feat(clap-complete/unstable-dynamic): add '~' to HOME dir completion support

if input starts with '~' will complete to `/home/USER`

Author: eatradish

Cargo.lock

@@ -40,6 +40,7 @@ is_executable = { version = "1.0.1", optional = true }
 shlex = { version = "1.3.0", optional = true }
 completest = { version = "0.4.2", optional = true }
 completest-pty = { version = "0.5.5", optional = true }
+home = { version = "0.5.0", optional = true }
 
 [dev-dependencies]
 snapbox = { version = "0.6.0", features = ["diff", "dir", "examples"] }
@@ -55,7 +56,7 @@ required-features = ["unstable-dynamic"]
 [features]
 default = []
 unstable-doc = ["unstable-dynamic"] # for docs.rs
-unstable-dynamic = ["dep:clap_lex", "dep:shlex", "dep:is_executable", "clap/unstable-ext"]
+unstable-dynamic = ["dep:clap_lex", "dep:shlex", "dep:is_executable", "dep:home", "clap/unstable-ext"]
 unstable-shell-tests = ["dep:completest", "dep:completest-pty"]
 debug = ["clap/debug"]
 

clap_complete/Cargo.toml

@@ -274,7 +274,15 @@ impl ValueCompleter for PathCompleter {
             current_dir_actual = std::env::current_dir().ok();
             current_dir_actual.as_deref()
         });
-        let mut candidates = complete_path(current, current_dir, filter);
+
+        let current = current.to_string_lossy().to_string();
+        if current.starts_with("~") {
+            if let Some(home) = home_dir() {
+                current.replace_range(..1, &home.to_string_lossy());
+            }
+        }
+
+        let mut candidates = complete_path(&current, current_dir, filter);
         if self.stdio && current.is_empty() {
             candidates.push(CompletionCandidate::new("-").help(Some("stdio".into())));
         }
@@ -283,7 +291,7 @@ impl ValueCompleter for PathCompleter {
 }
 
 pub(crate) fn complete_path(
-    value_os: &OsStr,
+    value_os: &str,
     current_dir: Option<&std::path::Path>,
     is_wanted: &dyn Fn(&std::path::Path) -> bool,
 ) -> Vec<CompletionCandidate> {