Move build code into separate script

.travis.yml

@@ -22,19 +22,7 @@ install:
   - rm -rf patchelf
 
 script:
-  - mkdir build
-  - cd build
-  - cmake ..
-  - make VERBOSE=1
-  # deploy patchelf which is a dependency of linuxdeploy
-  - LINUXDEPLOY_ARGS=("--init-appdir" "--appdir" "AppDir" "-e" "bin/linuxdeploy" "-i" "../resources/linuxdeploy.png" "--create-desktop-file" "-e" "/usr/bin/patchelf" "-e" "/usr/bin/convert")
-  - bin/linuxdeploy "${LINUXDEPLOY_ARGS[@]}"
-  # verify that an AppImage can be built
-  - wget https://github.com/AppImage/AppImageKit/releases/download/continuous/appimagetool-x86_64.AppImage
-  - chmod +x appimagetool-x86_64.AppImage
-  - ./appimagetool-x86_64.AppImage AppDir
-  # verify that the resulting AppImage works
-  - ./linuxdeploy*.AppImage "${LINUXDEPLOY_ARGS[@]}"
+  - travis/build.sh
 
 after_success:
   - ls -lh

travis/build.sh

@@ -0,0 +1,47 @@
+#! /bin/bash
+
+set -e
+set -x
+
+# use RAM disk if possible
+if [ "$CI" == "" ] && [ -d /dev/shm ]; then
+    TEMP_BASE=/dev/shm
+else
+    TEMP_BASE=/tmp
+fi
+
+BUILD_DIR=$(mktemp -d -p "$TEMP_BASE" AppImageUpdate-build-XXXXXX)
+
+cleanup () {
+    if [ -d "$BUILD_DIR" ]; then
+        rm -rf "$BUILD_DIR"
+    fi
+}
+
+trap cleanup EXIT
+
+# store repo root as variable
+REPO_ROOT=$(readlink -f $(dirname $(dirname $0)))
+OLD_CWD=$(readlink -f .)
+
+pushd "$BUILD_DIR"
+
+cmake "$REPO_ROOT"
+
+make VERBOSE=1
+
+# args are used more than once
+LINUXDEPLOY_ARGS=("--init-appdir" "--appdir" "AppDir" "-e" "bin/linuxdeploy" "-i" "$REPO_ROOT/resources/linuxdeploy.png" "--create-desktop-file" "-e" "/usr/bin/patchelf")
+
+# deploy patchelf which is a dependency of linuxdeploy
+bin/linuxdeploy "${LINUXDEPLOY_ARGS[@]}"
+
+# verify that an AppImage can be built
+wget https://github.com/AppImage/AppImageKit/releases/download/continuous/appimagetool-x86_64.AppImage
+chmod +x appimagetool-x86_64.AppImage
+./appimagetool-x86_64.AppImage AppDir
+
+# verify that the resulting AppImage works
+./linuxdeploy*.AppImage "${LINUXDEPLOY_ARGS[@]}"
+
+mv linuxdeploy*.AppImage "$OLD_CWD"