--- /dev/null
+#include <sys/stat.h>
+
+#include <err.h>
+#include <errno.h>
+#include <inttypes.h>
+#include <libgen.h>
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "config.h"
+#include "git2.h"
+
+struct commitinfo {
+ const git_oid *id;
+
+ char oid[GIT_OID_HEXSZ + 1];
+ char parentoid[GIT_OID_HEXSZ + 1];
+
+ const git_signature *author;
+ const char *summary;
+ const char *msg;
+
+ git_diff_stats *stats;
+ git_diff *diff;
+ git_commit *commit;
+ git_commit *parent;
+ git_tree *commit_tree;
+ git_tree *parent_tree;
+
+ size_t addcount;
+ size_t delcount;
+ size_t filecount;
+};
+
+static git_repository *repo;
+
+static const char *relpath = "";
+static const char *repodir;
+
+static char description[255] = "Repositories";
+static char name[255];
+static char owner[255];
+
+void
+commitinfo_free(struct commitinfo *ci)
+{
+ if (!ci)
+ return;
+
+ git_diff_stats_free(ci->stats);
+ git_diff_free(ci->diff);
+ git_tree_free(ci->commit_tree);
+ git_tree_free(ci->parent_tree);
+ git_commit_free(ci->commit);
+}
+
+struct commitinfo *
+commitinfo_getbyoid(const git_oid *id)
+{
+ struct commitinfo *ci;
+ git_diff_options opts;
+ int error;
+
+ if (!(ci = calloc(1, sizeof(struct commitinfo))))
+ err(1, "calloc");
+
+ ci->id = id;
+ if (git_commit_lookup(&(ci->commit), repo, id))
+ goto err;
+
+ /* TODO: show tags when commit has it */
+ git_oid_tostr(ci->oid, sizeof(ci->oid), git_commit_id(ci->commit));
+ git_oid_tostr(ci->parentoid, sizeof(ci->parentoid), git_commit_parent_id(ci->commit, 0));
+
+ ci->author = git_commit_author(ci->commit);
+ ci->summary = git_commit_summary(ci->commit);
+ ci->msg = git_commit_message(ci->commit);
+
+ if ((error = git_commit_tree(&(ci->commit_tree), ci->commit)))
+ goto err; /* TODO: handle error */
+ if (!(error = git_commit_parent(&(ci->parent), ci->commit, 0))) {
+ if ((error = git_commit_tree(&(ci->parent_tree), ci->parent)))
+ goto err;
+ } else {
+ ci->parent = NULL;
+ ci->parent_tree = NULL;
+ }
+
+ git_diff_init_options(&opts, GIT_DIFF_OPTIONS_VERSION);
+ opts.flags |= GIT_DIFF_DISABLE_PATHSPEC_MATCH;
+ if ((error = git_diff_tree_to_tree(&(ci->diff), repo, ci->parent_tree, ci->commit_tree, &opts)))
+ goto err;
+ if (git_diff_get_stats(&(ci->stats), ci->diff))
+ goto err;
+
+ ci->addcount = git_diff_stats_insertions(ci->stats);
+ ci->delcount = git_diff_stats_deletions(ci->stats);
+ ci->filecount = git_diff_stats_files_changed(ci->stats);
+
+ /* TODO: show tag when commit has it */
+
+ return ci;
+
+err:
+ commitinfo_free(ci);
+ free(ci);
+
+ return NULL;
+}
+
+FILE *
+efopen(const char *name, const char *flags)
+{
+ FILE *fp;
+
+ if (!(fp = fopen(name, flags)))
+ err(1, "fopen");
+
+ return 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("<", fp); break;
+ case '>': fputs(">", fp); break;
+ case '\'': fputs("'", fp); break;
+ case '&': fputs("&", fp); break;
+ case '"': fputs(""", fp); break;
+ default: fputc(*s, fp);
+ }
+ }
+}
+
+/* Some implementations of basename(3) return a pointer to a static
+ * internal buffer (OpenBSD). Others modify the contents of `path` (POSIX).
+ * This is a wrapper function that is compatible with both versions.
+ * The program will error out if basename(3) failed, this can only happen
+ * with the OpenBSD version. */
+char *
+xbasename(const char *path)
+{
+ char *p, *b;
+
+ if (!(p = strdup(path)))
+ err(1, "strdup");
+ if (!(b = basename(p)))
+ err(1, "basename");
+ if (!(b = strdup(b)))
+ err(1, "strdup");
+ free(p);
+
+ return b;
+}
+
+void
+printtimeformat(FILE *fp, const git_time *intime, const char *fmt)
+{
+ struct tm *intm;
+ time_t t;
+ char out[32];
+
+ t = (time_t) intime->time + (intime->offset * 60);
+ intm = gmtime(&t);
+ strftime(out, sizeof(out), fmt, intm);
+ fputs(out, fp);
+}
+
+void
+printtimeshort(FILE *fp, const git_time *intime)
+{
+ printtimeformat(fp, intime, "%Y-%m-%d %H:%M");
+}
+
+int
+writeheader(FILE *fp)
+{
+ fputs("<!DOCTYPE HTML>"
+ "<html dir=\"ltr\" lang=\"en\">\n<head>\n"
+ "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\" />\n"
+ "<meta http-equiv=\"Content-Language\" content=\"en\" />\n<title>", fp);
+ xmlencode(fp, description, strlen(description));
+ fprintf(fp, "</title>\n<link rel=\"icon\" type=\"image/png\" href=\"%sfavicon.png\" />\n", relpath);
+ fprintf(fp, "<link rel=\"stylesheet\" type=\"text/css\" href=\"%sstyle.css\" />\n", relpath);
+ fputs("</head>\n<body>\n\n", fp);
+ fprintf(fp, "<table>\n<tr><td><img src=\"%slogo.png\" alt=\"\" width=\"32\" height=\"32\" /></td>\n"
+ "<td><h1>%s</h1><span class=\"desc\">%s</span></td></tr><tr><td></td><td>\n",
+ relpath, name, description);
+ fputs("</td></tr>\n</table>\n<hr/><div id=\"content\">\n"
+ "<table><thead>\n"
+ "<tr><td>Name</td><td>Description</td><td>Owner</td><td>Last commit</td></tr>"
+ "</thead><tbody>\n", fp);
+
+ return 0;
+}
+
+int
+writefooter(FILE *fp)
+{
+ return !fputs("</tbody></table></div></body>\n</html>", fp);
+}
+
+int
+writelog(FILE *fp)
+{
+ struct commitinfo *ci;
+ git_revwalk *w = NULL;
+ git_oid id;
+ int ret = 0;
+
+ git_revwalk_new(&w, repo);
+ git_revwalk_push_head(w);
+ git_revwalk_sorting(w, GIT_SORT_TIME);
+ git_revwalk_simplify_first_parent(w);
+
+ if (git_revwalk_next(&id, w) ||
+ !(ci = commitinfo_getbyoid(&id))) {
+ ret = -1;
+ goto err;
+ }
+
+ fputs("<tr><td><a href=\"", fp);
+ xmlencode(fp, name, strlen(name));
+ fputs("/log.html\">", fp);
+ xmlencode(fp, name, strlen(name));
+ fputs("</a></td><td>", fp);
+ xmlencode(fp, description, strlen(description));
+ fputs("</td><td>", fp);
+ xmlencode(fp, owner, strlen(owner));
+ fputs("</td><td>", fp);
+ if (ci->author)
+ printtimeshort(fp, &(ci->author->when));
+ fputs("</td></tr>", fp);
+
+err:
+ git_revwalk_free(w);
+
+ return ret;
+}
+
+int
+main(int argc, char *argv[])
+{
+ const git_error *e = NULL;
+ FILE *fp;
+ char path[PATH_MAX], *p;
+ int status;
+ size_t i;
+
+ if (argc < 2) {
+ fprintf(stderr, "%s [repodir...]\n", argv[0]);
+ return 1;
+ }
+ git_libgit2_init();
+
+ writeheader(stdout);
+
+ for (i = 1; i < argc; i++) {
+ repodir = argv[i];
+
+ if ((status = git_repository_open_ext(&repo, repodir,
+ GIT_REPOSITORY_OPEN_NO_SEARCH, NULL)) < 0) {
+ e = giterr_last();
+ fprintf(stderr, "error %d/%d: %s\n", status, e->klass, e->message);
+ return status;
+ }
+
+ /* use directory name as name */
+ p = xbasename(repodir);
+ snprintf(name, sizeof(name), "%s", p);
+ free(p);
+
+ /* read description or .git/description */
+ description[0] = '\0';
+ snprintf(path, sizeof(path), "%s%s%s",
+ repodir, repodir[strlen(repodir)] == '/' ? "" : "/", "description");
+ if (!(fp = fopen(path, "r"))) {
+ snprintf(path, sizeof(path), "%s%s%s",
+ repodir, repodir[strlen(repodir)] == '/' ? "" : "/", ".git/description");
+ fp = fopen(path, "r");
+ }
+ if (fp) {
+ if (!fgets(description, sizeof(description), fp))
+ description[0] = '\0';
+ fclose(fp);
+ }
+
+ /* read owner or .git/owner */
+ owner[0] = '\0';
+ snprintf(path, sizeof(path), "%s%s%s",
+ repodir, repodir[strlen(repodir)] == '/' ? "" : "/", "owner");
+ if (!(fp = fopen(path, "r"))) {
+ snprintf(path, sizeof(path), "%s%s%s",
+ repodir, repodir[strlen(repodir)] == '/' ? "" : "/", ".git/owner");
+ fp = fopen(path, "r");
+ }
+ if (fp) {
+ if (!fgets(owner, sizeof(owner), fp))
+ owner[0] = '\0';
+ fclose(fp);
+ }
+ writelog(stdout);
+ }
+ writefooter(stdout);
+
+ /* cleanup */
+ git_repository_free(repo);
+ git_libgit2_shutdown();
+
+ return 0;
+}
projects / stagit.git / commitdiff