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#!/usr/bin/env bash
# Craig Jennings <c@cjennings.net>
# Typically run on a fresh installation on a new machine.
# - Installs or decrypts mail password files into ~/.config/
# - Validates all email components of my Emacs email setup are in place
# - Validates local email directories exist; creates them if they don't exist
# - Performs initial email sync to local directories
# - Performs initial email indexing for all email accounts
set -euo pipefail
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
EMACS_DIR="$(dirname "$SCRIPT_DIR")"
ENCRYPTED_PASSWORDS_DIR="$EMACS_DIR/assets/mail-passwords"
PASSWORD_DEST_DIR="$HOME/.config"
MBSYNC="$(command -v mbsync || true)"
MU="$(command -v mu || true)"
MU4EDIR="/usr/share/emacs/site-lisp/mu4e"
MSMTP="$(command -v msmtp || true)"
MBSYNCRC="$HOME/.mbsyncrc"
MSMTPRC="$HOME/.msmtprc"
MAILROOT="$HOME/.mail"
GMAILDIR="$MAILROOT/gmail"
CMAILDIR="$MAILROOT/cmail"
DMAILDIR="$MAILROOT/dmail"
install_encrypted_password() {
local filename="$1"
local source_file="$ENCRYPTED_PASSWORDS_DIR/$filename"
local dest_file="$PASSWORD_DEST_DIR/$filename"
if [[ -f "$dest_file" ]]; then
echo " ✓ $dest_file already exists, skipping"
return
fi
if [[ ! -f "$source_file" ]]; then
echo " ✗ missing $dest_file and $source_file"
exit 1
fi
echo " → installing $filename..."
cp "$source_file" "$dest_file"
chmod 600 "$dest_file"
echo " ✓ created $dest_file"
}
decrypt_password() {
local encrypted_filename="$1"
local dest_filename="$2"
local source_file="$ENCRYPTED_PASSWORDS_DIR/$encrypted_filename"
local dest_file="$PASSWORD_DEST_DIR/$dest_filename"
if [[ -f "$dest_file" ]]; then
echo " ✓ $dest_file already exists, skipping"
return
fi
if [[ ! -f "$source_file" ]]; then
echo " ✗ missing $dest_file and $source_file"
exit 1
fi
echo " → decrypting $encrypted_filename..."
if gpg -q -d "$source_file" > "$dest_file" 2>/dev/null; then
chmod 600 "$dest_file"
echo " ✓ created $dest_file"
else
echo " ✗ failed to decrypt $encrypted_filename"
rm -f "$dest_file"
exit 1
fi
}
main() {
# Decrypt Mail Passwords
# Skip if destination already exists, install or decrypt if missing.
echo "→ checking mail passwords..."
if [[ ! -d "$ENCRYPTED_PASSWORDS_DIR" ]]; then
echo " ✗ encrypted passwords directory not found: $ENCRYPTED_PASSWORDS_DIR"
exit 1
fi
mkdir -p "$PASSWORD_DEST_DIR"
install_encrypted_password ".gmailpass.gpg"
decrypt_password ".cmailpass.gpg" ".cmailpass"
install_encrypted_password ".dmailpass.gpg"
# Check All Prerequisites
[[ -x "$MBSYNC" ]] || { echo "ERROR: mbsync not found. Install 'isync'."; exit 1; }
[[ -x "$MU" ]] || { echo "ERROR: mu not found. Install 'mu'."; exit 1; }
[[ -d "$MU4EDIR" ]] || { echo "ERROR: mu4e elisp not found at $MU4EDIR. Install 'mu'."; exit 1; }
[[ -f "$MBSYNCRC" ]] || { echo "ERROR: '~/.mbsyncrc' missing."; exit 1; }
[[ -x "$MSMTP" ]] || { echo "ERROR: msmtp not found. Install 'msmtp'."; exit 1; }
[[ -f "$MSMTPRC" ]] || { echo "ERROR: '~/.msmtprc' missing."; exit 1; }
# Ensure Mail Dirs Exist
mkdir -p "$GMAILDIR" "$CMAILDIR" "$DMAILDIR"
# Initial Sync
echo "→ syncing all mail with mbsync ..."
"$MBSYNC" -aV
# Init MU and Index Email
echo "→ initializing mu ..."
"$MU" init --maildir="$MAILROOT" \
--my-address="craigmartinjennings@gmail.com" \
--my-address="c@cjennings.net" \
--my-address="craig.jennings@deepsat.com"
echo "→ indexing mail ..."
"$MU" index
echo "✅ Mail setup complete."
}
# Run the setup when executed directly. Sourcing this file (for example from
# a bats test) just defines the helper functions above.
if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
main "$@"
fi
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