R: Show the summary of a diff

summary,git_diff-method {git2r} | R Documentation

## Show the summary of a diff

### Description

Show the summary of a diff

### Usage

    ## S4 method for signature 'git_diff'
    summary(object, ...)

### Arguments

`object` | The diff `object`.
`...` | Additional arguments affecting the summary produced.

### Value

None (invisible 'NULL').

### Examples

    ## Not run:
    ## Initialize a repository
    path <- tempfile(pattern="git2r-")
    dir.create(path)
    repo <- init(path)

    ## Config user
    config(repo, user.name="Alice", user.email="alice@example.org")

    ## Create a file, add, commit
    writeLines("Hello world!", file.path(path, "test.txt"))
    add(repo, "test.txt")
    commit(repo, "Commit message")

    ## Change the file
    writeLines(c("Hello again!", "Here is a second line", "And a third"),
               file.path(path, "test.txt"))

    ## diff between index and workdir
    diff_1 <- diff(repo)
    summary(diff_1)

    ## Diff between index and HEAD is empty
    diff_2 <- diff(repo, index=TRUE)
    summary(diff_2)

    ## Diff between tree and working dir, same as diff_1
    diff_3 <- diff(tree(commits(repo)[[1]]))
    summary(diff_3)

    ## Add changes, diff between index and HEAD is the same as diff_1
    add(repo, "test.txt")
    diff_4 <- diff(repo, index=TRUE)
    summary(diff_4)

    ## Diff between tree and index
    diff_5 <- diff(tree(commits(repo)[[1]]), index=TRUE)
    summary(diff_5)

    ## Diff between two trees
    commit(repo, "Second commit")
    tree_1 <- tree(commits(repo)[[2]])
    tree_2 <- tree(commits(repo)[[1]])
    diff_6 <- diff(tree_1, tree_2)
    summary(diff_6)

    ## Binary files
    set.seed(42)
    writeBin(as.raw((sample(0:255, 1000, replace=TRUE))),
             con=file.path(path, "test.bin"))
    add(repo, "test.bin")
    diff_7 <- diff(repo, index=TRUE)
    summary(diff_7)

    ## End(Not run)

[Package git2r version 0.21.0 Index]