From fcac3b17edcb7cd7c22305bd5c519f9cd7e6c1de Mon Sep 17 00:00:00 2001
From: zsugabubus <zsugabubus@users.noreply.github.com>
Date: Wed, 5 Feb 2020 10:03:15 +0100
Subject: [PATCH] Add Zsh completion

---
 Makefile   |  6 ++++++
 abduco.zsh | 35 +++++++++++++++++++++++++++++++++++
 2 files changed, 41 insertions(+)
 create mode 100644 abduco.zsh

diff --git a/Makefile b/Makefile
index fe57193..b470b96 100644
--- a/Makefile
+++ b/Makefile
@@ -10,6 +10,8 @@ LDFLAGS_STD ?= -lc -lutil
 STRIP ?= strip
 INSTALL ?= install
 
+ZSHPREFIX ?= /usr/local
+
 SRC = abduco.c
 
 all: abduco
@@ -44,11 +46,15 @@ install: abduco
 	@mkdir -p ${DESTDIR}${MANPREFIX}/man1
 	@sed "s/VERSION/${VERSION}/g" < abduco.1 > ${DESTDIR}${MANPREFIX}/man1/abduco.1
 	@chmod 644 ${DESTDIR}${MANPREFIX}/man1/abduco.1
+	@echo installing zsh completion file to ${DESTDIR}${ZSHPREFIX}/share/zsh/site-functions
+	@install -Dm644 abduco.zsh ${DESTDIR}${ZSHPREFIX}/share/zsh/site-functions/_abduco
 
 uninstall:
 	@echo removing executable file from ${DESTDIR}${PREFIX}/bin
 	@rm -f ${DESTDIR}${PREFIX}/bin/abduco
 	@echo removing manual page from ${DESTDIR}${MANPREFIX}/man1
 	@rm -f ${DESTDIR}${MANPREFIX}/man1/abduco.1
+	@echo removing zsh completion file from ${DESTDIR}/usr/share/zsh/site-functions
+	@rm -f ${DESTDIR}${ZSHPREFIX}/share/zsh/site-functions/_abduco
 
 .PHONY: all clean dist install-strip install uninstall debug
diff --git a/abduco.zsh b/abduco.zsh
new file mode 100644
index 0000000..e8e94d1
--- /dev/null
+++ b/abduco.zsh
@@ -0,0 +1,35 @@
+#compdef abduco
+
+typeset -A opt_args
+
+_abduco_sessions() {
+  declare -a sessions
+  sessions=( $(abduco | sed '1d;s/.*\t[0-9][0-9]*\t//') )
+  _describe -t session 'session' sessions
+}
+
+_abduco_firstarg() {
+  if (( $+opt_args[-a] || $+opt_args[-A] )); then
+    _abduco_sessions
+  elif (( $+opt_args[-c] || $+opt_args[-n] )); then
+    _guard "^-*" 'session name'
+  elif [[ -z $words[CURRENT] ]]; then
+    compadd "$@" -S '' -- -
+  fi
+}
+
+_arguments -s \
+  '(-a -A -c -n -f)-a[attach to an existing session]' \
+  '(-a -A -c -n)-A[attach to a session, create if does not exist]' \
+  '(-a -A -c -n -l)-c[create a new session and attach to it]' \
+  '(-a -A -c -n -l)-n[create a new session but do not attach to it]' \
+  '-e[set the detachkey (default: ^\\)]:detachkey' \
+  '(-a)-f[force create the session]' \
+  '(-q)-p[pass-through mode]' \
+  '-q[be quiet]' \
+  '-r[read-only session, ignore user input]' \
+  '(-c -n)-l[attach with the lowest priority]' \
+  '(-)-v[show version information and exit]' \
+  '1: :_abduco_firstarg' \
+  '2:command:_path_commands' \
+  '*:: :{ shift $((CURRENT-3)) words; _precommand; }'