photo-stats

commit 0b507b9c341b31a0e28f6f4b3e5dc8633f804e37
parent 22673811164a583dbeaf38ecdccb65db7b23515f
Author: René Wagner <rwa@clttr.info>
Date:   Wed, 19 Apr 2023 21:14:06 +0200

add initial bash completion function

Diffstat:
M
Makefile
 | 
9
++++++---
A
phosta-completion.sh
 | 
57
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++

2 files changed, 63 insertions(+), 3 deletions(-)
diff --git a/Makefile b/Makefile
@@ -3,6 +3,7 @@ PREFIX?=/usr/local
 BINDIR?=$(PREFIX)/bin
 MANDIR?=$(PREFIX)/share/man
 DOCDIR?=$(PREFIX)/share/doc
+COMPLDIR?=$(PREFIX)/share/bash-completion
 .DEFAULT_GOAL=all
 
 phosta:
@@ -25,21 +26,23 @@ clean:
 	rm -rf phosta.1 phosta-alias.5 phosta-examples.7 phosta-faq.7
 
 install: all
-	mkdir -p $(DESTDIR)/$(BINDIR) $(DESTDIR)/$(MANDIR)/man1 $(DESTDIR)/$(MANDIR)/man5 $(DESTDIR)/$(MANDIR)/man7 $(DESTDIR)/$(DOCDIR)/phosta/
+	mkdir -p $(DESTDIR)/$(BINDIR) $(DESTDIR)/$(MANDIR)/man1 $(DESTDIR)/$(MANDIR)/man5 $(DESTDIR)/$(MANDIR)/man7 $(DESTDIR)/$(DOCDIR)/phosta/ $(DESTDIR)/$(COMPLDIR)/completions
 	install -m755 phosta $(DESTDIR)/$(BINDIR)/phosta
 	install -m644 phosta.1 $(DESTDIR)/$(MANDIR)/man1/phosta.1
 	install -m644 phosta-alias.5 $(DESTDIR)/$(MANDIR)/man5/phosta-alias.5
 	install -m644 phosta-examples.7 $(DESTDIR)/$(MANDIR)/man7/phosta-examples.7
 	install -m644 phosta-faq.7 $(DESTDIR)/$(MANDIR)/man7/phosta-faq.7
 	install -m644 LICENSE $(DESTDIR)/$(DOCDIR)/phosta/LICENSE
+	install -m644 phosta-completion.sh $(DESTDIR)/$(COMPLDIR)/completions/phosta
 
-uninstall:
+uninstall: all
 	rm -f $(DESTDIR)/$(BINDIR)/phosta
 	rm -f $(DESTDIR)/$(MANDIR)/man1/phosta.1
 	rm -f $(DESTDIR)/$(MANDIR)/man5/phosta-alias.5
 	rm -f $(DESTDIR)/$(MANDIR)/man7/phosta-examples.7
 	rm -f $(DESTDIR)/$(MANDIR)/man7/phosta-faq.7
 	rm -rf $(DESTDIR)/$(DOCDIR)/phosta/
+	rm -rf $(DESTDIR)/$(COMPLDIR)/completions/phosta
 
-check: phosta phosta.1 phosta-alias.5 phosta-examples.7 phosta-faq.7
+check: all
 	@find test -perm -111 -exec '{}' \;
diff --git a/phosta-completion.sh b/phosta-completion.sh
@@ -0,0 +1,57 @@
+#!/bin/bash
+
+_phosta_completions()
+{
+	local cur=${COMP_WORDS[COMP_CWORD]}
+	local prev=${COMP_WORDS[COMP_CWORD-1]}
+
+	local suggestions
+	case "${prev}" in
+	"-o")
+		suggestions=($(compgen -W "year month week hour file maker model lensmaker lens aperture exposuretime iso focallength focallength35mm" "${cur}"))
+		;;
+	"-s")
+		suggestions=($(compgen -W "file maker model lensmaker lens aperture exposuretime iso focallength focallength35mm" "${cur}"))
+		;;
+	"-g")
+		suggestions=($(compgen -W "year month week hour" "${cur}"))
+		;;
+	"-T")
+		suggestions=($(compgen -W "auto on off" "${cur}"))
+		;;
+	"-n")
+		suggestions=($(compgen -W "10 20 50 100" "${cur}"))
+		;;
+	"-W")
+		suggestions=($(compgen -W "80 100 120" "${cur}"))
+		;;
+	"-t")
+		if [ "${cur}" == "" ]; then
+			suggestions=($(compgen -W "$(date +%Y)0101-$(date +%Y)1231"))
+		else
+			suggestions=($(compgen -W "${cur}0101-${cur}1231" "${cur}"))
+		fi
+		;;
+	"-p")
+		suggestions=($(compgen -d "${cur}"))
+		;;
+	"-D")
+		suggestions=($(compgen -f "${cur}"))
+		;;
+	esac
+
+	if [ "${#suggestions[@]}" == "1" ]; then
+		# if there's only one match, we remove the command literal
+		# to proceed with the automatic completion of the command 
+		suggestion=$(echo "${suggestions[0]/%\ */}")
+		COMPREPLY=("${suggestion}")
+	else
+		# more than one suggestions resolved,
+		# respond with the suggestions intact
+		COMPREPLY=("${suggestions[@]}")
+	fi
+
+	return 0
+}
+
+complete -o nospace -F _phosta_completions phosta