bin: Add 'fetch-email'

This is a glorified bash one-liner for fetching my email by syncing each
channel via GNU parallel. This speeds up a bit from the usual 'mbsync
-a', even if it's not a miracle.

Signed-off-by: Miquel Sabaté Solà <mssola@mssola.com>

1 files changed, 27 insertions, 0 deletions

diff --git a/bin/fetch-email b/bin/fetch-email
new file mode 100755
index 0000000..f7ac944
--- /dev/null
+++ b/bin/fetch-email
@@ -0,0 +1,27 @@
+#!/usr/bin/env bash
+# Copyright (C) 2025-Ω Miquel Sabaté Solà <mssola@mssola.com>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+if ! command -v parallel &> /dev/null; then
+   echo "fetch-email (error): you need 'parallel' installed."
+   exit 1
+fi
+
+if ! command -v mbsync &> /dev/null; then
+   echo "fetch-email (error): you need 'mbsync' installed."
+   exit 1
+fi
+
+grep '^Channel' ~/.mbsyncrc | awk '{ print $2; }' | sort | uniq | parallel -j12 mbsync {}
\ No newline at end of file