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