add bash completion file

Signed-off-by: Arthur Zamarin <arthurzam@gentoo.org>

data/share/bash-completion/completions/pycargoebuild

@@ -0,0 +1,47 @@
+# Copyright 2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License, v2 or later
+
+_pycargoebuild() {
+    local i cur prev
+    _get_comp_words_by_ref cur prev
+
+    local OPTS=(
+        -h --help -c --crate-tarball --crate-tarball-path --crate-tarball-prefix
+        -d --distdir -f --force -F --fetcher -i --input --inplace --no-config
+        -l --license-mapping -L --no-license -M --no-manifest -o --output
+    )
+
+    case ${prev} in
+        --crate-tarball-prefix)
+            COMPREPLY=()
+            return 0
+            ;;
+        --crate-tarball-path)
+            _filedir
+            return 0
+            ;;
+        -i|--input|--inplace|-o|--output)
+            _filedir 'ebuild'
+            return 0
+            ;;
+        -d|--distdir)
+            _filedir -d
+            return 0
+            ;;
+        -l|--license-mapping)
+            _filedir
+            return 0
+            ;;
+        -F|--fetcher)
+            COMPREPLY=($(compgen -W 'auto aria2 wget' -- "${cur}"))
+            return 0
+            ;;
+    esac
+
+    if [[ ${cur} == -* ]]; then
+        COMPREPLY=( $(compgen -W '${OPTS[*]}' -- "${cur}") )
+    else
+        _filedir -d
+    fi
+} &&
+complete -F _pycargoebuild pycargoebuild

pyproject.toml

@@ -1,5 +1,5 @@
 [build-system]
-requires = ["flit_core >=3.2,<4"]
+requires = ["flit_core >=3.7,<4"]
 build-backend = "flit_core.buildapi"
 
 [project]
@@ -29,6 +29,9 @@ pycargoebuild = "pycargoebuild.__main__:entry_point"
 [project.urls]
 Homepage = "https://github.com/projg2/pycargoebuild/"
 
+[tool.flit.external-data]
+directory = "data"
+
 [tool.flit.sdist]
 include = [
     "COPYING",