stagit- static git page generator |
| git clone git://git.acid.vegas/stagit.git |
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stagit-index.c (6722B)
1 #include <err.h> 2 #include <limits.h> 3 #include <stdio.h> 4 #include <stdlib.h> 5 #include <string.h> 6 #include <time.h> 7 #include <unistd.h> 8 #include <git2.h> 9 10 static git_repository *repo; 11 static const char *relpath = ""; 12 static char description[255] = "Acidvegas Repositories"; 13 static char *name = ""; 14 static char category[255]; 15 16 /* Handle read or write errors for a FILE * stream */ 17 void checkfileerror(FILE *fp, const char *name, int mode) { 18 if (mode == 'r' && ferror(fp)) 19 errx(1, "read error: %s", name); 20 else if (mode == 'w' && (fflush(fp) || ferror(fp))) 21 errx(1, "write error: %s", name); 22 } 23 24 void joinpath(char *buf, size_t bufsiz, const char *path, const char *path2) { 25 int r; 26 r = snprintf(buf, bufsiz, "%s%s%s", path, path[0] && path[strlen(path) - 1] != '/' ? "/" : "", path2); 27 if (r < 0 || (size_t)r >= bufsiz) 28 errx(1, "path truncated: '%s%s%s'", path, path[0] && path[strlen(path) - 1] != '/' ? "/" : "", path2); 29 } 30 31 /* Percent-encode, see RFC3986 section 2.1. */ 32 void percentencode(FILE *fp, const char *s, size_t len) { 33 static char tab[] = "0123456789ABCDEF"; 34 unsigned char uc; 35 size_t i; 36 for (i = 0; *s && i < len; s++, i++) { 37 uc = *s; 38 /* NOTE: do not encode '/' for paths or ",-." */ 39 if (uc < ',' || uc >= 127 || (uc >= ':' && uc <= '@') || uc == '[' || uc == ']') { 40 putc('%', fp); 41 putc(tab[(uc >> 4) & 0x0f], fp); 42 putc(tab[uc & 0x0f], fp); 43 } else { 44 putc(uc, fp); 45 } 46 } 47 } 48 49 /* Escape characters below as HTML 2.0 / XML 1.0. */ 50 void xmlencode(FILE *fp, const char *s, size_t len) { 51 size_t i; 52 for (i = 0; *s && i < len; s++, i++) { 53 switch(*s) { 54 case '<': fputs("<", fp); break; 55 case '>': fputs(">", fp); break; 56 case '\'': fputs("'" , fp); break; 57 case '&': fputs("&", fp); break; 58 case '"': fputs(""", fp); break; 59 default: putc(*s, fp); 60 } 61 } 62 } 63 64 void printtimeshort(FILE *fp, const git_time *intime) { 65 struct tm *intm; 66 time_t t; 67 char out[32]; 68 t = (time_t)intime->time; 69 if (!(intm = gmtime(&t))) 70 return; 71 strftime(out, sizeof(out), "%Y-%m-%d", intm); 72 fputs(out, fp); 73 } 74 75 void writeheader(FILE *fp) { 76 fputs("<!DOCTYPE html>\n<meta charset=\"UTF-8\">\n<meta name=\"viewport\" content=\"width=device-width, initial-scale=1\">\n<title>", fp); 77 xmlencode(fp, description, strlen(description)); 78 fputs("</title>\n<meta name=\"description\" content=\"acidvegas repositories\">\n" 79 "<meta name=\"keywords\" content=\"git, repositories, supernets, irc, python, stagit\">\n" 80 "<meta name=\"author\" content=\"acidvegas\">\n", fp); 81 fputs("<link rel=\"icon\" type=\"image/png\" href=\"/assets/favicon.png\">\n" 82 "<link rel=\"stylesheet\" type=\"text/css\" href=\"/assets/style.css\">\n", fp); 83 fputs("<center>\n<img src=\"/assets/acidvegas.png\"><br>\n<img src=\"/assets/mostdangerous.png\"><br><br>\n", fp); 84 fputs("<div class=\"container\">\n\t<center>\n\t<table>\n\t\t<tr><td>\n" 85 "<b>contact</b> : <a href=\"https://discord.gg/BCqRZZR\">discord</a> • <a href=\"ircs://irc.supernets.org/superbowl\">irc</a> • <a href=\"mailto://acid.vegas@acid.vegas\">mail</a> • <a href=\"https://twitter.com/acidvegas\">twitter</a>\n" 86 "<br><b>mirrors</b> : <a href=\"https://github.com/acidvegas\">github</a> • <a href=\"https://gitlab.com/acidvegas\">gitlab</a> • <a href=\"https://git.supernets.org/acidvegas\">supernets</a>\n" 87 "\t\t</td></tr>\n\t</table>\n\t</center>\n</div>\n<br>\n", fp); 88 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); 89 } 90 91 void writefooter(FILE *fp) { 92 fputs("\n\t\t</tbody>\n\t</table>\n</div>\n<div id=\"footer\">\n" 93 "\t© 2023 acidvegas, inc • generated with stagit\n" 94 "</div>\n</center>", fp); 95 } 96 97 int writelog(FILE *fp) { 98 git_commit *commit = NULL; 99 const git_signature *author; 100 git_revwalk *w = NULL; 101 git_oid id; 102 char *stripped_name = NULL, *p; 103 int ret = 0; 104 105 git_revwalk_new(&w, repo); 106 git_revwalk_push_head(w); 107 108 if (git_revwalk_next(&id, w) || 109 git_commit_lookup(&commit, repo, &id)) { 110 ret = -1; 111 goto err; 112 } 113 114 author = git_commit_author(commit); 115 116 /* strip .git suffix */ 117 if (!(stripped_name = strdup(name))) 118 err(1, "strdup"); 119 if ((p = strrchr(stripped_name, '.'))) 120 if (!strcmp(p, ".git")) 121 *p = '\0'; 122 123 fputs("\n\t\t\t<tr class=\"item-repo\"><td><a href=\"", fp); 124 percentencode(fp, stripped_name, strlen(stripped_name)); 125 fputs("/log.html\">", fp); 126 xmlencode(fp, stripped_name, strlen(stripped_name)); 127 fputs("</a></td><td>", fp); 128 xmlencode(fp, description, strlen(description)); 129 fputs("</td><td>", fp); 130 if (author) 131 printtimeshort(fp, &(author->when)); 132 fputs("</td></tr>", fp); 133 134 git_commit_free(commit); 135 err: 136 git_revwalk_free(w); 137 free(stripped_name); 138 139 return ret; 140 } 141 142 int main(int argc, char *argv[]) { 143 FILE *fp; 144 char path[PATH_MAX], repodirabs[PATH_MAX + 1]; 145 const char *repodir; 146 int i, ret = 0; 147 148 if (argc < 2) { 149 fprintf(stderr, "usage: %s [repodir...]\n", argv[0]); 150 return 1; 151 } 152 153 /* do not search outside the git repository: 154 GIT_CONFIG_LEVEL_APP is the highest level currently */ 155 git_libgit2_init(); 156 for (i = 1; i <= GIT_CONFIG_LEVEL_APP; i++) 157 git_libgit2_opts(GIT_OPT_SET_SEARCH_PATH, i, ""); 158 /* do not require the git repository to be owned by the current user */ 159 git_libgit2_opts(GIT_OPT_SET_OWNER_VALIDATION, 0); 160 161 #ifdef __OpenBSD__ 162 if (pledge("stdio rpath", NULL) == -1) 163 err(1, "pledge"); 164 #endif 165 166 writeheader(stdout); 167 168 for (i = 1; i < argc; i++) { 169 if (!strcmp(argv[i], "-c")) { 170 i++; 171 if (i == argc) 172 err(1, "missing argument"); 173 repodir = argv[i]; 174 fputs("\n\t\t\t<tr class=\"category\"><td colspan=\"3\">", stdout); 175 xmlencode(stdout, repodir, strlen(repodir)); 176 fputs("</td></tr>", stdout); 177 continue; 178 } 179 180 repodir = argv[i]; 181 if (!realpath(repodir, repodirabs)) 182 err(1, "realpath"); 183 184 if (git_repository_open_ext(&repo, repodir, GIT_REPOSITORY_OPEN_NO_SEARCH, NULL)) { 185 fprintf(stderr, "%s: cannot open repository\n", argv[0]); 186 ret = 1; 187 continue; 188 } 189 190 /* use directory name as name */ 191 if ((name = strrchr(repodirabs, '/'))) 192 name++; 193 else 194 name = ""; 195 196 /* read description or .git/description */ 197 joinpath(path, sizeof(path), repodir, "description"); 198 if (!(fp = fopen(path, "r"))) { 199 joinpath(path, sizeof(path), repodir, ".git/description"); 200 fp = fopen(path, "r"); 201 } 202 description[0] = '\0'; 203 if (fp) { 204 if (!fgets(description, sizeof(description), fp)) 205 description[0] = '\0'; 206 checkfileerror(fp, "description", 'r'); 207 fclose(fp); 208 } 209 writelog(stdout); 210 } 211 writefooter(stdout); 212 213 /* cleanup */ 214 git_repository_free(repo); 215 git_libgit2_shutdown(); 216 217 checkfileerror(stdout, "<stdout>", 'w'); 218 219 return ret; 220 }