From 0e2541de76c54f7f4a66f8d40b7443e8e6ca700c Mon Sep 17 00:00:00 2001
From: CaptainArk <captainark@captainark.net>
Date: Thu, 19 Apr 2018 23:38:17 +0200
Subject: [PATCH] first try at implementing delete from r2e when project
 unstarred

---
 README.md       |  6 ++----
 github2email.sh | 17 ++++++++++++++---
 2 files changed, 16 insertions(+), 7 deletions(-)

diff --git a/README.md b/README.md
index 37ea590..c591217 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,8 @@
 
 Github2eMail is a bash script that parses the GitHub API for projects you've starred and adds them to your rss2email configuration.
 
+The script will also delete projects it has added to your rss2email configuration if you're not starring them on GitHub anymore.
+
 ## Dependencies
 
 - [curl](https://github.com/curl/curl)
@@ -23,7 +25,3 @@ Run the script.
 You're done !
 
 You can also run the script periodically from cron if you want.
-
-## TODO
-
-Remove projects that were added by the script and are no longer starred by the user on GitHub from rss2email configuration.
diff --git a/github2email.sh b/github2email.sh
index 7ecccd8..81fea45 100755
--- a/github2email.sh
+++ b/github2email.sh
@@ -10,7 +10,7 @@ if [[ -z ${UserName} ]] || [[ $UserName == "changemeplease" ]]; then
 fi
 
 GitHubApi="https://api.github.com/users/${UserName}/starred"
-LastPage="$(curl -I ${GitHubApi} | grep -Eo 'page=[[:digit:]]+' | tail -n1)"
+LastPage="$(curl -sI ${GitHubApi} | grep -Eo 'page=[[:digit:]]+' | tail -n1)"
 TempFile=$(mktemp -t github2email.sh.XXXXXXXXXX)
 
 # Checking for dependencies
@@ -38,11 +38,22 @@ for Star in $(cat ${TempFile}); do
   # Only add a project to r2e config if it does not already exist
   IsDeclaredProject="$(r2e list | grep ${ProjectUrl})"
   if [[ -z ${IsDeclaredProject} ]]; then
-    r2e add ${ProjectName} ${ProjectUrl}
+    r2e add g2e_${ProjectName} ${ProjectUrl}
     # We only want to be informed of future releases
-    r2e run --no-send ${ProjectName}
+    r2e run --no-send g2e_${ProjectName}
   echo "Project ${ProjectName} has been added to rss2email configuration !"
   fi
 done
 
+# Delete projects that were added to rss2email by this script but are no longer starred on GitHub
+AddedProjects="$(r2e list | grep g2e_ | grep -Eo "https://github.com/.*/releases.atom")"
+for Projects in ${AddedProjects}; do
+  StillStaredProject="$(grep ${Projects} ${TempFile})"
+  if [[ -z $StillStaredProject ]]; then
+    ProjectToRemove=${StillStaredProject%,*}
+    r2e delete ${ProjectToRemove}
+    echo "Project ${ProjectName} has been removed from rss2email configuration !"
+  fi
+done
+
 [[ -f ${TempFile} ]] && rm ${TempFile}