git-hash-object - Linux
Overview
git-hash-object
computes the object ID and optionally creates a blob from a given path.
Syntax
git hash-object [-w] [-t <type>] <file>
Options/Flags
- -w: Write the object into the database
- -t
: Specify object type; allowed values:blob
,commit
,tag
,tree
Examples
Compute the SHA1 hash of a file without storing it:
git hash-object my-file
Create and store a blob object:
git hash-object -w my-file
Common Issues
Error: object already exists:
If you try to write an object that already exists in the database, you will get this error. To overwrite an existing object, use git update-ref
instead.
Integration
- Use
git-hash-object
to create custom objects for Git repositories. - Combine with
git add
to stage and commit custom objects. - Use in scripts to programmatically manage Git objects.
Related Commands
git cat-file
: Display or extract contents of objectsgit update-ref
: Update the reference to an objectgit verify-object
: Verify the validity of an object