neocgit

a more 'modern' version of cgit
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commit 93397a765b9d9af11b7d10c114406e303ea4fb1c
parent e154edd8078020d6eba41b448afade0a68617f35
Author: Lars Hjemli <hjemli@gmail.com>
Date:   Mon, 15 Sep 2008 00:07:12 +0200

Add support for --scan-tree=<path> option to cgit

This option makes cgit scan a directory tree looking for git repositories,
generating suitable definitions for a cgitrc file on stdout.

Signed-off-by: Lars Hjemli <hjemli@gmail.com>

Diffstat:
MMakefile | 1+
Mcgit.c | 47++++++++++++++++++++++++++++++++++++++++++++---
Ascan-tree.c | 136+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Ascan-tree.h | 3+++
4 files changed, 184 insertions(+), 3 deletions(-)

diff --git a/Makefile b/Makefile @@ -54,6 +54,7 @@ OBJECTS += cmd.o OBJECTS += configfile.o OBJECTS += html.o OBJECTS += parsing.o +OBJECTS += scan-tree.o OBJECTS += shared.o OBJECTS += ui-atom.o OBJECTS += ui-blob.o diff --git a/cgit.c b/cgit.c @@ -12,6 +12,7 @@ #include "configfile.h" #include "html.h" #include "ui-shared.h" +#include "scan-tree.h" const char *cgit_version = CGIT_VERSION; @@ -320,9 +321,39 @@ static void process_request(void *cbdata) 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)) { @@ -351,6 +382,16 @@ static void cgit_parse_args(int argc, const char **argv) 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); } } @@ -383,14 +424,14 @@ int main(int argc, const char **argv) cgit_repolist.count = 0; cgit_repolist.repos = NULL; - parse_configfile(cgit_config_env ? cgit_config_env : CGIT_CONFIG, - config_cb); - ctx.repo = 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 diff --git a/scan-tree.c b/scan-tree.c @@ -0,0 +1,136 @@ +#include "cgit.h" +#include "html.h" + +#define MAX_PATH 4096 + +/* return 1 if path contains a objects/ directory and a HEAD file */ +static int is_git_dir(const char *path) +{ + struct stat st; + static char buf[MAX_PATH]; + + if (snprintf(buf, MAX_PATH, "%s/objects", path) >= MAX_PATH) { + fprintf(stderr, "Insanely long path: %s\n", path); + return 0; + } + if (stat(buf, &st)) { + if (errno != ENOENT) + fprintf(stderr, "Error checking path %s: %s (%d)\n", + path, strerror(errno), errno); + return 0; + } + if (!S_ISDIR(st.st_mode)) + return 0; + + sprintf(buf, "%s/HEAD", path); + if (stat(buf, &st)) { + if (errno != ENOENT) + fprintf(stderr, "Error checking path %s: %s (%d)\n", + path, strerror(errno), errno); + return 0; + } + if (!S_ISREG(st.st_mode)) + return 0; + + return 1; +} + +char *readfile(const char *path) +{ + FILE *f; + static char buf[MAX_PATH]; + + if (!(f = fopen(path, "r"))) + return NULL; + fgets(buf, MAX_PATH, f); + fclose(f); + return buf; +} + +static void add_repo(const char *base, const char *path) +{ + struct cgit_repo *repo; + struct stat st; + struct passwd *pwd; + char *p; + + if (stat(path, &st)) { + fprintf(stderr, "Error accessing %s: %s (%d)\n", + path, strerror(errno), errno); + return; + } + if ((pwd = getpwuid(st.st_uid)) == NULL) { + fprintf(stderr, "Error reading owner-info for %s: %s (%d)\n", + path, strerror(errno), errno); + return; + } + if (base == path) + p = fmt("%s", path); + else + p = fmt("%s", path + strlen(base) + 1); + + if (!strcmp(p + strlen(p) - 5, "/.git")) + p[strlen(p) - 5] = '\0'; + + repo = cgit_add_repo(xstrdup(p)); + repo->name = repo->url; + repo->path = xstrdup(path); + repo->owner = (pwd ? xstrdup(pwd->pw_gecos ? pwd->pw_gecos : pwd->pw_name) : ""); + + p = fmt("%s/description", path); + if (!stat(p, &st)) + repo->desc = xstrdup(readfile(p)); + + p = fmt("%s/README.html", path); + if (!stat(p, &st)) + repo->readme = "README.html"; +} + +static void scan_path(const char *base, const char *path) +{ + DIR *dir; + struct dirent *ent; + char *buf; + struct stat st; + + if (is_git_dir(path)) { + add_repo(base, path); + return; + } + dir = opendir(path); + if (!dir) { + fprintf(stderr, "Error opening directory %s: %s (%d)\n", + path, strerror(errno), errno); + return; + } + while((ent = readdir(dir)) != NULL) { + if (ent->d_name[0] == '.') { + if (ent->d_name[1] == '\0') + continue; + if (ent->d_name[1] == '.' && ent->d_name[2] == '\0') + continue; + } + buf = malloc(strlen(path) + strlen(ent->d_name) + 2); + if (!buf) { + fprintf(stderr, "Alloc error on %s: %s (%d)\n", + path, strerror(errno), errno); + exit(1); + } + sprintf(buf, "%s/%s", path, ent->d_name); + if (stat(buf, &st)) { + fprintf(stderr, "Error checking path %s: %s (%d)\n", + buf, strerror(errno), errno); + free(buf); + continue; + } + if (S_ISDIR(st.st_mode)) + scan_path(base, buf); + free(buf); + } + closedir(dir); +} + +void scan_tree(const char *path) +{ + scan_path(path, path); +} diff --git a/scan-tree.h b/scan-tree.h @@ -0,0 +1,3 @@ + + +extern void scan_tree(const char *path);