add stagit.c
| 1 files changed, 852 insertions(+), 0 deletions(-) | |||
|---|---|---|---|
| A | stagit.c | +852 | -0 |
1@@ -0,0 +1,852 @@
2+#include <sys/stat.h>
3+
4+#include <err.h>
5+#include <errno.h>
6+#include <inttypes.h>
7+#include <libgen.h>
8+#include <limits.h>
9+#include <stdio.h>
10+#include <stdlib.h>
11+#include <string.h>
12+#include <unistd.h>
13+
14+#include <git2.h>
15+
16+#include "compat.h"
17+#include "config.h"
18+
19+struct commitinfo {
20+ const git_oid *id;
21+
22+ char oid[GIT_OID_HEXSZ + 1];
23+ char parentoid[GIT_OID_HEXSZ + 1];
24+
25+ const git_signature *author;
26+ const char *summary;
27+ const char *msg;
28+
29+ git_diff_stats *stats;
30+ git_diff *diff;
31+ git_commit *commit;
32+ git_commit *parent;
33+ git_tree *commit_tree;
34+ git_tree *parent_tree;
35+
36+ size_t addcount;
37+ size_t delcount;
38+ size_t filecount;
39+};
40+
41+static git_repository *repo;
42+
43+static const char *relpath = "";
44+static const char *repodir;
45+
46+static char name[255];
47+static char description[255];
48+static char cloneurl[1024];
49+static int hasreadme, haslicense;
50+
51+void
52+commitinfo_free(struct commitinfo *ci)
53+{
54+ if (!ci)
55+ return;
56+
57+ git_diff_stats_free(ci->stats);
58+ git_diff_free(ci->diff);
59+ git_tree_free(ci->commit_tree);
60+ git_tree_free(ci->parent_tree);
61+ git_commit_free(ci->commit);
62+}
63+
64+struct commitinfo *
65+commitinfo_getbyoid(const git_oid *id)
66+{
67+ struct commitinfo *ci;
68+ git_diff_options opts;
69+ int error;
70+
71+ if (!(ci = calloc(1, sizeof(struct commitinfo))))
72+ err(1, "calloc");
73+
74+ ci->id = id;
75+ if (git_commit_lookup(&(ci->commit), repo, id))
76+ goto err;
77+
78+ git_oid_tostr(ci->oid, sizeof(ci->oid), git_commit_id(ci->commit));
79+ git_oid_tostr(ci->parentoid, sizeof(ci->parentoid), git_commit_parent_id(ci->commit, 0));
80+
81+ ci->author = git_commit_author(ci->commit);
82+ ci->summary = git_commit_summary(ci->commit);
83+ ci->msg = git_commit_message(ci->commit);
84+
85+ if ((error = git_commit_tree(&(ci->commit_tree), ci->commit)))
86+ goto err;
87+ if (!(error = git_commit_parent(&(ci->parent), ci->commit, 0))) {
88+ if ((error = git_commit_tree(&(ci->parent_tree), ci->parent)))
89+ goto err;
90+ } else {
91+ ci->parent = NULL;
92+ ci->parent_tree = NULL;
93+ }
94+
95+ git_diff_init_options(&opts, GIT_DIFF_OPTIONS_VERSION);
96+ opts.flags |= GIT_DIFF_DISABLE_PATHSPEC_MATCH;
97+ if ((error = git_diff_tree_to_tree(&(ci->diff), repo, ci->parent_tree, ci->commit_tree, &opts)))
98+ goto err;
99+ if (git_diff_get_stats(&(ci->stats), ci->diff))
100+ goto err;
101+
102+ ci->addcount = git_diff_stats_insertions(ci->stats);
103+ ci->delcount = git_diff_stats_deletions(ci->stats);
104+ ci->filecount = git_diff_stats_files_changed(ci->stats);
105+
106+ return ci;
107+
108+err:
109+ commitinfo_free(ci);
110+ free(ci);
111+
112+ return NULL;
113+}
114+
115+FILE *
116+efopen(const char *name, const char *flags)
117+{
118+ FILE *fp;
119+
120+ if (!(fp = fopen(name, flags)))
121+ err(1, "fopen");
122+
123+ return fp;
124+}
125+
126+/* Escape characters below as HTML 2.0 / XML 1.0. */
127+void
128+xmlencode(FILE *fp, const char *s, size_t len)
129+{
130+ size_t i;
131+
132+ for (i = 0; *s && i < len; s++, i++) {
133+ switch(*s) {
134+ case '<': fputs("<", fp); break;
135+ case '>': fputs(">", fp); break;
136+ case '\'': fputs("'", fp); break;
137+ case '&': fputs("&", fp); break;
138+ case '"': fputs(""", fp); break;
139+ default: fputc(*s, fp);
140+ }
141+ }
142+}
143+
144+/* Some implementations of dirname(3) return a pointer to a static
145+ * internal buffer (OpenBSD). Others modify the contents of `path` (POSIX).
146+ * This is a wrapper function that is compatible with both versions.
147+ * The program will error out if dirname(3) failed, this can only happen
148+ * with the OpenBSD version. */
149+char *
150+xdirname(const char *path)
151+{
152+ char *p, *b;
153+
154+ if (!(p = strdup(path)))
155+ err(1, "strdup");
156+ if (!(b = dirname(p)))
157+ err(1, "basename");
158+ if (!(b = strdup(b)))
159+ err(1, "strdup");
160+ free(p);
161+
162+ return b;
163+}
164+
165+/* Some implementations of basename(3) return a pointer to a static
166+ * internal buffer (OpenBSD). Others modify the contents of `path` (POSIX).
167+ * This is a wrapper function that is compatible with both versions.
168+ * The program will error out if basename(3) failed, this can only happen
169+ * with the OpenBSD version. */
170+char *
171+xbasename(const char *path)
172+{
173+ char *p, *b;
174+
175+ if (!(p = strdup(path)))
176+ err(1, "strdup");
177+ if (!(b = basename(p)))
178+ err(1, "basename");
179+ if (!(b = strdup(b)))
180+ err(1, "strdup");
181+ free(p);
182+
183+ return b;
184+}
185+
186+int
187+mkdirp(const char *path)
188+{
189+ char tmp[PATH_MAX], *p;
190+
191+ strlcpy(tmp, path, sizeof(tmp));
192+ for (p = tmp + (tmp[0] == '/'); *p; p++) {
193+ if (*p != '/')
194+ continue;
195+ *p = '\0';
196+ if (mkdir(tmp, S_IRWXU | S_IRWXG | S_IRWXO) < 0 && errno != EEXIST)
197+ return -1;
198+ *p = '/';
199+ }
200+ if (mkdir(tmp, S_IRWXU | S_IRWXG | S_IRWXO) < 0 && errno != EEXIST)
201+ return -1;
202+ return 0;
203+}
204+
205+void
206+printtimeformat(FILE *fp, const git_time *intime, const char *fmt)
207+{
208+ struct tm *intm;
209+ time_t t;
210+ char out[32];
211+
212+ t = (time_t) intime->time + (intime->offset * 60);
213+ intm = gmtime(&t);
214+ strftime(out, sizeof(out), fmt, intm);
215+ fputs(out, fp);
216+}
217+
218+void
219+printtimez(FILE *fp, const git_time *intime)
220+{
221+ printtimeformat(fp, intime, "%Y-%m-%dT%H:%M:%SZ");
222+}
223+
224+void
225+printtime(FILE *fp, const git_time *intime)
226+{
227+ printtimeformat(fp, intime, "%a %b %e %T %Y");
228+}
229+
230+void
231+printtimeshort(FILE *fp, const git_time *intime)
232+{
233+ printtimeformat(fp, intime, "%Y-%m-%d %H:%M");
234+}
235+
236+int
237+writeheader(FILE *fp)
238+{
239+ fputs("<!DOCTYPE HTML>"
240+ "<html dir=\"ltr\" lang=\"en\">\n<head>\n"
241+ "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\" />\n"
242+ "<meta http-equiv=\"Content-Language\" content=\"en\" />\n<title>", fp);
243+ xmlencode(fp, name, strlen(name));
244+ if (description[0])
245+ fputs(" - ", fp);
246+ xmlencode(fp, description, strlen(description));
247+ fprintf(fp, "</title>\n<link rel=\"icon\" type=\"image/png\" href=\"%sfavicon.png\" />\n", relpath);
248+ fprintf(fp, "<link rel=\"alternate\" type=\"application/atom+xml\" title=\"%s Atom Feed\" href=\"%satom.xml\" />\n",
249+ name, relpath);
250+ fprintf(fp, "<link rel=\"stylesheet\" type=\"text/css\" href=\"%sstyle.css\" />\n", relpath);
251+ fputs("</head>\n<body>\n<table><tr><td>", fp);
252+ fprintf(fp, "<a href=\"../%s\"><img src=\"%slogo.png\" alt=\"\" width=\"32\" height=\"32\" /></a>",
253+ relpath, relpath);
254+ fputs("</td><td><h1>", fp);
255+ xmlencode(fp, name, strlen(name));
256+ fputs("</h1><span class=\"desc\">", fp);
257+ xmlencode(fp, description, strlen(description));
258+ fputs("</span></td></tr>", fp);
259+ if (cloneurl[0]) {
260+ fputs("<tr class=\"url\"><td></td><td>git clone <a href=\"", fp);
261+ xmlencode(fp, cloneurl, strlen(cloneurl));
262+ fputs("\">", fp);
263+ xmlencode(fp, cloneurl, strlen(cloneurl));
264+ fputs("</a></td></tr>", fp);
265+ }
266+ fputs("<tr><td></td><td>\n", fp);
267+ fprintf(fp, "<a href=\"%slog.html\">Log</a> | ", relpath);
268+ fprintf(fp, "<a href=\"%sfiles.html\">Files</a>", relpath);
269+ if (hasreadme)
270+ fprintf(fp, " | <a href=\"%sfile/README.html\">README</a>", relpath);
271+ if (haslicense)
272+ fprintf(fp, " | <a href=\"%sfile/LICENSE.html\">LICENSE</a>", relpath);
273+ fputs("</td></tr></table>\n<hr/><div id=\"content\">\n", fp);
274+
275+ return 0;
276+}
277+
278+int
279+writefooter(FILE *fp)
280+{
281+ return !fputs("</div></body>\n</html>", fp);
282+}
283+
284+void
285+writeblobhtml(FILE *fp, const git_blob *blob)
286+{
287+ off_t i = 0;
288+ size_t n = 1;
289+ char *nfmt = "<a href=\"#l%d\" id=\"l%d\">%d</a>\n";
290+ const char *s = git_blob_rawcontent(blob);
291+ git_off_t len = git_blob_rawsize(blob);
292+
293+ fputs("<table id=\"blob\"><tr><td class=\"num\"><pre>\n", fp);
294+
295+ if (len) {
296+ fprintf(fp, nfmt, n, n, n);
297+ while (i < len - 1) {
298+ if (s[i] == '\n') {
299+ n++;
300+ fprintf(fp, nfmt, n, n, n);
301+ }
302+ i++;
303+ }
304+ }
305+
306+ fputs("</pre></td><td><pre>\n", fp);
307+ xmlencode(fp, s, (size_t)len);
308+ fputs("</pre></td></tr></table>\n", fp);
309+}
310+
311+void
312+printcommit(FILE *fp, struct commitinfo *ci)
313+{
314+ fprintf(fp, "<b>commit</b> <a href=\"%scommit/%s.html\">%s</a>\n",
315+ relpath, ci->oid, ci->oid);
316+
317+ if (ci->parentoid[0])
318+ fprintf(fp, "<b>parent</b> <a href=\"%scommit/%s.html\">%s</a>\n",
319+ relpath, ci->parentoid, ci->parentoid);
320+
321+#if 0
322+ if ((count = (int)git_commit_parentcount(commit)) > 1) {
323+ fprintf(fp, "<b>Merge:</b>");
324+ for (i = 0; i < count; i++) {
325+ git_oid_tostr(buf, 8, git_commit_parent_id(commit, i));
326+ fprintf(fp, " <a href=\"%scommit/%s.html\">%s</a>",
327+ relpath, buf, buf);
328+ }
329+ fputc('\n', fp);
330+ }
331+#endif
332+ if (ci->author) {
333+ fprintf(fp, "<b>Author:</b> ");
334+ xmlencode(fp, ci->author->name, strlen(ci->author->name));
335+ fprintf(fp, " <<a href=\"mailto:");
336+ xmlencode(fp, ci->author->email, strlen(ci->author->email));
337+ fputs("\">", fp);
338+ xmlencode(fp, ci->author->email, strlen(ci->author->email));
339+ fputs("</a>>\n<b>Date:</b> ", fp);
340+ printtime(fp, &(ci->author->when));
341+ fputc('\n', fp);
342+ }
343+ fputc('\n', fp);
344+
345+ if (ci->msg)
346+ xmlencode(fp, ci->msg, strlen(ci->msg));
347+
348+ fputc('\n', fp);
349+}
350+
351+void
352+printshowfile(struct commitinfo *ci)
353+{
354+ const git_diff_delta *delta;
355+ const git_diff_hunk *hunk;
356+ const git_diff_line *line;
357+ git_patch *patch;
358+ git_buf statsbuf;
359+ size_t ndeltas, nhunks, nhunklines;
360+ FILE *fp;
361+ size_t i, j, k;
362+ char path[PATH_MAX];
363+
364+ snprintf(path, sizeof(path), "commit/%s.html", ci->oid);
365+ /* check if file exists if so skip it */
366+ if (!access(path, F_OK))
367+ return;
368+
369+ fp = efopen(path, "w");
370+ writeheader(fp);
371+ fputs("<pre>\n", fp);
372+ printcommit(fp, ci);
373+
374+ memset(&statsbuf, 0, sizeof(statsbuf));
375+
376+ /* diff stat */
377+ if (ci->stats) {
378+ if (!git_diff_stats_to_buf(&statsbuf, ci->stats,
379+ GIT_DIFF_STATS_FULL | GIT_DIFF_STATS_SHORT, 80)) {
380+ if (statsbuf.ptr && statsbuf.ptr[0]) {
381+ fprintf(fp, "<b>Diffstat:</b>\n");
382+ fputs(statsbuf.ptr, fp);
383+ }
384+ }
385+ }
386+
387+ fputs("<hr/>", fp);
388+
389+ ndeltas = git_diff_num_deltas(ci->diff);
390+ for (i = 0; i < ndeltas; i++) {
391+ if (git_patch_from_diff(&patch, ci->diff, i)) {
392+ git_patch_free(patch);
393+ break;
394+ }
395+
396+ delta = git_patch_get_delta(patch);
397+ fprintf(fp, "<b>diff --git a/<a href=\"%sfile/%s.html\">%s</a> b/<a href=\"%sfile/%s.html\">%s</a></b>\n",
398+ relpath, delta->old_file.path, delta->old_file.path,
399+ relpath, delta->new_file.path, delta->new_file.path);
400+
401+ /* check binary data */
402+ if (delta->flags & GIT_DIFF_FLAG_BINARY) {
403+ fputs("Binary files differ\n", fp);
404+ git_patch_free(patch);
405+ continue;
406+ }
407+
408+ nhunks = git_patch_num_hunks(patch);
409+ for (j = 0; j < nhunks; j++) {
410+ if (git_patch_get_hunk(&hunk, &nhunklines, patch, j))
411+ break;
412+
413+ fprintf(fp, "<span class=\"h\">%s</span>\n", hunk->header);
414+
415+ for (k = 0; ; k++) {
416+ if (git_patch_get_line_in_hunk(&line, patch, j, k))
417+ break;
418+ if (line->old_lineno == -1)
419+ fprintf(fp, "<a href=\"#h%zu-%zu\" id=\"h%zu-%zu\" class=\"i\">+",
420+ j, k, j, k);
421+ else if (line->new_lineno == -1)
422+ fprintf(fp, "<a href=\"#h%zu-%zu\" id=\"h%zu-%zu\" class=\"d\">-",
423+ j, k, j, k);
424+ else
425+ fputc(' ', fp);
426+ xmlencode(fp, line->content, line->content_len);
427+ if (line->old_lineno == -1 || line->new_lineno == -1)
428+ fputs("</a>", fp);
429+ }
430+ }
431+ git_patch_free(patch);
432+ }
433+ git_buf_free(&statsbuf);
434+
435+ fputs( "</pre>\n", fp);
436+ writefooter(fp);
437+ fclose(fp);
438+ return;
439+}
440+
441+void
442+writelog(FILE *fp)
443+{
444+ struct commitinfo *ci;
445+ git_revwalk *w = NULL;
446+ git_oid id;
447+ size_t len;
448+
449+ mkdir("commit", 0755);
450+
451+ git_revwalk_new(&w, repo);
452+ git_revwalk_push_head(w);
453+ git_revwalk_sorting(w, GIT_SORT_TIME);
454+ git_revwalk_simplify_first_parent(w);
455+
456+ fputs("<table id=\"log\"><thead>\n<tr><td>Age</td><td>Commit message</td>"
457+ "<td>Author</td><td>Files</td><td class=\"num\">+</td>"
458+ "<td class=\"num\">-</td></tr>\n</thead><tbody>\n", fp);
459+ while (!git_revwalk_next(&id, w)) {
460+ relpath = "";
461+
462+ if (!(ci = commitinfo_getbyoid(&id)))
463+ break;
464+
465+ fputs("<tr><td>", fp);
466+ if (ci->author)
467+ printtimeshort(fp, &(ci->author->when));
468+ fputs("</td><td>", fp);
469+ if (ci->summary) {
470+ fprintf(fp, "<a href=\"%scommit/%s.html\">", relpath, ci->oid);
471+ if ((len = strlen(ci->summary)) > summarylen) {
472+ xmlencode(fp, ci->summary, summarylen - 1);
473+ fputs("…", fp);
474+ } else {
475+ xmlencode(fp, ci->summary, len);
476+ }
477+ fputs("</a>", fp);
478+ }
479+ fputs("</td><td>", fp);
480+ if (ci->author)
481+ xmlencode(fp, ci->author->name, strlen(ci->author->name));
482+ fputs("</td><td class=\"num\">", fp);
483+ fprintf(fp, "%zu", ci->filecount);
484+ fputs("</td><td class=\"num\">", fp);
485+ fprintf(fp, "+%zu", ci->addcount);
486+ fputs("</td><td class=\"num\">", fp);
487+ fprintf(fp, "-%zu", ci->delcount);
488+ fputs("</td></tr>\n", fp);
489+
490+ relpath = "../";
491+ printshowfile(ci);
492+
493+ commitinfo_free(ci);
494+ }
495+ fprintf(fp, "</tbody></table>");
496+
497+ git_revwalk_free(w);
498+ relpath = "";
499+}
500+
501+void
502+printcommitatom(FILE *fp, struct commitinfo *ci)
503+{
504+ fputs("<entry>\n", fp);
505+
506+ fprintf(fp, "<id>%s</id>\n", ci->oid);
507+ if (ci->author) {
508+ fputs("<updated>", fp);
509+ printtimez(fp, &(ci->author->when));
510+ fputs("</updated>\n", fp);
511+ }
512+ if (ci->summary) {
513+ fputs("<title type=\"text\">", fp);
514+ xmlencode(fp, ci->summary, strlen(ci->summary));
515+ fputs("</title>\n", fp);
516+ }
517+
518+ fputs("<content type=\"text\">", fp);
519+ fprintf(fp, "commit %s\n", ci->oid);
520+ if (ci->parentoid[0])
521+ fprintf(fp, "parent %s\n", ci->parentoid);
522+
523+#if 0
524+ if ((count = (int)git_commit_parentcount(commit)) > 1) {
525+ fprintf(fp, "Merge:");
526+ for (i = 0; i < count; i++) {
527+ git_oid_tostr(buf, 8, git_commit_parent_id(commit, i));
528+ fprintf(fp, " %s", buf);
529+ }
530+ fputc('\n', fp);
531+ }
532+#endif
533+
534+ if (ci->author) {
535+ fprintf(fp, "Author: ");
536+ xmlencode(fp, ci->author->name, strlen(ci->author->name));
537+ fprintf(fp, " <");
538+ xmlencode(fp, ci->author->email, strlen(ci->author->email));
539+ fprintf(fp, ">\nDate: ");
540+ printtime(fp, &(ci->author->when));
541+ }
542+ fputc('\n', fp);
543+
544+ if (ci->msg)
545+ xmlencode(fp, ci->msg, strlen(ci->msg));
546+ fputs("\n</content>\n", fp);
547+ if (ci->author) {
548+ fputs("<author><name>", fp);
549+ xmlencode(fp, ci->author->name, strlen(ci->author->name));
550+ fputs("</name>\n<email>", fp);
551+ xmlencode(fp, ci->author->email, strlen(ci->author->email));
552+ fputs("</email>\n</author>\n", fp);
553+ }
554+ fputs("</entry>\n", fp);
555+}
556+
557+int
558+writeatom(FILE *fp)
559+{
560+ struct commitinfo *ci;
561+ git_revwalk *w = NULL;
562+ git_oid id;
563+ size_t i, m = 100; /* max */
564+
565+ fputs("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
566+ "<feed xmlns=\"http://www.w3.org/2005/Atom\">\n<title>", fp);
567+ xmlencode(fp, name, strlen(name));
568+ fputs(", branch master</title>\n<subtitle>", fp);
569+
570+ xmlencode(fp, description, strlen(description));
571+ fputs("</subtitle>\n", fp);
572+
573+ git_revwalk_new(&w, repo);
574+ git_revwalk_push_head(w);
575+ git_revwalk_sorting(w, GIT_SORT_TIME);
576+ git_revwalk_simplify_first_parent(w);
577+
578+ for (i = 0; i < m && !git_revwalk_next(&id, w); i++) {
579+ if (!(ci = commitinfo_getbyoid(&id)))
580+ break;
581+ printcommitatom(fp, ci);
582+ commitinfo_free(ci);
583+ }
584+ git_revwalk_free(w);
585+
586+ fputs("</feed>", fp);
587+
588+ return 0;
589+}
590+
591+int
592+writeblob(git_object *obj, const char *filename, git_off_t filesize)
593+{
594+ char fpath[PATH_MAX];
595+ char tmp[PATH_MAX] = "";
596+ char *d, *p;
597+ FILE *fp;
598+
599+ snprintf(fpath, sizeof(fpath), "file/%s.html", filename);
600+ d = xdirname(fpath);
601+ if (mkdirp(d)) {
602+ free(d);
603+ return 1;
604+ }
605+ free(d);
606+
607+ p = fpath;
608+ while (*p) {
609+ if (*p == '/')
610+ strlcat(tmp, "../", sizeof(tmp));
611+ p++;
612+ }
613+ relpath = tmp;
614+
615+ fp = efopen(fpath, "w");
616+ writeheader(fp);
617+ fputs("<p> ", fp);
618+ xmlencode(fp, filename, strlen(filename));
619+ fprintf(fp, " (%" PRIu32 "b)", filesize);
620+ fputs("</p><hr/>", fp);
621+
622+ if (git_blob_is_binary((git_blob *)obj)) {
623+ fprintf(fp, "<p>Binary file</p>\n");
624+ } else {
625+ writeblobhtml(fp, (git_blob *)obj);
626+ if (ferror(fp))
627+ err(1, "fwrite");
628+ }
629+ writefooter(fp);
630+ fclose(fp);
631+
632+ relpath = "";
633+
634+ return 0;
635+}
636+
637+const char *
638+filemode(git_filemode_t m)
639+{
640+ static char mode[11];
641+
642+ memset(mode, '-', sizeof(mode) - 1);
643+ mode[10] = '\0';
644+
645+ if (S_ISREG(m))
646+ mode[0] = '-';
647+ else if (S_ISBLK(m))
648+ mode[0] = 'b';
649+ else if (S_ISCHR(m))
650+ mode[0] = 'c';
651+ else if (S_ISDIR(m))
652+ mode[0] = 'd';
653+ else if (S_ISFIFO(m))
654+ mode[0] = 'p';
655+ else if (S_ISLNK(m))
656+ mode[0] = 'l';
657+ else if (S_ISSOCK(m))
658+ mode[0] = 's';
659+ else
660+ mode[0] = '?';
661+
662+ if (m & S_IRUSR) mode[1] = 'r';
663+ if (m & S_IWUSR) mode[2] = 'w';
664+ if (m & S_IXUSR) mode[3] = 'x';
665+ if (m & S_IRGRP) mode[4] = 'r';
666+ if (m & S_IWGRP) mode[5] = 'w';
667+ if (m & S_IXGRP) mode[6] = 'x';
668+ if (m & S_IROTH) mode[7] = 'r';
669+ if (m & S_IWOTH) mode[8] = 'w';
670+ if (m & S_IXOTH) mode[9] = 'x';
671+
672+ if (m & S_ISUID) mode[3] = (mode[3] == 'x') ? 's' : 'S';
673+ if (m & S_ISGID) mode[6] = (mode[6] == 'x') ? 's' : 'S';
674+ if (m & S_ISVTX) mode[9] = (mode[9] == 'x') ? 't' : 'T';
675+
676+ return mode;
677+}
678+
679+int
680+writefilestree(FILE *fp, git_tree *tree, const char *path)
681+{
682+ const git_tree_entry *entry = NULL;
683+ const char *filename;
684+ char filepath[PATH_MAX];
685+ git_object *obj = NULL;
686+ git_off_t filesize;
687+ size_t count, i;
688+ int ret;
689+
690+ count = git_tree_entrycount(tree);
691+ for (i = 0; i < count; i++) {
692+ if (!(entry = git_tree_entry_byindex(tree, i)))
693+ return -1;
694+
695+ filename = git_tree_entry_name(entry);
696+ if (git_tree_entry_to_object(&obj, repo, entry))
697+ return -1;
698+ switch (git_object_type(obj)) {
699+ case GIT_OBJ_BLOB:
700+ break;
701+ case GIT_OBJ_TREE:
702+ ret = writefilestree(fp, (git_tree *)obj, filename);
703+ git_object_free(obj);
704+ if (ret)
705+ return ret;
706+ continue;
707+ default:
708+ git_object_free(obj);
709+ continue;
710+ }
711+ if (path[0]) {
712+ snprintf(filepath, sizeof(filepath), "%s/%s", path, filename);
713+ filename = filepath;
714+ }
715+
716+ filesize = git_blob_rawsize((git_blob *)obj);
717+
718+ fputs("<tr><td>", fp);
719+ fprintf(fp, "%s", filemode(git_tree_entry_filemode(entry)));
720+ fprintf(fp, "</td><td><a href=\"%sfile/", relpath);
721+ xmlencode(fp, filename, strlen(filename));
722+ fputs(".html\">", fp);
723+ xmlencode(fp, filename, strlen(filename));
724+ fputs("</a></td><td class=\"num\">", fp);
725+ fprintf(fp, "%" PRIu32, filesize);
726+ fputs("</td></tr>\n", fp);
727+
728+ writeblob(obj, filename, filesize);
729+ }
730+
731+ return 0;
732+}
733+
734+int
735+writefiles(FILE *fp)
736+{
737+ const git_oid *id;
738+ git_tree *tree = NULL;
739+ git_object *obj = NULL;
740+ git_commit *commit = NULL;
741+
742+ fputs("<table id=\"files\"><thead>\n<tr>"
743+ "<td>Mode</td><td>Name</td><td class=\"num\">Size</td>"
744+ "</tr>\n</thead><tbody>\n", fp);
745+
746+ if (git_revparse_single(&obj, repo, "HEAD"))
747+ return -1;
748+ id = git_object_id(obj);
749+ if (git_commit_lookup(&commit, repo, id))
750+ return -1;
751+ if (git_commit_tree(&tree, commit)) {
752+ git_commit_free(commit);
753+ return -1;
754+ }
755+ git_commit_free(commit);
756+
757+ writefilestree(fp, tree, "");
758+
759+ git_commit_free(commit);
760+ git_tree_free(tree);
761+
762+ fputs("</tbody></table>", fp);
763+
764+ return 0;
765+}
766+
767+int
768+main(int argc, char *argv[])
769+{
770+ git_object *obj = NULL;
771+ const git_error *e = NULL;
772+ FILE *fp, *fpread;
773+ char path[PATH_MAX], *p;
774+ int status;
775+
776+ if (argc != 2) {
777+ fprintf(stderr, "%s <repodir>\n", argv[0]);
778+ return 1;
779+ }
780+ repodir = argv[1];
781+
782+ git_libgit2_init();
783+
784+ if ((status = git_repository_open_ext(&repo, repodir,
785+ GIT_REPOSITORY_OPEN_NO_SEARCH, NULL)) < 0) {
786+ e = giterr_last();
787+ fprintf(stderr, "error %d/%d: %s\n", status, e->klass, e->message);
788+ return status;
789+ }
790+
791+ /* use directory name as name */
792+ p = xbasename(repodir);
793+ snprintf(name, sizeof(name), "%s", p);
794+ free(p);
795+
796+ /* read description or .git/description */
797+ snprintf(path, sizeof(path), "%s%s%s",
798+ repodir, repodir[strlen(repodir)] == '/' ? "" : "/", "description");
799+ if (!(fpread = fopen(path, "r"))) {
800+ snprintf(path, sizeof(path), "%s%s%s",
801+ repodir, repodir[strlen(repodir)] == '/' ? "" : "/", ".git/description");
802+ fpread = fopen(path, "r");
803+ }
804+ if (fpread) {
805+ if (!fgets(description, sizeof(description), fpread))
806+ description[0] = '\0';
807+ fclose(fpread);
808+ }
809+
810+ /* read url or .git/url */
811+ snprintf(path, sizeof(path), "%s%s%s",
812+ repodir, repodir[strlen(repodir)] == '/' ? "" : "/", "url");
813+ if (!(fpread = fopen(path, "r"))) {
814+ snprintf(path, sizeof(path), "%s%s%s",
815+ repodir, repodir[strlen(repodir)] == '/' ? "" : "/", ".git/url");
816+ fpread = fopen(path, "r");
817+ }
818+ if (fpread) {
819+ if (!fgets(cloneurl, sizeof(cloneurl), fpread))
820+ cloneurl[0] = '\0';
821+ fclose(fpread);
822+ }
823+
824+ /* check LICENSE */
825+ haslicense = !git_revparse_single(&obj, repo, "HEAD:LICENSE");
826+ git_object_free(obj);
827+ /* check README */
828+ hasreadme = !git_revparse_single(&obj, repo, "HEAD:README");
829+ git_object_free(obj);
830+
831+ fp = efopen("log.html", "w");
832+ writeheader(fp);
833+ writelog(fp);
834+ writefooter(fp);
835+ fclose(fp);
836+
837+ fp = efopen("files.html", "w");
838+ writeheader(fp);
839+ writefiles(fp);
840+ writefooter(fp);
841+ fclose(fp);
842+
843+ /* Atom feed */
844+ fp = efopen("atom.xml", "w");
845+ writeatom(fp);
846+ fclose(fp);
847+
848+ /* cleanup */
849+ git_repository_free(repo);
850+ git_libgit2_shutdown();
851+
852+ return 0;
853+}