setup.sh: Add set -e.

[config/dotfiles.git] / setup.sh

diff --git a/setup.sh b/setup.sh
index 538c0794899e9794ce4c2932690da9c8b66882b5..38cac8efdf44b9df88a1613049e335b596759336 100755 (executable)
--- a/setup.sh
+++ b/setup.sh
@@ -18,13 +18,21 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 
+set -e
+
 . ../lib.sh
 
 # gdb, GNU debugger.
-link gdbinit ~/.gdbinit
+if installed gdb; then
+    link gdbinit ~/.gdbinit
+fi
 
 # Maxima, a symbolic algebra program.
-link maxima ~/.maxima
+if installed maxima; then
+    link maxima ~/.maxima
+fi
 
 # perlcritic to check Perl programs for common problems.
-link perl/perlcriticrc ~/.perlcriticrc
+if installed perlcritic; then
+    link perl/perlcriticrc ~/.perlcriticrc
+fi