| /* ui-patch.c: generate patch view |
| * |
| * Copyright (C) 2006-2014 cgit Development Team <cgit@lists.zx2c4.com> |
| * |
| * Licensed under GNU General Public License v2 |
| * (see COPYING for full license text) |
| */ |
| |
| #include "cgit.h" |
| #include "ui-patch.h" |
| #include "html.h" |
| #include "ui-shared.h" |
| |
| /* two commit hashes with two dots in between and termination */ |
| #define REV_RANGE_LEN 2 * GIT_MAX_HEXSZ + 3 |
| |
| void cgit_print_patch(const char *new_rev, const char *old_rev, |
| const char *prefix) |
| { |
| struct rev_info rev; |
| struct commit *commit; |
| struct object_id new_rev_oid, old_rev_oid; |
| char rev_range[REV_RANGE_LEN]; |
| const char *rev_argv[] = { NULL, "--reverse", "--format=email", rev_range, "--", prefix, NULL }; |
| int rev_argc = ARRAY_SIZE(rev_argv) - 1; |
| char *patchname; |
| |
| if (!prefix) |
| rev_argc--; |
| |
| if (!new_rev) |
| new_rev = ctx.qry.head; |
| |
| if (get_oid(new_rev, &new_rev_oid)) { |
| cgit_print_error_page(404, "Not found", |
| "Bad object id: %s", new_rev); |
| return; |
| } |
| commit = lookup_commit_reference(the_repository, &new_rev_oid); |
| if (!commit) { |
| cgit_print_error_page(404, "Not found", |
| "Bad commit reference: %s", new_rev); |
| return; |
| } |
| |
| if (old_rev) { |
| if (get_oid(old_rev, &old_rev_oid)) { |
| cgit_print_error_page(404, "Not found", |
| "Bad object id: %s", old_rev); |
| return; |
| } |
| if (!lookup_commit_reference(the_repository, &old_rev_oid)) { |
| cgit_print_error_page(404, "Not found", |
| "Bad commit reference: %s", old_rev); |
| return; |
| } |
| } else if (commit->parents && commit->parents->item) { |
| oidcpy(&old_rev_oid, &commit->parents->item->object.oid); |
| } else { |
| oidclr(&old_rev_oid); |
| } |
| |
| if (is_null_oid(&old_rev_oid)) { |
| memcpy(rev_range, oid_to_hex(&new_rev_oid), GIT_SHA1_HEXSZ + 1); |
| } else { |
| xsnprintf(rev_range, REV_RANGE_LEN, "%s..%s", oid_to_hex(&old_rev_oid), |
| oid_to_hex(&new_rev_oid)); |
| } |
| |
| patchname = fmt("%s.patch", rev_range); |
| ctx.page.mimetype = "text/plain"; |
| ctx.page.filename = patchname; |
| cgit_print_http_headers(); |
| |
| if (ctx.cfg.noplainemail) { |
| rev_argv[2] = "--format=format:From %H Mon Sep 17 00:00:00 " |
| "2001%nFrom: %an%nDate: %aD%n%w(78,0,1)Subject: " |
| "%s%n%n%w(0)%b"; |
| } |
| |
| init_revisions(&rev, NULL); |
| rev.abbrev = DEFAULT_ABBREV; |
| rev.verbose_header = 1; |
| rev.diff = 1; |
| rev.show_root_diff = 1; |
| rev.max_parents = 1; |
| rev.diffopt.output_format |= DIFF_FORMAT_DIFFSTAT | |
| DIFF_FORMAT_PATCH | DIFF_FORMAT_SUMMARY; |
| if (prefix) |
| rev.diffopt.stat_sep = fmt("(limited to '%s')\n\n", prefix); |
| setup_revisions(rev_argc, rev_argv, &rev, NULL); |
| prepare_revision_walk(&rev); |
| |
| while ((commit = get_revision(&rev)) != NULL) { |
| log_tree_commit(&rev, commit); |
| printf("-- \ncgit %s\n\n", cgit_version); |
| } |
| } |