git2r (version 0.10.1)

descendant_of: Descendant

Description

Determine if a commit is the descendant of another commit

Usage

descendant_of(commit, ancestor)
## S3 method for class 'git_commit,git_commit':
descendant_of(commit, ancestor)

Arguments

commit

a S4 class git_commit object.

ancestor

a S4 class git_commit object to check if ancestor to commit.

Value

• TRUE if commit is descendant of ancestor, else FALSE

Examples

## Create a directory in tempdir
path <- tempfile(pattern="git2r-")
dir.create(path)

## Initialize a repository
repo <- init(path)
config(repo, user.name="Alice", user.email="[e-mail]")

## Create a file, add and commit
writeLines("Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do",
           con = file.path(path, "test.txt"))
add(repo, "test.txt")
commit_1 <- commit(repo, "Commit message 1")

# Change file and commit
writeLines(c("Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do",
             "eiusmod tempor incididunt ut labore et dolore magna aliqua."),
             con = file.path(path, "test.txt"))
add(repo, "test.txt")
commit_2 <- commit(repo, "Commit message 2")

descendant_of(commit_1, commit_2)
descendant_of(commit_2, commit_1)