stagit

debian packaging for stagit
git clone git://git.unixkoans.com/stagit.git
Log | Files | Refs | README | LICENSE

stagit-index.c (5295B)


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
#include <sys/stat.h>

#include <err.h>
#include <errno.h>
#include <inttypes.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

#include <git2.h>

#include "compat.h"

static git_repository *repo;

static const char *relpath = "";
static const char *repodir;

static char description[255] = "Repositories";
static char *name = "";
static char owner[255];

#ifndef USE_PLEDGE
int
pledge(const char *promises, const char *paths[])
{
        return 0;
}
#endif

void
joinpath(char *buf, size_t bufsiz, const char *path, const char *path2)
{
	int r;

	r = snprintf(buf, bufsiz, "%s%s%s",
		path, path[0] && path[strlen(path) - 1] != '/' ? "/" : "", path2);
	if (r == -1 || (size_t)r >= bufsiz)
		errx(1, "path truncated: '%s%s%s'",
			path, path[0] && path[strlen(path) - 1] != '/' ? "/" : "", path2);
}

/* 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("&lt;",   fp); break;
		case '>':  fputs("&gt;",   fp); break;
		case '\'': fputs("&apos;", fp); break;
		case '&':  fputs("&amp;",  fp); break;
		case '"':  fputs("&quot;", fp); break;
		default:   fputc(*s, fp);
		}
	}
}

void
printtimeshort(FILE *fp, const git_time *intime)
{
	struct tm *intm;
	time_t t;
	char out[32];

	t = (time_t)intime->time;
	if (!(intm = gmtime(&t)))
		return;
	strftime(out, sizeof(out), "%Y-%m-%d %H:%M", intm);
	fputs(out, fp);
}

void
writeheader(FILE *fp)
{
	fputs("<!DOCTYPE html>\n"
		"<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", 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/>\n<div id=\"content\">\n"
	      "<table id=\"index\"><thead>\n"
	      "<tr><td>Name</td><td>Description</td><td>Owner</td><td>Last commit</td></tr>"
	      "</thead><tbody>\n", fp);
}

void
writefooter(FILE *fp)
{
	fputs("</tbody>\n</table>\n</div>\n</body>\n</html>\n", fp);
}

int
writelog(FILE *fp)
{
	git_commit *commit = NULL;
	const git_signature *author;
	git_revwalk *w = NULL;
	git_oid id;
	char *stripped_name = NULL, *p;
	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) ||
	    git_commit_lookup(&commit, repo, &id)) {
		ret = -1;
		goto err;
	}

	author = git_commit_author(commit);

	/* strip .git suffix */
	if (!(stripped_name = strdup(name)))
		err(1, "strdup");
	if ((p = strrchr(stripped_name, '.')))
		if (!strcmp(p, ".git"))
			*p = '\0';

	fputs("<tr><td><a href=\"", fp);
	xmlencode(fp, stripped_name, strlen(stripped_name));
	fputs("/log.html\">", fp);
	xmlencode(fp, stripped_name, strlen(stripped_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 (author)
		printtimeshort(fp, &(author->when));
	fputs("</td></tr>", fp);

	git_commit_free(commit);
err:
	git_revwalk_free(w);
	free(stripped_name);

	return ret;
}

int
main(int argc, char *argv[])
{
	const git_error *e = NULL;
	FILE *fp;
	char path[PATH_MAX], repodirabs[PATH_MAX + 1];
	int i, ret = 0;

	if (pledge("stdio rpath", NULL) == -1)
		err(1, "pledge");

	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 (!realpath(repodir, repodirabs))
			err(1, "realpath");

		if (git_repository_open_ext(&repo, repodir,
		    GIT_REPOSITORY_OPEN_NO_SEARCH, NULL)) {
			e = giterr_last();
			fprintf(stderr, "%s: %s\n", argv[0], e->message);
			ret = 1;
			continue;
		}

		/* use directory name as name */
		if ((name = strrchr(repodirabs, '/')))
			name++;
		else
			name = "";

		/* read description or .git/description */
		joinpath(path, sizeof(path), repodir, "description");
		if (!(fp = fopen(path, "r"))) {
			joinpath(path, sizeof(path), repodir, ".git/description");
			fp = fopen(path, "r");
		}
		description[0] = '\0';
		if (fp) {
			if (!fgets(description, sizeof(description), fp))
				description[0] = '\0';
			fclose(fp);
		}

		/* read owner or .git/owner */
		joinpath(path, sizeof(path), repodir, "owner");
		if (!(fp = fopen(path, "r"))) {
			joinpath(path, sizeof(path), repodir, ".git/owner");
			fp = fopen(path, "r");
		}
		owner[0] = '\0';
		if (fp) {
			if (!fgets(owner, sizeof(owner), fp))
				owner[0] = '\0';
			owner[strcspn(owner, "\n")] = '\0';
			fclose(fp);
		}
		writelog(stdout);
	}
	writefooter(stdout);

	/* cleanup */
	git_repository_free(repo);
	git_libgit2_shutdown();

	return ret;
}