621 lines
15 KiB
C
621 lines
15 KiB
C
#include <sys/stat.h>
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#include <err.h>
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#include <inttypes.h>
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#include <libgen.h>
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#include <limits.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "git2.h"
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static git_repository *repo;
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static const char *relpath = "";
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static const char *repodir;
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static char name[255];
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static char description[255];
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static int hasreadme, haslicense;
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int
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writeheader(FILE *fp)
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{
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fputs("<!DOCTYPE HTML>"
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"<html dir=\"ltr\" lang=\"en\"><head>"
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"<meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\" />"
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"<meta http-equiv=\"Content-Language\" content=\"en\" />", fp);
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fprintf(fp, "<title>%s%s%s</title>", name, description[0] ? " - " : "", description);
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fprintf(fp, "<link rel=\"icon\" type=\"image/png\" href=\"%sfavicon.png\" />", relpath);
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fprintf(fp, "<link rel=\"alternate\" type=\"application/atom+xml\" title=\"%s Atom Feed\" href=\"%satom.xml\" />",
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name, relpath);
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fprintf(fp, "<link rel=\"stylesheet\" type=\"text/css\" href=\"style.css\" />"
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"</head><body><center>");
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fprintf(fp, "<h1><img src=\"%slogo.png\" alt=\"\" /> %s</h1>", relpath, name);
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fprintf(fp, "<span class=\"desc\">%s</span><br/>", description);
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fprintf(fp, "<a href=\"%slog.html\">Log</a> |", relpath);
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fprintf(fp, "<a href=\"%sfiles.html\">Files</a> | ", relpath);
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fprintf(fp, "<a href=\"%sstats.html\">Stats</a>", relpath);
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if (hasreadme)
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fprintf(fp, " | <a href=\"%sreadme.html\">README</a>", relpath);
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if (haslicense)
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fprintf(fp, " | <a href=\"%slicense.html\">LICENSE</a>", relpath);
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fputs("</center><hr/><pre>", fp);
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return 0;
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}
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int
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writefooter(FILE *fp)
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{
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return !fputs("</pre></body></html>", fp);
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}
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FILE *
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efopen(const char *name, const char *flags)
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{
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FILE *fp;
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if (!(fp = fopen(name, flags)))
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err(1, "fopen");
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return fp;
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}
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/* Escape characters below as HTML 2.0 / XML 1.0. */
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void
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xmlencode(FILE *fp, const char *s, size_t len)
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{
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size_t i;
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for (i = 0; *s && i < len; s++, i++) {
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switch(*s) {
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case '<': fputs("<", fp); break;
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case '>': fputs(">", fp); break;
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case '\'': fputs("'", fp); break;
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case '&': fputs("&", fp); break;
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case '"': fputs(""", fp); break;
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default: fputc(*s, fp);
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}
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}
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}
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/* Some implementations of basename(3) return a pointer to a static
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* internal buffer (OpenBSD). Others modify the contents of `path` (POSIX).
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* This is a wrapper function that is compatible with both versions.
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* The program will error out if basename(3) failed, this can only happen
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* with the OpenBSD version. */
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char *
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xbasename(const char *path)
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{
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char *p, *b;
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if (!(p = strdup(path)))
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err(1, "strdup");
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if (!(b = basename(p)))
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err(1, "basename");
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if (!(b = strdup(b)))
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err(1, "strdup");
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free(p);
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return b;
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}
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void
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printtimez(FILE *fp, const git_time *intime)
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{
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struct tm *intm;
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time_t t;
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int offset, hours, minutes;
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char sign, out[32];
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offset = intime->offset;
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if (offset < 0) {
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sign = '-';
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offset = -offset;
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} else {
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sign = '+';
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}
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hours = offset / 60;
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minutes = offset % 60;
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t = (time_t) intime->time + (intime->offset * 60);
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intm = gmtime(&t);
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strftime(out, sizeof(out), "%Y-%m-%dT%H:%M:%SZ", intm);
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fputs(out, fp);
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}
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void
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printtime(FILE *fp, const git_time *intime)
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{
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struct tm *intm;
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time_t t;
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int offset, hours, minutes;
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char sign, out[32];
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offset = intime->offset;
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if (offset < 0) {
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sign = '-';
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offset = -offset;
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} else {
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sign = '+';
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}
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hours = offset / 60;
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minutes = offset % 60;
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t = (time_t) intime->time + (intime->offset * 60);
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intm = gmtime(&t);
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strftime(out, sizeof(out), "%a %b %e %T %Y", intm);
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fprintf(fp, "%s %c%02d%02d\n", out, sign, hours, minutes);
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}
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void
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printcommit(FILE *fp, git_commit *commit)
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{
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const git_signature *sig;
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char buf[GIT_OID_HEXSZ + 1];
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int i, count;
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const char *scan, *eol;
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/* TODO: show tag when commit has it */
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git_oid_tostr(buf, sizeof(buf), git_commit_id(commit));
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fprintf(fp, "commit <a href=\"%scommit/%s.html\">%s</a>\n",
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relpath, buf, buf);
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if (git_oid_tostr(buf, sizeof(buf), git_commit_parent_id(commit, 0)))
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fprintf(fp, "parent <a href=\"%scommit/%s.html\">%s</a>\n",
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relpath, buf, buf);
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if ((count = (int)git_commit_parentcount(commit)) > 1) {
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fprintf(fp, "Merge:");
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for (i = 0; i < count; ++i) {
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git_oid_tostr(buf, 8, git_commit_parent_id(commit, i));
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fprintf(fp, " <a href=\"%scommit/%s.html\">%s</a>",
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relpath, buf, buf);
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}
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fputc('\n', fp);
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}
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if ((sig = git_commit_author(commit)) != NULL) {
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fprintf(fp, "Author: ");
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xmlencode(fp, sig->name, strlen(sig->name));
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fprintf(fp, " <");
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xmlencode(fp, sig->email, strlen(sig->email));
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fprintf(fp, ">\nDate: ");
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printtime(fp, &sig->when);
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}
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fputc('\n', fp);
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for (scan = git_commit_message(commit); scan && *scan;) {
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for (eol = scan; *eol && *eol != '\n'; ++eol) /* find eol */
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;
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fprintf(fp, " %.*s\n", (int) (eol - scan), scan);
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scan = *eol ? eol + 1 : NULL;
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}
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fputc('\n', fp);
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}
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void
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printshowfile(git_commit *commit)
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{
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const git_diff_delta *delta = NULL;
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const git_diff_hunk *hunk = NULL;
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const git_diff_line *line = NULL;
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git_commit *parent = NULL;
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git_tree *commit_tree = NULL, *parent_tree = NULL;
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git_patch *patch = NULL;
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git_diff *diff = NULL;
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git_diff_stats *diffstats = NULL;
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git_buf diffstatsbuf;
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size_t i, j, k, ndeltas, nhunks = 0, nhunklines = 0;
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char buf[GIT_OID_HEXSZ + 1], path[PATH_MAX];
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FILE *fp;
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int error;
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git_oid_tostr(buf, sizeof(buf), git_commit_id(commit));
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snprintf(path, sizeof(path), "commit/%s.html", buf);
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fp = efopen(path, "w+b");
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memset(&diffstatsbuf, 0, sizeof(diffstatsbuf));
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writeheader(fp);
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printcommit(fp, commit);
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if ((error = git_commit_parent(&parent, commit, 0)))
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return;
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if ((error = git_commit_tree(&commit_tree, commit)))
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goto err;
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if ((error = git_commit_tree(&parent_tree, parent)))
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goto err;
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if ((error = git_diff_tree_to_tree(&diff, repo, commit_tree, parent_tree, NULL)))
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goto err;
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/* diff stat */
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if (!git_diff_get_stats(&diffstats, diff)) {
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if (!git_diff_stats_to_buf(&diffstatsbuf, diffstats,
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GIT_DIFF_STATS_FULL | GIT_DIFF_STATS_SHORT | GIT_DIFF_STATS_NUMBER |
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GIT_DIFF_STATS_INCLUDE_SUMMARY, 80)) {
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fputs("<hr/>", fp);
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fprintf(fp, "Diffstat:\n");
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fputs(diffstatsbuf.ptr, fp);
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}
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git_diff_stats_free(diffstats);
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}
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fputs("<hr/>", fp);
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ndeltas = git_diff_num_deltas(diff);
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for (i = 0; i < ndeltas; i++) {
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if (git_patch_from_diff(&patch, diff, i)) {
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git_patch_free(patch);
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break; /* TODO: handle error */
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}
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delta = git_patch_get_delta(patch);
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fprintf(fp, "diff --git a/<a href=\"%s%s\">%s</a> b/<a href=\"%s%s\">%s</a>\n",
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relpath, delta->old_file.path, delta->old_file.path,
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relpath, delta->new_file.path, delta->new_file.path);
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#if 0
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switch (delta->flags) {
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case GIT_DIFF_FLAG_BINARY:
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/* "Binary files /dev/null and b/favicon.png differ" or so */
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continue; /* TODO: binary data */
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case GIT_DIFF_FLAG_NOT_BINARY: break;
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case GIT_DIFF_FLAG_VALID_ID: break; /* TODO: check */
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case GIT_DIFF_FLAG_EXISTS: break; /* TODO: check */
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}
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#endif
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nhunks = git_patch_num_hunks(patch);
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for (j = 0; j < nhunks; j++) {
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if (git_patch_get_hunk(&hunk, &nhunklines, patch, j))
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break; /* TODO: handle error ? */
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fprintf(fp, "%s\n", hunk->header);
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for (k = 0; ; k++) {
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if (git_patch_get_line_in_hunk(&line, patch, j, k))
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break;
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if (line->old_lineno == -1)
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fputc('+', fp);
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else if (line->new_lineno == -1)
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fputc('-', fp);
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else
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fputc(' ', fp);
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xmlencode(fp, line->content, line->content_len);
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}
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}
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git_patch_free(patch);
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}
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git_diff_free(diff);
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writefooter(fp);
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fclose(fp);
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return;
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err:
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git_buf_free(&diffstatsbuf);
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fclose(fp);
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}
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int
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writelog(FILE *fp)
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{
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git_revwalk *w = NULL;
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git_oid id;
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git_commit *commit = NULL;
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const git_signature *author;
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git_diff_stats *stats;
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git_tree *commit_tree = NULL, *parent_tree = NULL;
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git_commit *parent = NULL;
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git_diff *diff = NULL;
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size_t i, nfiles, ndel, nadd;
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const char *summary;
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char buf[GIT_OID_HEXSZ + 1];
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int error;
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mkdir("commit", 0755);
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git_revwalk_new(&w, repo);
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git_revwalk_push_head(w);
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/* TODO: also make "expanded" log ? (with message body) */
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i = 0;
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fputs("<table><thead><tr><td>Summary</td><td>Author</td><td align=\"right\">Age</td>"
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"<td align=\"right\">Files</td><td align=\"right\">+</td><td align=\"right\">-</td></tr></thead><tbody>", fp);
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while (!git_revwalk_next(&id, w)) {
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if (git_commit_lookup(&commit, repo, &id))
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return 1; /* TODO: error */
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if ((error = git_commit_parent(&parent, commit, 0)))
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continue; /* TODO: handle error */
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if ((error = git_commit_tree(&commit_tree, commit)))
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continue; /* TODO: handle error */
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if ((error = git_commit_tree(&parent_tree, parent)))
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continue; /* TODO: handle error */
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if ((error = git_diff_tree_to_tree(&diff, repo, commit_tree, parent_tree, NULL)))
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continue; /* TODO: handle error */
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if (git_diff_get_stats(&stats, diff))
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continue; /* TODO: handle error */
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git_oid_tostr(buf, sizeof(buf), git_commit_id(commit));
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ndel = git_diff_stats_deletions(stats);
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nadd = git_diff_stats_insertions(stats);
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nfiles = git_diff_stats_files_changed(stats);
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/* TODO: show tag when commit has it */
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/* TODO: collect stats per author and make stats.html page */
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author = git_commit_author(commit);
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summary = git_commit_summary(commit);
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fputs("<tr><td>", fp);
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if (summary) {
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fprintf(fp, "<a href=\"%scommit/%s.html\">", relpath, buf);
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xmlencode(fp, summary, strlen(summary));
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fputs("</a>", fp);
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}
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fputs("</td><td>", fp);
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if (author)
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xmlencode(fp, author->name, strlen(author->name));
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fputs("</td><td align=\"right\">", fp);
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printtime(fp, &author->when);
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fputs("</td><td align=\"right\">", fp);
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fprintf(fp, "%zu", nfiles);
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fputs("</td><td align=\"right\">", fp);
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fprintf(fp, "+%zu", nadd);
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fputs("</td><td align=\"right\">", fp);
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fprintf(fp, "-%zu", ndel);
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fputs("</td></tr>", fp);
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printshowfile(commit);
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git_diff_free(diff);
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git_commit_free(commit);
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/* DEBUG */
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i++;
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if (i > 100)
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break;
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}
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fprintf(fp, "</tbody></table>");
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git_revwalk_free(w);
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return 0;
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}
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void
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printcommitatom(FILE *fp, git_commit *commit)
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{
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const git_signature *sig;
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char buf[GIT_OID_HEXSZ + 1];
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int i, count;
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const char *scan, *eol, *summary;
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fputs("<entry>", fp);
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/* TODO: show tag when commit has it */
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git_oid_tostr(buf, sizeof(buf), git_commit_id(commit));
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fprintf(fp, "<id>%s</id>", buf);
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sig = git_commit_author(commit);
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if (sig) {
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fputs("<updated>", fp);
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printtimez(fp, &sig->when);
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fputs("</updated>", fp);
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}
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if ((summary = git_commit_summary(commit))) {
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fputs("<title>", fp);
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xmlencode(fp, summary, strlen(summary));
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fputs("</title>", fp);
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}
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fputs("<content type=\"text\">", fp);
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fprintf(fp, "commit %s\n", buf);
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if (git_oid_tostr(buf, sizeof(buf), git_commit_parent_id(commit, 0)))
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fprintf(fp, "parent %s\n", buf);
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if ((count = (int)git_commit_parentcount(commit)) > 1) {
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fprintf(fp, "Merge:");
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for (i = 0; i < count; ++i) {
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git_oid_tostr(buf, 8, git_commit_parent_id(commit, i));
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fprintf(fp, " %s", buf);
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}
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fputc('\n', fp);
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}
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if (sig) {
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fprintf(fp, "Author: ");
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xmlencode(fp, sig->name, strlen(sig->name));
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fprintf(fp, " <");
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xmlencode(fp, sig->email, strlen(sig->email));
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fprintf(fp, ">\nDate: ");
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printtime(fp, &sig->when);
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}
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fputc('\n', fp);
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for (scan = git_commit_message(commit); scan && *scan;) {
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for (eol = scan; *eol && *eol != '\n'; ++eol) /* find eol */
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;
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fprintf(fp, " %.*s\n", (int) (eol - scan), scan);
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scan = *eol ? eol + 1 : NULL;
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}
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fputc('\n', fp);
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fputs("</content>", fp);
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if (sig) {
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fputs("<author><name>", fp);
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xmlencode(fp, sig->name, strlen(sig->name));
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fputs("</name><email>", fp);
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xmlencode(fp, sig->email, strlen(sig->email));
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fputs("</email></author>", fp);
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}
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fputs("</entry>", fp);
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}
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int
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writeatom(FILE *fp)
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{
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git_revwalk *w = NULL;
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git_oid id;
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git_commit *c = NULL;
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size_t i, m = 100; /* max */
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fputs("<feed xmlns=\"http://www.w3.org/2005/Atom\"><title>", fp);
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xmlencode(fp, name, strlen(name));
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fputs(", branch master</title><subtitle>", fp);
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xmlencode(fp, description, strlen(description));
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fputs("</subtitle>", fp);
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git_revwalk_new(&w, repo);
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git_revwalk_push_head(w);
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for (i = 0; i < m && !git_revwalk_next(&id, w); i++) {
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if (git_commit_lookup(&c, repo, &id))
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return 1; /* TODO: error */
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printcommitatom(fp, c);
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git_commit_free(c);
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}
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git_revwalk_free(w);
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fputs("</feed>", fp);
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return 0;
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}
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int
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writefiles(FILE *fp)
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{
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git_index *index;
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const git_index_entry *entry;
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size_t count, i;
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|
|
git_repository_index(&index, repo);
|
|
|
|
count = git_index_entrycount(index);
|
|
fputs("<table><thead><tr><td>Mode</td><td>Name</td><td>Size</td></tr></thead><tbody>", fp);
|
|
|
|
for (i = 0; i < count; i++) {
|
|
entry = git_index_get_byindex(index, i);
|
|
fputs("<tr><td>", fp);
|
|
fprintf(fp, "%u", entry->mode); /* TODO: fancy print, like: "-rw-r--r--" */
|
|
fprintf(fp, "</td><td><a href=\"%sfile/", relpath);
|
|
xmlencode(fp, entry->path, strlen(entry->path));
|
|
fputs("\">", fp);
|
|
xmlencode(fp, entry->path, strlen(entry->path));
|
|
fputs("</a></td><td align=\"right\">", fp);
|
|
fprintf(fp, "%" PRIu64, entry->file_size);
|
|
fputs("</td></tr>", fp);
|
|
}
|
|
fputs("</tbody></table>", fp);
|
|
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
writeblobhtml(FILE *fp, const git_blob *blob)
|
|
{
|
|
xmlencode(fp, git_blob_rawcontent(blob), (size_t)git_blob_rawsize(blob));
|
|
}
|
|
|
|
int
|
|
main(int argc, char *argv[])
|
|
{
|
|
git_object *obj = NULL;
|
|
const git_error *e = NULL;
|
|
FILE *fp, *fpread;
|
|
char path[PATH_MAX], *p;
|
|
int status;
|
|
|
|
if (argc != 2) {
|
|
fprintf(stderr, "%s <repodir>\n", argv[0]);
|
|
return 1;
|
|
}
|
|
repodir = argv[1];
|
|
|
|
git_libgit2_init();
|
|
|
|
if ((status = git_repository_open(&repo, repodir)) < 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 */
|
|
snprintf(path, sizeof(path), "%s%s%s",
|
|
repodir, repodir[strlen(repodir)] == '/' ? "" : "/", "description");
|
|
if (!(fpread = fopen(path, "r+b"))) {
|
|
snprintf(path, sizeof(path), "%s%s%s",
|
|
repodir, repodir[strlen(repodir)] == '/' ? "" : "/", ".git/description");
|
|
fpread = fopen(path, "r+b");
|
|
}
|
|
if (fpread) {
|
|
if (!fgets(description, sizeof(description), fpread))
|
|
description[0] = '\0';
|
|
fclose(fpread);
|
|
}
|
|
|
|
/* read LICENSE */
|
|
if (!git_revparse_single(&obj, repo, "HEAD:LICENSE")) {
|
|
fp = efopen("license.html", "w+b");
|
|
writeheader(fp);
|
|
writeblobhtml(fp, (git_blob *)obj);
|
|
if (ferror(fp))
|
|
err(1, "fwrite");
|
|
writefooter(fp);
|
|
|
|
fclose(fp);
|
|
|
|
haslicense = 1;
|
|
}
|
|
|
|
/* read README */
|
|
if (!git_revparse_single(&obj, repo, "HEAD:README")) {
|
|
fp = efopen("readme.html", "w+b");
|
|
writeheader(fp);
|
|
writeblobhtml(fp, (git_blob *)obj);
|
|
if (ferror(fp))
|
|
err(1, "fwrite");
|
|
writefooter(fp);
|
|
fclose(fp);
|
|
|
|
hasreadme = 1;
|
|
}
|
|
|
|
fp = efopen("log.html", "w+b");
|
|
writeheader(fp);
|
|
writelog(fp);
|
|
writefooter(fp);
|
|
fclose(fp);
|
|
|
|
fp = efopen("atom.xml", "w+b");
|
|
writeatom(fp);
|
|
fclose(fp);
|
|
|
|
fp = efopen("files.html", "w+b");
|
|
writeheader(fp);
|
|
writefiles(fp);
|
|
writefooter(fp);
|
|
fclose(fp);
|
|
|
|
/* cleanup */
|
|
git_repository_free(repo);
|
|
git_libgit2_shutdown();
|
|
|
|
return 0;
|
|
}
|