stagit-index.c (4970B)
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 9 #include <git2.h> 10 11 static git_repository *repo; 12 13 static const char *relpath = ""; 14 15 static char description[255] = "Repositories"; 16 static char *name = ""; 17 18 void 19 joinpath(char *buf, size_t bufsiz, const char *path, const char *path2) 20 { 21 int r; 22 23 r = snprintf(buf, bufsiz, "%s%s%s", 24 path, path[0] && path[strlen(path) - 1] != '/' ? "/" : "", path2); 25 if (r < 0 || (size_t)r >= bufsiz) 26 errx(1, "path truncated: '%s%s%s'", 27 path, path[0] && path[strlen(path) - 1] != '/' ? "/" : "", path2); 28 } 29 30 /* Escape characters below as HTML 2.0 / XML 1.0. */ 31 void 32 xmlencode(FILE *fp, const char *s, size_t len) 33 { 34 size_t i; 35 36 for (i = 0; *s && i < len; s++, i++) { 37 switch(*s) { 38 case '<': fputs("<", fp); break; 39 case '>': fputs(">", fp); break; 40 case '\'': fputs("'" , fp); break; 41 case '&': fputs("&", fp); break; 42 case '"': fputs(""", fp); break; 43 default: fputc(*s, fp); 44 } 45 } 46 } 47 48 void 49 printtimeshort(FILE *fp, const git_time *intime) 50 { 51 struct tm *intm; 52 time_t t; 53 char out[32]; 54 55 t = (time_t)intime->time; 56 if (!(intm = gmtime(&t))) 57 return; 58 strftime(out, sizeof(out), "%Y-%m-%d %H:%M", intm); 59 fputs(out, fp); 60 } 61 62 void 63 writeheader(FILE *fp) 64 { 65 fputs("<!DOCTYPE html>\n" 66 "<html>\n<head>\n" 67 "<meta name=\"viewport\" content=\"width=device-width, initial-scale=1\">\n" 68 "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\" />\n" 69 "<title>", fp); 70 xmlencode(fp, description, strlen(description)); 71 fprintf(fp, "</title>\n<link rel=\"icon\" type=\"image/png\" href=\"/favicon.png\" />\n"); 72 fprintf(fp, "<link rel=\"stylesheet\" type=\"text/css\" href=\"/style.css\" />\n"); 73 fputs("</head>\n<body>\n", fp); 74 fprintf(fp, "<table>\n<tr><td><a href=\"https://ybbond.dev\">" 75 "<img src=\"/ybbond.png\" alt=\"\" width=\"32\" height=\"32\" /></a></td>\n" 76 "<td><span class=\"desc\">"); 77 xmlencode(fp, description, strlen(description)); 78 fputs("</span></td></tr><tr><td></td><td>\n" 79 "</td></tr>\n</table>\n<hr/>\n<div id=\"content\">\n" 80 "<div id=\"table-scroll\"><table id=\"index\"><thead>\n" 81 "<tr><th>Name</th><th>Description</th>" 82 "<th>Last commit</th></tr>" 83 "</thead><tbody>\n", fp); 84 } 85 86 void 87 writefooter(FILE *fp) 88 { 89 fputs("</tbody>\n</table>\n</div>\n</div>\n</body>\n</html>\n", fp); 90 } 91 92 int 93 writelog(FILE *fp) 94 { 95 git_commit *commit = NULL; 96 const git_signature *author; 97 git_revwalk *w = NULL; 98 git_oid id; 99 char *stripped_name = NULL, *p; 100 int ret = 0; 101 102 git_revwalk_new(&w, repo); 103 git_revwalk_push_head(w); 104 git_revwalk_simplify_first_parent(w); 105 106 if (git_revwalk_next(&id, w) || 107 git_commit_lookup(&commit, repo, &id)) { 108 ret = -1; 109 goto err; 110 } 111 112 author = git_commit_author(commit); 113 114 /* strip .git suffix */ 115 if (!(stripped_name = strdup(name))) 116 err(1, "strdup"); 117 if ((p = strrchr(stripped_name, '.'))) 118 if (!strcmp(p, ".git")) 119 *p = '\0'; 120 121 fputs("<tr><td><a href=\"", fp); 122 xmlencode(fp, stripped_name, strlen(stripped_name)); 123 fputs("/index.html\">", fp); 124 xmlencode(fp, stripped_name, strlen(stripped_name)); 125 fputs("</a></td><td>", fp); 126 xmlencode(fp, description, strlen(description)); 127 fputs("</td><td>", fp); 128 if (author) 129 printtimeshort(fp, &(author->when)); 130 fputs("</td></tr>", fp); 131 132 git_commit_free(commit); 133 err: 134 git_revwalk_free(w); 135 free(stripped_name); 136 137 return ret; 138 } 139 140 int 141 main(int argc, char *argv[]) 142 { 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, "%s [repodir...]\n", argv[0]); 150 return 1; 151 } 152 153 git_libgit2_init(); 154 155 #ifdef __OpenBSD__ 156 for (i = 1; i < argc; i++) 157 if (unveil(argv[i], "r") == -1) 158 err(1, "unveil: %s", argv[i]); 159 160 if (pledge("stdio rpath", NULL) == -1) 161 err(1, "pledge"); 162 #endif 163 164 writeheader(stdout); 165 166 for (i = 1; i < argc; i++) { 167 repodir = argv[i]; 168 if (!realpath(repodir, repodirabs)) 169 err(1, "realpath"); 170 171 if (git_repository_open_ext(&repo, repodir, 172 GIT_REPOSITORY_OPEN_NO_SEARCH, NULL)) { 173 fprintf(stderr, "%s: cannot open repository\n", argv[0]); 174 ret = 1; 175 continue; 176 } 177 178 /* use directory name as name */ 179 if ((name = strrchr(repodirabs, '/'))) 180 name++; 181 else 182 name = ""; 183 184 /* read description or .git/description */ 185 joinpath(path, sizeof(path), repodir, "description"); 186 if (!(fp = fopen(path, "r"))) { 187 joinpath(path, sizeof(path), repodir, ".git/description"); 188 fp = fopen(path, "r"); 189 } 190 description[0] = '\0'; 191 if (fp) { 192 if (!fgets(description, sizeof(description), fp)) 193 description[0] = '\0'; 194 fclose(fp); 195 } 196 197 writelog(stdout); 198 } 199 writefooter(stdout); 200 201 /* cleanup */ 202 git_repository_free(repo); 203 git_libgit2_shutdown(); 204 205 return ret; 206 }