Fix get_version.sh so that it returns the correct version when .git is missing

ChangeLog

@@ -1,3 +1,8 @@
+2016-02-18 master
+- Fixes:
+  - Fix get_version.sh so that it returns the correct version when .git is missing
+  - Create temporary files in /tmp
+
 2016-01-29 0.12.7
 - Fixes:
   - Fix crash caused by race when reading inconsistent values for _NET_CURRENT_DESKTOP and _NET_NUMBER_OF_DESKTOPS

get_version.sh

@@ -3,34 +3,43 @@
 MAJOR=0.12
 DIRTY=""
 
-git update-index -q --ignore-submodules --refresh
+if git status 1>/dev/null 2>/dev/null
-# Disallow unstaged changes in the working tree
-if ! git diff-files --quiet --ignore-submodules --
 then
-    if [ "$1" = "--strict" ]
+    git update-index -q --ignore-submodules --refresh
+    # Disallow unstaged changes in the working tree
+    if ! git diff-files --quiet --ignore-submodules --
     then
-        echo >&2 "Error: there are unstaged changes."
+        if [ "$1" = "--strict" ]
-        git diff-files --name-status -r --ignore-submodules -- >&2
+        then
-        exit 1
+            echo >&2 "Error: there are unstaged changes."
-    else
+            git diff-files --name-status -r --ignore-submodules -- >&2
-        DIRTY="-dirty"
+            exit 1
+        else
+            DIRTY="-dirty"
+        fi
+    fi
+
+    # Disallow uncommitted changes in the index
+    if ! git diff-index --cached --quiet HEAD --ignore-submodules --
+    then
+        if [ "$1" = "--strict" ]
+        then
+            echo >&2 "Error: there are uncommitted changes."
+            git diff-index --cached --name-status -r --ignore-submodules HEAD -- >&2
+            exit 1
+        else
+            DIRTY="-dirty"
+        fi
+    fi
+    VERSION=$(git describe --exact-match 2>/dev/null || echo "$MAJOR-git$(git show -s --pretty=format:%cI.%h | tr -d ':' | tr -d '-' | tr '.' '-' | sed 's/T[0-9\+]*//g')")$DIRTY
+else
+    VERSION=$(head -n 1 ChangeLog | cut -d ' ' -f 2)
+    if [ $VERSION = "master" ]
+    then
+        VERSION=$VERSION-$(head -n 1 ChangeLog | cut -d ' ' -f 1)
     fi
 fi
 
-# Disallow uncommitted changes in the index
-if ! git diff-index --cached --quiet HEAD --ignore-submodules --
-then
-    if [ "$1" = "--strict" ]
-    then
-        echo >&2 "Error: there are uncommitted changes."
-        git diff-index --cached --name-status -r --ignore-submodules HEAD -- >&2
-        exit 1
-    else
-        DIRTY="-dirty"
-    fi
-fi
-
-VERSION=$(git describe --exact-match 2>/dev/null || echo "$MAJOR-git$(git show -s --pretty=format:%cI.%h | tr -d ':' | tr -d '-' | tr '.' '-' | sed 's/T[0-9\+]*//g')")$DIRTY
 VERSION=$(echo "$VERSION" | sed 's/^v//')
 
 echo '#define VERSION_STRING "'$VERSION'"' > version.h