New env_not condition

README.md

@@ -1859,6 +1859,7 @@ The following condition types are available:
 * **env_false** - List of environment variables that must be defined and set to any of the following (case insensitive): false, no, 0 or empty
 * **env** - Map of environment variables that must be defined and equal to the provided values
 * **env_contains** - Map of environment variables that must be defined and contain (case insensitive) the provided values
+* **env_not** - Map of environment variables that must not be equal to the provided values
 * **rust_version** - Optional definition of min, max, and/or specific rust version
 * **files_exist** - List of absolute path files to check they exist. Environment substitution is supported so you can define relative paths such as **`${CARGO_MAKE_WORKING_DIRECTORY}/Cargo.toml`**
 * **files_not_exist** - List of absolute path files to check they do not exist. Environment substitution is supported so you can define relative paths such as **`${CARGO_MAKE_WORKING_DIRECTORY}/Cargo.toml`**

docs/_includes/content.md

@@ -1720,6 +1720,7 @@ The following condition types are available:
 * **env_true** - List of environment variables that must be defined and must not be set to any of the following (case insensitive): false, no, 0 or empty
 * **env_false** - List of environment variables that must be defined and set to any of the following (case insensitive): false, no, 0 or empty
 * **env** - Map of environment variables that must be defined and equal to the provided values
+* **env_not** - Map of environment variables that must not be equal to the provided values
 * **env_contains** - Map of environment variables that must be defined and contain (case insensitive) the provided values
 * **rust_version** - Optional definition of min, max, and/or specific rust version
 * **files_exist** - List of absolute path files to check they exist. Environment substitution is supported so you can define relative paths such as **`${CARGO_MAKE_WORKING_DIRECTORY}/Cargo.toml`**

src/lib/condition.rs

@@ -23,20 +23,30 @@ use indexmap::IndexMap;
 use rust_info::types::{RustChannel, RustInfo};
 use std::path::Path;
 
+/// Enum indicates what kind of env map we are validating. Used in `validate_env_map` function.
+enum EnvMapType {
+    /// Validate map for `env` in `TaskCondition`.
+    Env,
+    /// Validate map for `env_contains` in `TaskCondition`.
+    EnvContains,
+    /// Validate map for `env_not` in `TaskCondition`.
+    EnvNot
+}
+
 fn validate_env_map(
     env: Option<IndexMap<String, String>>,
-    equal: bool,
+    env_map_type: EnvMapType,
     validate_any: bool,
 ) -> bool {
     match env {
         Some(env_vars) => {
             let mut found_any = env_vars.is_empty();
 
             for (key, current_value) in env_vars.iter() {
-                let valid = if equal {
-                    envmnt::is_equal(key, current_value)
-                } else {
-                    envmnt::contains_ignore_case(key, current_value)
+                let valid = match env_map_type {
+                    EnvMapType::Env => envmnt::is_equal(key, current_value),
+                    EnvMapType::EnvContains => envmnt::contains_ignore_case(key, current_value),
+                    EnvMapType::EnvNot => !envmnt::is_equal(key, current_value),
                 };
 
                 if valid {
@@ -57,13 +67,18 @@ fn validate_env_map(
 }
 
 fn validate_env(condition: &TaskCondition, validate_any: bool) -> bool {
-    validate_env_map(condition.env.clone(), true, validate_any)
+    validate_env_map(condition.env.clone(), EnvMapType::Env, validate_any)
+}
+
+fn validate_env_not(condition: &TaskCondition, validate_any: bool) -> bool {
+    validate_env_map(condition.env_not.clone(), EnvMapType::EnvNot, validate_any)
 }
 
 fn validate_env_contains(condition: &TaskCondition, validate_any: bool) -> bool {
-    validate_env_map(condition.env_contains.clone(), false, validate_any)
+    validate_env_map(condition.env_contains.clone(), EnvMapType::EnvContains, validate_any)
 }
 
+
 fn validate_env_set(condition: &TaskCondition, validate_any: bool) -> bool {
     let env = condition.env_set.clone();
     match env {
@@ -505,6 +520,15 @@ fn validate_criteria(flow_info: Option<&FlowInfo>, condition: &Option<TaskCondit
             } else if group_or_condition && !valid {
                 not_valid_found = true;
             }
+
+            valid = validate_env_not(&condition_struct, validate_any);
+            if group_or_condition && valid && condition_struct.env_not.is_some() {
+                return true;
+            } else if !group_or_condition && !valid {
+                return false;
+            } else if group_or_condition && !valid {
+                not_valid_found = true;
+            }
 
             valid = validate_env_set(&condition_struct, validate_any);
             if group_or_condition && valid && condition_struct.env_set.is_some() {