[TopGit PATCH] hooks/pre-commit: check for deps repititions

[Bert Wesarg <bert.wesarg@googlemail.com>]

A dep should only be listed once in .topdeps, force this.

Signed-off-by: Bert Wesarg <bert.wesarg@googlemail.com>

---
 hooks/pre-commit.sh |   12 ++++++++++++
 1 files changed, 12 insertions(+), 0 deletions(-)

diff --git a/hooks/pre-commit.sh b/hooks/pre-commit.sh
index f6901e4..e8986d6 100644 hooks/pre-commit.sh
--- a/hooks/pre-commit.sh
+++ b/hooks/pre-commit.sh
@@ -67,3 +67,15 @@ BEGIN      { in_hunk = 0; }
 		# therefore no endless loop in the cycle-check
 		no_remotes=1 recurse_deps check_cycle_name "$newly_added"
 	done
+
+# check for repititions of deps
+depdir="$(mktemp -t -d tg-depdir.XXXXXX)" ||
+	die "Can't check for mulitple occurrences of deps"
+trap "rm -rf '$depdir'" 0
+cat_file "(i):.topdeps" |
+	while read dep; do
+		[ ! -d "$depdir/$dep" ] ||
+			die "Mulitple occurrences of the same dep: $dep"
+		mkdir -p "$depdir/$dep" ||
+			die "Can't check for mulitple occurrences of deps"
+	done
-- 
tg: (a2bfc32..) bw/check-for-repetitions (depends on: bw/check-valid-deps)