From b1ba5845badf809bae285deaeba88f91c9ee9c4c Mon Sep 17 00:00:00 2001
From: Hsieh Chin Fan <typebrook@gmail.com>
Date: Thu, 26 Dec 2019 14:49:39 +0800
Subject:

---
 gist | 156 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 156 insertions(+)
 create mode 100644 gist

diff --git a/gist b/gist
new file mode 100644
index 0000000..aac4ea3
--- /dev/null
+++ b/gist
@@ -0,0 +1,156 @@
+#!/usr/bin/env bash
+#
+# Author: Hsieh Chin Fan
+# License: MIT
+# https://gist.github.com/typebrook/
+#
+#
+# This script host your gists as local Github repo
+# Use the following commands to manage your gists
+# 
+# * update your gists list with Github API
+# gist [update | u] 
+# 
+# * list your gists with format: [number] [url] [file_num] [comment_num] [short description]
+# gist  
+#
+# * Go to local gist repo
+# gist <number_of_gist_in_list> 
+#
+# * create a new gist with a file and description
+# gist [create | c] <filename> "<description>"
+#
+# * show the detail of a gist
+# gist [detail | d] <number_of_gist_in_list>
+#
+# * edit a gist description
+# gist [edit | e] <number_of_gist_in_list>
+#
+# * delete a gist
+# gist [delete | D] <number_of_gist_in_list>
+#
+# * clean removed gists in local
+# gist [clean | C]
+
+# define your environmemnts here
+#-------------------
+github_api_token=$(cat $SETTING_DIR/tokens/github)
+user=typebrook
+folder=~/git/gist
+#-------------------
+
+github_api=https://api.github.com
+auth_header="Authorization: token $github_api_token"
+mkdir -p $folder
+index=$folder/index
+
+# get the list of gists
+_update() {
+    curl -s -H "$auth_header" $github_api/users/$user/gists |\
+    tee keep |\
+    jq '.[] | "\( .html_url ) \(.files | keys | length) \(.comments) \( .description )"' |\
+    tr -d '"' | tac | nl |\
+    while read line_num link file_num comment_num description; do
+        echo $line_num $link $file_num $comment_num $(echo $description | cut -c -70)
+    done | tee $index
+}
+
+# clone repos which are not in the local
+# TODO pull if repo is outdated
+_sync_repos() {
+    comm -13 <(find $folder -maxdepth 1 -type d | sed '1d; s#.*/##' | sort) \
+             <(cat $index | cut -d' ' -f2 | sed 's#.*/##' | sort) |\
+    xargs -I{} git clone git@github.com:{}.git $folder/{}
+}
+
+_goto_gist() {
+    gist_num=$(wc -l $index | cut -d' ' -f1)
+    if [[ ! "$1" =~ [0-9]+ ]] || (( $1 > $gist_num )); then
+        echo Not a valid gist number: $1
+        echo Use the number in the first column instead:
+        echo
+        cat $index
+        return 0
+    fi
+
+    GIST_ID=$(cat $index | sed -n "$1"p | cut -d' ' -f2 | sed -r 's#.*/##')
+    echo This gist is at $folder/$GIST_ID
+    cd $folder/$GIST_ID && tig --all 2> /dev/null
+}
+
+_delete_gist() {
+    GIST_ID=$(cat $index | sed -n "$1"p | cut -d' ' -f2 | sed -r 's#.*/##')
+    curl -X DELETE -s -H "$auth_header" $github_api/gists/$GIST_ID && \
+    _update
+}
+
+# remove repos which are not in user gists anymore
+_clean_repos() {
+    comm -23 <(find $folder -maxdepth 1 -type d | sed '1d; s#.*/##' | sort) \
+             <(cat $index | cut -d' ' -f2 | sed 's#.*/##' | sort) |\
+    xargs -I{} rm -rf $folder/{}
+}
+
+_show_detail() {
+    GIST_ID=$(cat $index | sed -n "$1"p | cut -d' ' -f2 | sed -r 's#.*/##')
+    curl -s -H "$auth_header" $github_api/gists/$GIST_ID |\
+    jq '{site: .html_url, API: .url, created_at: .created_at, updated_at: .updated_at, files: (.files | keys)}'
+
+    curl -s -H "$auth_header" $github_api/gists/$GIST_ID/comments |\
+    jq '.[] | {user: .user.login, created_at: .created_at, updated_at: .updated_at, body: .body}'
+}
+
+# create a new gist with a file and description
+# TODO support folder of files
+_create_gist() {
+    FILE=$(basename $1)
+
+    jq --arg FILE "$FILE" --arg DESC "$2" '. as $content | {
+        public: true, 
+        files: {
+            ($FILE): {content: $content}
+        },
+        description: ($DESC)
+    }' -R -s $1 |\
+    curl -s -H "$auth_header" --data @- $github_api/gists > /dev/null && \
+    _update
+}
+
+# update description of a gist
+_edit_gist() {
+    GIST_ID=$(cat $index | sed -n "$1"p | cut -d' ' -f2 | sed -r 's#.*/##')
+
+    jq -n --arg DESC "$2" '{ description: ($DESC) }' |\
+    curl -X PATCH -H "$auth_header" --data @- $github_api/gists/$GIST_ID > /dev/null && \
+    _update
+}
+
+case "$1" in
+  "")
+    cat $index
+    ;;
+  create | c)
+    _create_gist "$2" "$3"
+    ;;
+  edit | e)
+    _edit_gist "$2" "$3"
+    ;;
+  update | u)
+    _update
+    ;;
+  sync | s)
+    _sync_repos
+    ;;
+  detail | d)
+    _show_detail "$2"
+    ;;
+  delete | D)
+    _delete_gist "$2"
+    ;;
+  clean | C)
+    _clean_repos
+    ;;
+  *)
+    _goto_gist "$1"
+    ;;
+esac
-- 
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