What do the numbers in the line mean in output of diff?

They are line-numbers for the old/new files to help the patch (or similar) program decode the unified-diff. the number before the comma is the line number for the beginning of the chunk.

What do the numbers in a git diff mean?

Note the difference in from numbers (-75 vs +103), this means that there were other changes in this file before this particular hunk, that added 28 (103 – 75) lines of code. A deletion looks like this: @@ -75,7 +75,6 @@ foo bar baz -line1 more context and more and still context.

What is a git diff?

git diff is a multi-use Git command that when executed runs a diff function on Git data sources. These data sources can be commits, branches, files and more. The git diff command is often used along with git status and git log to analyze the current state of a Git repo.

What is hunk header?

The hunk header line contains the first line of the current method ( static void Main(string[] args) ), which is great. However it doesn’t seem to be very reliable…

How do I get git diff?

The git diff command is a widely used tool to track the changes. The git diff command allows us to compare different versions of branches and repository. To get the difference between branches, run the git diff command as follows: $ git diff < branch 2>

What does M mean in git diff?

carriage return
1 Answer. 1. 71. ^M represents carriage return. This diff means something removed a Unicode BOM from the beginning of the line and added a CR at the end.

What does the git diff command do?

The git diff command shows the differences between the files in two commits or between your current repository and a previous commit. This command displays changes denotes by headers and metadata for the files that have changed.

What is a diff hunk?

When comparing two files, diff finds sequences of lines common to both files, interspersed with groups of differing lines called hunks. Comparing two identical files yields one sequence of common lines and no hunks, because no lines differ. In general, there are many ways to match up lines between two given files.

What is hunk patch?

patch file, you’d see that it’s organized in a bunch of segments, so-called “hunks”. Every hunk identifies corresponding pieces of code (by line numbers) in the old and new version, the differences between those pieces of code, and similarities between them (the “context”).

What’s the context between Diff hunks in Git?

Show the context between diff hunks, up to the specified number of lines, thereby fusing the hunks that are close to each other. This value serves as the default for the –inter-hunk-context command line option. If this config variable is set, diff generation is not performed using the internal diff machinery, but using the given command.

How to generate diffs with < n > lines of context?

Generate diffs with lines of context instead of the default of 3. This value is overridden by the -U option. Show the context between diff hunks, up to the specified number of lines, thereby fusing the hunks that are close to each other. This value serves as the default for the –inter-hunk-context command line option.

How to show only lines that have been modified in git diff?

The -U0 says to include 0 lines of context around the changed lines–ie: include just the changed lines themselves. See man git diff. The $” syntax apparently allows ANSI quoting, which properly interprets the ESC (escape, or 0x1b) character properly.

How to calculate the number of changed lines in Git?

git diff # default @@ -10,8 +10,8 @@ This is hard to calculate the line numbers of the changed lines because line 10 refers to the first line of the before context. The actual line number of the first changed line is 10+3=13. To calculate the number of changed lines, then you have to also subtract the before and after context: 8-3-3=2.