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Normally when I issue git grep, it will only search the current directory and below, for instance
$ cat A
1
$ cd d
$ cat B
1
$ git grep 1
B:1
$ cd ..;git grep 1
A:1
B:1
How can I tell git grep "search the entire tree, no matter the current working directory I'm in"?
241
To include all subdirectories in a search, add the -r operator to the grep command. This command prints the matches for all files in the current directory, subdirectories, and the exact path with the filename.
To grep All Files in a Directory Recursively, we need to use -R option. When -R options is used, The Linux grep command will search given string in the specified directory and subdirectories inside that directory. If no folder name is given, grep command will search the string inside the current working directory.
Moreover, git grep can search in a specific commit, branch, or even find all the occurrences between two commits or tags in the repo.
You can make grep search in all the files and all the subdirectories of the current directory using the -r recursive search option: grep -r search_term .
Git aliases that run shell commands are always executed in the top level directory (see the git config man page), so you can add this to your .gitconfig file:
[alias]
rgrep = !git grep
Alternatively, you could use git rev-parse --show-toplevel to get the root directory, which you could then pass to git grep as the basis of a script or alias:
git grep $pattern -- `git rev-parse --show-toplevel`
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