Make git_pageurl handle NULL querystrings

[ps-cgit] / shared.c

diff --git a/shared.c b/shared.c
index c58a2ff6ae6f643f7a9d944098374ccaaf55ade1..a1e1acd7dda0bc5f254a9c1d0a5e21848003a71a 100644 (file)
--- a/shared.c
+++ b/shared.c
@@ -1,14 +1,27 @@
+/* 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"
 
 #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_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_virtual_root = NULL;

-
+char *cgit_script_name  = CGIT_SCRIPT_NAME;

 char *cgit_cache_root   = "/var/cache/cgit";
 
 char *cgit_cache_root   = "/var/cache/cgit";
 

+int cgit_nocache               =  0;
+int cgit_snapshots             =  0;

 int cgit_max_lock_attempts     =  5;
 int cgit_cache_root_ttl        =  5;
 int cgit_cache_repo_ttl        =  5;
 int cgit_max_lock_attempts     =  5;
 int cgit_cache_root_ttl        =  5;
 int cgit_cache_repo_ttl        =  5;


@@ -16,9 +29,8 @@ int cgit_cache_dynamic_ttl     =  5;
 int cgit_cache_static_ttl      = -1;
 int cgit_cache_max_create_time =  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_commit_count = 50;

 
 int cgit_query_has_symref = 0;
 int cgit_query_has_sha1   = 0;
 
 int cgit_query_has_symref = 0;
 int cgit_query_has_sha1   = 0;


@@ -27,15 +39,58 @@ char *cgit_querystring  = NULL;
 char *cgit_query_repo   = NULL;
 char *cgit_query_page   = NULL;
 char *cgit_query_head   = NULL;
 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_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 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->defbranch = "master";
+       ret->snapshots = cgit_snapshots;
+       ret->module_link = cgit_module_link;
+       return ret;
+}
+

 void cgit_global_config_cb(const char *name, const char *value)
 {
 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_root_title = xstrdup(value);
        else if (!strcmp(name, "css"))
                cgit_css = xstrdup(value);


@@ -43,32 +98,216 @@ void cgit_global_config_cb(const char *name, const char *value)
                cgit_logo = xstrdup(value);
        else if (!strcmp(name, "logo-link"))
                cgit_logo_link = 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);
        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, "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-commit-count"))
+               cgit_max_commit_count = atoi(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 = 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)
 {
 }
 
 void cgit_querystring_cb(const char *name, const char *value)
 {

-       if (!strcmp(name,"r"))
+       if (!strcmp(name,"r")) {

                cgit_query_repo = xstrdup(value);
                cgit_query_repo = xstrdup(value);

-       else if (!strcmp(name, "p"))
+       } else if (!strcmp(name, "p")) {

                cgit_query_page = xstrdup(value);
                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;
                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);
+}