future-me: add a hacky way to list all bug reports

=================================================================
new | Hello world
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
this is my first bug report
=================================================================
new | Hello second bug
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
This is the second bug
yey - looks nice

1 files changed, 56 insertions, 2 deletions

diff --git a/src/main.rs b/src/main.rs
index 7248942..a25a5f7 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -9,7 +9,7 @@ use std::{
 };
 use std::fs;
 
-#[derive(Serialize, Deserialize)]
+#[derive(Serialize, Deserialize, Debug)]
 struct BugReport {
     timestamp: String,
     status: String,
@@ -56,6 +56,60 @@ fn new_bug() {
     print!("{}", j);
 }
 
+fn show() {
+    let reports = get_reports();
+    for report in reports {
+        //println!("{:?}", report);
+        println!("=================================================================");
+        println!("{} | {}", report.status, report.title);
+        println!("+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++");
+        for l in report.description {
+            println!("{}", l);
+        }
+    }
+}
+
+fn get_reports() -> Vec<BugReport> {
+    let mut ret: Vec<BugReport> = Vec::new();
+    let output = Command::new("git")
+        .arg("ls-tree")
+        .arg("--full-tree")
+        .arg("-r")
+        .arg("refs/notes/devtools/future-me")
+        .output()
+        .expect("Error with git ls-tree");
+    //println!("{}", output.status);
+    if output.status.success() {
+        let lines = String::from_utf8_lossy(&output.stdout);
+        for line in lines.lines() {
+            if let Some(after_blob) = line.split_once("blob ") {
+                if let Some((hash, _)) = after_blob.1.split_once('\t') {
+                    let blob = Command::new("git")
+                        .arg("cat-file")
+                        .arg("-p")
+                        .arg(hash)
+                        .output()
+                        .expect("Error with git cat-file");
+                        if blob.status.success() {
+                            let lines = String::from_utf8_lossy(&blob.stdout);
+                            // TODO: error handling
+                            let bug_report: BugReport = serde_json::from_str(&lines).unwrap();
+                            ret.push(bug_report);
+                        }
+                        else {
+                            println!("{}", String::from_utf8_lossy(&blob.stderr));
+                        }
+                }
+            }
+        }
+    }
+    else {
+        println!("{}", String::from_utf8_lossy(&output.stderr));
+    }
+    ret
+}
+
 fn main() {
-    new_bug();
+    //new_bug();
+    show();
 }