rewrite in C with libgit2, first version
D · urmoms +0, -135 1@@ -1,135 +0,0 @@
2-#!/bin/sh
3-
4-# DEBUG
5-#set -e -x
6-
7-usage() {
8- printf '%s <repodir> <htmldir>\n' "$0"
9- exit 1
10-}
11-
12-header() {
13- cat <<!__EOF__
14-<!DOCTYPE HTML>
15-<html dir="ltr" lang="en">
16-<head>
17-<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
18-<meta http-equiv="Content-Language" content="en" />
19-<title>${name} - ${description}</title>
20-<link rel="stylesheet" type="text/css" href="style.css" />
21-</head>
22-<body>
23-<center>
24-<h1><img src="${relpath}logo.png" alt="" /> ${name}</h1>
25-<span class="desc">${description}</span><br/>
26-<a href="${relpath}log.html">Log</a> |
27-<a href="${relpath}files.html">Files</a> |
28-<a href="${relpath}stats.html">Stats</a> |
29-<a href="${relpath}readme.html">README</a> |
30-<a href="${relpath}license.html">LICENSE</a>
31-</center>
32-<hr/>
33-<pre>
34-!__EOF__
35-}
36-
37-footer() {
38- cat <<!__EOF__
39-</pre>
40-</body>
41-</html>
42-!__EOF__
43-}
44-
45-# usage: repodir and htmldir must be set.
46-if test x"$1" = x"" || test x"$2" = x""; then
47- usage
48-fi
49-
50-# make absolute path to htmldir.
51-htmldir="$(readlink -f $2)"
52-mkdir -p "${htmldir}"
53-
54-# repodir must be a directory to go to.
55-cd "$1" || usage
56-
57-# default index page (symlink).
58-indexpage="log.html"
59-
60-# project name, if bare repo remove .git suffix.
61-name=$(basename "$(pwd)" ".git")
62-
63-# read .git/description.
64-description=""
65-test -f ".git/description" && description="$(cat '.git/description')"
66-
67-# make diff for each commit (all files).
68-relpath="../"
69-mkdir -p "${htmldir}/commit"
70-git log --pretty='%H' | while read -r commit; do
71- test -e "${htmldir}/commit/${commit}.html" && continue
72-
73- header > "${htmldir}/commit/${commit}.html"
74- git show --pretty=full "${commit}" | \
75- sed -E 's@^commit (.*)$@commit <a href="'${relpath}'commit/\1.html">\1</a>@g' >> "${htmldir}/commit/${commit}.html"
76- footer >> "${htmldir}/commit/${commit}.html"
77-done
78-
79-# make log with all commits.
80-relpath=""
81-header > "${htmldir}/log.html"
82-printf '<table border="0">' >> "${htmldir}/log.html"
83-git log --pretty='<tr><td align="right">%cr</td><td><a href="'${relpath}'commit/%H.html">%H</a></td><td>%an</td><td>%s</td></tr>' >> "${htmldir}/log.html"
84-printf '</table>' >> "${htmldir}/log.html"
85-footer >> "${htmldir}/log.html"
86-
87-# make index with file links.
88-relpath=""
89-header >> "${htmldir}/files.html"
90-printf '<table><tr><td><b>Mode</b></td><td><b>Name</b></td><td><b>Size</b></td><td></td></tr>' >> "${htmldir}/files.html"
91-git ls-tree -r -l master | while read -r mode type object size file; do
92- git log -1 --pretty='<tr><td>'${mode}'</td><td><a href="'${relpath}'commit/%H.html#file-'${file}'">'${file}'</a></td><td>'${size}'</td><td><a href="file/'${file}'">[plain]</a></td></tr>' "${file}"
93-done >> "${htmldir}/files.html"
94-printf '</table>' >> "${htmldir}/files.html"
95-footer >> "${htmldir}/files.html"
96-
97-# readme page
98-# find README file.
99-relpath=""
100-readme=""
101-for f in README README.md readme.md; do
102- test -e "${f}" && readme="${f}"
103-done
104-# make page.
105-header > "${htmldir}/readme.html"
106-if test x"${readme}" != x""; then
107- cat "${readme}" >> "${htmldir}/readme.html"
108-else
109- echo "no README file found" >> "${htmldir}/readme.html"
110-fi
111-footer >> "${htmldir}/readme.html"
112-
113-# license page
114-# find LICENSE file.
115-relpath=""
116-license=""
117-for f in LICENSE LICENSE.md; do
118- test -e "${f}" && license="${f}"
119-done
120-# make page.
121-header > "${htmldir}/license.html"
122-if test x"${readme}" != x""; then
123- cat "${license}" >> "${htmldir}/license.html"
124-else
125- echo "unknown license" >> "${htmldir}/license.html"
126-fi
127-footer >> "${htmldir}/license.html"
128-
129-# stats (authors).
130-relpath=""
131-header > "${htmldir}/stats.html"
132-git shortlog -n -s >> "${htmldir}/stats.html"
133-footer >> "${htmldir}/stats.html"
134-
135-# symlink to index page.
136-ln -sf "$indexpage" "${htmldir}/index.html"
1@@ -0,0 +1,222 @@
2+#include <err.h>
3+#include <stdio.h>
4+#include <stdlib.h>
5+
6+#include "git2.h"
7+
8+static const char *relpath = "";
9+static const char *name = "";
10+static const char *description = "";
11+
12+static const char *repodir = ".";
13+
14+static git_repository *repo;
15+
16+FILE *
17+efopen(const char *name, const char *flags)
18+{
19+ FILE *fp;
20+
21+ fp = fopen(name, flags);
22+ if (!fp)
23+ err(1, "fopen");
24+
25+ return fp;
26+}
27+
28+static void
29+printtime(FILE *fp, const git_time * intime, const char *prefix)
30+{
31+ struct tm *intm;
32+ time_t t;
33+ int offset, hours, minutes;
34+ char sign, out[32];
35+
36+ offset = intime->offset;
37+ if (offset < 0) {
38+ sign = '-';
39+ offset = -offset;
40+ } else {
41+ sign = '+';
42+ }
43+
44+ hours = offset / 60;
45+ minutes = offset % 60;
46+
47+ t = (time_t) intime->time + (intime->offset * 60);
48+
49+ intm = gmtime(&t);
50+ strftime(out, sizeof(out), "%a %b %e %T %Y", intm);
51+
52+ fprintf(fp, "%s%s %c%02d%02d\n", prefix, out, sign, hours, minutes);
53+}
54+
55+static void
56+printcommit(FILE *fp, git_commit * commit)
57+{
58+ const git_signature *sig;
59+ char buf[GIT_OID_HEXSZ + 1];
60+ int i, count;
61+ const char *scan, *eol;
62+
63+ git_oid_tostr(buf, sizeof(buf), git_commit_id(commit));
64+ fprintf(fp, "commit <a href=\"commit/%s.html\">%s</a>\n", buf, buf);
65+
66+ if ((count = (int)git_commit_parentcount(commit)) > 1) {
67+ fprintf(fp, "Merge:");
68+ for (i = 0; i < count; ++i) {
69+ git_oid_tostr(buf, 8, git_commit_parent_id(commit, i));
70+ fprintf(fp, " %s", buf);
71+ }
72+ fprintf(fp, "\n");
73+ }
74+ if ((sig = git_commit_author(commit)) != NULL) {
75+ fprintf(fp, "Author: <a href=\"author/%s.html\">%s</a> <%s>\n",
76+ sig->name, sig->name, sig->email);
77+ printtime(fp, &sig->when, "Date: ");
78+ }
79+ fprintf(fp, "\n");
80+
81+ for (scan = git_commit_message(commit); scan && *scan;) {
82+ for (eol = scan; *eol && *eol != '\n'; ++eol) /* find eol */
83+ ;
84+
85+ fprintf(fp, " %.*s\n", (int) (eol - scan), scan);
86+ scan = *eol ? eol + 1 : NULL;
87+ }
88+ fprintf(fp, "\n");
89+}
90+
91+int
92+writeheader(FILE *fp)
93+{
94+ fprintf(fp, "<!DOCTYPE HTML>"
95+ "<html dir=\"ltr\" lang=\"en\"><head>"
96+ "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\" />"
97+ "<meta http-equiv=\"Content-Language\" content=\"en\" />");
98+ fprintf(fp, "<title>%s - %s</title>", name, description);
99+ fprintf(fp, "<link rel=\"stylesheet\" type=\"text/css\" href=\"style.css\" />"
100+ "</head><body><center>");
101+ fprintf(fp, "<h1><img src=\"%slogo.png\" alt=\"\" /> %s</h1>", relpath, name);
102+ fprintf(fp, "<span class=\"desc\">%s</span><br/>", description);
103+ fprintf(fp, "<a href=\"%slog.html\">Log</a> |", relpath);
104+ fprintf(fp, "<a href=\"%sfiles.html\">Files</a>| ", relpath);
105+ fprintf(fp, "<a href=\"%sstats.html\">Stats</a> | ", relpath);
106+ fprintf(fp, "<a href=\"%sreadme.html\">README</a> | ", relpath);
107+ fprintf(fp, "<a href=\"%slicense.html\">LICENSE</a>", relpath);
108+ fprintf(fp, "</center><hr/><pre>");
109+
110+ return 0;
111+}
112+
113+int
114+writefooter(FILE *fp)
115+{
116+ fprintf(fp, "</pre></body></html>");
117+
118+ return 0;
119+}
120+
121+int
122+writelog(FILE *fp)
123+{
124+ git_revwalk *w = NULL;
125+ git_oid id;
126+ git_commit *c = NULL;
127+
128+ git_revwalk_new(&w, repo);
129+ git_revwalk_push_head(w);
130+
131+ while (!git_revwalk_next(&id, w)) {
132+ if (git_commit_lookup(&c, repo, &id))
133+ return 1;
134+ printcommit(fp, c);
135+ git_commit_free(c);
136+ }
137+ git_revwalk_free(w);
138+
139+ return 0;
140+}
141+
142+int
143+writefiles(FILE *fp)
144+{
145+ git_index *index;
146+ const git_index_entry *entry;
147+ size_t count, i;
148+
149+ git_repository_index(&index, repo);
150+
151+ count = git_index_entrycount(index);
152+ for (i = 0; i < count; i++) {
153+ entry = git_index_get_byindex(index, i);
154+ fprintf(fp, "name: %s, size: %lu, mode: %lu\n",
155+ entry->path, entry->file_size, entry->mode);
156+ }
157+
158+ return 0;
159+}
160+
161+#if 0
162+int
163+writebranches(FILE *fp)
164+{
165+ git_branch_iterator *branchit = NULL;
166+ git_branch_t branchtype;
167+ git_reference *branchref;
168+ char branchbuf[BUFSIZ] = "";
169+ int status;
170+
171+ git_branch_iterator_new(&branchit, repo, GIT_BRANCH_LOCAL);
172+
173+ while ((status = git_branch_next(&branchref, &branchtype, branchit)) == GIT_ITEROVER) {
174+ git_reference_normalize_name(branchbuf, sizeof(branchbuf), git_reference_name(branchref), GIT_REF_FORMAT_ALLOW_ONELEVEL | GIT_REF_FORMAT_REFSPEC_SHORTHAND);
175+
176+ /* fprintf(fp, "branch: |%s|\n", branchbuf); */
177+ }
178+
179+ git_branch_iterator_free(branchit);
180+
181+ return 0;
182+}
183+#endif
184+
185+int
186+main(int argc, char *argv[])
187+{
188+ int status;
189+ const git_error *e = NULL;
190+ FILE *fp;
191+
192+ if (argc != 2) {
193+ fprintf(stderr, "%s <repodir>\n", argv[0]);
194+ return 1;
195+ }
196+ repodir = argv[1];
197+
198+ git_libgit2_init();
199+
200+ if ((status = git_repository_open(&repo, repodir)) < 0) {
201+ e = giterr_last();
202+ fprintf(stderr, "error %d/%d: %s\n", status, e->klass, e->message);
203+ exit(status);
204+ }
205+
206+ fp = efopen("logs.html", "w+b");
207+ writeheader(fp);
208+ writelog(fp);
209+ writefooter(fp);
210+ fclose(fp);
211+
212+ fp = efopen("files.html", "w+b");
213+ writeheader(fp);
214+ writefiles(fp);
215+ writefooter(fp);
216+ fclose(fp);
217+
218+ /* cleanup */
219+ git_repository_free(repo);
220+ git_libgit2_shutdown();
221+
222+ return 0;
223+}