+/* shared.c: global vars + some callback functions
+ *
+ * Copyright (C) 2006 Lars Hjemli
+ *
+ * Licensed under GNU General Public License v2
+ * (see COPYING for full license text)
+ */
+
#include "cgit.h"
-char *cgit_root = "/usr/src/git";
+struct repolist cgit_repolist;
+struct repoinfo *cgit_repo;
+
char *cgit_root_title = "Git repository browser";
char *cgit_css = "/cgit.css";
char *cgit_logo = "/git-logo.png";
char *cgit_logo_link = "http://www.kernel.org/pub/software/scm/git/docs/";
+char *cgit_module_link = "./?repo=%s&page=commit&id=%s";
char *cgit_virtual_root = NULL;
-
+char *cgit_script_name = CGIT_SCRIPT_NAME;
char *cgit_cache_root = "/var/cache/cgit";
+char *cgit_repo_group = NULL;
+int cgit_nocache = 0;
+int cgit_snapshots = 0;
+int cgit_enable_log_filecount = 0;
+int cgit_enable_log_linecount = 0;
int cgit_max_lock_attempts = 5;
int cgit_cache_root_ttl = 5;
int cgit_cache_repo_ttl = 5;
int cgit_cache_static_ttl = -1;
int cgit_cache_max_create_time = 5;
-char *cgit_repo_name = NULL;
-char *cgit_repo_desc = NULL;
-char *cgit_repo_owner = NULL;
+int cgit_max_msg_len = 60;
+int cgit_max_repodesc_len = 60;
+int cgit_max_commit_count = 50;
int cgit_query_has_symref = 0;
int cgit_query_has_sha1 = 0;
char *cgit_query_repo = NULL;
char *cgit_query_page = NULL;
char *cgit_query_head = NULL;
+char *cgit_query_search = NULL;
char *cgit_query_sha1 = NULL;
+char *cgit_query_sha2 = NULL;
+char *cgit_query_path = NULL;
+char *cgit_query_name = NULL;
+int cgit_query_ofs = 0;
int htmlfd = 0;
+int chk_zero(int result, char *msg)
+{
+ if (result != 0)
+ die("%s: %s", msg, strerror(errno));
+ return result;
+}
+
+int chk_positive(int result, char *msg)
+{
+ if (result <= 0)
+ die("%s: %s", msg, strerror(errno));
+ return result;
+}
+
+struct repoinfo *add_repo(const char *url)
+{
+ struct repoinfo *ret;
+
+ if (++cgit_repolist.count > cgit_repolist.length) {
+ if (cgit_repolist.length == 0)
+ cgit_repolist.length = 8;
+ else
+ cgit_repolist.length *= 2;
+ cgit_repolist.repos = xrealloc(cgit_repolist.repos,
+ cgit_repolist.length *
+ sizeof(struct repoinfo));
+ }
+
+ ret = &cgit_repolist.repos[cgit_repolist.count-1];
+ ret->url = xstrdup(url);
+ ret->name = ret->url;
+ ret->path = NULL;
+ ret->desc = NULL;
+ ret->owner = NULL;
+ ret->group = cgit_repo_group;
+ ret->defbranch = "master";
+ ret->snapshots = cgit_snapshots;
+ ret->enable_log_filecount = cgit_enable_log_filecount;
+ ret->enable_log_linecount = cgit_enable_log_linecount;
+ ret->module_link = cgit_module_link;
+ return ret;
+}
+
void cgit_global_config_cb(const char *name, const char *value)
{
- if (!strcmp(name, "root"))
- cgit_root = xstrdup(value);
- else if (!strcmp(name, "root-title"))
+ if (!strcmp(name, "root-title"))
cgit_root_title = xstrdup(value);
else if (!strcmp(name, "css"))
cgit_css = xstrdup(value);
cgit_logo = xstrdup(value);
else if (!strcmp(name, "logo-link"))
cgit_logo_link = xstrdup(value);
+ else if (!strcmp(name, "module-link"))
+ cgit_module_link = xstrdup(value);
else if (!strcmp(name, "virtual-root"))
cgit_virtual_root = xstrdup(value);
-}
-
-void cgit_repo_config_cb(const char *name, const char *value)
-{
- if (!strcmp(name, "name"))
- cgit_repo_name = xstrdup(value);
- else if (!strcmp(name, "desc"))
- cgit_repo_desc = xstrdup(value);
- else if (!strcmp(name, "owner"))
- cgit_repo_owner = xstrdup(value);
+ else if (!strcmp(name, "nocache"))
+ cgit_nocache = atoi(value);
+ else if (!strcmp(name, "snapshots"))
+ cgit_snapshots = atoi(value);
+ else if (!strcmp(name, "enable-log-filecount"))
+ cgit_enable_log_filecount = atoi(value);
+ else if (!strcmp(name, "enable-log-linecount"))
+ cgit_enable_log_linecount = atoi(value);
+ else if (!strcmp(name, "cache-root"))
+ cgit_cache_root = xstrdup(value);
+ else if (!strcmp(name, "cache-root-ttl"))
+ cgit_cache_root_ttl = atoi(value);
+ else if (!strcmp(name, "cache-repo-ttl"))
+ cgit_cache_repo_ttl = atoi(value);
+ else if (!strcmp(name, "cache-static-ttl"))
+ cgit_cache_static_ttl = atoi(value);
+ else if (!strcmp(name, "cache-dynamic-ttl"))
+ cgit_cache_dynamic_ttl = atoi(value);
+ else if (!strcmp(name, "max-message-length"))
+ cgit_max_msg_len = atoi(value);
+ else if (!strcmp(name, "max-repodesc-length"))
+ cgit_max_repodesc_len = atoi(value);
+ else if (!strcmp(name, "max-commit-count"))
+ cgit_max_commit_count = atoi(value);
+ else if (!strcmp(name, "repo.group"))
+ cgit_repo_group = xstrdup(value);
+ else if (!strcmp(name, "repo.url"))
+ cgit_repo = add_repo(value);
+ else if (!strcmp(name, "repo.name"))
+ cgit_repo->name = xstrdup(value);
+ else if (cgit_repo && !strcmp(name, "repo.path"))
+ cgit_repo->path = xstrdup(value);
+ else if (cgit_repo && !strcmp(name, "repo.desc"))
+ cgit_repo->desc = xstrdup(value);
+ else if (cgit_repo && !strcmp(name, "repo.owner"))
+ cgit_repo->owner = xstrdup(value);
+ else if (cgit_repo && !strcmp(name, "repo.defbranch"))
+ cgit_repo->defbranch = xstrdup(value);
+ else if (cgit_repo && !strcmp(name, "repo.snapshots"))
+ cgit_repo->snapshots = cgit_snapshots * atoi(value);
+ else if (cgit_repo && !strcmp(name, "repo.enable-log-filecount"))
+ cgit_repo->enable_log_filecount = cgit_enable_log_filecount * atoi(value);
+ else if (cgit_repo && !strcmp(name, "repo.enable-log-linecount"))
+ cgit_repo->enable_log_linecount = cgit_enable_log_linecount * atoi(value);
+ else if (cgit_repo && !strcmp(name, "repo.module-link"))
+ cgit_repo->module_link= xstrdup(value);
+ else if (!strcmp(name, "include"))
+ cgit_read_config(value, cgit_global_config_cb);
}
void cgit_querystring_cb(const char *name, const char *value)
{
- if (!strcmp(name,"r"))
+ if (!strcmp(name,"r")) {
cgit_query_repo = xstrdup(value);
- else if (!strcmp(name, "p"))
+ } else if (!strcmp(name, "p")) {
cgit_query_page = xstrdup(value);
- else if (!strcmp(name, "h")) {
+ } else if (!strcmp(name, "q")) {
+ cgit_query_search = xstrdup(value);
+ } else if (!strcmp(name, "h")) {
cgit_query_head = xstrdup(value);
cgit_query_has_symref = 1;
} else if (!strcmp(name, "id")) {
cgit_query_sha1 = xstrdup(value);
cgit_query_has_sha1 = 1;
+ } else if (!strcmp(name, "id2")) {
+ cgit_query_sha2 = xstrdup(value);
+ cgit_query_has_sha1 = 1;
+ } else if (!strcmp(name, "ofs")) {
+ cgit_query_ofs = atoi(value);
+ } else if (!strcmp(name, "path")) {
+ cgit_query_path = xstrdup(value);
+ } else if (!strcmp(name, "name")) {
+ cgit_query_name = xstrdup(value);
+ }
+}
+
+void *cgit_free_commitinfo(struct commitinfo *info)
+{
+ free(info->author);
+ free(info->author_email);
+ free(info->committer);
+ free(info->committer_email);
+ free(info->subject);
+ free(info);
+ return NULL;
+}
+
+int hextoint(char c)
+{
+ if (c >= 'a' && c <= 'f')
+ return 10 + c - 'a';
+ else if (c >= 'A' && c <= 'F')
+ return 10 + c - 'A';
+ else if (c >= '0' && c <= '9')
+ return c - '0';
+ else
+ return -1;
+}
+
+void cgit_diff_tree_cb(struct diff_queue_struct *q,
+ struct diff_options *options, void *data)
+{
+ int i;
+
+ for (i = 0; i < q->nr; i++) {
+ if (q->queue[i]->status == 'U')
+ continue;
+ ((filepair_fn)data)(q->queue[i]);
+ }
+}
+
+static int load_mmfile(mmfile_t *file, const unsigned char *sha1)
+{
+ enum object_type type;
+
+ if (is_null_sha1(sha1)) {
+ file->ptr = (char *)"";
+ file->size = 0;
+ } else {
+ file->ptr = read_sha1_file(sha1, &type, &file->size);
+ }
+ return 1;
+}
+
+/*
+ * Receive diff-buffers from xdiff and concatenate them as
+ * needed across multiple callbacks.
+ *
+ * This is basically a copy of xdiff-interface.c/xdiff_outf(),
+ * ripped from git and modified to use globals instead of
+ * a special callback-struct.
+ */
+char *diffbuf = NULL;
+int buflen = 0;
+
+int filediff_cb(void *priv, mmbuffer_t *mb, int nbuf)
+{
+ int i;
+
+ for (i = 0; i < nbuf; i++) {
+ if (mb[i].ptr[mb[i].size-1] != '\n') {
+ /* Incomplete line */
+ diffbuf = xrealloc(diffbuf, buflen + mb[i].size);
+ memcpy(diffbuf + buflen, mb[i].ptr, mb[i].size);
+ buflen += mb[i].size;
+ continue;
+ }
+
+ /* we have a complete line */
+ if (!diffbuf) {
+ ((linediff_fn)priv)(mb[i].ptr, mb[i].size);
+ continue;
+ }
+ diffbuf = xrealloc(diffbuf, buflen + mb[i].size);
+ memcpy(diffbuf + buflen, mb[i].ptr, mb[i].size);
+ ((linediff_fn)priv)(diffbuf, buflen + mb[i].size);
+ free(diffbuf);
+ diffbuf = NULL;
+ buflen = 0;
}
+ if (diffbuf) {
+ ((linediff_fn)priv)(diffbuf, buflen);
+ free(diffbuf);
+ diffbuf = NULL;
+ buflen = 0;
+ }
+ return 0;
+}
+
+int cgit_diff_files(const unsigned char *old_sha1,
+ const unsigned char *new_sha1,
+ linediff_fn fn)
+{
+ mmfile_t file1, file2;
+ xpparam_t diff_params;
+ xdemitconf_t emit_params;
+ xdemitcb_t emit_cb;
+
+ if (!load_mmfile(&file1, old_sha1) || !load_mmfile(&file2, new_sha1))
+ return 1;
+
+ diff_params.flags = XDF_NEED_MINIMAL;
+ emit_params.ctxlen = 3;
+ emit_params.flags = XDL_EMIT_FUNCNAMES;
+ emit_cb.outf = filediff_cb;
+ emit_cb.priv = fn;
+ xdl_diff(&file1, &file2, &diff_params, &emit_params, &emit_cb);
+ return 0;
+}
+
+void cgit_diff_tree(const unsigned char *old_sha1,
+ const unsigned char *new_sha1,
+ filepair_fn fn)
+{
+ struct diff_options opt;
+ int ret;
+
+ diff_setup(&opt);
+ opt.output_format = DIFF_FORMAT_CALLBACK;
+ opt.detect_rename = 1;
+ opt.recursive = 1;
+ opt.format_callback = cgit_diff_tree_cb;
+ opt.format_callback_data = fn;
+ diff_setup_done(&opt);
+
+ if (old_sha1)
+ ret = diff_tree_sha1(old_sha1, new_sha1, "", &opt);
+ else
+ ret = diff_root_tree_sha1(new_sha1, "", &opt);
+ diffcore_std(&opt);
+ diff_flush(&opt);
}
+void cgit_diff_commit(struct commit *commit, filepair_fn fn)
+{
+ unsigned char *old_sha1 = NULL;
+
+ if (commit->parents)
+ old_sha1 = commit->parents->item->object.sha1;
+ cgit_diff_tree(old_sha1, commit->object.sha1, fn);
+}
git.ckatri.com / cgit.git / blobdiff