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49e369b29d
The comment char is configurable and we need to provide a way for the user to specify which comment char they chose for their message.
63 lines
1.6 KiB
C
63 lines
1.6 KiB
C
/*
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* Copyright (C) the libgit2 contributors. All rights reserved.
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*
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* This file is part of libgit2, distributed under the GNU GPL v2 with
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* a Linking Exception. For full terms see the included COPYING file.
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*/
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#include "message.h"
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static size_t line_length_without_trailing_spaces(const char *line, size_t len)
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{
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while (len) {
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unsigned char c = line[len - 1];
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if (!git__isspace(c))
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break;
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len--;
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}
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return len;
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}
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/* Greatly inspired from git.git "stripspace" */
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/* see https://github.com/git/git/blob/497215d8811ac7b8955693ceaad0899ecd894ed2/builtin/stripspace.c#L4-67 */
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int git_message_prettify(git_buf *message_out, const char *message, int strip_comments, char comment_char)
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{
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const size_t message_len = strlen(message);
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int consecutive_empty_lines = 0;
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size_t i, line_length, rtrimmed_line_length;
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char *next_newline;
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git_buf_sanitize(message_out);
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for (i = 0; i < strlen(message); i += line_length) {
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next_newline = memchr(message + i, '\n', message_len - i);
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if (next_newline != NULL) {
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line_length = next_newline - (message + i) + 1;
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} else {
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line_length = message_len - i;
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}
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if (strip_comments && line_length && message[i] == comment_char)
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continue;
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rtrimmed_line_length = line_length_without_trailing_spaces(message + i, line_length);
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if (!rtrimmed_line_length) {
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consecutive_empty_lines++;
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continue;
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}
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if (consecutive_empty_lines > 0 && message_out->size > 0)
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git_buf_putc(message_out, '\n');
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consecutive_empty_lines = 0;
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git_buf_put(message_out, message + i, rtrimmed_line_length);
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git_buf_putc(message_out, '\n');
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}
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return git_buf_oom(message_out) ? -1 : 0;
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}
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