X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?p=topgit.git;a=blobdiff_plain;f=hooks%2Fpre-commit.sh;h=4f2f16f33cf10cbf9dc5da3eeea5ef272521d9f2;hp=6dbe82cb3c211cbf82ba3c722d9f748064cc6960;hb=8b0f1f9d215d767488542a7853320d1789838d92;hpb=eff4bedc3f3ae92d47f7d78b19509ce2bd60d4e8

diff --git a/hooks/pre-commit.sh b/hooks/pre-commit.sh
index 6dbe82c..4f2f16f 100644
--- a/hooks/pre-commit.sh
+++ b/hooks/pre-commit.sh
@@ -93,3 +93,15 @@ BEGIN      { in_hunk = 0; }
 		# therefore no endless loop in the cycle-check
 		no_remotes=1 recurse_deps check_cycle_name "$newly_added"
 	done
+
+# check for repetitions of deps
+depdir="$(mktemp -t -d tg-depdir.XXXXXX)" ||
+	die "Can't check for multiple occurrences of deps"
+trap "rm -rf '$depdir'" 0
+cat_file "(i):.topdeps" |
+	while read dep; do
+		[ ! -d "$depdir/$dep" ] ||
+			die "Multiple occurrences of the same dep: $dep"
+		mkdir -p "$depdir/$dep" ||
+			die "Can't check for multiple occurrences of deps"
+	done