- Base library:

- Rename default.bash to base.bash,
    - Normalise some function names: version_print(), help_print(), str_quote(), str_escape(), echo_line(), echo_error() & cmd_exec()
    - Normalise some global variables: VERBOSE & DRY_RUN,
    - Add default options: errexit, pipefail & nounset,
    - Add GPL headers,
- ISL:
    - Move ISL functions to isl command,
    - Add bash completion,
- URPMI-Setup:
    - Add urpmi-setup command.

etc/bash_completion.d/isl

@@ -0,0 +1,63 @@
+#!/bin/bash
+#-----------------------------------------------------------------------------------------------------------------------------------
+#
+# ISL: Image Stack Log
+# 
+# Copyright (C) 2026 Arnaud G. GIBERT
+# mailto:arnaud@rx3.net
+# 
+# This is free software: you can redistribute it and/or modify it
+# under the terms of the GNU Lesser General Public License as published
+# by the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; If not, see
+# <https://www.gnu.org/licenses/>.
+# 
+#-----------------------------------------------------------------------------------------------------------------------------------
+# -*- mode: shell; sh-basic-offset: 4; indent-tabs-mode: nil; -*-
+
+
+
+_isl() {
+    local cur prev opts sub_opts
+    COMPREPLY=()
+    cur="${COMP_WORDS[COMP_CWORD]}"
+    prev="${COMP_WORDS[COMP_CWORD-1]}"
+    opts="--help -h --version -V --test -T --verbose -v --add -a --cat -c --dump -d --top -t"
+    sub_opts="--reverse -r --inline -i --image -m"
+
+    # Check if we're completing a sub-option
+    case "${COMP_WORDS[1]}" in
+        --cat|-c|--dump|-d|--top|-t)
+            COMPREPLY=( $(compgen -W "${sub_opts}" -- "${cur}") )
+            return 0
+            ;;
+    esac
+
+    # Top-level completion
+    case "${prev}" in
+        --add|-a)
+            COMPREPLY=( $(compgen -f -- "${cur}") )  # Complete with filenames/URLs
+            return 0
+            ;;
+        --cat|-c|--dump|-d|--top|-t)
+            COMPREPLY=( $(compgen -W "${sub_opts}" -- "${cur}") )
+            return 0
+            ;;
+        *)
+            COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
+            return 0
+            ;;
+    esac
+}
+
+
+
+complete -F _isl isl