install.fairie/home/.chezmoiscripts/universal/run_before_01-decrypt-age-key.tmpl
2023-01-31 06:08:00 +00:00

39 lines
1.7 KiB
Bash

#!/usr/bin/env bash
{{ includeTemplate "universal/logg-before" }}
{{ includeTemplate "universal/profile-before" }}
### Install Age via Homebrew if not present
if ! command -v age > /dev/null; then
if command -v brew > /dev/null; then
logg info 'Running `brew install age`'
brew install age
else
logg warn '`age` is not installed which is utilized in the decryption process'
fi
fi
### Decrypt private key if it is not already present
if command -v age > /dev/null; then
if [ ! -f "${XDG_CONFIG_HOME}/age/chezmoi.txt" ]; then
mkdir -p "${XDG_CONFIG_HOME}/age"
logg star '`PRESS ENTER` if you have not set up your encryption token yet'
age --decrypt --output "${XDG_CONFIG_HOME}/age/chezmoi.txt" "{{ .chezmoi.sourceDir }}/key.txt.age" || EXIT_CODE=$?
if [ -n "$EXIT_CODE" ]; then
logg info 'Proceeding without decrypting age encryption key stored at `~/.local/share/chezmoi/home/key.txt.age`'
logg info 'To have Chezmoi handle your encryption (so you can store your private files publicly) take a look at https://shorturl.at/jkpzG'
logg info 'Removing all files that begin with encrypted_ because decryption failed'
find "$HOME/.local/share/chezmoi" -type f -name "encrypted_*" | while read ENCRYPTED_FILE; do
logg info "Removing $ENCRYPTED_FILE"
rm -f "$ENCRYPTED_FILE"
done
fi
fi
fi
### Ensure proper permissions on private key
if [ -f "${XDG_CONFIG_HOME}/age/chezmoi.txt" ]; then
logg info 'Ensuring proper permissions on Chezmoi / age decryption key'
logg info 'Chezmoi / age decryption key is stored in '"${XDG_CONFIG_HOME}/age/chezmoi.txt"
chmod 600 "${XDG_CONFIG_HOME}/age/chezmoi.txt"
fi