Intial import for mac installer of arcanist

Change-Id: Id4200c6cdfd68ab021d426ce59da741b15a8274b

.gitmodules

@@ -0,0 +1,8 @@
+[submodule "Arcanist/arcanist"]
+	path = Arcanist/arcanist
+	url = https://gerrit.wikimedia.org/r/phabricator/arcanist
+	branch = wmf/stable
+[submodule "Arcanist/libphutil"]
+	path = Arcanist/libphutil
+	url = https://gerrit.wikimedia.org/r/phabricator/libphutil
+	branch = wmf/stable

README.md

@@ -1 +1,39 @@
-# Arcanist-installer-for-mac
+# Arcanist installer for mac
+This is a mac installer to install Arcanist for mac
+
+To build this for yourself do the following from bash
+
+git init
+
+git submodule update
+
+then run the following script from bash (Note: You may need to do sudo ./installer.sh)
+
+You may need to chmod these shell scripts so do the following
+
+chmod a+x installer.sh
+
+chmod a+x uninstaller/uninstaller.sh
+
+chmod a+x scripts/*
+
+chmod a+x uninstaller/scripts/*
+
+./installer.sh
+
+To create the uninstaller run the following script from bash (Note: You may need to do sudo ./uninstaller.sh)
+
+cd uninstaller
+
+./uninstaller.sh
+
+You will find it generates two files in this folder called arcanist-installer.pkg and uninstaller/arcanist-uninstaller.pkg these files are the installer and uninstaller.
+
+Click on arcanist-installer.pkg which will start the installation process then follow the install steps.
+
+You will find the files installed in /private/var/arcanist/ and /private/var/libphutil/ (Note these folders are not easily accisible by the macs finder. To find them you need to
+go to the finder application then on the top bar click go and then click go to folder and type in /private/var/arcanist/ or /private/var/libphutil/)
+
+Note: You will need to restart your terminal for the changes to be applied.
+
+in uninstaller folder you will find file arcanist-uninstaller.pkg which will uninstall arcanist from your mac.

installer.sh

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+#!/bin/sh
+
+pkgbuild --root ./Arcanist --scripts scripts --identifier com.arcanist.arcanist --version 1 --install-location /private/var arcanist-installer.pkg

scripts/postinstall

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+#!/bin/sh
+
+echo "/private/var/arcanist/bin" > /etc/paths.d/zmodemapp

uninstaller/scripts/postinstall

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+#!/bin/sh
+
+rm -rf /private/var/arcanist
+
+rm -rf /private/var/libphutil
+
+rm -rf /private/var/arc-temp
+
+rm /etc/paths.d/zmodemapp

uninstaller/uninstaller.sh

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+#!/bin/sh
+
+pkgbuild --root ../Arcanist --scripts scripts --identifier com.arcanist.arc --version 1 --install-location /private/var/arc-temp arcanist-uninstaller.pkg