Merge pull request #2673 from SafwatHalaby/sh

compile.sh is now sh-compatible. (Unix, etc.)

README.md

@@ -22,7 +22,7 @@ There are several ways to obtain Cuberite.
 ##### The EasyInstall script
 This Linux script will download the correct binary from the project site.
 
-    bash -c "$(wget -O - https://raw.githubusercontent.com/cuberite/cuberite/master/easyinstall.sh)"
+    sh -c "$(wget -O - https://raw.githubusercontent.com/cuberite/cuberite/master/easyinstall.sh)"
 
 #### Compiling
  - You can compile automatically for Linux with the `compile.sh` script. The script is described below.
@@ -33,7 +33,7 @@ Compiling may provide better performance performance (1.5-3x as fast) and it sup
 ##### The compile.sh script
 This script downloads the source code and compiles it. The script is smart enough to notify you of missing dependencies and instructing you on how to install them. The script doesn't work for Windows.
 
-    bash -c "$(wget -O - https://raw.githubusercontent.com/cuberite/cuberite/master/compile.sh)"
+    sh -c "$(wget -O - https://raw.githubusercontent.com/cuberite/cuberite/master/compile.sh)"
 
 #### Hosted services
  - Hosted Cuberite is available DIY on DigitalOcean: [![Install on DigitalOcean](http://doinstall.bearbin.net/button.svg)](http://  doinstall.bearbin.net/install?url=https://github.com/cuberite/cuberite) and [Gamocosm](https://gamocosm.com) also offers Cuberite support.

compile.sh

@@ -1,27 +1,29 @@
+#!/bin/sh
 #|| goto :windows_detected
+set -e
 
 # Do we already have a repo?
-if [[ -d .git && -f easyinstall.sh && -f src/BlockArea.cpp ]]; then # A good enough indicator that we're in the Cuberite git repo.
+if [ \( -d .git \) -a \( -f easyinstall.sh \) -a \( -f src/BlockArea.cpp \) ]; then # A good enough indicator that we're in the Cuberite git repo.
 cd ../
 echo "Cuberite repository detected. This should make the process faster, especially if you compiled before."
 fi
 
 # Error functions.
-function error
+error ()
 {
 	echo
 	echo "-----------------"
 	echo "Script aborted, reason:"
 	echo $1
-	exit -1
+	exit 1
 }
 
-function missingDepsExit
+missingDepsExit ()
 {
 	echo
 	echo "Please install the dependencies, then come back."
 	echo
-	exit -2
+	exit 2
 }
 
 
@@ -42,7 +44,7 @@ GCC_EXISTS=0
 CLANG_EXISTS=0
 g++ --help > /dev/null 2> /dev/null && GCC_EXISTS=1
 clang --help > /dev/null 2> /dev/null && CLANG_EXISTS=1
-if [[ $GCC_EXISTS == 0 && $CLANG_EXISTS == 0 ]]; then
+if [ $GCC_EXISTS -eq 0 -a $CLANG_EXISTS -eq 0 ]; then
 MISSING_PROGRAMS="gcc g++"
 fi
 
@@ -54,7 +56,7 @@ git
 make
 cmake
 EOF
-if [[ $MISSING_PROGRAMS != "" ]]; then
+if [ "$MISSING_PROGRAMS" != "" ]; then
 	echo
 	echo "-----------------"
 	echo "You have missing compilation dependencies:"
@@ -88,7 +90,7 @@ fi
 BRANCH="master"
 
 ### Inactive code start. ###
-function inactiveCode
+inactiveCode ()
 {
 
 # Echo: Branch choice.
@@ -109,12 +111,12 @@ echo
 # Input: Branch choice.
 echo -n "Choose the branch (s/t/d): "
 read BRANCH
-if [[ ($BRANCH == "s") || ($BRANCH == "S" ) ]]; then
+if [ \( "$BRANCH" = "s" \) -o \( "$BRANCH" = "S" \) ]; then
 	#BRANCH="stable"
 	error "We don't have a stable branch yet, please use testing, sorry."
-elif [[ ($BRANCH == "t") || ($BRANCH == "T" ) ]]; then
+elif [ \( $BRANCH = "t" \) -o \( $BRANCH = "T" \) ]; then
 	BRANCH="testing"
-elif [[ ($BRANCH == "d") || ($BRANCH == "D" ) ]]; then
+elif [ \( $BRANCH = "d" \) -o \( $BRANCH = "D" \) ]; then
 	BRANCH="master"
 else
 	error "Unrecognized user input."
@@ -138,9 +140,9 @@ echo
 # Input: Compile mode choice.
 echo -n "Choose compile mode: (n/d): "
 read BUILDTYPE
-if [[ ($BUILDTYPE == "d") || ($BUILDTYPE == "D") ]]; then
+if [ \( "$BUILDTYPE" = "d" \) -o \( "$BUILDTYPE" = "D" \) ]; then
 	BUILDTYPE="Debug"
-elif [[ ($BUILDTYPE == "n") || ($BUILDTYPE == "N") ]]; then
+elif [ \( "$BUILDTYPE" = "n" \) -o \( "$BUILDTYPE" = "N" \) ]; then
 	BUILDTYPE="Release"
 else
 	error "Unrecognized user input."
@@ -152,20 +154,19 @@ echo
 echo " --- Downloading Cuberite's source code from the $BRANCH branch..."
 
 
-# Git: Clone.
 if [ ! -d cuberite ]; then
+	# Git: Clone.
 	echo " --- Looks like your first run, cloning the whole code..."
 	git clone https://github.com/cuberite/cuberite.git
-fi
+	cd cuberite
-
+else
-
 	# Git: Fetch.
-pushd cuberite
+	cd cuberite
 	echo " --- Updating the $BRANCH branch..."
 	git fetch origin $BRANCH || error "git fetch failed"
 	git checkout $BRANCH || error "git checkout failed"
 	git merge origin/$BRANCH || error "git merge failed"
-
+fi
 
 # Git: Submodules.
 echo " --- Updating submodules..."
@@ -175,7 +176,7 @@ git submodule update --init
 # Cmake.
 echo " --- Running cmake..."
 if [ ! -d build-cuberite ]; then mkdir build-cuberite; fi
-pushd build-cuberite
+cd build-cuberite
 cmake .. -DCMAKE_BUILD_TYPE=$BUILDTYPE || error "cmake failed"
 
 
@@ -186,22 +187,19 @@ echo
 
 
 # Echo: Compilation complete.
-popd > /dev/null
+cd ../Server
-pushd Server > /dev/null
 echo
 echo "-----------------"
 echo "Compilation done!"
 echo
 echo "Cuberite awaits you at:"
-if [[ $BUILDTYPE == "Debug" ]]; then
+if [ "$BUILDTYPE" = "Debug" ]; then
 	echo "`pwd`/Cuberite_debug"
 else
 	echo "`pwd`/Cuberite"
 fi
 echo
 echo "Enjoy :)"
-popd > /dev/null
-popd > /dev/null
 exit 0
 
 :windows_detected