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Diffstat (limited to 'macros/luatex/latex/gitinfo-lua/scripts/gitinfo-lua-recorder.lua')
-rw-r--r-- | macros/luatex/latex/gitinfo-lua/scripts/gitinfo-lua-recorder.lua | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/macros/luatex/latex/gitinfo-lua/scripts/gitinfo-lua-recorder.lua b/macros/luatex/latex/gitinfo-lua/scripts/gitinfo-lua-recorder.lua new file mode 100644 index 0000000000..8d4aa78af2 --- /dev/null +++ b/macros/luatex/latex/gitinfo-lua/scripts/gitinfo-lua-recorder.lua @@ -0,0 +1,79 @@ +-- gitinfo-lua-recorder.lua +-- Copyright 2024 E. Nijenhuis +-- +-- This work may be distributed and/or modified under the +-- conditions of the LaTeX Project Public License, either version 1.3c +-- of this license or (at your option) any later version. +-- The latest version of this license is in +-- http://www.latex-project.org/lppl.txt +-- and version 1.3c or later is part of all distributions of LaTeX +-- version 2005/12/01 or later. +-- +-- This work has the LPPL maintenance status ‘maintained’. +-- +-- The Current Maintainer of this work is E. Nijenhuis. +-- +-- This work consists of the files gitinfo-lua.sty gitinfo-lua.pdf +-- gitinfo-lua-cmd.lua, gitinfo-lua-recorder.lua and gitinfo-lua.lua + +local kpse = kpse or require('kpse') +local texio = texio or require('texio') + +local api = { + record_list = {} +} + +---record_head +---Records .git/HEAD and .git/refs/heads/<branch> respectively, +---in order to trigger a rebuild in LaTeX. +---@param git_directory string +function api.record_head(git_directory) + local head_path = '.git/HEAD' + if git_directory then + head_path = git_directory .. head_path + end + if not api.record_list[head_path] then + api.record_list[head_path] = true + if kpse.in_name_ok(head_path) then + local head_file = io.open(head_path, 'rb') + if not head_file then + texio.write_nl('Warning: couldn\'t read HEAD from git project directory') + return + end + kpse.record_input_file(head_path) + texio.write_nl('Info: recording input file ' .. head_path) + local head_info = head_file:read('*a') + head_file:close() + local i, j = string.find(head_info, '^ref: .+\n$') + local ref_path = string.sub(head_info, i + 5, j-1) + if not ref_path then + texio.write_nl('Warning: couldn\'t find ref of HEAD') + return + end + ref_path = '.git/' .. ref_path + if git_directory then + ref_path = git_directory .. ref_path + end + if kpse.in_name_ok(ref_path) then + kpse.record_input_file(ref_path) + texio.write_nl('Info: recording input file ' .. ref_path) + else + texio.write_nl('Warning: couldn\'t read ref file: ' .. ref_path) + end + else + texio.write_nl('Couldn\'t open input file ' .. head_path) + end + end +end + + + +local gitinfo_recorder = {} +local gitinfo_recorder_mt = { + __index = api, + __newindex = nil +} + +setmetatable(gitinfo_recorder, gitinfo_recorder_mt) + +return gitinfo_recorder |