> {
-    let update_rate_in_milliseconds = if let Some(update_rate) = matches.value_of("rate") {
+    let update_rate_in_milliseconds = if let Some(update_rate) = matches.get_one::<String>("rate") {
         update_rate.parse::<u64>().map_err(|_| {
             BottomError::ConfigError(
                 "could not parse as a valid 64-bit unsigned integer".to_string(),
@@ -526,11 +526,11 @@ fn get_update_rate_in_milliseconds(matches: &ArgMatches, config: &Config) -> err
 fn get_temperature(
     matches: &ArgMatches, config: &Config,
 ) -> error::Result<data_harvester::temperature::TemperatureType> {
-    if matches.is_present("fahrenheit") {
+    if matches.contains_id("fahrenheit") {
         return Ok(data_harvester::temperature::TemperatureType::Fahrenheit);
-    } else if matches.is_present("kelvin") {
+    } else if matches.contains_id("kelvin") {
         return Ok(data_harvester::temperature::TemperatureType::Kelvin);
-    } else if matches.is_present("celsius") {
+    } else if matches.contains_id("celsius") {
         return Ok(data_harvester::temperature::TemperatureType::Celsius);
     } else if let Some(flags) = &config.flags {
         if let Some(temp_type) = &flags.temperature_type {
@@ -551,7 +551,7 @@ fn get_temperature(
 
 /// Yes, this function gets whether to show average CPU (true) or not (false)
 fn get_show_average_cpu(matches: &ArgMatches, config: &Config) -> bool {
-    if matches.is_present("hide_avg_cpu") {
+    if matches.contains_id("hide_avg_cpu") {
         return false;
     } else if let Some(flags) = &config.flags {
         if let Some(avg_cpu) = flags.hide_avg_cpu {
@@ -563,7 +563,7 @@ fn get_show_average_cpu(matches: &ArgMatches, config: &Config) -> bool {
 }
 
 fn get_use_dot(matches: &ArgMatches, config: &Config) -> bool {
-    if matches.is_present("dot_marker") {
+    if matches.contains_id("dot_marker") {
         return true;
     } else if let Some(flags) = &config.flags {
         if let Some(dot_marker) = flags.dot_marker {
@@ -574,7 +574,7 @@ fn get_use_dot(matches: &ArgMatches, config: &Config) -> bool {
 }
 
 fn get_use_left_legend(matches: &ArgMatches, config: &Config) -> bool {
-    if matches.is_present("left_legend") {
+    if matches.contains_id("left_legend") {
         return true;
     } else if let Some(flags) = &config.flags {
         if let Some(left_legend) = flags.left_legend {
@@ -586,7 +586,7 @@ fn get_use_left_legend(matches: &ArgMatches, config: &Config) -> bool {
 }
 
 fn get_use_current_cpu_total(matches: &ArgMatches, config: &Config) -> bool {
-    if matches.is_present("current_usage") {
+    if matches.contains_id("current_usage") {
         return true;
     } else if let Some(flags) = &config.flags {
         if let Some(current_usage) = flags.current_usage {
@@ -598,7 +598,7 @@ fn get_use_current_cpu_total(matches: &ArgMatches, config: &Config) -> bool {
 }
 
 fn get_unnormalized_cpu(matches: &ArgMatches, config: &Config) -> bool {
-    if matches.is_present("unnormalized_cpu") {
+    if matches.contains_id("unnormalized_cpu") {
         return true;
     } else if let Some(flags) = &config.flags {
         if let Some(unnormalized_cpu) = flags.unnormalized_cpu {
@@ -610,7 +610,7 @@ fn get_unnormalized_cpu(matches: &ArgMatches, config: &Config) -> bool {
 }
 
 fn get_use_basic_mode(matches: &ArgMatches, config: &Config) -> bool {
-    if matches.is_present("basic") {
+    if matches.contains_id("basic") {
         return true;
     } else if let Some(flags) = &config.flags {
         if let Some(basic) = flags.basic {
@@ -625,21 +625,22 @@ fn get_use_basic_mode(matches: &ArgMatches, config: &Config) -> bool {
 fn get_default_time_value(
     matches: &ArgMatches, config: &Config, retention_ms: u64,
 ) -> error::Result<u64> {
-    let default_time = if let Some(default_time_value) = matches.value_of("default_time_value") {
-        default_time_value.parse::<u64>().map_err(|_| {
-            BottomError::ConfigError(
-                "could not parse as a valid 64-bit unsigned integer".to_string(),
-            )
-        })?
-    } else if let Some(flags) = &config.flags {
-        if let Some(default_time_value) = flags.default_time_value {
-            default_time_value
+    let default_time =
+        if let Some(default_time_value) = matches.get_one::<String>("default_time_value") {
+            default_time_value.parse::<u64>().map_err(|_| {
+                BottomError::ConfigError(
+                    "could not parse as a valid 64-bit unsigned integer".to_string(),
+                )
+            })?
+        } else if let Some(flags) = &config.flags {
+            if let Some(default_time_value) = flags.default_time_value {
+                default_time_value
+            } else {
+                DEFAULT_TIME_MILLISECONDS
+            }
         } else {
             DEFAULT_TIME_MILLISECONDS
-        }
-    } else {
-        DEFAULT_TIME_MILLISECONDS
-    };
+        };
 
     if default_time < 30000 {
         return Err(BottomError::ConfigError(
@@ -658,7 +659,7 @@ fn get_default_time_value(
 fn get_time_interval(
     matches: &ArgMatches, config: &Config, retention_ms: u64,
 ) -> error::Result<u64> {
-    let time_interval = if let Some(time_interval) = matches.value_of("time_delta") {
+    let time_interval = if let Some(time_interval) = matches.get_one::<String>("time_delta") {
         time_interval.parse::<u64>().map_err(|_| {
             BottomError::ConfigError(
                 "could not parse as a valid 64-bit unsigned integer".to_string(),
@@ -689,7 +690,7 @@ fn get_time_interval(
 }
 
 pub fn get_app_grouping(matches: &ArgMatches, config: &Config) -> bool {
-    if matches.is_present("group") {
+    if matches.contains_id("group") {
         return true;
     } else if let Some(flags) = &config.flags {
         if let Some(grouping) = flags.group_processes {
@@ -700,7 +701,7 @@ pub fn get_app_grouping(matches: &ArgMatches, config: &Config) -> bool {
 }
 
 pub fn get_app_case_sensitive(matches: &ArgMatches, config: &Config) -> bool {
-    if matches.is_present("case_sensitive") {
+    if matches.contains_id("case_sensitive") {
         return true;
     } else if let Some(flags) = &config.flags {
         if let Some(case_sensitive) = flags.case_sensitive {
@@ -711,7 +712,7 @@ pub fn get_app_case_sensitive(matches: &ArgMatches, config: &Config) -> bool {
 }
 
 pub fn get_app_match_whole_word(matches: &ArgMatches, config: &Config) -> bool {
-    if matches.is_present("whole_word") {
+    if matches.contains_id("whole_word") {
         return true;
     } else if let Some(flags) = &config.flags {
         if let Some(whole_word) = flags.whole_word {
@@ -722,7 +723,7 @@ pub fn get_app_match_whole_word(matches: &ArgMatches, config: &Config) -> bool {
 }
 
 pub fn get_app_use_regex(matches: &ArgMatches, config: &Config) -> bool {
-    if matches.is_present("regex") {
+    if matches.contains_id("regex") {
         return true;
     } else if let Some(flags) = &config.flags {
         if let Some(regex) = flags.regex {
@@ -733,7 +734,7 @@ pub fn get_app_use_regex(matches: &ArgMatches, config: &Config) -> bool {
 }
 
 fn get_hide_time(matches: &ArgMatches, config: &Config) -> bool {
-    if matches.is_present("hide_time") {
+    if matches.contains_id("hide_time") {
         return true;
     } else if let Some(flags) = &config.flags {
         if let Some(hide_time) = flags.hide_time {
@@ -744,7 +745,7 @@ fn get_hide_time(matches: &ArgMatches, config: &Config) -> bool {
 }
 
 fn get_autohide_time(matches: &ArgMatches, config: &Config) -> bool {
-    if matches.is_present("autohide_time") {
+    if matches.contains_id("autohide_time") {
         return true;
     } else if let Some(flags) = &config.flags {
         if let Some(autohide_time) = flags.autohide_time {
@@ -756,7 +757,7 @@ fn get_autohide_time(matches: &ArgMatches, config: &Config) -> bool {
 }
 
 fn get_expanded_on_startup(matches: &ArgMatches, config: &Config) -> bool {
-    matches.is_present("expanded_on_startup")
+    matches.contains_id("expanded_on_startup")
         || config
             .flags
             .as_ref()
@@ -767,7 +768,7 @@ fn get_expanded_on_startup(matches: &ArgMatches, config: &Config) -> bool {
 fn get_default_widget_and_count(
     matches: &ArgMatches, config: &Config,
 ) -> error::Result<(Option<BottomWidgetType>, u64)> {
-    let widget_type = if let Some(widget_type) = matches.value_of("default_widget_type") {
+    let widget_type = if let Some(widget_type) = matches.get_one::<String>("default_widget_type") {
         let parsed_widget = widget_type.parse::<BottomWidgetType>()?;
         if let BottomWidgetType::Empty = parsed_widget {
             None
@@ -789,7 +790,8 @@ fn get_default_widget_and_count(
         None
     };
 
-    let widget_count = if let Some(widget_count) = matches.value_of("default_widget_count") {
+    let widget_count = if let Some(widget_count) = matches.get_one::<String>("default_widget_count")
+    {
         Some(widget_count.parse::<u128>()?)
     } else if let Some(flags) = &config.flags {
         flags
@@ -815,7 +817,7 @@ fn get_default_widget_and_count(
 }
 
 fn get_disable_click(matches: &ArgMatches, config: &Config) -> bool {
-    if matches.is_present("disable_click") {
+    if matches.contains_id("disable_click") {
         return true;
     } else if let Some(flags) = &config.flags {
         if let Some(disable_click) = flags.disable_click {
@@ -826,7 +828,7 @@ fn get_disable_click(matches: &ArgMatches, config: &Config) -> bool {
 }
 
 fn get_use_old_network_legend(matches: &ArgMatches, config: &Config) -> bool {
-    if matches.is_present("use_old_network_legend") {
+    if matches.contains_id("use_old_network_legend") {
         return true;
     } else if let Some(flags) = &config.flags {
         if let Some(use_old_network_legend) = flags.use_old_network_legend {
@@ -837,7 +839,7 @@ fn get_use_old_network_legend(matches: &ArgMatches, config: &Config) -> bool {
 }
 
 fn get_hide_table_gap(matches: &ArgMatches, config: &Config) -> bool {
-    if matches.is_present("hide_table_gap") {
+    if matches.contains_id("hide_table_gap") {
         return true;
     } else if let Some(flags) = &config.flags {
         if let Some(hide_table_gap) = flags.hide_table_gap {
@@ -858,7 +860,7 @@ fn get_use_battery(matches: &ArgMatches, config: &Config) -> bool {
     }
 
     if cfg!(feature = "battery") {
-        if matches.is_present("battery") {
+        if matches.contains_id("battery") {
             return true;
         } else if let Some(flags) = &config.flags {
             if let Some(battery) = flags.battery {
@@ -871,7 +873,7 @@ fn get_use_battery(matches: &ArgMatches, config: &Config) -> bool {
 
 fn get_enable_gpu_memory(matches: &ArgMatches, config: &Config) -> bool {
     if cfg!(feature = "gpu") {
-        if matches.is_present("enable_gpu_memory") {
+        if matches.contains_id("enable_gpu_memory") {
             return true;
         } else if let Some(flags) = &config.flags {
             if let Some(enable_gpu_memory) = flags.enable_gpu_memory {
@@ -884,7 +886,7 @@ fn get_enable_gpu_memory(matches: &ArgMatches, config: &Config) -> bool {
 
 #[allow(dead_code)]
 fn get_no_write(matches: &ArgMatches, config: &Config) -> bool {
-    if matches.is_present("no_write") {
+    if matches.contains_id("no_write") {
         return true;
     } else if let Some(flags) = &config.flags {
         if let Some(no_write) = flags.no_write {
@@ -932,7 +934,7 @@ fn get_ignore_list(ignore_list: &Option<IgnoreList>) -> error::Result<Option<Fil
 }
 
 pub fn get_color_scheme(matches: &ArgMatches, config: &Config) -> error::Result<ColourScheme> {
-    if let Some(color) = matches.value_of("color") {
+    if let Some(color) = matches.get_one::<String>("color") {
         // Highest priority is always command line flags...
         return ColourScheme::from_str(color);
     } else if let Some(colors) = &config.colors {
@@ -957,7 +959,7 @@ pub fn get_color_scheme(matches: &ArgMatches, config: &Config) -> error::Result<
 }
 
 fn get_mem_as_value(matches: &ArgMatches, config: &Config) -> bool {
-    if matches.is_present("mem_as_value") {
+    if matches.contains_id("mem_as_value") {
         return true;
     } else if let Some(flags) = &config.flags {
         if let Some(mem_as_value) = flags.mem_as_value {
@@ -968,7 +970,7 @@ fn get_mem_as_value(matches: &ArgMatches, config: &Config) -> bool {
 }
 
 fn get_is_default_tree(matches: &ArgMatches, config: &Config) -> bool {
-    if matches.is_present("tree") {
+    if matches.contains_id("tree") {
         return true;
     } else if let Some(flags) = &config.flags {
         if let Some(tree) = flags.tree {
@@ -979,7 +981,7 @@ fn get_is_default_tree(matches: &ArgMatches, config: &Config) -> bool {
 }
 
 fn get_show_table_scroll_position(matches: &ArgMatches, config: &Config) -> bool {
-    if matches.is_present("show_table_scroll_position") {
+    if matches.contains_id("show_table_scroll_position") {
         return true;
     } else if let Some(flags) = &config.flags {
         if let Some(show_table_scroll_position) = flags.show_table_scroll_position {
@@ -990,7 +992,7 @@ fn get_show_table_scroll_position(matches: &ArgMatches, config: &Config) -> bool
 }
 
 fn get_is_default_process_command(matches: &ArgMatches, config: &Config) -> bool {
-    if matches.is_present("process_command") {
+    if matches.contains_id("process_command") {
         return true;
     } else if let Some(flags) = &config.flags {
         if let Some(process_command) = flags.process_command {
@@ -1001,7 +1003,7 @@ fn get_is_default_process_command(matches: &ArgMatches, config: &Config) -> bool
 }
 
 fn get_is_advanced_kill_disabled(matches: &ArgMatches, config: &Config) -> bool {
-    if matches.is_present("disable_advanced_kill") {
+    if matches.contains_id("disable_advanced_kill") {
         return true;
     } else if let Some(flags) = &config.flags {
         if let Some(disable_advanced_kill) = flags.disable_advanced_kill {
@@ -1012,7 +1014,7 @@ fn get_is_advanced_kill_disabled(matches: &ArgMatches, config: &Config) -> bool
 }
 
 fn get_network_unit_type(matches: &ArgMatches, config: &Config) -> DataUnit {
-    if matches.is_present("network_use_bytes") {
+    if matches.contains_id("network_use_bytes") {
         return DataUnit::Byte;
     } else if let Some(flags) = &config.flags {
         if let Some(network_use_bytes) = flags.network_use_bytes {
@@ -1026,7 +1028,7 @@ fn get_network_unit_type(matches: &ArgMatches, config: &Config) -> DataUnit {
 }
 
 fn get_network_scale_type(matches: &ArgMatches, config: &Config) -> AxisScaling {
-    if matches.is_present("network_use_log") {
+    if matches.contains_id("network_use_log") {
         return AxisScaling::Log;
     } else if let Some(flags) = &config.flags {
         if let Some(network_use_log) = flags.network_use_log {
@@ -1040,7 +1042,7 @@ fn get_network_scale_type(matches: &ArgMatches, config: &Config) -> AxisScaling
 }
 
 fn get_network_use_binary_prefix(matches: &ArgMatches, config: &Config) -> bool {
-    if matches.is_present("network_use_binary_prefix") {
+    if matches.contains_id("network_use_binary_prefix") {
         return true;
     } else if let Some(flags) = &config.flags {
         if let Some(network_use_binary_prefix) = flags.network_use_binary_prefix {
@@ -1053,7 +1055,7 @@ fn get_network_use_binary_prefix(matches: &ArgMatches, config: &Config) -> bool
 fn get_retention_ms(matches: &ArgMatches, config: &Config) -> error::Result<u64> {
     const DEFAULT_RETENTION_MS: u64 = 600 * 1000; // Keep 10 minutes of data.
 
-    if let Some(retention) = matches.value_of("retention") {
+    if let Some(retention) = matches.get_one::<String>("retention") {
         humantime::parse_duration(retention)
             .map(|dur| dur.as_millis() as u64)
             .map_err(|err| BottomError::ConfigError(format!("invalid retention duration: {err:?}")))