Add usage() for git-send-xmpp and header for git-send-paste

Signed-off-by: Aoi K <koizumi.aoi@kyoko-project.wer.ee>

git-send-paste

@@ -1,4 +1,8 @@
 #!/bin/sh
+# $KyokoNet: git-send-paste, v 0.1.0 2022/11/11 22:20:00 akoizumi Exp $
+#
+# Send git patches to a pastebin endpoint using nc(1)
+# https://git.kyoko-project.wer.ee/koizumi.aoi/git-crap
 
 usage() {
     printf "Usage: %s --diff=<diff> --paste=<paste>\n" "${0##/*}"

git-send-xmpp

@@ -4,6 +4,13 @@
 # Send git patches over the XMPP protocol
 # https://git.kyoko-project.wer.ee/koizumi.aoi/git-crap
 
+usage() {
+    cat <<EOF
+Usage
+git-send-xmpp --diff=<patch file> --pass=<password> --user=<user> --target=<target>
+EOF
+}
+
 for arg; do
     case $arg in
 	-h) usage ;;