fallow-engine 3.1.0

Typed analysis engine facade for fallow consumers
Documentation 
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//! Git process environment helpers owned by the engine boundary.

use std::process::Command;

/// Environment variables that describe an enclosing git operation's repository
/// state and should not leak into fallow-owned git subprocesses.
pub const AMBIENT_GIT_ENV_VARS: &[&str] = &[
    "GIT_DIR",
    "GIT_WORK_TREE",
    "GIT_INDEX_FILE",
    "GIT_OBJECT_DIRECTORY",
    "GIT_COMMON_DIR",
    "GIT_PREFIX",
];

/// Strip ambient git repository-state environment variables from a `Command`.
///
/// Returns the `Command` for fluent chaining alongside `.args()` and
/// `.current_dir()`.
pub fn clear_ambient_git_env(cmd: &mut Command) -> &mut Command {
    for var in AMBIENT_GIT_ENV_VARS {
        cmd.env_remove(var);
    }
    cmd
}