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-rw-r--r--Makefile4
-rw-r--r--cgit.c2
-rw-r--r--shared.c2
3 files changed, 5 insertions, 3 deletions
diff --git a/Makefile b/Makefile
index faf7b98..c9be8fa 100644
--- a/Makefile
+++ b/Makefile
@@ -1,107 +1,109 @@
CGIT_VERSION = v0.7.2
CGIT_SCRIPT_NAME = cgit.cgi
CGIT_SCRIPT_PATH = /var/www/htdocs/cgit
CGIT_CONFIG = /etc/cgitrc
CACHE_ROOT = /var/cache/cgit
SHA1_HEADER = <openssl/sha.h>
GIT_VER = 1.5.4.1
GIT_URL = http://www.kernel.org/pub/software/scm/git/git-$(GIT_VER).tar.bz2
#
# Let the user override the above settings.
#
-include cgit.conf
#
# Define a pattern rule for automatic dependency building
#
%.d: %.c
$(CC) $(CFLAGS) -MM $< | sed -e 's/\($*\)\.o:/\1.o $@:/g' >$@
EXTLIBS = git/libgit.a git/xdiff/lib.a -lz -lcrypto
OBJECTS =
OBJECTS += cache.o
OBJECTS += cgit.o
OBJECTS += cmd.o
OBJECTS += html.o
OBJECTS += parsing.o
OBJECTS += shared.o
OBJECTS += ui-blob.o
OBJECTS += ui-commit.o
OBJECTS += ui-diff.o
OBJECTS += ui-log.o
OBJECTS += ui-patch.o
OBJECTS += ui-refs.o
OBJECTS += ui-repolist.o
OBJECTS += ui-shared.o
OBJECTS += ui-snapshot.o
OBJECTS += ui-summary.o
OBJECTS += ui-tag.o
OBJECTS += ui-tree.o
ifdef NEEDS_LIBICONV
EXTLIBS += -liconv
endif
.PHONY: all git test install clean distclean emptycache force-version get-git
all: cgit git
VERSION: force-version
@./gen-version.sh "$(CGIT_VERSION)"
-include VERSION
CFLAGS += -g -Wall -Igit
CFLAGS += -DSHA1_HEADER='$(SHA1_HEADER)'
CFLAGS += -DCGIT_VERSION='"$(CGIT_VERSION)"'
CFLAGS += -DCGIT_CONFIG='"$(CGIT_CONFIG)"'
CFLAGS += -DCGIT_SCRIPT_NAME='"$(CGIT_SCRIPT_NAME)"'
CFLAGS += -DCGIT_CACHE_ROOT='"$(CACHE_ROOT)"'
cgit: $(OBJECTS)
$(CC) $(CFLAGS) -o cgit $(OBJECTS) $(EXTLIBS)
-$(OBJECTS): git/xdiff/lib.a git/libgit.a VERSION
+$(OBJECTS): git/xdiff/lib.a git/libgit.a
+
+cgit.o: VERSION
-include $(OBJECTS:.o=.d)
git/xdiff/lib.a: | git
git/libgit.a: | git
git:
cd git && $(MAKE) xdiff/lib.a
cd git && $(MAKE) libgit.a
test: all
$(MAKE) -C tests
install: all
mkdir -p $(DESTDIR)$(CGIT_SCRIPT_PATH)
install cgit $(DESTDIR)$(CGIT_SCRIPT_PATH)/$(CGIT_SCRIPT_NAME)
install cgit.css $(DESTDIR)$(CGIT_SCRIPT_PATH)/cgit.css
install cgit.png $(DESTDIR)$(CGIT_SCRIPT_PATH)/cgit.png
uninstall:
rm -f $(CGIT_SCRIPT_PATH)/$(CGIT_SCRIPT_NAME)
rm -f $(CGIT_SCRIPT_PATH)/cgit.css
rm -f $(CGIT_SCRIPT_PATH)/cgit.png
clean:
rm -f cgit VERSION *.o *.d
cd git && $(MAKE) clean
distclean: clean
git clean -d -x
cd git && git clean -d -x
emptycache:
rm -rf $(DESTDIR)$(CACHE_ROOT)/*
get-git:
curl $(GIT_URL) | tar -xj && rm -rf git && mv git-$(GIT_VER) git
diff --git a/cgit.c b/cgit.c
index b3dd119..3943a0f 100644
--- a/cgit.c
+++ b/cgit.c
@@ -1,396 +1,398 @@
/* cgit.c: cgi for the git scm
*
* Copyright (C) 2006 Lars Hjemli
*
* Licensed under GNU General Public License v2
* (see COPYING for full license text)
*/
#include "cgit.h"
#include "cmd.h"
#include "ui-shared.h"
+const char *cgit_version = CGIT_VERSION;
+
void config_cb(const char *name, const char *value)
{
if (!strcmp(name, "root-title"))
ctx.cfg.root_title = xstrdup(value);
else if (!strcmp(name, "css"))
ctx.cfg.css = xstrdup(value);
else if (!strcmp(name, "logo"))
ctx.cfg.logo = xstrdup(value);
else if (!strcmp(name, "index-header"))
ctx.cfg.index_header = xstrdup(value);
else if (!strcmp(name, "index-info"))
ctx.cfg.index_info = xstrdup(value);
else if (!strcmp(name, "logo-link"))
ctx.cfg.logo_link = xstrdup(value);
else if (!strcmp(name, "module-link"))
ctx.cfg.module_link = xstrdup(value);
else if (!strcmp(name, "virtual-root")) {
ctx.cfg.virtual_root = trim_end(value, '/');
if (!ctx.cfg.virtual_root && (!strcmp(value, "/")))
ctx.cfg.virtual_root = "";
} else if (!strcmp(name, "nocache"))
ctx.cfg.nocache = atoi(value);
else if (!strcmp(name, "snapshots"))
ctx.cfg.snapshots = cgit_parse_snapshots_mask(value);
else if (!strcmp(name, "enable-index-links"))
ctx.cfg.enable_index_links = atoi(value);
else if (!strcmp(name, "enable-log-filecount"))
ctx.cfg.enable_log_filecount = atoi(value);
else if (!strcmp(name, "enable-log-linecount"))
ctx.cfg.enable_log_linecount = atoi(value);
else if (!strcmp(name, "cache-root"))
ctx.cfg.cache_root = xstrdup(value);
else if (!strcmp(name, "cache-root-ttl"))
ctx.cfg.cache_root_ttl = atoi(value);
else if (!strcmp(name, "cache-repo-ttl"))
ctx.cfg.cache_repo_ttl = atoi(value);
else if (!strcmp(name, "cache-static-ttl"))
ctx.cfg.cache_static_ttl = atoi(value);
else if (!strcmp(name, "cache-dynamic-ttl"))
ctx.cfg.cache_dynamic_ttl = atoi(value);
else if (!strcmp(name, "max-message-length"))
ctx.cfg.max_msg_len = atoi(value);
else if (!strcmp(name, "max-repodesc-length"))
ctx.cfg.max_repodesc_len = atoi(value);
else if (!strcmp(name, "max-commit-count"))
ctx.cfg.max_commit_count = atoi(value);
else if (!strcmp(name, "summary-log"))
ctx.cfg.summary_log = atoi(value);
else if (!strcmp(name, "summary-branches"))
ctx.cfg.summary_branches = atoi(value);
else if (!strcmp(name, "summary-tags"))
ctx.cfg.summary_tags = atoi(value);
else if (!strcmp(name, "agefile"))
ctx.cfg.agefile = xstrdup(value);
else if (!strcmp(name, "renamelimit"))
ctx.cfg.renamelimit = atoi(value);
else if (!strcmp(name, "robots"))
ctx.cfg.robots = xstrdup(value);
else if (!strcmp(name, "clone-prefix"))
ctx.cfg.clone_prefix = xstrdup(value);
else if (!strcmp(name, "repo.group"))
ctx.cfg.repo_group = xstrdup(value);
else if (!strcmp(name, "repo.url"))
ctx.repo = cgit_add_repo(value);
else if (!strcmp(name, "repo.name"))
ctx.repo->name = xstrdup(value);
else if (ctx.repo && !strcmp(name, "repo.path"))
ctx.repo->path = trim_end(value, '/');
else if (ctx.repo && !strcmp(name, "repo.clone-url"))
ctx.repo->clone_url = xstrdup(value);
else if (ctx.repo && !strcmp(name, "repo.desc"))
ctx.repo->desc = xstrdup(value);
else if (ctx.repo && !strcmp(name, "repo.owner"))
ctx.repo->owner = xstrdup(value);
else if (ctx.repo && !strcmp(name, "repo.defbranch"))
ctx.repo->defbranch = xstrdup(value);
else if (ctx.repo && !strcmp(name, "repo.snapshots"))
ctx.repo->snapshots = ctx.cfg.snapshots & cgit_parse_snapshots_mask(value); /* XXX: &? */
else if (ctx.repo && !strcmp(name, "repo.enable-log-filecount"))
ctx.repo->enable_log_filecount = ctx.cfg.enable_log_filecount * atoi(value);
else if (ctx.repo && !strcmp(name, "repo.enable-log-linecount"))
ctx.repo->enable_log_linecount = ctx.cfg.enable_log_linecount * atoi(value);
else if (ctx.repo && !strcmp(name, "repo.module-link"))
ctx.repo->module_link= xstrdup(value);
else if (ctx.repo && !strcmp(name, "repo.readme") && value != NULL) {
if (*value == '/')
ctx.repo->readme = xstrdup(value);
else
ctx.repo->readme = xstrdup(fmt("%s/%s", ctx.repo->path, value));
} else if (!strcmp(name, "include"))
cgit_read_config(value, config_cb);
}
static void querystring_cb(const char *name, const char *value)
{
if (!strcmp(name,"r")) {
ctx.qry.repo = xstrdup(value);
ctx.repo = cgit_get_repoinfo(value);
} else if (!strcmp(name, "p")) {
ctx.qry.page = xstrdup(value);
} else if (!strcmp(name, "url")) {
cgit_parse_url(value);
} else if (!strcmp(name, "qt")) {
ctx.qry.grep = xstrdup(value);
} else if (!strcmp(name, "q")) {
ctx.qry.search = xstrdup(value);
} else if (!strcmp(name, "h")) {
ctx.qry.head = xstrdup(value);
ctx.qry.has_symref = 1;
} else if (!strcmp(name, "id")) {
ctx.qry.sha1 = xstrdup(value);
ctx.qry.has_sha1 = 1;
} else if (!strcmp(name, "id2")) {
ctx.qry.sha2 = xstrdup(value);
ctx.qry.has_sha1 = 1;
} else if (!strcmp(name, "ofs")) {
ctx.qry.ofs = atoi(value);
} else if (!strcmp(name, "path")) {
ctx.qry.path = trim_end(value, '/');
} else if (!strcmp(name, "name")) {
ctx.qry.name = xstrdup(value);
}
}
static void prepare_context(struct cgit_context *ctx)
{
memset(ctx, 0, sizeof(ctx));
ctx->cfg.agefile = "info/web/last-modified";
ctx->cfg.cache_dynamic_ttl = 5;
ctx->cfg.cache_max_create_time = 5;
ctx->cfg.cache_repo_ttl = 5;
ctx->cfg.cache_root = CGIT_CACHE_ROOT;
ctx->cfg.cache_root_ttl = 5;
ctx->cfg.cache_static_ttl = -1;
ctx->cfg.css = "/cgit.css";
ctx->cfg.logo = "/git-logo.png";
ctx->cfg.max_commit_count = 50;
ctx->cfg.max_lock_attempts = 5;
ctx->cfg.max_msg_len = 60;
ctx->cfg.max_repodesc_len = 60;
ctx->cfg.module_link = "./?repo=%s&page=commit&id=%s";
ctx->cfg.renamelimit = -1;
ctx->cfg.robots = "index, nofollow";
ctx->cfg.root_title = "Git repository browser";
ctx->cfg.script_name = CGIT_SCRIPT_NAME;
ctx->page.mimetype = "text/html";
ctx->page.charset = PAGE_ENCODING;
ctx->page.filename = NULL;
}
static int cgit_prepare_cache(struct cacheitem *item)
{
if (!ctx.repo && ctx.qry.repo) {
ctx.page.title = fmt("%s - %s", ctx.cfg.root_title,
"Bad request");
cgit_print_http_headers(&ctx);
cgit_print_docstart(&ctx);
cgit_print_pageheader(&ctx);
cgit_print_error(fmt("Unknown repo: %s", ctx.qry.repo));
cgit_print_docend();
return 0;
}
if (!ctx.repo) {
item->name = xstrdup(fmt("%s/index.html", ctx.cfg.cache_root));
item->ttl = ctx.cfg.cache_root_ttl;
return 1;
}
if (!cgit_cmd) {
item->name = xstrdup(fmt("%s/%s/index.%s.html", ctx.cfg.cache_root,
cache_safe_filename(ctx.repo->url),
cache_safe_filename(ctx.qry.raw)));
item->ttl = ctx.cfg.cache_repo_ttl;
} else {
item->name = xstrdup(fmt("%s/%s/%s/%s.html", ctx.cfg.cache_root,
cache_safe_filename(ctx.repo->url),
ctx.qry.page,
cache_safe_filename(ctx.qry.raw)));
if (ctx.qry.has_symref)
item->ttl = ctx.cfg.cache_dynamic_ttl;
else if (ctx.qry.has_sha1)
item->ttl = ctx.cfg.cache_static_ttl;
else
item->ttl = ctx.cfg.cache_repo_ttl;
}
return 1;
}
struct refmatch {
char *req_ref;
char *first_ref;
int match;
};
int find_current_ref(const char *refname, const unsigned char *sha1,
int flags, void *cb_data)
{
struct refmatch *info;
info = (struct refmatch *)cb_data;
if (!strcmp(refname, info->req_ref))
info->match = 1;
if (!info->first_ref)
info->first_ref = xstrdup(refname);
return info->match;
}
char *find_default_branch(struct cgit_repo *repo)
{
struct refmatch info;
info.req_ref = repo->defbranch;
info.first_ref = NULL;
info.match = 0;
for_each_branch_ref(find_current_ref, &info);
if (info.match)
return info.req_ref;
else
return info.first_ref;
}
static int prepare_repo_cmd(struct cgit_context *ctx)
{
char *tmp;
unsigned char sha1[20];
int nongit = 0;
setenv("GIT_DIR", ctx->repo->path, 1);
setup_git_directory_gently(&nongit);
if (nongit) {
ctx->page.title = fmt("%s - %s", ctx->cfg.root_title,
"config error");
tmp = fmt("Not a git repository: '%s'", ctx->repo->path);
ctx->repo = NULL;
cgit_print_http_headers(ctx);
cgit_print_docstart(ctx);
cgit_print_pageheader(ctx);
cgit_print_error(tmp);
cgit_print_docend();
return 1;
}
ctx->page.title = fmt("%s - %s", ctx->repo->name, ctx->repo->desc);
if (!ctx->qry.head) {
ctx->qry.head = xstrdup(find_default_branch(ctx->repo));
ctx->repo->defbranch = ctx->qry.head;
}
if (!ctx->qry.head) {
cgit_print_http_headers(ctx);
cgit_print_docstart(ctx);
cgit_print_pageheader(ctx);
cgit_print_error("Repository seems to be empty");
cgit_print_docend();
return 1;
}
if (get_sha1(ctx->qry.head, sha1)) {
tmp = xstrdup(ctx->qry.head);
ctx->qry.head = ctx->repo->defbranch;
cgit_print_http_headers(ctx);
cgit_print_docstart(ctx);
cgit_print_pageheader(ctx);
cgit_print_error(fmt("Invalid branch: %s", tmp));
cgit_print_docend();
return 1;
}
return 0;
}
static void process_request(struct cgit_context *ctx)
{
struct cgit_cmd *cmd;
cmd = cgit_get_cmd(ctx);
if (!cmd) {
ctx->page.title = "cgit error";
ctx->repo = NULL;
cgit_print_http_headers(ctx);
cgit_print_docstart(ctx);
cgit_print_pageheader(ctx);
cgit_print_error("Invalid request");
cgit_print_docend();
return;
}
if (cmd->want_repo && prepare_repo_cmd(ctx))
return;
if (cmd->want_layout) {
cgit_print_http_headers(ctx);
cgit_print_docstart(ctx);
cgit_print_pageheader(ctx);
}
cmd->fn(ctx);
if (cmd->want_layout)
cgit_print_docend();
}
static long ttl_seconds(long ttl)
{
if (ttl<0)
return 60 * 60 * 24 * 365;
else
return ttl * 60;
}
static void cgit_fill_cache(struct cacheitem *item, int use_cache)
{
int stdout2;
if (use_cache) {
stdout2 = chk_positive(dup(STDOUT_FILENO),
"Preserving STDOUT");
chk_zero(close(STDOUT_FILENO), "Closing STDOUT");
chk_positive(dup2(item->fd, STDOUT_FILENO), "Dup2(cachefile)");
}
ctx.page.modified = time(NULL);
ctx.page.expires = ctx.page.modified + ttl_seconds(item->ttl);
process_request(&ctx);
if (use_cache) {
chk_zero(close(STDOUT_FILENO), "Close redirected STDOUT");
chk_positive(dup2(stdout2, STDOUT_FILENO),
"Restoring original STDOUT");
chk_zero(close(stdout2), "Closing temporary STDOUT");
}
}
static void cgit_check_cache(struct cacheitem *item)
{
int i = 0;
top:
if (++i > ctx.cfg.max_lock_attempts) {
die("cgit_refresh_cache: unable to lock %s: %s",
item->name, strerror(errno));
}
if (!cache_exist(item)) {
if (!cache_lock(item)) {
sleep(1);
goto top;
}
if (!cache_exist(item)) {
cgit_fill_cache(item, 1);
cache_unlock(item);
} else {
cache_cancel_lock(item);
}
} else if (cache_expired(item) && cache_lock(item)) {
if (cache_expired(item)) {
cgit_fill_cache(item, 1);
cache_unlock(item);
} else {
cache_cancel_lock(item);
}
}
}
static void cgit_print_cache(struct cacheitem *item)
{
static char buf[4096];
ssize_t i;
int fd = open(item->name, O_RDONLY);
if (fd<0)
die("Unable to open cached file %s", item->name);
while((i=read(fd, buf, sizeof(buf))) > 0)
write(STDOUT_FILENO, buf, i);
close(fd);
}
static void cgit_parse_args(int argc, const char **argv)
{
int i;
for (i = 1; i < argc; i++) {
if (!strncmp(argv[i], "--cache=", 8)) {
diff --git a/shared.c b/shared.c
index cd60da5..48002ac 100644
--- a/shared.c
+++ b/shared.c
@@ -1,358 +1,356 @@
/* 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"
struct cgit_repolist cgit_repolist;
struct cgit_context ctx;
int cgit_cmd;
-const char *cgit_version = CGIT_VERSION;
-
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;
}
int chk_non_negative(int result, char *msg)
{
if (result < 0)
die("%s: %s",msg, strerror(errno));
return result;
}
struct cgit_repo *cgit_add_repo(const char *url)
{
struct cgit_repo *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 cgit_repo));
}
ret = &cgit_repolist.repos[cgit_repolist.count-1];
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->defbranch = "master";
ret->snapshots = ctx.cfg.snapshots;
ret->enable_log_filecount = ctx.cfg.enable_log_filecount;
ret->enable_log_linecount = ctx.cfg.enable_log_linecount;
ret->module_link = ctx.cfg.module_link;
ret->readme = NULL;
return ret;
}
struct cgit_repo *cgit_get_repoinfo(const char *url)
{
int i;
struct cgit_repo *repo;
for (i=0; i<cgit_repolist.count; i++) {
repo = &cgit_repolist.repos[i];
if (!strcmp(repo->url, url))
return repo;
}
return NULL;
}
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->msg);
free(info->msg_encoding);
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;
}
char *trim_end(const char *str, char c)
{
int len;
char *s, *t;
if (str == NULL)
return NULL;
t = (char *)str;
len = strlen(t);
while(len > 0 && t[len - 1] == c)
len--;
if (len == 0)
return NULL;
c = t[len];
t[len] = '\0';
s = xstrdup(t);
t[len] = c;
return s;
}
char *strlpart(char *txt, int maxlen)
{
char *result;
if (!txt)
return txt;
if (strlen(txt) <= maxlen)
return txt;
result = xmalloc(maxlen + 1);
memcpy(result, txt, maxlen - 3);
result[maxlen-1] = result[maxlen-2] = result[maxlen-3] = '.';
result[maxlen] = '\0';
return result;
}
char *strrpart(char *txt, int maxlen)
{
char *result;
if (!txt)
return txt;
if (strlen(txt) <= maxlen)
return txt;
result = xmalloc(maxlen + 1);
memcpy(result + 3, txt + strlen(txt) - maxlen + 4, maxlen - 3);
result[0] = result[1] = result[2] = '.';
return result;
}
void cgit_add_ref(struct reflist *list, struct refinfo *ref)
{
size_t size;
if (list->count >= list->alloc) {
list->alloc += (list->alloc ? list->alloc : 4);
size = list->alloc * sizeof(struct refinfo *);
list->refs = xrealloc(list->refs, size);
}
list->refs[list->count++] = ref;
}
struct refinfo *cgit_mk_refinfo(const char *refname, const unsigned char *sha1)
{
struct refinfo *ref;
ref = xmalloc(sizeof (struct refinfo));
ref->refname = xstrdup(refname);
ref->object = parse_object(sha1);
switch (ref->object->type) {
case OBJ_TAG:
ref->tag = cgit_parse_tag((struct tag *)ref->object);
break;
case OBJ_COMMIT:
ref->commit = cgit_parse_commit((struct commit *)ref->object);
break;
}
return ref;
}
int cgit_refs_cb(const char *refname, const unsigned char *sha1, int flags,
void *cb_data)
{
struct reflist *list = (struct reflist *)cb_data;
struct refinfo *info = cgit_mk_refinfo(refname, sha1);
if (info)
cgit_add_ref(list, info);
return 0;
}
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,
(unsigned long *)&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_params.find_func = NULL;
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, const char *prefix)
{
struct diff_options opt;
int ret;
int prefixlen;
diff_setup(&opt);
opt.output_format = DIFF_FORMAT_CALLBACK;
opt.detect_rename = 1;
opt.rename_limit = ctx.cfg.renamelimit;
DIFF_OPT_SET(&opt, RECURSIVE);
opt.format_callback = cgit_diff_tree_cb;
opt.format_callback_data = fn;
if (prefix) {
opt.nr_paths = 1;
opt.paths = &prefix;
prefixlen = strlen(prefix);
opt.pathlens = &prefixlen;
}
diff_setup_done(&opt);
if (old_sha1 && !is_null_sha1(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, NULL);
}
int cgit_parse_snapshots_mask(const char *str)
{
const struct cgit_snapshot_format *f;
static const char *delim = " \t,:/|;";
int tl, sl, rv = 0;
/* favor legacy setting */
if(atoi(str))
return 1;
for(;;) {
str += strspn(str,delim);
tl = strcspn(str,delim);
if (!tl)
break;
for (f = cgit_snapshot_formats; f->suffix; f++) {
sl = strlen(f->suffix);
if((tl == sl && !strncmp(f->suffix, str, tl)) ||
(tl == sl-1 && !strncmp(f->suffix+1, str, tl-1))) {
rv |= f->bit;
break;
}
}
str += tl;
}
return rv;
}