Function git_repository::reference::log::message

source · 
pub fn message(operation: &str, message: &BStr, num_parents: usize) -> BString
Expand description

Generate a message typical for git commit logs based on the given operation, commit message and num_parents of the commit.

Examples found in repository?
src/repository/object.rs (line 155)
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173

    pub fn commit_as<'a, 'c, Name, E>(
        &self,
        committer: impl Into<git_actor::SignatureRef<'c>>,
        author: impl Into<git_actor::SignatureRef<'a>>,
        reference: Name,
        message: impl AsRef<str>,
        tree: impl Into<ObjectId>,
        parents: impl IntoIterator<Item = impl Into<ObjectId>>,
    ) -> Result<Id<'_>, commit::Error>
    where
        Name: TryInto<FullName, Error = E>,
        commit::Error: From<E>,
    {
        use git_ref::{
            transaction::{Change, RefEdit},
            Target,
        };

        // TODO: possibly use CommitRef to save a few allocations (but will have to allocate for object ids anyway.
        //       This can be made vastly more efficient though if we wanted to, so we lie in the API
        let reference = reference.try_into()?;
        let commit = git_object::Commit {
            message: message.as_ref().into(),
            tree: tree.into(),
            author: author.into().to_owned(),
            committer: committer.into().to_owned(),
            encoding: None,
            parents: parents.into_iter().map(|id| id.into()).collect(),
            extra_headers: Default::default(),
        };

        let commit_id = self.write_object(&commit)?;
        self.edit_reference(RefEdit {
            change: Change::Update {
                log: LogChange {
                    mode: RefLog::AndReference,
                    force_create_reflog: false,
                    message: crate::reference::log::message("commit", commit.message.as_ref(), commit.parents.len()),
                },
                expected: match commit.parents.first().map(|p| Target::Peeled(*p)) {
                    Some(previous) => {
                        if reference.as_bstr() == "HEAD" {
                            PreviousValue::MustExistAndMatch(previous)
                        } else {
                            PreviousValue::ExistingMustMatch(previous)
                        }
                    }
                    None => PreviousValue::MustNotExist,
                },
                new: Target::Peeled(commit_id.inner),
            },
            name: reference,
            deref: true,
        })?;
        Ok(commit_id)
    }