scripts: Check that we got the right number of parameters

5 files changed, 25 insertions, 0 deletions

diff --git a/scripts/commit.sh b/scripts/commit.sh
index b2798b3b..1d4124a7 100644
--- a/scripts/commit.sh
+++ b/scripts/commit.sh
@@ -1,5 +1,10 @@
 set -e
 
+if [ "$#" != 4 ] ; then
+	echo 'usage: commit.sh repo branch tag out' >&2
+	exit 2
+fi
+
 repo=$1
 branch=$2
 tag=$3
diff --git a/scripts/hash.sh b/scripts/hash.sh
index 15861d27..6e2c4462 100644
--- a/scripts/hash.sh
+++ b/scripts/hash.sh
@@ -1,5 +1,10 @@
 set -e
 
+if [ "$#" != 4 ] ; then
+	echo 'usage: hash.sh repo mode name file' >&2
+	exit 2
+fi
+
 repo=$1
 mode=$2
 name=$3
diff --git a/scripts/probe-size.sh b/scripts/probe-size.sh
index eabfe3b9..ff671ef0 100644
--- a/scripts/probe-size.sh
+++ b/scripts/probe-size.sh
@@ -1,5 +1,10 @@
 set -e
 
+if [ "$#" -lt 2 ] ; then
+	echo 'usage: probe-size.sh var command...' >&2
+	exit 2
+fi
+
 var=$1
 shift
 for size in 8 4 2 1 ; do
diff --git a/scripts/probe.sh b/scripts/probe.sh
index 70867cdb..093a16dc 100644
--- a/scripts/probe.sh
+++ b/scripts/probe.sh
@@ -1,5 +1,10 @@
 set -e
 
+if [ "$#" -lt 2 ] ; then
+	echo 'usage: probe.sh var command...' >&2
+	exit 2
+fi
+
 var=$1
 shift
 if "$@" 2>/dev/null ; then
diff --git a/scripts/tree.sh b/scripts/tree.sh
index 15ae6991..204f1c1b 100644
--- a/scripts/tree.sh
+++ b/scripts/tree.sh
@@ -1,5 +1,10 @@
 set -e
 
+if [ "$#" != 4 ] ; then
+	echo 'usage: commit.sh repo tag index out' >&2
+	exit 2
+fi
+
 repo=$1
 tag=$2
 index=$3