| -rw-r--r-- | cgit.c | 3 | ||||
| -rw-r--r-- | cgit.h | 11 | ||||
| -rw-r--r-- | ui-diff.c | 14 |
3 files changed, 21 insertions, 7 deletions
@@ -1,251 +1,252 @@ /* 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" const char cgit_version[] = CGIT_VERSION; static struct repoinfo *cgit_get_repoinfo(char *url) { int i; struct repoinfo *repo; for (i=0; i<cgit_repolist.count; i++) { repo = &cgit_repolist.repos[i]; if (!strcmp(repo->url, url)) return repo; } return NULL; } static int cgit_prepare_cache(struct cacheitem *item) { if (!cgit_query_repo) { item->name = xstrdup(fmt("%s/index.html", cgit_cache_root)); item->ttl = cgit_cache_root_ttl; return 1; } cgit_repo = cgit_get_repoinfo(cgit_query_repo); if (!cgit_repo) { char *title = fmt("%s - %s", cgit_root_title, "Bad request"); cgit_print_docstart(title, item); cgit_print_pageheader(title, 0); cgit_print_error(fmt("Unknown repo: %s", cgit_query_repo)); cgit_print_docend(); return 0; } if (!cgit_query_page) { item->name = xstrdup(fmt("%s/%s/index.html", cgit_cache_root, cgit_repo->url)); item->ttl = cgit_cache_repo_ttl; } else { item->name = xstrdup(fmt("%s/%s/%s/%s.html", cgit_cache_root, cgit_repo->url, cgit_query_page, cache_safe_filename(cgit_querystring))); if (cgit_query_has_symref) item->ttl = cgit_cache_dynamic_ttl; else if (cgit_query_has_sha1) item->ttl = cgit_cache_static_ttl; else item->ttl = cgit_cache_repo_ttl; } return 1; } static void cgit_print_repo_page(struct cacheitem *item) { char *title; int show_search; if (!cgit_query_head) cgit_query_head = cgit_repo->defbranch; if (chdir(cgit_repo->path)) { title = fmt("%s - %s", cgit_root_title, "Bad request"); cgit_print_docstart(title, item); cgit_print_pageheader(title, 0); cgit_print_error(fmt("Unable to scan repository: %s", strerror(errno))); cgit_print_docend(); return; } title = fmt("%s - %s", cgit_repo->name, cgit_repo->desc); show_search = 0; setenv("GIT_DIR", cgit_repo->path, 1); if (cgit_query_page) { if (cgit_repo->snapshots && !strcmp(cgit_query_page, "snapshot")) { cgit_print_snapshot(item, cgit_query_sha1, "zip", cgit_repo->url, cgit_query_name); return; } if (!strcmp(cgit_query_page, "blob")) { cgit_print_blob(item, cgit_query_sha1, cgit_query_path); return; } } if (cgit_query_page && !strcmp(cgit_query_page, "log")) show_search = 1; cgit_print_docstart(title, item); if (!cgit_query_page) { cgit_print_pageheader("summary", show_search); cgit_print_summary(); cgit_print_docend(); return; } cgit_print_pageheader(cgit_query_page, show_search); if (!strcmp(cgit_query_page, "log")) { cgit_print_log(cgit_query_head, cgit_query_ofs, cgit_max_commit_count, cgit_query_search, cgit_query_path); } else if (!strcmp(cgit_query_page, "tree")) { cgit_print_tree(cgit_query_head, cgit_query_sha1, cgit_query_path); } else if (!strcmp(cgit_query_page, "commit")) { cgit_print_commit(cgit_query_head); } else if (!strcmp(cgit_query_page, "view")) { cgit_print_view(cgit_query_sha1, cgit_query_path); } else if (!strcmp(cgit_query_page, "diff")) { - cgit_print_diff(cgit_query_sha1, cgit_query_sha2, cgit_query_path); + cgit_print_diff(cgit_query_head, cgit_query_sha1, cgit_query_sha2, + cgit_query_path); } else { cgit_print_error("Invalid request"); } cgit_print_docend(); } static void cgit_fill_cache(struct cacheitem *item, int use_cache) { static char buf[PATH_MAX]; int stdout2; getcwd(buf, sizeof(buf)); item->st.st_mtime = time(NULL); 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)"); } if (cgit_query_repo) cgit_print_repo_page(item); else cgit_print_repolist(item); 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"); } chdir(buf); } static void cgit_check_cache(struct cacheitem *item) { int i = 0; top: if (++i > cgit_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)) { cgit_cache_root = xstrdup(argv[i]+8); } if (!strcmp(argv[i], "--nocache")) { cgit_nocache = 1; } if (!strncmp(argv[i], "--query=", 8)) { cgit_querystring = xstrdup(argv[i]+8); } if (!strncmp(argv[i], "--repo=", 7)) { cgit_query_repo = xstrdup(argv[i]+7); } if (!strncmp(argv[i], "--page=", 7)) { cgit_query_page = xstrdup(argv[i]+7); } if (!strncmp(argv[i], "--head=", 7)) { cgit_query_head = xstrdup(argv[i]+7); cgit_query_has_symref = 1; } if (!strncmp(argv[i], "--sha1=", 7)) { cgit_query_sha1 = xstrdup(argv[i]+7); cgit_query_has_sha1 = 1; } if (!strncmp(argv[i], "--ofs=", 6)) { cgit_query_ofs = atoi(argv[i]+6); } } } int main(int argc, const char **argv) { struct cacheitem item; htmlfd = STDOUT_FILENO; item.st.st_mtime = time(NULL); cgit_repolist.length = 0; cgit_repolist.count = 0; cgit_repolist.repos = NULL; cgit_read_config(CGIT_CONFIG, cgit_global_config_cb); if (getenv("SCRIPT_NAME")) cgit_script_name = xstrdup(getenv("SCRIPT_NAME")); @@ -32,153 +32,154 @@ struct cacheitem { struct repoinfo { char *url; char *name; char *path; char *desc; char *owner; char *defbranch; char *module_link; int snapshots; }; struct repolist { int length; int count; struct repoinfo *repos; }; struct commitinfo { struct commit *commit; char *author; char *author_email; unsigned long author_date; char *committer; char *committer_email; unsigned long committer_date; char *subject; char *msg; }; struct taginfo { char *tagger; char *tagger_email; int tagger_date; char *msg; }; extern const char cgit_version[]; extern struct repolist cgit_repolist; extern struct repoinfo *cgit_repo; extern char *cgit_root_title; extern char *cgit_css; extern char *cgit_logo; extern char *cgit_logo_link; extern char *cgit_module_link; extern char *cgit_virtual_root; extern char *cgit_script_name; extern char *cgit_cache_root; extern int cgit_nocache; extern int cgit_snapshots; extern int cgit_max_lock_attempts; extern int cgit_cache_root_ttl; extern int cgit_cache_repo_ttl; extern int cgit_cache_dynamic_ttl; extern int cgit_cache_static_ttl; extern int cgit_cache_max_create_time; extern int cgit_max_msg_len; extern int cgit_max_commit_count; extern char *cgit_repo_name; extern char *cgit_repo_desc; extern char *cgit_repo_owner; extern int cgit_query_has_symref; extern int cgit_query_has_sha1; extern char *cgit_querystring; extern char *cgit_query_repo; extern char *cgit_query_page; extern char *cgit_query_search; extern char *cgit_query_head; extern char *cgit_query_sha1; extern char *cgit_query_sha2; extern char *cgit_query_path; extern char *cgit_query_name; extern int cgit_query_ofs; extern int htmlfd; extern void cgit_global_config_cb(const char *name, const char *value); extern void cgit_repo_config_cb(const char *name, const char *value); extern void cgit_querystring_cb(const char *name, const char *value); extern int chk_zero(int result, char *msg); extern int chk_positive(int result, char *msg); extern int hextoint(char c); extern void *cgit_free_commitinfo(struct commitinfo *info); extern int cgit_diff_files(const unsigned char *old_sha1, const unsigned char *new_sha1, linediff_fn fn); extern void cgit_diff_tree(const unsigned char *old_sha1, const unsigned char *new_sha1, filepair_fn fn); extern void cgit_diff_commit(struct commit *commit, filepair_fn fn); extern char *fmt(const char *format,...); extern void html(const char *txt); extern void htmlf(const char *format,...); extern void html_txt(char *txt); extern void html_ntxt(int len, char *txt); extern void html_attr(char *txt); extern void html_hidden(char *name, char *value); extern void html_link_open(char *url, char *title, char *class); extern void html_link_close(void); extern void html_filemode(unsigned short mode); extern int cgit_read_config(const char *filename, configfn fn); extern int cgit_parse_query(char *txt, configfn fn); extern struct commitinfo *cgit_parse_commit(struct commit *commit); extern struct taginfo *cgit_parse_tag(struct tag *tag); extern char *cache_safe_filename(const char *unsafe); extern int cache_lock(struct cacheitem *item); extern int cache_unlock(struct cacheitem *item); extern int cache_cancel_lock(struct cacheitem *item); extern int cache_exist(struct cacheitem *item); extern int cache_expired(struct cacheitem *item); extern char *cgit_repourl(const char *reponame); -extern char *cgit_pageurl(const char *reponame, const char *pagename, +extern char *cgit_pageurl(const char *reponame, const char *pagename, const char *query); extern void cgit_print_error(char *msg); extern void cgit_print_date(unsigned long secs); extern void cgit_print_docstart(char *title, struct cacheitem *item); extern void cgit_print_docend(); extern void cgit_print_pageheader(char *title, int show_search); -extern void cgit_print_snapshot_start(const char *mimetype, - const char *filename, +extern void cgit_print_snapshot_start(const char *mimetype, + const char *filename, struct cacheitem *item); extern void cgit_print_repolist(struct cacheitem *item); extern void cgit_print_summary(); extern void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *path); extern void cgit_print_view(const char *hex, char *path); extern void cgit_print_blob(struct cacheitem *item, const char *hex, char *path); extern void cgit_print_tree(const char *rev, const char *hex, char *path); extern void cgit_print_commit(const char *hex); -extern void cgit_print_diff(const char *old_hex, const char *new_hex, char *path); -extern void cgit_print_snapshot(struct cacheitem *item, const char *hex, +extern void cgit_print_diff(const char *head, const char *old_hex, const char *new_hex, + char *path); +extern void cgit_print_snapshot(struct cacheitem *item, const char *hex, const char *format, const char *prefix, const char *filename); #endif /* CGIT_H */ @@ -1,105 +1,117 @@ /* ui-diff.c: show diff between two blobs * * Copyright (C) 2006 Lars Hjemli * * Licensed under GNU General Public License v2 * (see COPYING for full license text) */ #include "cgit.h" /* * print a single line returned from xdiff */ static void print_line(char *line, int len) { char *class = "ctx"; char c = line[len-1]; if (line[0] == '+') class = "add"; else if (line[0] == '-') class = "del"; else if (line[0] == '@') class = "hunk"; htmlf("<div class='%s'>", class); line[len-1] = '\0'; html_txt(line); html("</div>"); line[len-1] = c; } static void header(unsigned char *sha1, char *path1, unsigned char *sha2, char *path2) { char *abbrev1, *abbrev2; if (is_null_sha1(sha1)) path1 = "dev/null"; if (is_null_sha1(sha2)) path2 = "dev/null"; html("<tr><td>"); html("<div class='head'>"); html("diff --git a/"); html_txt(path1); html(" b/"); html_txt(path2); abbrev1 = xstrdup(find_unique_abbrev(sha1, DEFAULT_ABBREV)); abbrev2 = xstrdup(find_unique_abbrev(sha2, DEFAULT_ABBREV)); htmlf("\nindex %s..%s", abbrev1, abbrev2); free(abbrev1); free(abbrev2); html("\n--- a/"); html_txt(path1); html("\n+++ b/"); html_txt(path2); html("</div>"); } static void filepair_cb(struct diff_filepair *pair) { header(pair->one->sha1, pair->one->path, pair->two->sha1, pair->two->path); if (cgit_diff_files(pair->one->sha1, pair->two->sha1, print_line)) cgit_print_error("Error running diff"); html("</tr></td>"); } -void cgit_print_diff(const char *old_hex, const char *new_hex, char *path) +void cgit_print_diff(const char *head, const char *old_hex, const char *new_hex, char *path) { unsigned char sha1[20], sha2[20]; enum object_type type; unsigned long size; + struct commit *commit; + + if (head && !old_hex && !new_hex) { + get_sha1(head, sha1); + commit = lookup_commit_reference(sha1); + if (commit && !parse_commit(commit)) { + html("<table class='diff'>"); + cgit_diff_commit(commit, filepair_cb); + html("</td></tr></table>"); + } + return; + } get_sha1(old_hex, sha1); get_sha1(new_hex, sha2); type = sha1_object_info(sha1, &size); if (type == OBJ_BAD) { type = sha1_object_info(sha2, &size); if (type == OBJ_BAD) { cgit_print_error(fmt("Bad object names: %s, %s", old_hex, new_hex)); return; } } html("<table class='diff'>"); switch(type) { case OBJ_BLOB: html("<tr><td>"); header(sha1, path, sha2, path); if (cgit_diff_files(sha1, sha2, print_line)) cgit_print_error("Error running diff"); html("</tr></td>"); break; case OBJ_TREE: cgit_diff_tree(sha1, sha2, filepair_cb); break; default: cgit_print_error(fmt("Unhandled object type: %s", typename(type))); break; } html("</td></tr></table>"); } |