cleanups due to autocomplete support

1 files changed, 87 insertions, 0 deletions

diff --git a/argvAutocomplete.go b/argvAutocomplete.go
new file mode 100644
index 0000000..a11d772
--- /dev/null
+++ b/argvAutocomplete.go
@@ -0,0 +1,87 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"strings"
+)
+
+/*
+	handles shell autocomplete
+*/
+
+// used for shell auto completion
+var ARGNAME string = "wit-test" // todo: get this from $0 ?
+
+func (args) doBashAuto() {
+	argv.doBashHelp()
+	switch argv.BashAuto[0] {
+	case "list":
+		fmt.Println("--all --mine --favorites --private")
+	case "debian":
+		fmt.Println("--dry-run")
+	case "build":
+		fmt.Println("--verbose")
+	case "repomap-clone":
+		fmt.Println("--repomap")
+	default:
+		if strings.HasSuffix(argv.BashAuto[0], ARGNAME) {
+			// list the subcommands here
+			fmt.Println("--bash list build debian repomap-clone")
+		}
+	}
+	os.Exit(0)
+}
+
+// prints help to STDERR // TODO: move everything below this to go-args
+func (args) doBashHelp() {
+	if argv.BashAuto[1] != "''" {
+		// if this is not blank, then the user has typed something
+		return
+	}
+	if argv.BashAuto[0] != ARGNAME {
+		// if this is not the name of the command, the user already started doing something
+		return
+	}
+	if argv.BashAuto[0] == ARGNAME {
+		// me.argpp.WriteHelp(os.Stderr)
+		// return
+	}
+	fmt.Fprintln(os.Stderr, "")
+	fmt.Fprintln(os.Stderr, "list:           show every package on mirrors.wit.com")
+	fmt.Fprintln(os.Stderr, "build:          go build every package that identifies as a binary")
+	fmt.Fprintln(os.Stderr, "install:        go install every package into ~/go/bin")
+	fmt.Fprintln(os.Stderr, "repomap-clone:  go-clone every package from a gowebd repomap")
+	fmt.Fprintln(os.Stderr, "")
+}
+
+// complete -F forge --bash forge
+func (args) doBash() {
+	fmt.Println("# add this in your bashrc:")
+	fmt.Println("")
+	fmt.Println("# todo: add this to go-arg as a 'hidden' go-arg option --bash")
+	fmt.Println("#")
+	fmt.Println("# todo: make this output work/parse with:")
+	fmt.Println("# complete -C " + ARGNAME + " --bash go")
+	fmt.Println("")
+	fmt.Println("_" + ARGNAME + "_complete()")
+	fmt.Println("{")
+	fmt.Println("	# sets local to this func vars")
+	fmt.Println("	local cur prev all")
+	fmt.Println("	cur=${COMP_WORDS[COMP_CWORD]}")
+	fmt.Println("	prev=${COMP_WORDS[COMP_CWORD-1]}")
+	fmt.Println("	all=${COMP_WORDS[@]}")
+	fmt.Println("")
+	fmt.Println("	# this is where we generate the go-arg output")
+	fmt.Println("        GOARGS=$(" + ARGNAME + " --auto-complete $prev \\'$cur\\' $all)")
+	fmt.Println("")
+	fmt.Println("	# this compares the command line input from the user")
+	fmt.Println("	# to whatever strings we output")
+	fmt.Println("        COMPREPLY=( $(compgen -W \"$GOARGS\" -- $cur) )  # THIS WORKS")
+	fmt.Println("	return 0")
+	fmt.Println("}")
+	fmt.Println("complete -F _" + ARGNAME + "_complete " + ARGNAME)
+	fmt.Println("")
+	fmt.Println("# copy and paste the above into your bash shell should work")
+	os.Exit(0)
+}