lookup {git2r} | R Documentation |
Lookup one object in a repository.
lookup(repo = ".", sha = NULL)
repo |
a path to a repository or a |
sha |
The identity of the object to lookup. Must be 4 to 40 characters long. |
a git_blob
or git_commit
or git_tag
or git_tree
object
## Not run: ## Initialize a temporary repository path <- tempfile(pattern="git2r-") dir.create(path) repo <- init(path) ## Create a user and commit a file config(repo, user.name="Alice", user.email="alice@example.org") writeLines("Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do", file.path(path, "example.txt")) add(repo, "example.txt") commit_1 <- commit(repo, "First commit message") ## Create tag tag(repo, "Tagname", "Tag message") ## First, get SHAs to lookup in the repository sha_commit <- commit_1@sha sha_tree <- tree(commit_1)@sha sha_blob <- tree(commit_1)["example.txt"]$sha sha_tag <- tags(repo)[[1]]@sha ## SHAs sha_commit sha_tree sha_blob sha_tag ## Lookup objects lookup(repo, sha_commit) lookup(repo, sha_tree) lookup(repo, sha_blob) lookup(repo, sha_tag) ## Lookup objects, using only the first seven characters lookup(repo, substr(sha_commit, 1, 7)) lookup(repo, substr(sha_tree, 1, 7)) lookup(repo, substr(sha_blob, 1, 7)) lookup(repo, substr(sha_tag, 1, 7)) ## End(Not run)