Error control improved, add comments and headers, null option included (cancel button)

jka-toolkit/gitdit

@@ -1,68 +1,85 @@
 #!/bin/bash
-VERSION="0.2.1"
+# gitdit, a dialog interface to manage git repositories 
+# Author: JKA Network - contacto@jkanetwork.com
+
+VERSION="0.2.2"
+#First check if the user is in a git repository
 preOption=$(git status 2>/dev/stdout | sed -n 1p | cut -f2 -d" ")
-if [ $preOption = "Not" ];then
+if [ $preOption = "Not" ];then #When it isn't only it can do git clone
 	gitopt=`dialog --stdout --scrollbar --menu "gitdit - Git DIalog inTerface" 0 0 6 c "Descargar un nuevo git (Hacer clone)"`
-else
+else #Else, all other options
 	gitopt=`dialog --stdout --scrollbar --menu "gitdit - Git DIalog inTerface" 0 0 6 p "Descargar actualizaciones del git (Hacer pull)" t "Confirmar cambios sin subida" s "Subir actualizaciones al git (Hacer push)" n "Crear nueva rama" b "Cambiar de branch/rama (Hacer checkout)" m "Unir ramas (Hacer merge)"`
-	actual="origin $(git branch --list | grep "^*" | cut -f2 -d" ")"
+	actual="origin $(git branch --list | grep "^*" | cut -f2 -d" ")" #Current branch
 fi
-case $gitopt in
+if [ ! -z $gitopt ];then #No canceled
-	"p")	git pull $actual;;
+	case $gitopt in
-	"s")	commit=`dialog --stdout --inputbox  "Cambios (texto commit)" 10 50 "changes"`
+		"p")	
-		if [[ -z $commit ]];then
+			git pull $actual;;
-			commit="changes"
+		"s")	
-		fi
+			estado=$(git status | wc -l) #It need to commit something?
-		git add . && git commit -m "$commit" && git push $actual
+			if [ $estado -ne 2 ];then #When is necesary commit
-		;;
+				commit=`dialog --stdout --inputbox  "Cambios (texto commit)" 10 50 "changes"`
-	"c")
+				if [[ -z $commit ]];then
-		giturl=`dialog --stdout --inputbox  "URL del git" 10 60`
+					commit="changes"
-		git clone $giturl
+				fi
-		;;
+				git add . && git commit -m "$commit" && git push $actual
-	"t")
+			else #Nothing to commit, only push
-		commit=`dialog --stdout --inputbox  "Cambios (texto commit)" 10 50 "changes"`
+				git push $actual
-		if [[ -z $commit ]];then
+			fi
-			commit="changes"
+			;;
-		fi
+		"c")
-		git add . && git commit -m "$commit"
+			giturl=`dialog --stdout --inputbox  "URL del git" 10 60`
-		;;
+			if [ -z $giturl ];then
-	"b")
+				echo "Ningún repositorio especificado"
-		j=0
+				exit
-		rama=""
+			fi
-		for i in $(git branch --list | grep "^*" -v )
+			git clone $giturl
-		do
+			;;
-			if [ $i != "*" ];then
+		"t")
-				rama="$rama $j $i"
+			commit=`dialog --stdout --inputbox  "Cambios (texto commit)" 10 50 "changes"`
-				lista[$j]=$i
+			if [[ -z $commit ]];then
-				let j++
+				commit="changes"
+			fi
+			git add . && git commit -m "$commit"
+			;;
+		"b")
+			j=0
+			rama=""
+			for i in $(git branch --list | grep "^*" -v )
+			do
+				if [ $i != "*" ];then
+					rama="$rama $j $i"
+					lista[$j]=$i
+					let j++
+				fi		
+			done
+			ramificacion=`dialog --stdout --scrollbar --menu "Selecione la rama a saltar" 0 0 6 $rama`
+			if [ ! -z $ramificacion ];then
+				git checkout ${lista[$ramificacion]}
+			fi
+			;;
+		"n")
+			NewBranch=`dialog --stdout --inputbox  "Nombre de la nueva rama" 10 50 "new branch"`
+			if [ ! -z $NewBranch ];then
+				git checkout -b $NewBranch
+			fi
+			;;
+		"m")
+			j=0
+			rama=""
+			for i in $(git branch --list | grep "^*" -v )
+			do
+				if [ $i != "*" ];then
+					rama="$rama $j $i"
+					lista[$j]=$i
+					let j++
+				fi		
+			done
+			merges=`dialog --stdout --scrollbar --menu "Selecione la rama a unir a $(git branch --list | grep "^*" | cut -f2 -d" ")" 0 0 6 $rama`
+			if [ ! -z $merges ];then
+				git merge ${lista[$merges]}
+				git push
 			fi		
-		done
+			;;
-		ramificacion=`dialog --stdout --scrollbar --menu "Selecione la rama a saltar" 0 0 6 $rama`
+	esac
-		if [ ! -z $ramificacion ];then
+fi
-			git checkout ${lista[$ramificacion]}
-		fi
-		;;
-	"n")
-		NewBranch=`dialog --stdout --inputbox  "Nombre de la nueva rama" 10 50 "new branch"`
-		if [ ! -z $NewBranch ];then
-			git checkout -b $NewBranch
-		fi
-		;;
-	"m")
-		j=0
-		rama=""
-		for i in $(git branch --list | grep "^*" -v )
-		do
-			if [ $i != "*" ];then
-				rama="$rama $j $i"
-				lista[$j]=$i
-				let j++
-			fi		
-		done
-		merges=`dialog --stdout --scrollbar --menu "Selecione la rama a unir a $(git branch --list | grep "^*" | cut -f2 -d" ")" 0 0 6 $rama`
-		if [ ! -z $merges ];then
-			git merge ${lista[$merges]}
-			git push
-		fi		
-		;;
-esac