credentials: The credentials for remote repository access. Default is NULL. To use and query an ssh-agent for the ssh key credentials, let this parameter be NULL (the default).
verbose: Print information each time a reference is updated locally. Default is TRUE.
refspec: The refs to fetch and which local refs to update, see examples. Pass NULL to use the remote.<repository>.fetch variable. Default is NULL.
proxy: Either NULL (the default) to disable proxy usage, TRUE for automatic proxy detection, or a character string with a proxy URL (for example, "http://proxy.example.org:3128").
Returns
invisible list of class git_transfer_progress
with statistics from the fetch operation:
total_objects: Number of objects in the packfile being downloaded
indexed_objects: Received objects that have been hashed
received_objects: Objects which have been downloaded
total_deltas: Total number of deltas in the pack
indexed_deltas: Deltas which have been indexed
local_objects: Locally-available objects that have been injected in order to fix a thin pack
received_bytes: Size of the packfile received up to now
Examples
## Not run:## Initialize three temporary repositoriespath_bare <- tempfile(pattern="git2r-")path_repo_1 <- tempfile(pattern="git2r-")path_repo_2 <- tempfile(pattern="git2r-")dir.create(path_bare)dir.create(path_repo_1)dir.create(path_repo_2)bare_repo <- init(path_bare, bare =TRUE)repo_1 <- clone(path_bare, path_repo_1)repo_2 <- clone(path_bare, path_repo_2)config(repo_1, user.name ="Alice", user.email ="alice@example.org")config(repo_2, user.name ="Bob", user.email ="bob@example.org")## Add changes to repo 1writeLines("Lorem ipsum dolor sit amet", con = file.path(path_repo_1,"example.txt"))add(repo_1,"example.txt")commit(repo_1,"Commit message")## Push changes from repo 1 to origin (bare_repo)push(repo_1,"origin","refs/heads/master")## Fetch changes from origin (bare_repo) to repo 2fetch(repo_2,"origin")## List updated headsfetch_heads(repo_2)## Checking out GitHub pull requests locallypath <- tempfile(pattern="ghit-")repo <- clone("https://github.com/leeper/ghit", path)fetch(repo,"origin", refspec ="pull/13/head:refs/heads/BRANCHNAME")checkout(repo,"BRANCHNAME")summary(repo)## End(Not run)