Fix bug in migration of config file.

snip

@@ -141,13 +141,13 @@ readonly VERSION="0.0.3"
 
 # Default variables
 readonly ARGV0="$0"
-readonly SHORT_HOSTNAME="${HOSTNAME#.*}"
 readonly PROGRAM="${0##*/}"
 readonly XDG_CONFIG_HOME="${XDG_CONFIG_HOME:-"$HOME/.config"}"
 readonly CONFIG_DIR="${XDG_CONFIG_HOME}/snip"
+readonly CONFIG_FILENAME="config.${HOSTNAME?}"
+readonly CONFIG_FILE="${CONFIG_DIR}/${CONFIG_FILENAME}"
 readonly DB_PREFIX="${CONFIG_DIR}/db"
-readonly DB_FILE="${DB_PREFIX}.${SHORT_HOSTNAME?}"
-readonly CONFIG_FILE="${CONFIG_DIR}/config.${SHORT_HOSTNAME?}"
+readonly DB_FILE="${DB_PREFIX}.${HOSTNAME?}"
 
 # Base column command. Behavior of the last column depends on the command
 # (list/find).
@@ -625,12 +625,12 @@ function repo_sync() {
 }
 
 # migrate_from_v0_0_2 - Migrate the config file and database from v0.0.2.
-# - Config file: Rename bare config name to config.SHORT_HOSTNAME form.
+# - Config file: Rename bare config name to config.HOSTNAME form.
 # - Database: Add host as the first column, if not present.
 function migrate_from_v0_0_2() {
-  # Old config file == new config file without the .SHORT_HOSTNAME suffix
-  local old_config="${CONFIG_FILE%.*}"
-  if [[ -s "${CONFIG_FILE%.*}" ]]; then
+  # Old config file == new config file without the .HOSTNAME suffix
+  local old_config="${CONFIG_DIR}/${CONFIG_FILENAME%%.*}"
+  if [[ -s "${old_config}" ]]; then
     mv "${old_config}" "${CONFIG_FILE}"
     print_ok "Configuration migrated from v0.0.2"
   fi
@@ -639,7 +639,7 @@ function migrate_from_v0_0_2() {
   # we assume it to be using v0.0.2. Keep the regexp as simple as possible to
   # avoid compatibility issues.
   if head -1 "${DB_FILE}" | grep -q '^[0-9][0-9][0-9][0-9]-[0-9][0-9]-[0-9][0-9]'; then
-    sed -i "s/^/${SHORT_HOSTNAME}|/" "${DB_FILE}"
+    sed -i "s/^/${HOSTNAME}|/" "${DB_FILE}"
     print_ok "Database migrated from v0.0.2"
   fi
 }