Issue #431 - Add Mac OS auto-completion

.github/packaging/specs-completion.zsh

@@ -0,0 +1,17 @@
+#compdef specs
+
+_specs() {
+  local cur prev
+  local -a completions
+
+  cur="${words[CURRENT]}"
+  prev="${words[CURRENT-1]}"
+
+  # Call specs-autocomplete and capture newline-separated results
+  completions=("${(@f)$(specs-autocomplete specs "$cur" "$prev")}")
+
+  compadd -- $completions
+}
+
+_specs "$@"
+

specs/src/setup.py

@@ -242,10 +242,12 @@ def python_search(arg):
 
 install_mac: $(EXE_DIR)/specs specs.1.gz
 	cp $(EXE_DIR)/specs /usr/local/bin/
+	cp $(EXE_DIR)/specs-autocomplete /usr/local/bin/
 	/bin/rm */*.d
 	$(MKDIR_C) /usr/local/share/man/man1
 	cp specs.1.gz /usr/local/share/man/man1/
 	/bin/rm specs.1.gz
+	cp ../../.github/packaging/specs-completion.zsh /usr/local/share/zsh/site-functions/_specs
 
 install_linux: $(EXE_DIR)/specs specs.1.gz
 	cp $(EXE_DIR)/specs /usr/local/bin/

specs/src/test/specs-autocomplete.cc

@@ -172,7 +172,7 @@ int main(int argc, char** argv)
         try { cursorPos = std::stoul(safe); } catch (const std::exception&) {}
     }
     safe = getenv("COMP_TYPE");
-    char type = '\t';
+    char type = '?';
     if (safe) {
         try { type = char(std::stoi(safe)); } catch (const std::exception&) {}
     }