| 1 | #!/usr/bin/env bash |
| 2 | # Desc: Wrapper for ots-git-gpg-wrapper |
| 3 | # Note: Required because git's gpg.program option doesn't allow you to set |
| 4 | # command line options. |
| 5 | # Usage: git -c gpg.program=<path to ots-git-gpg-wrapper.sh> commit -S |
| 6 | # Input: file: $HOME/.local/share/ots/jsonrpc_url.txt # first line is JSON RPC |
| 7 | # url for local bitcoin node containing login credentials. Example: |
| 8 | # http://user:35z8deadbeefhrdeadbeef5rk3@192.168.86.1:8332/ |
| 9 | # Depends: ots 0.7.0 (see https://github.com/opentimestamps/opentimestamps-client ) |
| 10 | # Version: 0.0.6 |
| 11 | # Ref/Attrib: [1] “How can I test if a particular alias is defined?”. https://unix.stackexchange.com/a/288513 |
| 12 | # [2] “OpenTimestamps Git Integration”. (2016-10-13). https://github.com/opentimestamps/opentimestamps-client/blob/master/doc/git-integration.md |
| 13 | |
| 14 | declare -a args calendars |
| 15 | |
| 16 | # Specify default calendars |
| 17 | calendars+=("https://finney.calendar.eternitywall.com"); |
| 18 | calendars+=("https://btc.calendar.catallaxy.com"); |
| 19 | calendars+=("https://alice.btc.calendar.opentimestamps.org"); |
| 20 | calendars+=("https://bob.btc.calendar.opentimestamps.org"); |
| 21 | |
| 22 | # Check if gpg is alias. See [1]. |
| 23 | if alias gpg 2>/dev/null; then |
| 24 | ## Get gpg alias command |
| 25 | gpg_cmd="$(type gpg)"; # get raw alias definition |
| 26 | gpg_cmd="${gpg_cmd#*=\'}"; # trim chars before and including first apostrophe |
| 27 | gpg_cmd="${gpg_cmd%\'*}"; # trim chars after and including last apostrophe |
| 28 | else |
| 29 | gpg_cmd="$(which gpg)"; |
| 30 | fi; |
| 31 | |
| 32 | # Assemble args array |
| 33 | ## Specify bitcoin node jsonrpc url if available |
| 34 | path_jsonrpc_url="$HOME/.local/share/ots/jsonrpc_url.txt"; |
| 35 | if [[ -f "$path_jsonrpc_url" ]]; then |
| 36 | jsonrpc_url="$(head -n1 "$path_jsonrpc_url")"; |
| 37 | args+=("--bitcoin-node"); |
| 38 | args+=("$jsonrpc_url"); |
| 39 | fi; |
| 40 | |
| 41 | ## Pick random calendar |
| 42 | ### Get calendars array size |
| 43 | cal_size="${#calendars[@]}"; |
| 44 | cal_rnd_idx="$(shuf -i 1-"$cal_size" -n 1)"; |
| 45 | cal_rnd_idx="$((cal_rnd_idx - 1))"; # bash array is zero-indexed |
| 46 | url_cal_random="${calendars[$cal_rnd_idx]}"; |
| 47 | args+=("--no-default-whitelist"); |
| 48 | args+=("--whitelist"); |
| 49 | args+=("$url_cal_random"); |
| 50 | |
| 51 | ## Specify '--gpg-program' option |
| 52 | args+=("--gpg-program"); |
| 53 | args+=("$gpg_cmd"); |
| 54 | |
| 55 | ## Passthrough positional parameters |
| 56 | args+=("--"); # mark end of ots-git-wrapper options |
| 57 | for param in "$@"; do |
| 58 | args+=("$param"); |
| 59 | done; |
| 60 | |
| 61 | # Run command with args |
| 62 | # pseudocode: ots-git-gpg-wrapper $jsonrpc_option $calendar_option --gpg-program $gpg_cmd -- "$@" |
| 63 | ots-git-gpg-wrapper "${args[@]}"; |