From 740d53bc517f7718a4373c9d16b66a8f204039f0 Mon Sep 17 00:00:00 2001
From: Federico Angelilli <code@fedang.net>
Date: Sun, 12 Nov 2023 17:13:31 +0100
Subject: Add bash completion

---
 compl/crypt.bash | 53 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 crypt.sh         |  2 ++
 2 files changed, 55 insertions(+)
 create mode 100755 compl/crypt.bash

diff --git a/compl/crypt.bash b/compl/crypt.bash
new file mode 100755
index 0000000..8631050
--- /dev/null
+++ b/compl/crypt.bash
@@ -0,0 +1,53 @@
+# Bash completion
+#
+# Copy to /usr/share/bash-completion/completions/crypt
+
+_crypt() {
+	COMPREPLY=()
+
+	local location="${CRYPT_LOCATION:-$HOME/.crypt}"
+	location="${location%/}/"
+	local cur="${COMP_WORDS[COMP_CWORD]}"
+
+	local IFS=$'\n'
+	local suffix=".gpg"
+
+	local firstitem=""
+	local i=0 item
+	local items=($(compgen -f $location$cur))
+
+	for item in ${items[@]}; do
+		[[ $item =~ /\.[^/]*$ ]] && continue
+
+		if [[ ${#items[@]} -eq 1 ]]; then
+			while [[ -d $item ]]; do
+				local subitems=($(compgen -f "$item/"))
+				local filtereditems=( ) item2
+				for item2 in "${subitems[@]}"; do
+					[[ $item2 =~ /\.[^/]*$ ]] && continue
+					filtereditems+=( "$item2" )
+				done
+				if [[ ${#filtereditems[@]} -eq 1 ]]; then
+					item="${filtereditems[0]}"
+				else
+					break
+				fi
+			done
+		fi
+
+		[[ -d $item ]] && item="$item/"
+
+		item="${item%$suffix}"
+		COMPREPLY+=("${item#$location}")
+		if [[ $i -eq 0 ]]; then
+			firstitem=$item
+		fi
+		let i+=1
+	done
+
+	if [[ $i -gt 1 || ( $i -eq 1 && -d $firstitem ) ]]; then
+		compopt -o nospace
+	fi
+}
+
+complete -o filenames -F _crypt crypt
diff --git a/crypt.sh b/crypt.sh
index c876bcd..b74792f 100755
--- a/crypt.sh
+++ b/crypt.sh
@@ -1,4 +1,6 @@
 #!/usr/bin/env bash
+#
+# Copy to /usr/bin/crypt
 
 umask 077
 set -o pipefail
-- 
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