kiss: Block Ctrl+C during package install.

FossilOrigin-Name: b6e79a30499d4d325bdbca89cf467eec3893302e92dd168d9cab07bf65fc1292

1 files changed, 10 insertions, 1 deletions

diff --git a/kiss b/kiss
index 86ba97b..6f5382b 100755
--- a/kiss
+++ b/kiss
@@ -665,6 +665,11 @@ pkg_install() {
         cp "$(command -v mkdir)" "$cac_dir"
         cp "$(command -v find)"  "$cac_dir"
 
+        # Block being able to abort the script with 'Ctrl+C' during installation.
+        # Removes all risk of the user aborting a package installation leaving
+        # an incomplete package installed.
+        trap '' INT
+
         log "[$pkg_name]: Removing previous version of package if it exists."
         pkg_remove "$pkg_name"
         log "[$pkg_name]: Installing package..."
@@ -689,9 +694,13 @@ pkg_install() {
             [ -f "$KISS_ROOT/${rpath%/*}/${file##*/}" ] &&
                 return
 
-            "$cac_dir/mv" "$file" "$KISS_ROOT/${rpath%/*}"
+            "$cac_dir/mv" "$file" "$KISS_ROOT/${rpath%/*}" ||:
         done
 
+        # Reset 'trap' to its original value. Installation is done so
+        # we no longer need to block 'Ctrl+C'.
+        trap pkg_clean EXIT INT
+
         # Run the post install script and suppress errors. If it exists,
         # it will run, else nothing will happen.
         "$KISS_ROOT/var/db/kiss/$pkg_name/post-install" 2>/dev/null ||: