/* 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" void cgit_print_patch(const char *new_rev, const char *old_rev, const char *prefix) { struct rev_info rev; struct commit *commit; unsigned char new_rev_sha1[20], old_rev_sha1[20]; char rev_range[2 * 40 + 3]; char *rev_argv[] = { NULL, "--reverse", "--format=email", rev_range }; char *patchname; if (!new_rev) new_rev = ctx.qry.head; if (get_sha1(new_rev, new_rev_sha1)) { cgit_print_http_headers(); cgit_print_error("Bad object id: %s", new_rev); return; } commit = lookup_commit_reference(new_rev_sha1); if (!commit) { cgit_print_http_headers(); cgit_print_error("Bad commit reference: %s", new_rev); return; } if (old_rev) { if (get_sha1(old_rev, old_rev_sha1)) { cgit_print_http_headers(); cgit_print_error("Bad object id: %s", old_rev); return; } if (!lookup_commit_reference(old_rev_sha1)) { cgit_print_http_headers(); cgit_print_error("Bad commit reference: %s", old_rev); return; } } else if (commit->parents && commit->parents->item) { hashcpy(old_rev_sha1, commit->parents->item->object.sha1); } else { hashclr(old_rev_sha1); } if (is_null_sha1(old_rev_sha1)) { memcpy(rev_range, sha1_to_hex(new_rev_sha1), 41); } else { sprintf(rev_range, "%s..%s", sha1_to_hex(old_rev_sha1), sha1_to_hex(new_rev_sha1)); } 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; setup_revisions(ARRAY_SIZE(rev_argv), (const char **)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); } fflush(stdout); }