install.sh: replace test check with DOTFILES_TEST

diff --git a/install.sh b/install.sh
index fbe8f1f0762cdab640145d5afa701d0adba16362..49b6af84f3bef7dedab1af68b06825a92318ea65 100755 (executable)
--- a/install.sh
+++ b/install.sh
@@ -19,7 +19,7 @@ cache="${XDG_CACHE_HOME#$DEST/}"
 
 # test
 devnull=/dev/null
-if [ "$1" = "test" ]; then
+if [ ${DOTFILES_TEST+x} = x ]; then
     echo "Running test -- no changes will be applied"
     devnull=/dev/stdout
     _cd() {
@@ -69,7 +69,7 @@ find . "$share" "$etc" \
      -xdev -mindepth 1 -maxdepth 1 -type l -exec sh -c '
        r="$(realpath "{}")"
        [ "${r#'"$SRC"'/}" != "$r" ] &&
-         '"$([ "$1" = test ] && echo 'echo +++ ')"'unlink "{}"' \;
+         '"$([ ${DOTFILES_TEST+x} = x ] && echo 'echo +++ ')"'unlink "{}"' \;
 
 cd "$SRC" >$devnull