getoptions: do not unset variables if parameters aren't given.

FossilOrigin-Name: d3aeabb1ff9e6acaea85638e37721065bb937b2cb1a349270a5dbcb0ef669d59

1 files changed, 5 insertions, 5 deletions

diff --git a/src/cpt-install b/src/cpt-install
index 0ee6816..92d8eee 100755
--- a/src/cpt-install
+++ b/src/cpt-install
@@ -2,15 +2,15 @@
 # Install a package
 
 # shellcheck disable=1091
-if command -v cpt-lib >/dev/null; then . cpt-lib; else . ./cpt-lib; fi
+if [ -f ./cpt-lib ]; then . ./cpt-lib; else . cpt-lib; fi
 
 parser_definition() {
     setup REST -- "usage: ${0##*/} [pkg...]"
     msg -- '' 'Options:'
-    flag  CPT_FORCE -f --force   -- "Force installation"
-    param CPT_ROOT     --root    -- "Use an alternate root directory"
-    disp  :usage    -h --help    -- "Show this help message"
-    disp  :version  -v --version -- "Print version information"
+    flag  CPT_FORCE -f --force init:="$CPT_FORCE" -- "Force installation"
+    param CPT_ROOT     --root  init:="$CPT_ROOT"  -- "Use an alternate root directory"
+    disp  :usage    -h --help                     -- "Show this help message"
+    disp  :version  -v --version                  -- "Print version information"
 }
 
 eval "$(getoptions      parser_definition parse "$0")"