*/
#include "cgit.h"
+#include <stdio.h>
+#include <linux/limits.h>
struct cgit_repolist cgit_repolist;
struct cgit_context ctx;
-int cgit_cmd;
int chk_zero(int result, char *msg)
{
}
ret = &cgit_repolist.repos[cgit_repolist.count-1];
+ memset(ret, 0, sizeof(struct cgit_repo));
ret->url = trim_end(url, '/');
ret->name = ret->url;
ret->path = NULL;
ret->desc = "[no description]";
ret->owner = NULL;
- ret->group = ctx.cfg.repo_group;
+ ret->section = ctx.cfg.section;
ret->defbranch = "master";
ret->snapshots = ctx.cfg.snapshots;
+ ret->enable_commit_graph = ctx.cfg.enable_commit_graph;
ret->enable_log_filecount = ctx.cfg.enable_log_filecount;
ret->enable_log_linecount = ctx.cfg.enable_log_linecount;
+ ret->enable_remote_branches = ctx.cfg.enable_remote_branches;
+ ret->enable_subject_links = ctx.cfg.enable_subject_links;
ret->max_stats = ctx.cfg.max_stats;
ret->module_link = ctx.cfg.module_link;
- ret->readme = NULL;
+ ret->readme = ctx.cfg.readme;
ret->mtime = -1;
ret->about_filter = ctx.cfg.about_filter;
ret->commit_filter = ctx.cfg.commit_filter;
int cgit_diff_files(const unsigned char *old_sha1,
const unsigned char *new_sha1, unsigned long *old_size,
- unsigned long *new_size, int *binary, linediff_fn fn)
+ unsigned long *new_size, int *binary, int context,
+ int ignorews, linediff_fn fn)
{
mmfile_t file1, file2;
xpparam_t diff_params;
if ((file1.ptr && buffer_is_binary(file1.ptr, file1.size)) ||
(file2.ptr && buffer_is_binary(file2.ptr, file2.size))) {
*binary = 1;
+ if (file1.size)
+ free(file1.ptr);
+ if (file2.size)
+ free(file2.ptr);
return 0;
}
memset(&emit_params, 0, sizeof(emit_params));
memset(&emit_cb, 0, sizeof(emit_cb));
diff_params.flags = XDF_NEED_MINIMAL;
- emit_params.ctxlen = 3;
+ if (ignorews)
+ diff_params.flags |= XDF_IGNORE_WHITESPACE;
+ emit_params.ctxlen = context > 0 ? context : 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);
+ if (file1.size)
+ free(file1.ptr);
+ if (file2.size)
+ free(file2.ptr);
return 0;
}
void cgit_diff_tree(const unsigned char *old_sha1,
const unsigned char *new_sha1,
- filepair_fn fn, const char *prefix)
+ filepair_fn fn, const char *prefix, int ignorews)
{
struct diff_options opt;
int ret;
opt.detect_rename = 1;
opt.rename_limit = ctx.cfg.renamelimit;
DIFF_OPT_SET(&opt, RECURSIVE);
+ if (ignorews)
+ DIFF_XDL_SET(&opt, IGNORE_WHITESPACE);
opt.format_callback = cgit_diff_tree_cb;
opt.format_callback_data = fn;
if (prefix) {
diff_flush(&opt);
}
-void cgit_diff_commit(struct commit *commit, filepair_fn fn)
+void cgit_diff_commit(struct commit *commit, filepair_fn fn, const char *prefix)
{
unsigned char *old_sha1 = NULL;
if (commit->parents)
old_sha1 = commit->parents->item->object.sha1;
- cgit_diff_tree(old_sha1, commit->object.sha1, fn, NULL);
+ cgit_diff_tree(old_sha1, commit->object.sha1, fn, prefix,
+ ctx.qry.ignorews);
}
int cgit_parse_snapshots_mask(const char *str)
return rv;
}
-int cgit_open_filter(struct cgit_filter *filter)
+typedef struct {
+ char * name;
+ char * value;
+} cgit_env_var;
+
+static char * prepare_env(struct cgit_repo * repo) {
+ cgit_env_var env_vars[] = {
+ { .name = "CGIT_REPO_URL", .value = repo->url },
+ { .name = "CGIT_REPO_NAME", .value = repo->name },
+ { .name = "CGIT_REPO_PATH", .value = repo->path },
+ { .name = "CGIT_REPO_OWNER", .value = repo->owner },
+ { .name = "CGIT_REPO_DEFBRANCH", .value = repo->defbranch },
+ { .name = "CGIT_REPO_SECTION", .value = repo->section },
+ { .name = "CGIT_REPO_CLONE_URL", .value = repo->clone_url }
+ };
+ int env_var_count = ARRAY_SIZE(env_vars);
+ long values_space = (env_var_count * (PATH_MAX + 64));
+
+ void * buffer;
+ char ** vars;
+ char * values;
+ int vars_index = 0;
+ unsigned int chars_printed;
+
+ /* Allocate buffer for environment variables: first in the buffer is an
+ * array of pointers to argument strings, terminated with a NULL pointer.
+ * After that the argument strings are placed after each other */
+ buffer = malloc(((env_var_count + 1) * sizeof(char *)) + values_space);
+ if (!buffer)
+ return NULL;
+
+ vars = buffer;
+ values = (char *) &vars[env_var_count + 1];
+
+ /* loop over all defined environment variables and their values */
+ while (vars_index < env_var_count) {
+ char * name = env_vars[vars_index].name;
+ char * value = env_vars[vars_index].value;
+
+ if (!value)
+ value = "";
+
+ chars_printed = snprintf(values, (values_space - 1), "%s=%s", name,
+ value);
+ if (chars_printed > (values_space - 1)) {
+ /* Buffer space exhausted: stop adding variables.
+ * Not all environment variables are defined, but the best we can
+ * do is to provide the ones that _are_ defined */
+ break;
+ }
+
+ values[chars_printed] = '\0';
+ *&vars[vars_index] = values;
+ values += (chars_printed + 1);
+ values_space -= (chars_printed + 1);
+ vars_index++;
+ }
+
+ /* terminate the array with pointers */
+ *&vars[vars_index] = NULL;
+
+ return (char *) buffer;
+}
+
+int cgit_open_filter(struct cgit_filter *filter, struct cgit_repo * repo)
{
filter->old_stdout = chk_positive(dup(STDOUT_FILENO),
chk_zero(pipe(filter->pipe_fh), "Unable to create pipe to subprocess");
filter->pid = chk_non_negative(fork(), "Unable to create subprocess");
if (filter->pid == 0) {
+ char * env = NULL;
+
close(filter->pipe_fh[1]);
chk_non_negative(dup2(filter->pipe_fh[0], STDIN_FILENO),
"Unable to use pipe as STDIN");
- execvp(filter->cmd, filter->argv);
+
+ if (repo)
+ env = prepare_env(repo);
+
+ execve(filter->cmd, filter->argv, (char **)env);
+
+ if (env)
+ free(env);
+
die("Unable to exec subprocess %s: %s (%d)", filter->cmd,
strerror(errno), errno);
}
*/
int readfile(const char *path, char **buf, size_t *size)
{
- int fd;
+ int fd, e;
struct stat st;
fd = open(path, O_RDONLY);
if (fd == -1)
return errno;
- if (fstat(fd, &st))
- return errno;
- if (!S_ISREG(st.st_mode))
+ if (fstat(fd, &st)) {
+ e = errno;
+ close(fd);
+ return e;
+ }
+ if (!S_ISREG(st.st_mode)) {
+ close(fd);
return EISDIR;
+ }
*buf = xmalloc(st.st_size + 1);
*size = read_in_full(fd, *buf, st.st_size);
+ e = errno;
(*buf)[*size] = '\0';
- return (*size == st.st_size ? 0 : errno);
+ close(fd);
+ return (*size == st.st_size ? 0 : e);
+}
+
+int is_token_char(char c)
+{
+ return isalnum(c) || c == '_';
+}
+
+/* Replace name with getenv(name), return pointer to zero-terminating char
+ */
+char *expand_macro(char *name, int maxlength)
+{
+ char *value;
+ int len;
+
+ len = 0;
+ value = getenv(name);
+ if (value) {
+ len = strlen(value);
+ if (len > maxlength)
+ len = maxlength;
+ strncpy(name, value, len);
+ }
+ return name + len;
+}
+
+#define EXPBUFSIZE (1024 * 8)
+
+/* Replace all tokens prefixed by '$' in the specified text with the
+ * value of the named environment variable.
+ * NB: the return value is a static buffer, i.e. it must be strdup'd
+ * by the caller.
+ */
+char *expand_macros(const char *txt)
+{
+ static char result[EXPBUFSIZE];
+ char *p, *start;
+ int len;
+
+ p = result;
+ start = NULL;
+ while (p < result + EXPBUFSIZE - 1 && txt && *txt) {
+ *p = *txt;
+ if (start) {
+ if (!is_token_char(*txt)) {
+ if (p - start > 0) {
+ *p = '\0';
+ len = result + EXPBUFSIZE - start - 1;
+ p = expand_macro(start, len) - 1;
+ }
+ start = NULL;
+ txt--;
+ }
+ p++;
+ txt++;
+ continue;
+ }
+ if (*txt == '$') {
+ start = p;
+ txt++;
+ continue;
+ }
+ p++;
+ txt++;
+ }
+ *p = '\0';
+ if (start && p - start > 0) {
+ len = result + EXPBUFSIZE - start - 1;
+ p = expand_macro(start, len);
+ *p = '\0';
+ }
+ return result;
}