Automatically install pre-commit hook

Instead of telling the user to do so and failing, we can just install the hook
ourselves. This saves the user some trouble and more importantly avoids
breaking tests in jhbuild continuous integration setups.

https://bugzilla.gnome.org/show_bug.cgi?id=686388

diff --git a/Makefile.am b/Makefile.am
index c4f6703..7016458 100644 (file)
--- a/Makefile.am
+++ b/Makefile.am
@@ -58,10 +58,7 @@ EXTRA_DIST +=                        \
 
 check-local:
        gtester --verbose $(GTESTER_PROGS)
-       @test ! -d $(top_srcdir)/.git || (test -f $(top_srcdir)/.git/hooks/pre-commit || (echo -e "ERROR: missing \
-       pre-commit hook.\n\ncopy misc/pre-commit to .git/hooks"; false))
-       @test ! -d $(top_srcdir)/.git || (test -x $(top_srcdir)/.git/hooks/pre-commit || (echo -e "ERROR: pre-commit \
-       is not executable\n\nrun chmod +x .git/hooks/pre-commit"; false))
+       @test ! -d $(top_srcdir)/.git || (test -f $(top_srcdir)/.git/hooks/pre-commit || install misc/pre-commit .git/hooks/pre-commit)
        @echo "TEST: PEP-8 INQUISITION"
        @find $(top_srcdir)/giscanner -name \*.py | sort | uniq | xargs $(PYTHON) $(top_srcdir)/misc/pep8.py --repeat --exclude=config.py
        @echo "TEST: Annotation pattern programs"