stagit

stagit: add -l option: limit the amount of commits for the log.html file

 1@@ -1,4 +1,4 @@
 2-.Dd May 1, 2016
 3+.Dd Januari 21, 2018
 4 .Dt STAGIT 1
 5 .Os
 6 .Sh NAME
 7@@ -7,6 +7,7 @@
 8 .Sh SYNOPSIS
 9 .Nm
10 .Op Fl c Ar
cachefile
11+.Op Fl l Ar commits
12 .Ar repodir
13 .Sh DESCRIPTION
14 .Nm
15@@ -25,8 +26,19 @@ will store the last commit id and the entries in the HTML table.
16 It is up to the user to make sure the state of the
17 .Ar cachefile
18 is in sync with
the history of the repository.
19+.It Fl l Ar commits
20+Write a maximum number
of
21+.Ar commits
22+to the log.html file
only.
23+However the commit
files are written as usual.
24 .El
25 .Pp
26+The options
27+.Fl c
28+and
29+.Fl l
30+cannot be used at the
same time.
31+.Pp
32 The following files will be written:
33 .Bl -tag -width
Ds
34 .It atom.xml

 1@@ -57,6 +57,7 @@ static char *strippedname = "";
 2 static char description[255];
 3 static char
cloneurl[1024];
 4 static int
haslicense, hasreadme, hassubmodules;
 5+static long long nlogcommits = -1; /* < 0 indicates not used */
 6
 7 /* cache */
 8 static git_oid
lastoid;
 9@@ -558,7 +559,7 @@ writelog(FILE *fp, const git_oid *oid)
10 struct commitinfo *ci;
11 git_revwalk *w =
NULL;
12 git_oid id;
13- char path[PATH_MAX];
14+ char path[PATH_MAX],
oidstr[GIT_OID_HEXSZ + 1];
15 FILE *fpfile;
16 int r;
17
18@@ -572,24 +573,37 @@ writelog(FILE *fp, const git_oid *oid)
19
20 if (cachefile
&& !memcmp(&id, &lastoid, sizeof(id)))
21 break;
22+
23+ git_oid_tostr(oidstr,
sizeof(oidstr), &id);
24+ r = snprintf(path,
sizeof(path), "commit/%s.html", oidstr);
25+ if (r == -1 ||
(size_t)r >= sizeof(path))
26+ errx(1, "path
truncated: 'commit/%s.html'", oidstr);
27+ r = access(path,
F_OK);
28+
29+ /* optimization: if
there are no log lines to write and
30+ the commit file
already exists: skip the diffstat */
31+ if (!nlogcommits
&& !r)
32+ continue;
33+
34 if (!(ci = commitinfo_getbyoid(&id)))
35 break;
36- /* lookup stats: only required here */
37+ /* diffstat: for
stagit HTML required for the log.html line */
38 if (commitinfo_getstats(ci) == -1)
39 goto err;
40
41- writelogline(fp, ci);
42+ if (nlogcommits
< 0) {
43+ writelogline(fp, ci);
44+ } else if
(nlogcommits > 0) {
45+ writelogline(fp, ci);
46+ nlogcommits--;
47+ }
48+
49 if (cachefile)
50
writelogline(wcachefp, ci);
51
52- relpath = "../";
53-
54- r = snprintf(path,
sizeof(path), "commit/%s.html", ci->oid);
55- if (r == -1 ||
(size_t)r >= sizeof(path))
56- errx(1, "path
truncated: 'commit/%s.html'", ci->oid);
57-
58 /* check if file exists if so skip it */
59- if (access(path, F_OK)) {
60+ if (r) {
61+ relpath =
"../";
62 fpfile = efopen(path, "w");
63
writeheader(fpfile, ci->summary);
64
fputs("<pre>", fpfile);
65@@ -986,7 +1000,7 @@ err:
66 void
67 usage(char
*argv0)
68 {
69- fprintf(stderr, "%s [-c cachefile] repodir\n", argv0);
70+ fprintf(stderr,
"%s [-c cachefile] [-l commits] repodir\n", argv0);
71 exit(1);
72 }
73
74@@ -1012,9 +1026,20 @@ main(int argc, char *argv[])
75 usage(argv[0]);
76 repodir =
argv[i];
77 } else if
(argv[i][1] == 'c') {
78- if (i + 1 >= argc)
79+ if (nlogcommits
> 0 || i + 1 >= argc)
80 usage(argv[0]);
81 cachefile =
argv[++i];
82+ } else if (argv[i][1] == 'l') {
83+ if (cachefile || i +
1 >= argc)
84+ usage(argv[0]);
85+ errno = 0;
86+ nlogcommits =
strtoll(argv[++i], &p, 10);
87+ if (argv[i][0] ==
'\0' || *p != '\0' ||
88+ nlogcommits <=
0)
89+ usage(argv[0]);
90+ if (errno == ERANGE
&& (nlogcommits == LLONG_MAX ||
91+ nlogcommits ==
LLONG_MIN))
92+ usage(argv[0]);
93 }
94 }
95 if (!cachefile
&& pledge("stdio rpath wpath cpath", NULL) == -1)