From b7ce476f3eb425754427445901ff813925fffdd8 Mon Sep 17 00:00:00 2001
From: typebrook <typebrook@gmail.com>
Date: Wed, 22 Jan 2020 15:42:58 +0800
Subject: update

---
 gist | 96 +++++++++++++++++++++++++++++++++++++++++++++++++++-----------------
 1 file changed, 73 insertions(+), 23 deletions(-)

diff --git a/gist b/gist
index ad08016..da30e4b 100755
--- a/gist
+++ b/gist
@@ -14,7 +14,7 @@
 # gist (update | u) [star | s] 
 # 
 # * list your gists with format: [number] [url] [file_num] [comment_num] [short description]
-# gist  
+# gist [star | s]
 # 
 # * clone gist repos which are not in local
 # * pull master branch if a local repo is behind its remote
@@ -48,31 +48,52 @@
 # * show this help message
 # gist (help | h)
 
-# define your environmemnts here
-# TODO support auth prompt, remove personal info here
+# TODO pipe syntax fix
 # TODO error handling, unit test
 # TODO parallel branch works with json parsing on python
 # TODO parallel branch works with wget and other stuff
-# completion
-#-------------------
-github_api_token=$(cat $SETTING_DIR/tokens/github)
-user=typebrook
-folder=~/git/gist
-#-------------------
+# TODO completion
+
+# Validate settings.
+config=~/.config/gistrc
+[ "$TRACE" ] && set -x
+
+# TODO error handling while password is not true
+_auth() {
+    data="{\"scopes\":[\"gist\"], \"note\": \"gist-$(date -u +'%Y-%m-%dT%H:%M:%SZ')\"}"
+    read -p "Github username: " user
+    read -sp "Github password: " password
+    mkdir -p ~/.config && umask 0077 && echo user=$user > $config
+
+    curl https://api.github.com/authorizations \
+        --user "$user:$password" \
+        --data "$data" > /dev/null
+
+    read -p "2-factor code: " OTP
+    curl https://api.github.com/authorizations \
+        --user "$user:$password" -H "X-GitHub-OTP: $OTP" \
+        --data "$data" |\
+    sed '1 s/[^{]//g' | jq -r .token |\
+    sed 's/^/token=/' >> $config
+}
+
+while ! source $config; do
+    _auth
+done
 
 github_api=https://api.github.com
-auth_header="Authorization: token $github_api_token"
+auth_header="Authorization: token $token"
+
+[[ -z "$folder" ]] && folder=~/git/gist
 mkdir -p $folder
 index=$folder/index
 starred=$folder/starred
 
-# Validate settings.
-[ "$TRACE" ] && set -x
-
 # Show the list of gist, but not updated time
+# TODO a way to show files
 # TODO show git status outdated
 _show_list() {
-    if [[ ! -e $1 ]]; then 
+    if [[ ! -e "$1" ]]; then 
         echo No local file found for last update
         echo Please run command: 
         echo "    gist update"
@@ -106,7 +127,7 @@ _update() {
     curl -s -H "$auth_header" $github_api/$route |\
     _parse_response | nl -s' ' | sed -E "s/^ */$mark/" > $list_file && \
     _show_list $list_file
-    (_sync_repos $1 > /dev/null 2>&1 &)
+    if [[ $auto_sync != "false" ]]; then (_sync_repos $1 > /dev/null 2>&1 &); fi
 }
 
 # TODO check if a user create a very first gist
@@ -144,7 +165,7 @@ _sync_repos() {
 
 _gist_id() {
     GIST_ID=$(cat $index $starred | sed -n "/^$1 / p" | cut -d' ' -f2 | sed -E 's#.*/##')
-    if [[ -z $GIST_ID ]]; then
+    if [[ -z "$GIST_ID" ]]; then
         echo -e "Not a valid index: \e[31m$1\e[0m"
         echo Use the index number in the first column instead:
         echo
@@ -153,7 +174,7 @@ _gist_id() {
     fi
 }
 
-# FIXME error handling
+# FIXME error handling, if repo not cloned yet
 _goto_gist() {
     _gist_id $1
     echo This gist is at $folder/$GIST_ID
@@ -192,7 +213,7 @@ _show_detail() {
 }
 
 _set_gist() {
-    while [[ "$1" =~ ^- && ! "$1" == "--" ]]; do case $1 in
+    while [[ "$1" =~ ^- && "$1" != "--" ]]; do case $1 in
         -d | --desc)
           description="$2"
           shift; shift;;
@@ -202,7 +223,7 @@ _set_gist() {
       esac
     done
     if [[ "$1" == '--' ]]; then shift; fi
-    files=$@
+    files="$@" && echo $files | xargs ls > /dev/null || exit 1
 }
 
 _new_file() {
@@ -216,11 +237,11 @@ _new_file() {
 }
 
 # create a new gist with files
-# FIXME error handling if gist is not created
+# FIXME error handling if gist is not created, file doesn't exist
 _create_gist() {
     _set_gist "$@"
-    [[ -z $files ]] && files=$(_new_file $filename)
-    [[ -z $description ]] && echo -n 'Type description: ' && read description
+    [[ -z "$files" ]] && files=$(_new_file $filename)
+    [[ -z "$description" ]] && echo -n 'Type description: ' && read description
 
     for file in $files; do
         FILE=$(basename $file)
@@ -254,6 +275,31 @@ _help_message() {
     sed -E -n ' /^$/ q; 8,$ s/^#//p' $0
 }
 
+_cases() {
+    if [[ $1 == 'token' ]]; then
+        [[ ${#2} -eq 40 ]] && echo token=$2 ||\
+        echo Invalid token format, it is not 40 chars '\n' > /dev/tty
+    elif [[ $1 == 'auto_sync' ]]; then
+        [[ $2 == 'false' ]] && echo $1=$2 ||\
+        echo $1=true
+    elif [[ $1 == 'folder' ]]; then
+        [[ -n "$2" ]] && echo $1=$2 ||\
+        echo $1=~/gist
+    elif [[ $1 == 'user' ]]; then
+        echo $1=$2
+    fi
+}
+
+# TODO consider the case that $2 is empty -> remove original setting
+_configure() {
+    [[ -z "$@" ]] && (vim $config) && exit 0
+    target=$(_cases "$@")
+
+    [[ "$target" =~ [^=]$ ]] && sed -i "/^$1=/ d" $config && echo $target >> $config
+    cat $config
+}
+
+
 case "$1" in
   "")
     _show_list $index ;;
@@ -269,12 +315,16 @@ case "$1" in
   sync | S)
     _sync_repos ;;
   detail | d)
-    _show_detail "$2" ;;
+    shift
+    _show_detail "$@" ;;
   delete | D)
     shift
     _delete_gist "$@" ;;
   clean | C)
     _clean_repos ;;
+  config | c)
+    shift
+    _configure "$@" ;;
   help | h)
     _help_message ;;
   *)
-- 
cgit v1.2.3-70-g09d2