Improve email validation (#7)

Signed-off-by: Sergio Castaño Arteaga <[email protected]>

dco2/src/dco.rs

@@ -126,8 +126,8 @@ pub fn check(input: &CheckInput) -> Result<CheckOutput> {
         let mut commit_output = CommitCheckOutput::new(commit.clone());
 
         // Validate author and committer emails
-        if let Err(err) = validate_emails(commit) {
-            commit_output.errors.push(err);
+        if let Err(errs) = validate_emails(commit) {
+            commit_output.errors.extend(errs);
         }
 
         // Check if sign-off is present
@@ -155,22 +155,30 @@ pub fn check(input: &CheckInput) -> Result<CheckOutput> {
 }
 
 /// Validate author and committer emails.
-fn validate_emails(commit: &Commit) -> Result<(), CommitError> {
-    // Author
-    if let Some(author) = &commit.author {
-        if !EmailAddress::is_valid(&author.email) {
-            return Err(CommitError::InvalidAuthorEmail);
+fn validate_emails(commit: &Commit) -> Result<(), Vec<CommitError>> {
+    let mut errors = Vec::new();
+
+    // Committer
+    let committer_email = commit.committer.as_ref().map(|c| &c.email);
+    if let Some(committer_email) = committer_email {
+        if !EmailAddress::is_valid(committer_email) {
+            errors.push(CommitError::InvalidCommitterEmail);
         }
     }
 
-    // Committer
-    if let Some(committer) = &commit.committer {
-        if !EmailAddress::is_valid(&committer.email) {
-            return Err(CommitError::InvalidCommitterEmail);
+    // Author
+    let author_email = commit.author.as_ref().map(|a| &a.email);
+    if let Some(author_email) = author_email {
+        if Some(author_email) != committer_email && !EmailAddress::is_valid(author_email) {
+            errors.push(CommitError::InvalidAuthorEmail);
         }
     }
 
-    Ok(())
+    if errors.is_empty() {
+        Ok(())
+    } else {
+        Err(errors)
+    }
 }
 
 /// Get sign-offs found in the commit message.
@@ -201,11 +209,11 @@ fn signoffs_match(signoffs: &[SignOff], commit: &Commit) -> bool {
 /// Display some details about a processed commit.
 fn debug_processed_commit(commit_output: &CommitCheckOutput, signoffs: &[SignOff]) {
     debug!("commit processed: {}", commit_output.commit.sha);
+    debug!("errors found: {:?}", commit_output.errors);
     debug!("author: {:?}", commit_output.commit.author);
     debug!("committer: {:?}", commit_output.commit.committer);
-    debug!("sign-offs");
+    debug!("sign-offs:");
     for signoff in signoffs {
         debug!("sign-off: {:?}", signoff);
     }
-    debug!("commit has errors: {}", !commit_output.errors.is_empty());
 }

dco2/src/github.rs

@@ -93,6 +93,7 @@ impl GHClient for GHClientOctorust {
         let client = self.setup_client(ctx.inst_id)?;
         let conclusion = match check_run.conclusion.as_str() {
             "success" => octorust::types::ChecksCreateRequestConclusion::Success,
+            "failure" => octorust::types::ChecksCreateRequestConclusion::Failure,
             _ => bail!("invalid conclusion: {}", check_run.conclusion),
         };
         let status = match check_run.status.as_str() {
@@ -147,23 +148,16 @@ pub struct CheckRun {
 /// Commit information.
 #[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
 pub struct Commit {
-    pub author: Option<CommitAuthor>,
-    pub committer: Option<CommitCommitter>,
+    pub author: Option<GitUser>,
+    pub committer: Option<GitUser>,
     pub html_url: String,
     pub message: String,
     pub sha: String,
 }
 
-/// Commit author information.
+/// Git user information.
 #[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
-pub struct CommitAuthor {
-    pub name: String,
-    pub email: String,
-}
-
-/// Commit committer information.
-#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
-pub struct CommitCommitter {
+pub struct GitUser {
     pub name: String,
     pub email: String,
 }
@@ -172,11 +166,11 @@ impl From<octorust::types::CommitDataType> for Commit {
     /// Convert octorust commit data to Commit.
     fn from(c: octorust::types::CommitDataType) -> Self {
         Self {
-            author: c.commit.author.map(|author| CommitAuthor {
+            author: c.commit.author.map(|author| GitUser {
                 name: author.name,
                 email: author.email,
             }),
-            committer: c.commit.committer.map(|committer| CommitCommitter {
+            committer: c.commit.committer.map(|committer| GitUser {
                 name: committer.name,
                 email: committer.email,
             }),