From 8601db8811a54717719702effe3bed94bc2ce86f Mon Sep 17 00:00:00 2001
From: Imbus <aa>
Date: Sat, 21 Feb 2026 07:24:25 +0100
Subject: [PATCH] Initial bash completion

---
 Makefile                    |  7 +++++++
 writeimg_completion_bash.sh | 25 +++++++++++++++++++++++++
 2 files changed, 32 insertions(+)
 create mode 100644 writeimg_completion_bash.sh

diff --git a/Makefile b/Makefile
index eb6a5cd..7663e96 100644
--- a/Makefile
+++ b/Makefile
@@ -25,8 +25,15 @@ install: writeimg
 	install -m 0755 $< $(DESTDIR)$(PREFIX)/bin/$<
 	install -m 0644 $<.1 $(DESTDIR)$(PREFIX)/share/man/man1/$<.1
 
+# Note that this bypasses PREFIX, since
+# bash does not source /usr/local by default
+install_bash: writeimg_completion_bash.sh
+	install -d $(DESTDIR)/etc/bash_completion.d
+	install -m 0644 $< $(DESTDIR)/etc/bash_completion.d/$<
+
 uninstall:
 	rm -f $(DESTDIR)$(PREFIX)/bin/writeimg
 	rm -f $(DESTDIR)$(PREFIX)/share/man/man1/writeimg.1
+	rm -f $(DESTDIR)/etc/bash_completion.d/writeimg*
 
 .PHONY: clean install uninstall
diff --git a/writeimg_completion_bash.sh b/writeimg_completion_bash.sh
new file mode 100644
index 0000000..305cf95
--- /dev/null
+++ b/writeimg_completion_bash.sh
@@ -0,0 +1,25 @@
+_writeimg_completion() {
+    local cur prev opts
+
+    cur="${COMP_WORDS[COMP_CWORD]}"
+    prev="${COMP_WORDS[COMP_CWORD-1]}"
+
+    opts="-v -d -h --help -n --noconfirm -V --version"
+
+    # Devices
+    if [[ "$prev" == "-d" ]]; then
+        COMPREPLY=( $(compgen -W "$(ls -d /dev/sd* /dev/nvme* /dev/mmcblk* 2>/dev/null)" -- "$cur") )
+        return 0
+    fi
+
+    # Flags
+    if [[ "$cur" != -* ]]; then
+        COMPREPLY=( $(compgen -f -- "$cur") )
+        return 0
+    fi
+
+    # Files
+    COMPREPLY=( $(compgen -W "$opts" -- "$cur") )
+}
+
+complete -F _writeimg_completion writeimg