submodule setup, resh draft

Makefile

@@ -1,10 +1,30 @@
+SHELL=/bin/bash
 
-build: submodules/bash-preexec/bash-preexec.sh
-	@echo "build"
+build: submodules resh-collect
 
-install: build
-	@echo "install"
+install: build $(HOME)/.resh $(HOME)/.resh/bin
+	cp submodules/bash-preexec/bash-preexec.sh ~/.bash-preexec.sh
+	cp src/bashrc.sh ~/.resh/bashrc
+	cp resh-collect ~/.resh/bin/
+	grep '[[ -f ~/.resh/bashrc ]] && source ~/.resh/bashrc' ~/.bashrc ||\
+		echo '[[ -f ~/.resh/bashrc ]] && source ~/.resh/bashrc' >> ~/.bashrc
+	grep '[[ -f ~/.bash-preexec.sh ]] && source ~/.bash-preexec.sh' ~/.bashrc ||\
+		echo '[[ -f ~/.bash-preexec.sh ]] && source ~/.bash-preexec.sh' >> ~/.bashrc
+
+resh-collect: src/resh-collect.go
+	go build -o resh-collect src/resh-collect.go
+
+$(HOME)/.resh:
+	mkdir $(HOME)/.resh
+
+$(HOME)/.resh/bin:
+	mkdir $(HOME)/.resh/bin
+
+.PHONY: submodules build install
+
+submodules: submodules/bash-preexec/bash-preexec.sh
+	# this is always run and updates submodules
+	git submodule update --recursive
 
 submodules/%:
-	-git submodule init
-	git submodule update
+	git submodule init

src/bashrc.sh

@@ -0,0 +1,13 @@
+
+PATH=$PATH:~/.resh/bin
+
+preexec() {
+    __RESH_PWD="$PWD"
+    __RESH_CMDLINE="$1"
+}
+
+precmd() {
+    __RESH_EXIT_CODE=$?
+    resh-collect $__RESH_EXIT_CODE "$PWD" "$__RESH_CMDLINE"
+}
+

src/resh-collect.go

@@ -0,0 +1,67 @@
+package main
+
+import (
+    "fmt"
+    "os"
+    "os/exec"
+    "log"
+    "strconv"
+    "strings"
+)
+
+type record struct {
+    CmdLine string
+    Pwd string
+    GitWorkTree string
+    Shell string
+    ExitCode int
+    //Logs string[]
+}
+
+func main() {
+    exitCode, err := strconv.Atoi(os.Args[1])
+    if err != nil {
+        // log this 
+        log.Fatal("First arg is not a number! (expecting $?)", err)
+    }
+    pwd := os.Args[2]
+    cmdLine := os.Args[3]
+    rec := record{
+        CmdLine: cmdLine,
+        Pwd: pwd,
+        GitWorkTree: getGitDir(),
+        Shell: os.Getenv("SHELL"),
+        ExitCode: exitCode,
+    }
+    rec.send()
+}
+
+func getGitDir() string {
+    // assume we are in pwd
+    gitWorkTree := os.Getenv("GIT_WORK_TREE")
+
+    if gitWorkTree != "" {
+        return gitWorkTree
+    }
+    // we should look up the git directory ourselves
+    // OR leave it to resh daemon to not slow down user
+    out, err := exec.Command("git", "rev-parse", "--show-toplevel").Output()
+    if err != nil {
+        if exitError, ok := err.(*exec.ExitError); ok {
+            if exitError.ExitCode() == 128 {
+                return ""
+            }
+            log.Fatal("git cmd failed")
+        } else {
+            log.Fatal("git cmd failed w/o exit code")
+        }
+    }
+    return strings.TrimSuffix(string(out), "\n")
+}
+
+func (r record) send() {
+    fmt.Println("cmd:", r.CmdLine)
+    fmt.Println("pwd:", r.Pwd)
+    fmt.Println("git:", r.GitWorkTree)
+    fmt.Println("exit_code:", r.ExitCode)
+}