/* 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; struct object_id new_rev_oid, old_rev_oid; char rev_range[2 * 40 + 3]; 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(&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(&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 { sprintf(rev_range, "%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); } }