feat: add short git log graph to notifications

Closes kemitix/git-next#133

Cargo.lock

@@ -993,6 +993,7 @@ dependencies = [
  "secrecy",
  "serde",
  "serde_json",
+ "take-until",
  "test-log",
  "thiserror",
  "time",
@@ -3635,6 +3636,12 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "take-until"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8bdb6fa0dfa67b38c1e66b7041ba9dcf23b99d8121907cd31c807a332f7a0bbb"
+
 [[package]]
 name = "tempfile"
 version = "3.10.1"

Cargo.toml

@@ -84,6 +84,9 @@ anyhow = "1.0"
 thiserror = "1.0"
 pike = "0.1"
 
+# iters
+take-until = "0.2"
+
 # file watcher
 notify = "6.1"
 

crates/cli/README.md

@@ -297,7 +297,13 @@ Sample payload:
       "main": "main"
     },
     "forge_alias": "jo",
-    "repo_alias": "kxio"
+    "repo_alias": "kxio",
+    "log": [
+      "* 9bfce91 (origin/dev) fix: add log graph to notifications",
+      "| * c37bd2c (origin/next, origin/main) feat: add log graph to notifications",
+      "|/",
+      "* 8c19680 refactor: macros use a more common syntax"
+    ]
   },
   "timestamp": "1721760933",
   "type": "branch.dev.not-on-main"
@@ -318,11 +324,16 @@ Sample payload:
 {
   "data": {
     "commit": {
-      "sha": "98abef1af6825f9770d725a681e5cfc09d7fd4f2",
+      "sha": "c37bd2caf6825f9770d725a681e5cfc09d7fd4f2",
-      "message": "feat: add foo to bar template"
+      "message": "feat: add log graph to notifications (1 of 2)"
     },
     "forge_alias": "jo",
-    "repo_alias": "kxio"
+    "repo_alias": "kxio",
+    "log": [
+      "* 9bfce91 (origin/dev) feat: add log graph to notifications (2 of 2)",
+      "* c37bd2c (origin/next) feat: add log graph to notifications (1 of 2)",
+      "* 8c19680 (origin/main) refactor: macros use a more common syntax"
+    ]
   },
   "timestamp": "1721760933",
   "type": "cicheck.failed"

crates/cli/src/alerts/mod.rs

@@ -35,6 +35,7 @@ fn short_message(user_notification: &UserNotification) -> String {
             forge_alias,
             repo_alias,
             commit,
+            log: _,
         } => format!("CI Check Failed: {forge_alias}/{repo_alias}: {commit}"),
         UserNotification::RepoConfigLoadFailure {
             forge_alias,
@@ -53,6 +54,7 @@ fn short_message(user_notification: &UserNotification) -> String {
             main_branch: _,
             dev_commit: _,
             main_commit: _,
+            log: _,
         } => format!("Dev not based on Main: {forge_alias}/{repo_alias}"),
     };
     format!("[git-next] {tail}")
@@ -64,6 +66,7 @@ fn full_message(user_notification: &UserNotification) -> String {
             forge_alias,
             repo_alias,
             commit,
+            log,
         } => {
             let sha = commit.sha();
             let message = commit.message();
@@ -71,6 +74,8 @@ fn full_message(user_notification: &UserNotification) -> String {
                 "CI Checks had Failed".to_string(),
                 format!("Forge: {forge_alias}\nRepo : {repo_alias}"),
                 format!("Commit:\n - {sha}\n - {message}"),
+                "Log:".to_string(),
+                log.join("\n"),
             ]
             .join("\n\n")
         }
@@ -99,21 +104,16 @@ fn full_message(user_notification: &UserNotification) -> String {
             repo_alias,
             dev_branch,
             main_branch,
-            dev_commit,
+            dev_commit: _,
-            main_commit,
+            main_commit: _,
-        } => {
+            log,
-            let dev_sha = dev_commit.sha();
+        } => [
-            let dev_message = dev_commit.message();
+            format!("The branch '{dev_branch}' is not based on the branch '{main_branch}'."),
-            let main_sha = main_commit.sha();
+            format!("TODO: Rebase '{dev_branch}' onto '{main_branch}'."),
-            let main_message = main_commit.message();
+            format!("Forge: {forge_alias}\nRepo : {repo_alias}"),
-            [
+            "Log:".to_string(),
-                format!("The branch '{dev_branch}' is not based on the branch '{main_branch}'."),
+            log.join("\n"),
-                format!("TODO: Rebase '{dev_branch}' onto '{main_branch}'."),
+        ]
-                format!("Forge: {forge_alias}\nRepo : {repo_alias}"),
+        .join("\n\n"),
-                format!("{dev_branch}:\n - {dev_sha}\n - {dev_message}"),
-                format!("{main_branch}:\n - {main_sha}\n - {main_message}"),
-            ]
-            .join("\n\n")
-        }
     }
 }

crates/cli/src/repo/handlers/receive_ci_status.rs

@@ -1,7 +1,7 @@
 //
 use actix::prelude::*;
 
-use git_next_core::git::{forge::commit::Status, UserNotification};
+use git_next_core::git::{forge::commit::Status, graph, UserNotification};
 use tracing::debug;
 
 use crate::repo::{
@@ -40,6 +40,7 @@ impl Handler<ReceiveCIStatus> for RepoActor {
                         forge_alias,
                         repo_alias,
                         commit: next,
+                        log: graph::log(&self.repo_details),
                     },
                     log.as_ref(),
                 );

crates/cli/src/repo/notifications.rs

@@ -14,6 +14,7 @@ impl NotifyUser {
                 forge_alias,
                 repo_alias,
                 commit,
+                log,
             } => json!({
                 "type": "cicheck.failed",
                 "timestamp": timestamp,
@@ -23,7 +24,8 @@ impl NotifyUser {
                     "commit": {
                         "sha": commit.sha(),
                         "message": commit.message()
-                    }
+                    },
+                    "log": **log
                 }
             }),
             UserNotification::RepoConfigLoadFailure {
@@ -59,6 +61,7 @@ impl NotifyUser {
                 main_branch,
                 dev_commit,
                 main_commit,
+                log,
             } => json!({
                 "type": "branch.dev.not-on-main",
                 "timestamp": timestamp,
@@ -78,7 +81,8 @@ impl NotifyUser {
                             "sha": main_commit.sha(),
                             "message": main_commit.message()
                         }
-                    }
+                    },
+                    "log": **log
                 }
             }),
         }

crates/core/Cargo.toml

@@ -57,6 +57,9 @@ serde_json = { workspace = true }
 
 mockall = { workspace = true }
 
+#iters
+take-until = { workspace = true }
+
 [dev-dependencies]
 # Testing
 assert2 = { workspace = true }

crates/core/src/config/graphs.rs

@@ -0,0 +1,3 @@
+use crate::newtype;
+
+newtype!(LogGraph, Vec<String>, "Git log showing branch positions");

crates/core/src/config/mod.rs

@@ -7,6 +7,7 @@ mod forge_config;
 mod forge_details;
 mod forge_type;
 pub mod git_dir;
+mod graphs;
 mod host_name;
 mod registered_webhook;
 mod remote_url;

crates/core/src/git/graph.rs

@@ -0,0 +1,69 @@
+//
+
+use std::borrow::ToOwned;
+
+use take_until::TakeUntilExt;
+
+use crate::{newtype, GitDir, RepoBranches};
+
+use super::RepoDetails;
+
+newtype!(Log, Vec<String>, Default, Hash, "Git log of branches");
+
+// create a graph to log relative positions
+//
+// ANCESTOR=$(git merge-base --octopus origin/main origin/next origin/dev)
+// SHORT_ANCESTOR=$(echo $ANCESTOR | cut -b -7)
+fn ancesstor(gitdir: &GitDir, branches: &RepoBranches) -> Option<String> {
+    let result = std::process::Command::new("/usr/bin/git")
+        .current_dir(gitdir.to_path_buf())
+        .args([
+            "merge-base",
+            "--octopus",
+            format!("origin/{}", branches.main()).as_str(),
+            format!("origin/{}", branches.next()).as_str(),
+            format!("origin/{}", branches.dev()).as_str(),
+        ])
+        .output();
+    if let Ok(output) = result {
+        return String::from_utf8_lossy(output.stdout.as_slice())
+            .split('\n')
+            .take(1)
+            .map(|line| line.chars().take(7).collect::<String>())
+            .collect::<Vec<_>>()
+            .first()
+            .cloned();
+    }
+    None
+}
+
+// git log --oneline --graph --decorate origin/main origin/dev origin/next | awk "1;/$SHORT_ANCESTOR/{exit}"
+pub fn log(repo_details: &RepoDetails) -> Log {
+    if let Some(repo_config) = &repo_details.repo_config {
+        let branches = repo_config.branches();
+        let result = std::process::Command::new("/usr/bin/git")
+            .current_dir(repo_details.gitdir().to_path_buf())
+            .args([
+                "log",
+                "--oneline",
+                "--graph",
+                "--decorate",
+                format!("origin/{}", branches.main()).as_str(),
+                format!("origin/{}", branches.next()).as_str(),
+                format!("origin/{}", branches.dev()).as_str(),
+            ])
+            .output();
+        if let Ok(output) = result {
+            if let Some(ancestor) = ancesstor(repo_details.gitdir(), branches) {
+                return String::from_utf8_lossy(output.stdout.as_slice())
+                    .split('\n')
+                    .take_until(|line| line.contains(&ancestor))
+                    .map(str::trim)
+                    .map(ToOwned::to_owned)
+                    .collect::<Vec<_>>()
+                    .into();
+            }
+        }
+    }
+    Log::default()
+}

crates/core/src/git/mod.rs

@@ -6,6 +6,7 @@ pub mod forge;
 mod generation;
 mod git_ref;
 mod git_remote;
+pub mod graph;
 pub mod push;
 mod repo_details;
 pub mod repository;

crates/core/src/git/user_notification.rs

@@ -2,12 +2,15 @@
 use crate::{git::Commit, BranchName, ForgeAlias, RepoAlias};
 use serde_json::json;
 
+use super::graph::Log;
+
 #[derive(Clone, Debug, Hash, PartialEq, Eq)]
 pub enum UserNotification {
     CICheckFailed {
         forge_alias: ForgeAlias,
         repo_alias: RepoAlias,
         commit: Commit,
+        log: Log,
     },
     RepoConfigLoadFailure {
         forge_alias: ForgeAlias,
@@ -26,6 +29,7 @@ pub enum UserNotification {
         main_branch: BranchName,
         dev_commit: Commit,
         main_commit: Commit,
+        log: Log,
     },
 }
 impl UserNotification {
@@ -37,6 +41,7 @@ impl UserNotification {
                 forge_alias,
                 repo_alias,
                 commit,
+                log,
             } => json!({
                 "type": "cicheck.failed",
                 "timestamp": timestamp,
@@ -46,7 +51,8 @@ impl UserNotification {
                     "commit": {
                         "sha": commit.sha(),
                         "message": commit.message()
-                    }
+                    },
+                    "log": **log
                 }
             }),
             Self::RepoConfigLoadFailure {
@@ -59,7 +65,7 @@ impl UserNotification {
                 "data": {
                     "forge_alias": forge_alias,
                     "repo_alias": repo_alias,
-                    "reason": reason
+                    "reason": reason,
                 }
             }),
             Self::WebhookRegistration {
@@ -72,7 +78,7 @@ impl UserNotification {
                 "data": {
                     "forge_alias": forge_alias,
                     "repo_alias": repo_alias,
-                    "reason": reason
+                    "reason": reason,
                 }
             }),
             Self::DevNotBasedOnMain {
@@ -82,6 +88,7 @@ impl UserNotification {
                 main_branch,
                 dev_commit,
                 main_commit,
+                log,
             } => json!({
                 "type": "branch.dev.not-on-main",
                 "timestamp": timestamp,
@@ -101,7 +108,8 @@ impl UserNotification {
                             "sha": main_commit.sha(),
                             "message": main_commit.message()
                         }
-                    }
+                    },
+                    "log": **log
                 }
             }),
         }

crates/core/src/git/validation/positions.rs

@@ -1,6 +1,6 @@
 //
 use crate::{
-    git::{self, repository::open::OpenRepositoryLike, RepoDetails, UserNotification},
+    git::{self, graph::log, repository::open::OpenRepositoryLike, RepoDetails, UserNotification},
     BranchName, RepoConfig,
 };
 
@@ -61,6 +61,7 @@ pub fn validate(
                 main_branch,
                 dev_commit: dev,
                 main_commit: main,
+                log: log(repo_details),
             },
         ));
     }