acidvegas/stagit
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stagit/stagit-index.c

221 lines
6.6 KiB
C
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#include <err.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include <git2.h>
static git_repository *repo;
static const char *relpath = "";
static char description[255] = "Acidvegas Repositories";
static char *name = "";
static char category[255];
/* Handle read or write errors for a FILE * stream */
void checkfileerror(FILE *fp, const char *name, int mode) {
if (mode == 'r' && ferror(fp))
errx(1, "read error: %s", name);
else if (mode == 'w' && (fflush(fp) || ferror(fp)))
errx(1, "write error: %s", name);
}
void joinpath(char *buf, size_t bufsiz, const char *path, const char *path2) {
int r;
r = snprintf(buf, bufsiz, "%s%s%s", path, path[0] && path[strlen(path) - 1] != '/' ? "/" : "", path2);
if (r < 0 || (size_t)r >= bufsiz)
errx(1, "path truncated: '%s%s%s'", path, path[0] && path[strlen(path) - 1] != '/' ? "/" : "", path2);
}
/* Percent-encode, see RFC3986 section 2.1. */
void percentencode(FILE *fp, const char *s, size_t len) {
static char tab[] = "0123456789ABCDEF";
unsigned char uc;
size_t i;
for (i = 0; *s && i < len; s++, i++) {
uc = *s;
/* NOTE: do not encode '/' for paths or ",-." */
if (uc < ',' || uc >= 127 || (uc >= ':' && uc <= '@') || uc == '[' || uc == ']') {
putc('%', fp);
putc(tab[(uc >> 4) & 0x0f], fp);
putc(tab[uc & 0x0f], fp);
} else {
putc(uc, fp);
}
}
}
/* Escape characters below as HTML 2.0 / XML 1.0. */
void xmlencode(FILE *fp, const char *s, size_t len) {
size_t i;
for (i = 0; *s && i < len; s++, i++) {
switch(*s) {
case '<': fputs("&lt;", fp); break;
case '>': fputs("&gt;", fp); break;
case '\'': fputs("&#39;" , fp); break;
case '&': fputs("&amp;", fp); break;
case '"': fputs("&quot;", fp); break;
default: putc(*s, fp);
}
}
}
void printtimeshort(FILE *fp, const git_time *intime) {
struct tm *intm;
time_t t;
char out[32];
t = (time_t)intime->time;
if (!(intm = gmtime(&t)))
return;
strftime(out, sizeof(out), "%Y-%m-%d", intm);
fputs(out, fp);
}
void writeheader(FILE *fp) {
fputs("<!DOCTYPE html>\n<meta charset=\"UTF-8\">\n<meta name=\"viewport\" content=\"width=device-width, initial-scale=1\">\n<title>", fp);
xmlencode(fp, description, strlen(description));
fputs("</title>\n<meta name=\"description\" content=\"acidvegas repositories\">\n"
"<meta name=\"keywords\" content=\"git, repositories, supernets, irc, python, stagit\">\n"
"<meta name=\"author\" content=\"acidvegas\">\n", fp);
fputs("<link rel=\"icon\" type=\"image/png\" href=\"/assets/favicon.png\">\n"
"<link rel=\"stylesheet\" type=\"text/css\" href=\"/assets/style.css\">\n", fp);
fputs("<center>\n<img src=\"/assets/acidvegas.png\"><br>\n<img src=\"/assets/mostdangerous.png\"><br><br>\n", fp);
fputs("<div class=\"container\">\n\t<center>\n\t<table>\n\t\t<tr><td>\n"
"<b>contact</b> : <a href=\"https://discord.gg/BCqRZZR\">discord</a> &bull; <a href=\"ircs://irc.supernets.org/superbowl\">irc</a> &bull; <a href=\"mailto://acid.vegas@acid.vegas\">mail</a> &bull; <a href=\"https://twitter.com/acidvegas\">twitter</a>\n"
"<br><b>mirrors</b> : <a href=\"https://github.com/acidvegas\">github</a> &bull; <a href=\"https://gitlab.com/acidvegas\">gitlab</a> &bull; <a href=\"https://git.supernets.org/acidvegas\">supernets</a>\n"
"\t\t</td></tr>\n\t</table>\n\t</center>\n</div>\n<br>\n", fp);
fputs("<div id=\"content\">\n\t<table id=\"index\">\n\t\t<thead>\n\t\t\t<tr><td>Name</td><td>Description</td><td>Last commit</td></tr>\n\t\t</thead>\n\t\t<tbody>", fp);
}
void writefooter(FILE *fp) {
fputs("\n\t\t</tbody>\n\t</table>\n</div>\n<div id=\"footer\">\n"
"\t&copy; 2023 acidvegas, inc &bull; generated with stagit\n"
"</div>\n</center>", fp);
}
int writelog(FILE *fp) {
git_commit *commit = NULL;
const git_signature *author;
git_revwalk *w = NULL;
git_oid id;
char *stripped_name = NULL, *p;
int ret = 0;
git_revwalk_new(&w, repo);
git_revwalk_push_head(w);
if (git_revwalk_next(&id, w) ||
git_commit_lookup(&commit, repo, &id)) {
ret = -1;
goto err;
}
author = git_commit_author(commit);
/* strip .git suffix */
if (!(stripped_name = strdup(name)))
err(1, "strdup");
if ((p = strrchr(stripped_name, '.')))
if (!strcmp(p, ".git"))
*p = '\0';
fputs("\n\t\t\t<tr class=\"item-repo\"><td><a href=\"", fp);
percentencode(fp, stripped_name, strlen(stripped_name));
fputs("/log.html\">", fp);
xmlencode(fp, stripped_name, strlen(stripped_name));
fputs("</a></td><td>", fp);
xmlencode(fp, description, strlen(description));
fputs("</td><td>", fp);
if (author)
printtimeshort(fp, &(author->when));
fputs("</td></tr>", fp);
git_commit_free(commit);
err:
git_revwalk_free(w);
free(stripped_name);
return ret;
}
int main(int argc, char *argv[]) {
FILE *fp;
char path[PATH_MAX], repodirabs[PATH_MAX + 1];
const char *repodir;
int i, ret = 0;
if (argc < 2) {
fprintf(stderr, "usage: %s [repodir...]\n", argv[0]);
return 1;
}
/* do not search outside the git repository:
GIT_CONFIG_LEVEL_APP is the highest level currently */
git_libgit2_init();
for (i = 1; i <= GIT_CONFIG_LEVEL_APP; i++)
git_libgit2_opts(GIT_OPT_SET_SEARCH_PATH, i, "");
/* do not require the git repository to be owned by the current user */
git_libgit2_opts(GIT_OPT_SET_OWNER_VALIDATION, 0);
#ifdef __OpenBSD__
if (pledge("stdio rpath", NULL) == -1)
err(1, "pledge");
#endif
writeheader(stdout);
for (i = 1; i < argc; i++) {
if (!strcmp(argv[i], "-c")) {
i++;
if (i == argc)
err(1, "missing argument");
repodir = argv[i];
fputs("\n\t\t\t<tr class=\"category\"><td colspan=\"3\">", stdout);
xmlencode(stdout, repodir, strlen(repodir));
fputs("</td></tr>", stdout);
continue;
}
repodir = argv[i];
if (!realpath(repodir, repodirabs))
err(1, "realpath");
if (git_repository_open_ext(&repo, repodir, GIT_REPOSITORY_OPEN_NO_SEARCH, NULL)) {
fprintf(stderr, "%s: cannot open repository\n", argv[0]);
ret = 1;
continue;
}
/* use directory name as name */
if ((name = strrchr(repodirabs, '/')))
name++;
else
name = "";
/* read description or .git/description */
joinpath(path, sizeof(path), repodir, "description");
if (!(fp = fopen(path, "r"))) {
joinpath(path, sizeof(path), repodir, ".git/description");
fp = fopen(path, "r");
}
description[0] = '\0';
if (fp) {
if (!fgets(description, sizeof(description), fp))
description[0] = '\0';
checkfileerror(fp, "description", 'r');
fclose(fp);
}
writelog(stdout);
}
writefooter(stdout);
/* cleanup */
git_repository_free(repo);
git_libgit2_shutdown();
checkfileerror(stdout, "<stdout>", 'w');
return ret;
}
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