From 1588644f924bb702e56a007be629c54cf14e5e5d Mon Sep 17 00:00:00 2001
From: Mattias Andrée <maandree@operamail.com>
Date: Sat, 28 Nov 2015 14:40:49 +0100
Subject: m + add shell tab-completion
MIME-Version: 1.0
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Content-Transfer-Encoding: 8bit

Signed-off-by: Mattias Andrée <maandree@operamail.com>
---
 Makefile                | 50 +++++++++++++++++++++++++++++++++++++++++++++----
 README                  |  2 +-
 doc/man/gpp.1           |  2 +-
 src/gpp.auto-completion | 33 ++++++++++++++++++++++++++++++++
 4 files changed, 81 insertions(+), 6 deletions(-)
 create mode 100644 src/gpp.auto-completion

diff --git a/Makefile b/Makefile
index 8ab3ca5..350ba09 100644
--- a/Makefile
+++ b/Makefile
@@ -24,10 +24,10 @@ SHEBANG = /usr$(BIN)/env $(PY)
 
 
 .PHONY: default
-default: cmd info
+default: cmd info shell
 
 .PHONY: all
-all: cmd doc
+all: cmd doc shell
 
 .PHONY: cmd
 cmd: bin/gpp
@@ -78,13 +78,34 @@ obj/fdl.texinfo: doc/info/fdl.texinfo
 	@mkdir -p obj
 	cp "$<" "$@"
 
+.PHONY: shell
+shell: bash fish zsh
+
+.PHONY: bash
+bash: bin/gpp.bash-completion
+
+.PHONY: fish
+fish: bin/gpp.fish-completion
+
+.PHONY: zsh
+zsh: bin/gpp.zsh-completion
+
+obj/gpp.auto-completion: src/gpp.auto-completion bin/gpp
+	@mkdir -p obj
+	cp $< $@
+	$(PY) bin/gpp -s '#' -D GPP=$(COMMAND) < "$<" > "$@"
+
+bin/gpp.%sh-completion: obj/gpp.auto-completion
+	@mkdir -p bin
+	auto-auto-complete $*sh --output $@ --source $<
+
 
 
 .PHONY: install
-install: install-core install-info install-man
+install: install-core install-info install-man install-shell
 
 .PHONY: install
-install-all: install-core install-doc
+install-all: install-core install-doc install-shell
 
 .PHONY: install-core
 install-core: install-cmd install-license
@@ -127,6 +148,24 @@ install-man: doc/man/gpp.1
 	install -dm755 -- "$(DESTDIR)$(MAN1DIR)"
 	install -m644 $< -- "$(DESTDIR)$(MAN1DIR)/$(COMMAND).1"
 
+.PHONY: install-shell
+install-shell: install-bash install-fish install-zsh
+
+.PHONY: install-bash
+install-bash: bin/gpp.bash-completion
+	install -dm755 -- "$(DESTDIR)$(DATADIR)/bash-completion/completions"
+	install -m644 $< -- "$(DESTDIR)$(DATADIR)/bash-completion/completions/$(COMMAND)"
+
+.PHONY: install-fish
+install-fish: bin/gpp.fish-completion
+	install -dm755 -- "$(DESTDIR)$(DATADIR)/fish/completions"
+	install -m644 $< -- "$(DESTDIR)$(DATADIR)/fish/completions/$(COMMAND).fish"
+
+.PHONY: install-zsh
+install-zsh: bin/gpp.zsh-completion
+	install -dm755 -- "$(DESTDIR)$(DATADIR)/zsh/site-functions"
+	install -m644 $< -- "$(DESTDIR)$(DATADIR)/zsh/site-functions/_$(COMMAND)"
+
 
 
 .PHONY: uninstall
@@ -140,6 +179,9 @@ uninstall:
 	-rm -- "$(DESTDIR)$(DOCDIR)/$(PKGNAME).dvi"
 	-rm -- "$(DESTDIR)$(DOCDIR)/$(PKGNAME).ps"
 	-rm -- "$(DESTDIR)$(MAN1DIR)/$(COMMAND).1"
+	-rm -- "$(DESTDIR)$(DATADIR)/bash-completion/completions/$(COMMAND)"
+	-rm -- "$(DESTDIR)$(DATADIR)/fish/completions/$(COMMAND).fish"
+	-rm -- "$(DESTDIR)$(DATADIR)/zsh/site-functions/_$(COMMAND)"
 
 
 
diff --git a/README b/README
index 055d4df..64a6811 100644
--- a/README
+++ b/README
@@ -48,7 +48,7 @@ OPTIONS
 		Specifies the encoding of the file.
 
 	-n, --iterations N
-		The the processing N times. Defaults to 1 time.
+		Process the file recursively N times. Defaults to 1 time.
 
 	-u, --unshebang
 		Clear the shebang line, remove it if this flag
diff --git a/doc/man/gpp.1 b/doc/man/gpp.1
index 275a15e..99e820d 100644
--- a/doc/man/gpp.1
+++ b/doc/man/gpp.1
@@ -68,7 +68,7 @@ Defaults to @ (at).
 Specifies the encoding of the file.
 .TP
 .BR \-n ,\  \-\-iterations \ \fIN\fP
-The the processing \fIN\fP times. Defaults to 1 time.
+Process the file recursively \fIN\fP times. Defaults to 1 time.
 .TP
 .BR \-u ,\  \-\-unshebang
 Clear the shebang line, remove it if this flag
diff --git a/src/gpp.auto-completion b/src/gpp.auto-completion
new file mode 100644
index 0000000..6727fb3
--- /dev/null
+++ b/src/gpp.auto-completion
@@ -0,0 +1,33 @@
+(#{GPP}
+	(argumented (option -s --symbol) (complete --symbol) (arg SYMBOL) (files -0)
+	(desc 'Set the prefix symbol for preprocessor directives'))
+
+	(argumented (option -e --encoding) (complete --encoding) (arg ENCODING) (files -0) (suggest encoding)
+	(desc 'Select encoding of the file'))
+	(suggestion encoding (verbatim UTF-8))
+
+	(argumented (option -n --iterations) (complete --iterations) (arg N) (files -0)
+	(desc 'Select the number of times to perform the preprocessing recursively'))
+
+	(unargumented (option -u --unshebang) (complete --unshebang)
+	(desc 'Clear the shebang line, twice to delete it'))
+
+	(argumented (option -i --input) (complete --input) (arg FILE) (files -f)
+	(desc 'Select file to process'))
+
+	(argumented (option -i --output) (complete --output) (arg FILE) (files -f)
+	(desc 'Select output file'))
+
+	(argumented (option -f --file) (complete --file) (arg FILE) (files -r)
+	(desc 'Select file to both process and store the output'))
+
+	(argumented (option -D --export) (complete --export) (arg NAME=VALUE) (files -0)
+	(desc 'Set environment variable'))
+
+	(unargumented (option -v --version) (complete --version)
+	(desc 'Print program name and version and exit'))
+
+	(unargumented (option -c --copying) (complete --copying)
+	(desc 'Print copyright notice and exit'))
+)
+
-- 
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