commit e8b486f3b0429aa1a668d1c7780a7850d73fe515
Author: xenia <xenia.agda@gmail.com>
Date:   Thu Oct 12 12:50:52 2023 +0200

    Add source

diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..5c4740a
--- /dev/null
+++ b/Cargo.lock
@@ -0,0 +1,162 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "bitflags"
+version = "1.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
+
+[[package]]
+name = "cfg-if"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
+
+[[package]]
+name = "dirs"
+version = "3.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "30baa043103c9d0c2a57cf537cc2f35623889dc0d405e6c3cccfadbc81c71309"
+dependencies = [
+ "dirs-sys",
+]
+
+[[package]]
+name = "dirs-sys"
+version = "0.3.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1b1d1d91c932ef41c0f2663aa8b0ca0342d444d842c06914aa0a7e352d0bada6"
+dependencies = [
+ "libc",
+ "redox_users",
+ "winapi",
+]
+
+[[package]]
+name = "getrandom"
+version = "0.2.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "be4136b2a15dd319360be1c07d9933517ccf0be8f16bf62a3bee4f0d618df427"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "wasi",
+]
+
+[[package]]
+name = "libc"
+version = "0.2.147"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b4668fb0ea861c1df094127ac5f1da3409a82116a4ba74fca2e58ef927159bb3"
+
+[[package]]
+name = "proc-macro2"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "18fb31db3f9bddb2ea821cde30a9f70117e3f119938b5ee630b7403aa6e2ead9"
+dependencies = [
+ "unicode-ident",
+]
+
+[[package]]
+name = "quote"
+version = "1.0.32"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "50f3b39ccfb720540debaa0164757101c08ecb8d326b15358ce76a62c7e85965"
+dependencies = [
+ "proc-macro2",
+]
+
+[[package]]
+name = "redox_syscall"
+version = "0.2.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fb5a58c1855b4b6819d59012155603f0b22ad30cad752600aadfcb695265519a"
+dependencies = [
+ "bitflags",
+]
+
+[[package]]
+name = "redox_users"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b033d837a7cf162d7993aded9304e30a83213c648b6e389db233191f891e5c2b"
+dependencies = [
+ "getrandom",
+ "redox_syscall",
+ "thiserror",
+]
+
+[[package]]
+name = "syn"
+version = "2.0.28"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "04361975b3f5e348b2189d8dc55bc942f278b2d482a6a0365de5bdd62d351567"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
+[[package]]
+name = "thiserror"
+version = "1.0.44"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "611040a08a0439f8248d1990b111c95baa9c704c805fa1f62104b39655fd7f90"
+dependencies = [
+ "thiserror-impl",
+]
+
+[[package]]
+name = "thiserror-impl"
+version = "1.0.44"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "090198534930841fab3a5d1bb637cde49e339654e606195f8d9c76eeb081dc96"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "unambig-path"
+version = "0.1.0"
+dependencies = [
+ "dirs",
+]
+
+[[package]]
+name = "unicode-ident"
+version = "1.0.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "301abaae475aa91687eb82514b328ab47a211a533026cb25fc3e519b86adfc3c"
+
+[[package]]
+name = "wasi"
+version = "0.11.0+wasi-snapshot-preview1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
+
+[[package]]
+name = "winapi"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
+dependencies = [
+ "winapi-i686-pc-windows-gnu",
+ "winapi-x86_64-pc-windows-gnu",
+]
+
+[[package]]
+name = "winapi-i686-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
+
+[[package]]
+name = "winapi-x86_64-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..ca78d0b
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,9 @@
+[package]
+name = "unambig-path"
+version = "0.1.0"
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+dirs = "3.0"
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..4c16848
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,63 @@
+use std::io::Result;
+
+fn main() -> Result<()> {
+    let mut path = std::env::current_dir()?;
+
+    let mut segments = Vec::new();
+
+    let mut is_home = false;
+    while let Some(parent) = path.parent() {
+        if Some(&path) == dirs::home_dir().as_ref() {
+            segments.push(("~".to_string(), false));
+            is_home = true;
+            break;
+        }
+
+        let dir = path.file_name().unwrap().to_str().expect("Invalid utf-8 in path");
+
+        let mut largest_shared_prefix_len = 0;
+        for other_path in std::fs::read_dir(&parent)?.filter_map(|x| x.ok()).map(|x| x.file_name()) {
+            let other: &str = match other_path.to_str() {
+                Some(x) => x,
+                None => continue,
+            };
+
+            if other == dir { continue; }
+
+            let mut shared_prefix_len = 0;
+
+            for (ch1, ch2) in dir.chars().zip(other.chars()) {
+                if ch1 == ch2 {
+                    shared_prefix_len += 1;
+                } else {
+                    break;
+                }
+            }
+
+            largest_shared_prefix_len = largest_shared_prefix_len.max(shared_prefix_len);
+        }
+
+        if largest_shared_prefix_len >= dir.chars().count() - 2 {
+            segments.push((dir.to_string(), false));
+        } else {
+            let segment = dir.chars().take(largest_shared_prefix_len + 1).collect::<String>();
+            segments.push((segment, true));
+        }
+        path = parent.to_path_buf();
+    }
+
+    let mut res = std::path::PathBuf::new();
+    if !is_home {
+        res.push("/");
+    }
+    for (segment, is_prefix) in segments.into_iter().rev() {
+        if is_prefix {
+            res.push(segment + "…");
+        } else {
+            res.push(segment);
+        }
+    }
+    print!("{}/", res.to_str().unwrap());
+
+    Ok(())
+}