[copyright] add MIT license headers to .sh scripts where missing

contrib/devtools/git-subtree-check.sh

@@ -1,4 +1,7 @@
 #!/bin/sh
+# Copyright (c) 2015 The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 DIR="$1"
 COMMIT="$2"

contrib/macdeploy/detached-sig-apply.sh

@@ -1,4 +1,8 @@
 #!/bin/sh
+# Copyright (c) 2014-2015 The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
 set -e
 
 UNSIGNED="$1"

contrib/macdeploy/detached-sig-create.sh

@@ -1,4 +1,8 @@
 #!/bin/sh
+# Copyright (c) 2014-2015 The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
 set -e
 
 ROOTDIR=dist

contrib/qos/tc.sh

@@ -1,3 +1,7 @@
+# Copyright (c) 2013 The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
 #network interface on which to limit traffic
 IF="eth0"
 #limit of the network interface in question

contrib/tidy_datadir.sh

@@ -1,4 +1,7 @@
 #!/bin/bash
+# Copyright (c) 2013 The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 if [ -d "$1" ]; then
   cd "$1"

contrib/verify-commits/gpg.sh

@@ -1,8 +1,13 @@
 #!/bin/sh
-INPUT=$(</dev/stdin)
+# Copyright (c) 2014-2016 The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+INPUT=$(cat /dev/stdin)
 VALID=false
 REVSIG=false
-IFS=$'\n'
+IFS='
+'
 for LINE in $(echo "$INPUT" | gpg --trust-model always "$@" 2>/dev/null); do
 	case "$LINE" in
 	"[GNUPG:] VALIDSIG "*)

contrib/verify-commits/pre-push-hook.sh

@@ -1,4 +1,8 @@
 #!/bin/bash
+# Copyright (c) 2014-2015 The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
 if ! [[ "$2" =~ ^(git@)?(www.)?github.com(:|/)bitcoin/bitcoin(.git)?$ ]]; then
     exit 0
 fi

contrib/verify-commits/verify-commits.sh

@@ -1,18 +1,16 @@
 #!/bin/sh
+# Copyright (c) 2014-2016 The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+# Not technically POSIX-compliant due to use of "local", but almost every
+# shell anyone uses today supports it, so its probably fine
 
 DIR=$(dirname "$0")
-
-echo "Please verify all commits in the following list are not evil:"
-git log "$DIR"
+[ "/${DIR#/}" != "$DIR" ] && DIR=$(dirname "$(pwd)/$0")
 
 VERIFIED_ROOT=$(cat "${DIR}/trusted-git-root")
-
-IS_REVSIG_ALLOWED () {
-	while read LINE; do
-		[ "$LINE" = "$1" ] && return 0
-	done < "${DIR}/allow-revsig-commits"
-	return 1
-}
+REVSIG_ALLOWED=$(cat "${DIR}/allow-revsig-commits")
 
 HAVE_FAILED=false
 IS_SIGNED () {

contrib/verifybinaries/verify.sh

@@ -1,4 +1,7 @@
 #!/bin/bash
+# Copyright (c) 2016 The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 ###   This script attempts to download the signature file SHA256SUMS.asc from bitcoin.org
 ###   It first checks if the signature passes, and then downloads the files specified in

src/qt/res/movies/makespinner.sh

@@ -1,3 +1,7 @@
+# Copyright (c) 2014-2015 The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
 FRAMEDIR=$(dirname $0)
 for i in {0..35}
 do