Add matrix_image_url

.config/zsh/completions/_matrix_image_url

@@ -0,0 +1,7 @@
+#compdef matrix_image_url
+
+_arguments '-h[short help text]' '*:url:_urls'
+
+# Local Variables:
+# mode: shell-script
+# End:

.config/zsh/functions/matrix_image_url

@@ -0,0 +1,21 @@
+#!/usr/bin/env zsh
+# Converts mxc:// URLs into https:// URLs
+
+setopt LOCAL_OPTIONS ERR_RETURN NO_UNSET PIPE_FAIL
+
+zmodload zsh/zutil
+local -a o_help=()
+zparseopts -D -K -- h=o_help
+if [[ ${#o_help} -ne 0 || ! -v 1 ]]; then
+    ret=$(( ${#o_help} ^ 1 ))
+    print -u $(( 1 + ${ret} )) "usage: ${0} [-h] <URL> …"
+    return ${ret}
+fi
+local -a urls=(${@})
+
+for url in ${urls}; do
+    local domain=${${url%/*}##*/}
+    local id=${url##*/}
+    print '\e[1;95m→\e[0m' \
+          "https://${domain}/_matrix/media/r0/download/${domain}/${id}"
+done