| -rw-r--r-- | cgit.c | 1 | ||||
| -rw-r--r-- | cgit.h | 1 | ||||
| -rw-r--r-- | cmd.c | 2 | ||||
| -rw-r--r-- | ui-snapshot.c | 94 | ||||
| -rw-r--r-- | ui-snapshot.h | 2 |
5 files changed, 85 insertions, 15 deletions
@@ -65,384 +65,385 @@ void config_cb(const char *name, const char *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-repo-count")) ctx.cfg.max_repo_count = 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, "local-time")) ctx.cfg.local_time = atoi(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")) parse_configfile(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")) { ctx.qry.url = xstrdup(value); 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); } else if (!strcmp(name, "mimetype")) { ctx.qry.mimetype = xstrdup(value); } } static void prepare_context(struct cgit_context *ctx) { memset(ctx, 0, sizeof(ctx)); ctx->cfg.agefile = "info/web/last-modified"; ctx->cfg.nocache = 0; ctx->cfg.cache_size = 0; 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.local_time = 0; ctx->cfg.max_repo_count = 50; ctx->cfg.max_commit_count = 50; ctx->cfg.max_lock_attempts = 5; ctx->cfg.max_msg_len = 80; ctx->cfg.max_repodesc_len = 80; 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.root_desc = "a fast webinterface for the git dscm"; ctx->cfg.script_name = CGIT_SCRIPT_NAME; ctx->cfg.summary_branches = 10; ctx->cfg.summary_log = 10; ctx->cfg.summary_tags = 10; ctx->page.mimetype = "text/html"; ctx->page.charset = PAGE_ENCODING; ctx->page.filename = NULL; ctx->page.size = 0; ctx->page.modified = time(NULL); ctx->page.expires = ctx->page.modified; } 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; char *ref; info.req_ref = repo->defbranch; info.first_ref = NULL; info.match = 0; for_each_branch_ref(find_current_ref, &info); if (info.match) ref = info.req_ref; else ref = info.first_ref; if (ref) ref = xstrdup(ref); return 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.nohead = 1; ctx->qry.head = 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(void *cbdata) { struct cgit_context *ctx = cbdata; 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 && !ctx->repo) { cgit_print_http_headers(ctx); cgit_print_docstart(ctx); cgit_print_pageheader(ctx); cgit_print_error(fmt("No repository selected")); cgit_print_docend(); return; } if (ctx->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(); } int cmp_repos(const void *a, const void *b) { const struct cgit_repo *ra = a, *rb = b; return strcmp(ra->url, rb->url); } void print_repo(struct cgit_repo *repo) { printf("repo.url=%s\n", repo->url); printf("repo.name=%s\n", repo->name); printf("repo.path=%s\n", repo->path); if (repo->owner) printf("repo.owner=%s\n", repo->owner); if (repo->desc) printf("repo.desc=%s\n", repo->desc); if (repo->readme) printf("repo.readme=%s\n", repo->readme); printf("\n"); } void print_repolist(struct cgit_repolist *list) { int i; for(i = 0; i < list->count; i++) print_repo(&list->repos[i]); } static void cgit_parse_args(int argc, const char **argv) { int i; int scan = 0; for (i = 1; i < argc; i++) { if (!strncmp(argv[i], "--cache=", 8)) { ctx.cfg.cache_root = xstrdup(argv[i]+8); } if (!strcmp(argv[i], "--nocache")) { ctx.cfg.nocache = 1; } if (!strncmp(argv[i], "--query=", 8)) { ctx.qry.raw = xstrdup(argv[i]+8); } if (!strncmp(argv[i], "--repo=", 7)) { ctx.qry.repo = xstrdup(argv[i]+7); } if (!strncmp(argv[i], "--page=", 7)) { ctx.qry.page = xstrdup(argv[i]+7); } if (!strncmp(argv[i], "--head=", 7)) { ctx.qry.head = xstrdup(argv[i]+7); ctx.qry.has_symref = 1; } if (!strncmp(argv[i], "--sha1=", 7)) { ctx.qry.sha1 = xstrdup(argv[i]+7); ctx.qry.has_sha1 = 1; } if (!strncmp(argv[i], "--ofs=", 6)) { ctx.qry.ofs = atoi(argv[i]+6); } if (!strncmp(argv[i], "--scan-tree=", 12)) { scan++; scan_tree(argv[i] + 12); } } if (scan) { qsort(cgit_repolist.repos, cgit_repolist.count, sizeof(struct cgit_repo), cmp_repos); print_repolist(&cgit_repolist); exit(0); } } static int calc_ttl() { if (!ctx.repo) return ctx.cfg.cache_root_ttl; if (!ctx.qry.page) return ctx.cfg.cache_repo_ttl; if (ctx.qry.has_symref) return ctx.cfg.cache_dynamic_ttl; if (ctx.qry.has_sha1) return ctx.cfg.cache_static_ttl; return ctx.cfg.cache_repo_ttl; } int main(int argc, const char **argv) { const char *cgit_config_env = getenv("CGIT_CONFIG"); const char *path; char *qry; int err, ttl; prepare_context(&ctx); cgit_repolist.length = 0; cgit_repolist.count = 0; cgit_repolist.repos = NULL; if (getenv("SCRIPT_NAME")) ctx.cfg.script_name = xstrdup(getenv("SCRIPT_NAME")); if (getenv("QUERY_STRING")) ctx.qry.raw = xstrdup(getenv("QUERY_STRING")); cgit_parse_args(argc, argv); parse_configfile(cgit_config_env ? cgit_config_env : CGIT_CONFIG, config_cb); ctx.repo = NULL; http_parse_querystring(ctx.qry.raw, querystring_cb); /* If virtual-root isn't specified in cgitrc and no url * parameter is specified on the querystring, lets pretend * that virtualroot equals SCRIPT_NAME and use PATH_INFO as * url. This allows cgit to work with virtual urls without * the need for rewriterules in the webserver (as long as * PATH_INFO is included in the cache lookup key). */ if (!ctx.cfg.virtual_root && !ctx.qry.url) { ctx.cfg.virtual_root = ctx.cfg.script_name; path = getenv("PATH_INFO"); if (path) { if (path[0] == '/') @@ -1,242 +1,243 @@ #ifndef CGIT_H #define CGIT_H #include <git-compat-util.h> #include <cache.h> #include <grep.h> #include <object.h> #include <tree.h> #include <commit.h> #include <tag.h> #include <diff.h> #include <diffcore.h> #include <refs.h> #include <revision.h> #include <log-tree.h> #include <archive.h> #include <xdiff/xdiff.h> #include <utf8.h> /* * Dateformats used on misc. pages */ #define FMT_LONGDATE "%Y-%m-%d %H:%M:%S (%Z)" #define FMT_SHORTDATE "%Y-%m-%d" #define FMT_ATOMDATE "%Y-%m-%dT%H:%M:%SZ" /* * Limits used for relative dates */ #define TM_MIN 60 #define TM_HOUR (TM_MIN * 60) #define TM_DAY (TM_HOUR * 24) #define TM_WEEK (TM_DAY * 7) #define TM_YEAR (TM_DAY * 365) #define TM_MONTH (TM_YEAR / 12.0) /* * Default encoding */ #define PAGE_ENCODING "UTF-8" typedef void (*configfn)(const char *name, const char *value); typedef void (*filepair_fn)(struct diff_filepair *pair); typedef void (*linediff_fn)(char *line, int len); struct cgit_repo { char *url; char *name; char *path; char *desc; char *owner; char *defbranch; char *group; char *module_link; char *readme; char *clone_url; int snapshots; int enable_log_filecount; int enable_log_linecount; }; struct cgit_repolist { int length; int count; struct cgit_repo *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; char *msg_encoding; }; struct taginfo { char *tagger; char *tagger_email; unsigned long tagger_date; char *msg; }; struct refinfo { const char *refname; struct object *object; union { struct taginfo *tag; struct commitinfo *commit; }; }; struct reflist { struct refinfo **refs; int alloc; int count; }; struct cgit_query { int has_symref; int has_sha1; char *raw; char *repo; char *page; char *search; char *grep; char *head; char *sha1; char *sha2; char *path; char *name; char *mimetype; char *url; int ofs; + int nohead; }; struct cgit_config { char *agefile; char *cache_root; char *clone_prefix; char *css; char *favicon; char *footer; char *index_header; char *index_info; char *logo; char *logo_link; char *module_link; char *repo_group; char *robots; char *root_title; char *root_desc; char *root_readme; char *script_name; char *virtual_root; int cache_size; int cache_dynamic_ttl; int cache_max_create_time; int cache_repo_ttl; int cache_root_ttl; int cache_static_ttl; int enable_index_links; int enable_log_filecount; int enable_log_linecount; int local_time; int max_repo_count; int max_commit_count; int max_lock_attempts; int max_msg_len; int max_repodesc_len; int nocache; int renamelimit; int snapshots; int summary_branches; int summary_log; int summary_tags; }; struct cgit_page { time_t modified; time_t expires; size_t size; char *mimetype; char *charset; char *filename; char *title; }; struct cgit_context { struct cgit_query qry; struct cgit_config cfg; struct cgit_repo *repo; struct cgit_page page; }; struct cgit_snapshot_format { const char *suffix; const char *mimetype; write_archive_fn_t write_func; int bit; }; extern const char *cgit_version; extern struct cgit_repolist cgit_repolist; extern struct cgit_context ctx; extern const struct cgit_snapshot_format cgit_snapshot_formats[]; extern struct cgit_repo *cgit_add_repo(const char *url); extern struct cgit_repo *cgit_get_repoinfo(const char *url); extern void cgit_repo_config_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 chk_non_negative(int result, char *msg); extern char *trim_end(const char *str, char c); extern char *strlpart(char *txt, int maxlen); extern char *strrpart(char *txt, int maxlen); extern void cgit_add_ref(struct reflist *list, struct refinfo *ref); extern int cgit_refs_cb(const char *refname, const unsigned char *sha1, int flags, void *cb_data); 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, const char *prefix); extern void cgit_diff_commit(struct commit *commit, filepair_fn fn); extern char *fmt(const char *format,...); extern struct commitinfo *cgit_parse_commit(struct commit *commit); extern struct taginfo *cgit_parse_tag(struct tag *tag); extern void cgit_parse_url(const char *url); extern const char *cgit_repobasename(const char *reponame); extern int cgit_parse_snapshots_mask(const char *str); /* libgit.a either links against or compiles its own implementation of * strcasestr(), and we'd like to reuse it. Simply re-declaring it * seems to do the trick. */ extern char *strcasestr(const char *haystack, const char *needle); #endif /* CGIT_H */ @@ -1,165 +1,165 @@ /* cmd.c: the cgit command dispatcher * * Copyright (C) 2008 Lars Hjemli * * Licensed under GNU General Public License v2 * (see COPYING for full license text) */ #include "cgit.h" #include "cmd.h" #include "cache.h" #include "ui-shared.h" #include "ui-atom.h" #include "ui-blob.h" #include "ui-clone.h" #include "ui-commit.h" #include "ui-diff.h" #include "ui-log.h" #include "ui-patch.h" #include "ui-plain.h" #include "ui-refs.h" #include "ui-repolist.h" #include "ui-snapshot.h" #include "ui-summary.h" #include "ui-tag.h" #include "ui-tree.h" static void HEAD_fn(struct cgit_context *ctx) { cgit_clone_head(ctx); } static void atom_fn(struct cgit_context *ctx) { cgit_print_atom(ctx->qry.head, ctx->qry.path, 10); } static void about_fn(struct cgit_context *ctx) { if (ctx->repo) cgit_print_repo_readme(); else cgit_print_site_readme(); } static void blob_fn(struct cgit_context *ctx) { cgit_print_blob(ctx->qry.sha1, ctx->qry.path, ctx->qry.head); } static void commit_fn(struct cgit_context *ctx) { cgit_print_commit(ctx->qry.sha1); } static void diff_fn(struct cgit_context *ctx) { cgit_print_diff(ctx->qry.sha1, ctx->qry.sha2, ctx->qry.path); } static void info_fn(struct cgit_context *ctx) { cgit_clone_info(ctx); } static void log_fn(struct cgit_context *ctx) { cgit_print_log(ctx->qry.sha1, ctx->qry.ofs, ctx->cfg.max_commit_count, ctx->qry.grep, ctx->qry.search, ctx->qry.path, 1); } static void ls_cache_fn(struct cgit_context *ctx) { ctx->page.mimetype = "text/plain"; ctx->page.filename = "ls-cache.txt"; cgit_print_http_headers(ctx); cache_ls(ctx->cfg.cache_root); } static void objects_fn(struct cgit_context *ctx) { cgit_clone_objects(ctx); } static void repolist_fn(struct cgit_context *ctx) { cgit_print_repolist(); } static void patch_fn(struct cgit_context *ctx) { cgit_print_patch(ctx->qry.sha1); } static void plain_fn(struct cgit_context *ctx) { cgit_print_plain(ctx); } static void refs_fn(struct cgit_context *ctx) { cgit_print_refs(); } static void snapshot_fn(struct cgit_context *ctx) { cgit_print_snapshot(ctx->qry.head, ctx->qry.sha1, cgit_repobasename(ctx->repo->url), ctx->qry.path, - ctx->repo->snapshots); + ctx->repo->snapshots, ctx->qry.nohead); } static void summary_fn(struct cgit_context *ctx) { cgit_print_summary(); } static void tag_fn(struct cgit_context *ctx) { cgit_print_tag(ctx->qry.sha1); } static void tree_fn(struct cgit_context *ctx) { cgit_print_tree(ctx->qry.sha1, ctx->qry.path); } #define def_cmd(name, want_repo, want_layout) \ {#name, name##_fn, want_repo, want_layout} struct cgit_cmd *cgit_get_cmd(struct cgit_context *ctx) { static struct cgit_cmd cmds[] = { def_cmd(HEAD, 1, 0), def_cmd(atom, 1, 0), def_cmd(about, 0, 1), def_cmd(blob, 1, 0), def_cmd(commit, 1, 1), def_cmd(diff, 1, 1), def_cmd(info, 1, 0), def_cmd(log, 1, 1), def_cmd(ls_cache, 0, 0), def_cmd(objects, 1, 0), def_cmd(patch, 1, 0), def_cmd(plain, 1, 0), def_cmd(refs, 1, 1), def_cmd(repolist, 0, 0), def_cmd(snapshot, 1, 0), def_cmd(summary, 1, 1), def_cmd(tag, 1, 1), def_cmd(tree, 1, 1), }; int i; if (ctx->qry.page == NULL) { if (ctx->repo) ctx->qry.page = "summary"; else ctx->qry.page = "repolist"; } for(i = 0; i < sizeof(cmds)/sizeof(*cmds); i++) if (!strcmp(ctx->qry.page, cmds[i].name)) return &cmds[i]; return NULL; } diff --git a/ui-snapshot.c b/ui-snapshot.c index 7a597ff..9c4d086 100644 --- a/ui-snapshot.c +++ b/ui-snapshot.c @@ -1,120 +1,188 @@ /* ui-snapshot.c: generate snapshot of a commit * * Copyright (C) 2006 Lars Hjemli * * Licensed under GNU General Public License v2 * (see COPYING for full license text) */ #include "cgit.h" #include "html.h" #include "ui-shared.h" static int write_compressed_tar_archive(struct archiver_args *args,const char *filter) { int rw[2]; pid_t gzpid; int stdout2; int status; int rv; stdout2 = chk_non_negative(dup(STDIN_FILENO), "Preserving STDOUT before compressing"); chk_zero(pipe(rw), "Opening pipe from compressor subprocess"); gzpid = chk_non_negative(fork(), "Forking compressor subprocess"); if(gzpid==0) { /* child */ chk_zero(close(rw[1]), "Closing write end of pipe in child"); chk_zero(close(STDIN_FILENO), "Closing STDIN"); chk_non_negative(dup2(rw[0],STDIN_FILENO), "Redirecting compressor input to stdin"); execlp(filter,filter,NULL); _exit(-1); } /* parent */ chk_zero(close(rw[0]), "Closing read end of pipe"); chk_non_negative(dup2(rw[1],STDOUT_FILENO), "Redirecting output to compressor"); rv = write_tar_archive(args); chk_zero(close(STDOUT_FILENO), "Closing STDOUT redirected to compressor"); chk_non_negative(dup2(stdout2,STDOUT_FILENO), "Restoring uncompressed STDOUT"); chk_zero(close(stdout2), "Closing uncompressed STDOUT"); chk_zero(close(rw[1]), "Closing write end of pipe in parent"); chk_positive(waitpid(gzpid,&status,0), "Waiting on compressor process"); if(! ( WIFEXITED(status) && WEXITSTATUS(status)==0 ) ) cgit_print_error("Failed to compress archive"); return rv; } static int write_tar_gzip_archive(struct archiver_args *args) { return write_compressed_tar_archive(args,"gzip"); } static int write_tar_bzip2_archive(struct archiver_args *args) { return write_compressed_tar_archive(args,"bzip2"); } const struct cgit_snapshot_format cgit_snapshot_formats[] = { { ".zip", "application/x-zip", write_zip_archive, 0x1 }, { ".tar.gz", "application/x-tar", write_tar_gzip_archive, 0x2 }, { ".tar.bz2", "application/x-tar", write_tar_bzip2_archive, 0x4 }, { ".tar", "application/x-tar", write_tar_archive, 0x8 }, {} }; +static const struct cgit_snapshot_format *get_format(const char *filename) +{ + const struct cgit_snapshot_format *fmt; + int fl, sl; + + fl = strlen(filename); + for(fmt = cgit_snapshot_formats; fmt->suffix; fmt++) { + sl = strlen(fmt->suffix); + if (sl >= fl) + continue; + if (!strcmp(fmt->suffix, filename + fl - sl)) + return fmt; + } + return NULL; +} + static int make_snapshot(const struct cgit_snapshot_format *format, const char *hex, const char *prefix, const char *filename) { struct archiver_args args; struct commit *commit; unsigned char sha1[20]; if(get_sha1(hex, sha1)) { cgit_print_error(fmt("Bad object id: %s", hex)); return 1; } commit = lookup_commit_reference(sha1); if(!commit) { cgit_print_error(fmt("Not a commit reference: %s", hex)); return 1; } memset(&args, 0, sizeof(args)); if (prefix) { args.base = fmt("%s/", prefix); args.baselen = strlen(prefix) + 1; } else { args.base = ""; args.baselen = 0; } args.tree = commit->tree; args.time = commit->date; ctx.page.mimetype = xstrdup(format->mimetype); ctx.page.filename = xstrdup(filename); cgit_print_http_headers(&ctx); format->write_func(&args); return 0; } +char *dwim_filename = NULL; +const char *dwim_refname = NULL; + +static int ref_cb(const char *refname, const unsigned char *sha1, int flags, + void *cb_data) +{ + const char *r = refname; + while (r && *r) { + fprintf(stderr, " cmp %s with %s:", dwim_filename, r); + if (!strcmp(dwim_filename, r)) { + fprintf(stderr, "MATCH!\n"); + dwim_refname = refname; + return 1; + } + fprintf(stderr, "no match\n"); + if (isdigit(*r)) + break; + r++; + } + return 0; +} + +/* Try to guess the requested revision by combining repo name and tag name + * and comparing this to the requested snapshot name. E.g. the requested + * snapshot is "cgit-0.7.2.tar.gz" while repo name is "cgit" and tag name + * is "v0.7.2". First, the reponame is stripped off, leaving "-0.7.2.tar.gz". + * Next, any '-' and '_' characters are stripped, leaving "0.7.2.tar.gz". + * Finally, the requested format suffix is removed and we end up with "0.7.2". + * Then we test each tag against this dwimmed filename, and for each tag + * we even try to remove any leading characters which are non-digits. I.e. + * we first compare with "v0.7.2", then with "0.7.2" and we've got a match. + */ +static const char *get_ref_from_filename(const char *url, const char *filename, + const struct cgit_snapshot_format *fmt) +{ + const char *reponame = cgit_repobasename(url); + fprintf(stderr, "reponame=%s, filename=%s\n", reponame, filename); + if (prefixcmp(filename, reponame)) + return NULL; + filename += strlen(reponame); + while (filename && (*filename == '-' || *filename == '_')) + filename++; + dwim_filename = xstrdup(filename); + dwim_filename[strlen(filename) - strlen(fmt->suffix)] = '\0'; + for_each_tag_ref(ref_cb, NULL); + return dwim_refname; +} + void cgit_print_snapshot(const char *head, const char *hex, const char *prefix, - const char *filename, int snapshots) + const char *filename, int snapshots, int dwim) { const struct cgit_snapshot_format* f; - int sl, fnl; - fnl = strlen(filename); - if (!hex) - hex = head; - for (f = cgit_snapshot_formats; f->suffix; f++) { - if (!(snapshots & f->bit)) - continue; - sl = strlen(f->suffix); - if(fnl < sl || strcmp(&filename[fnl-sl], f->suffix)) - continue; - make_snapshot(f, hex, prefix, filename); + f = get_format(filename); + if (!f) { + ctx.page.mimetype = "text/html"; + cgit_print_http_headers(&ctx); + cgit_print_docstart(&ctx); + cgit_print_pageheader(&ctx); + cgit_print_error(fmt("Unsupported snapshot format: %s", filename)); + cgit_print_docend(); return; } - cgit_print_error(fmt("Unsupported snapshot format: %s", filename)); + + if (!hex && dwim) + hex = get_ref_from_filename(ctx.repo->url, filename, f); + + if (!hex) + hex = head; + + make_snapshot(f, hex, prefix, filename); } diff --git a/ui-snapshot.h b/ui-snapshot.h index 6e03761..3540303 100644 --- a/ui-snapshot.h +++ b/ui-snapshot.h @@ -1,8 +1,8 @@ #ifndef UI_SNAPSHOT_H #define UI_SNAPSHOT_H extern void cgit_print_snapshot(const char *head, const char *hex, const char *prefix, const char *filename, - int snapshot); + int snapshot, int dwim); #endif /* UI_SNAPSHOT_H */ |