[WIP] shell completions

Cargo.toml

@@ -225,6 +225,7 @@ test = [ "uu_test" ]
 [workspace]
 
 [dependencies]
+clap = "2.33.3"
 lazy_static = { version="1.3" }
 textwrap = { version="=0.11.0", features=["term_size"] } # !maint: [2020-05-10; rivy] unstable crate using undocumented features; pinned currently, will review
 uucore = { version=">=0.0.8", package="uucore", path="src/uucore" }

GNUmakefile

@@ -314,6 +314,11 @@ else
 endif
 	$(foreach man, $(filter $(INSTALLEES), $(basename $(notdir $(wildcard $(DOCSDIR)/_build/man/*)))), \
 		cat $(DOCSDIR)/_build/man/$(man).1 | gzip > $(INSTALLDIR_MAN)/$(PROG_PREFIX)$(man).1.gz &&) :
+	$(foreach prog, $(INSTALLEES), \
+		$(BUILDDIR)/coreutils completion $(prog) zsh > $(DESTDIR)$(PREFIX)/share/zsh/site-functions/_$(PROG_PREFIX)$(prog); \
+		$(BUILDDIR)/coreutils completion $(prog) bash > $(DESTDIR)$(PREFIX)/share/bash-completion/completions/$(PROG_PREFIX)$(prog); \
+		$(BUILDDIR)/coreutils completion $(prog) fish > $(DESTDIR)$(PREFIX)/share/fish/vendor_completions.d/$(PROG_PREFIX)$(prog).fish; \
+	)
 
 uninstall:
 ifeq (${MULTICALL}, y)

build.rs

@@ -41,6 +41,7 @@ pub fn main() {
 
     let mut mf = File::create(Path::new(&out_dir).join("uutils_map.rs")).unwrap();
     let mut tf = File::create(Path::new(&out_dir).join("test_modules.rs")).unwrap();
+    let mut af = File::create(Path::new(&out_dir).join("apps_map.rs")).unwrap();
 
     mf.write_all(
         "type UtilityMap<T> = HashMap<&'static str, fn(T) -> i32>;\n\
@@ -52,6 +53,16 @@ pub fn main() {
     )
     .unwrap();
 
+    af.write_all(
+        "type AppMap = HashMap<&'static str, fn(&str) -> App>;\n\
+    \n\
+    fn app_map() -> AppMap {\n\
+    \tlet mut map = AppMap::new();\n\
+    "
+        .as_bytes(),
+    )
+    .unwrap();
+
     for krate in crates {
         match krate.as_ref() {
             k if k.starts_with(override_prefix) => {
@@ -64,6 +75,15 @@ pub fn main() {
                     .as_bytes(),
                 )
                 .unwrap();
+                af.write_all(
+                    format!(
+                        "\tmap.insert(\"{k}\", {krate}::app::get_app);\n",
+                        k = krate[override_prefix.len()..].to_string(),
+                        krate = krate
+                    )
+                    .as_bytes(),
+                )
+                .unwrap();
                 tf.write_all(
                     format!(
                         "#[path=\"{dir}/test_{k}.rs\"]\nmod test_{k};\n",
@@ -83,6 +103,14 @@ pub fn main() {
                     .as_bytes(),
                 )
                 .unwrap();
+                af.write_all(
+                    format!(
+                        "\tmap.insert(\"{krate}\", r#{krate}::app::get_app);\n",
+                        krate = krate
+                    )
+                    .as_bytes(),
+                )
+                .unwrap();
                 tf.write_all(
                     format!(
                         "#[path=\"{dir}/test_{krate}.rs\"]\nmod test_{krate};\n",
@@ -117,6 +145,29 @@ pub fn main() {
                     .as_bytes(),
                 )
                 .unwrap();
+                af.write_all(
+                    format!(
+                        "\
+                         \tmap.insert(\"{krate}\", {krate}::app::get_app);\n\
+                         \t\tmap.insert(\"md5sum\", {krate}::app::get_app);\n\
+                         \t\tmap.insert(\"sha1sum\", {krate}::app::get_app);\n\
+                         \t\tmap.insert(\"sha224sum\", {krate}::app::get_app);\n\
+                         \t\tmap.insert(\"sha256sum\", {krate}::app::get_app);\n\
+                         \t\tmap.insert(\"sha384sum\", {krate}::app::get_app);\n\
+                         \t\tmap.insert(\"sha512sum\", {krate}::app::get_app);\n\
+                         \t\tmap.insert(\"sha3sum\", {krate}::app::get_app);\n\
+                         \t\tmap.insert(\"sha3-224sum\", {krate}::app::get_app);\n\
+                         \t\tmap.insert(\"sha3-256sum\", {krate}::app::get_app);\n\
+                         \t\tmap.insert(\"sha3-384sum\", {krate}::app::get_app);\n\
+                         \t\tmap.insert(\"sha3-512sum\", {krate}::app::get_app);\n\
+                         \t\tmap.insert(\"shake128sum\", {krate}::app::get_app);\n\
+                         \t\tmap.insert(\"shake256sum\", {krate}::app::get_app);\n\
+                         ",
+                        krate = krate
+                    )
+                    .as_bytes(),
+                )
+                .unwrap();
                 tf.write_all(
                     format!(
                         "#[path=\"{dir}/test_{krate}.rs\"]\nmod test_{krate};\n",
@@ -136,6 +187,14 @@ pub fn main() {
                     .as_bytes(),
                 )
                 .unwrap();
+                af.write_all(
+                    format!(
+                        "\tmap.insert(\"{krate}\", {krate}::app::get_app);\n",
+                        krate = krate
+                    )
+                    .as_bytes(),
+                )
+                .unwrap();
                 tf.write_all(
                     format!(
                         "#[path=\"{dir}/test_{krate}.rs\"]\nmod test_{krate};\n",
@@ -150,7 +209,9 @@ pub fn main() {
     }
 
     mf.write_all(b"map\n}\n").unwrap();
+    af.write_all(b"map\n}\n").unwrap();
 
     mf.flush().unwrap();
+    af.flush().unwrap();
     tf.flush().unwrap();
 }