| 1 | -- resty-gitweb@git/read_blob.lua |
| 2 | -- Opens and reads blob by filename and rev |
| 3 |
|
| 4 | -- Copyright (c) 2020 Joshua 'joshuas3' Stockin |
| 5 | -- <https://git.joshstock.in/resty-gitweb> |
| 6 | -- This software is licensed under the MIT License. |
| 7 |
|
| 8 | local ffi = require("ffi") |
| 9 | local bit = require("bit") |
| 10 | local git2_error = require("git/git2_error") |
| 11 |
|
| 12 | local _M = function(repo_obj, rev, file_path) |
| 13 | local err = 0 |
| 14 |
|
| 15 | -- Get tree root |
| 16 | local tree = ffi.new("git_object*[1]") |
| 17 | err = git2.git_revparse_single(ffi.cast("git_object**", tree), repo_obj, rev) |
| 18 | git2_error(err, "Failed to look up tree from rev name") |
| 19 | tree = tree[0] |
| 20 |
|
| 21 | -- Get tree entry object (blob) |
| 22 | local blob = ffi.new("git_object*[1]") |
| 23 | err = git2.git_object_lookup_bypath(ffi.cast("git_object**", blob), tree, file_path, git2.GIT_OBJECT_BLOB) |
| 24 | git2_error(err, "Failed to look up blob") |
| 25 | blob = ffi.cast("git_blob*", blob[0]) |
| 26 |
|
| 27 | -- Get blob content |
| 28 | local buf = ffi.new("git_buf") |
| 29 | err = git2.git_blob_filtered_content(buf, blob, file_path, 0) |
| 30 | git2_error(err, "Failed to filter blob") |
| 31 | local raw = ffi.string(buf.ptr, buf.size) |
| 32 | local is_binary = git2.git_blob_is_binary(blob) == 1 |
| 33 |
|
| 34 | -- Free everything |
| 35 | git2.git_buf_free(buf) |
| 36 | git2.git_blob_free(blob) |
| 37 | git2.git_object_free(tree) |
| 38 |
|
| 39 | return raw, is_binary |
| 40 | end |
| 41 |
|
| 42 | return _M |
| 43 |
|
Index