rewrite in C with libgit2, first version

This commit is contained in:
Hiltjo Posthuma 2015-12-05 20:22:57 +01:00
parent bda4633633
commit 415e3fdd55
2 changed files with 222 additions and 135 deletions

135
urmoms
View file

@ -1,135 +0,0 @@
#!/bin/sh
# DEBUG
#set -e -x
usage() {
printf '%s <repodir> <htmldir>\n' "$0"
exit 1
}
header() {
cat <<!__EOF__
<!DOCTYPE HTML>
<html dir="ltr" lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<meta http-equiv="Content-Language" content="en" />
<title>${name} - ${description}</title>
<link rel="stylesheet" type="text/css" href="style.css" />
</head>
<body>
<center>
<h1><img src="${relpath}logo.png" alt="" /> ${name}</h1>
<span class="desc">${description}</span><br/>
<a href="${relpath}log.html">Log</a> |
<a href="${relpath}files.html">Files</a> |
<a href="${relpath}stats.html">Stats</a> |
<a href="${relpath}readme.html">README</a> |
<a href="${relpath}license.html">LICENSE</a>
</center>
<hr/>
<pre>
!__EOF__
}
footer() {
cat <<!__EOF__
</pre>
</body>
</html>
!__EOF__
}
# usage: repodir and htmldir must be set.
if test x"$1" = x"" || test x"$2" = x""; then
usage
fi
# make absolute path to htmldir.
htmldir="$(readlink -f $2)"
mkdir -p "${htmldir}"
# repodir must be a directory to go to.
cd "$1" || usage
# default index page (symlink).
indexpage="log.html"
# project name, if bare repo remove .git suffix.
name=$(basename "$(pwd)" ".git")
# read .git/description.
description=""
test -f ".git/description" && description="$(cat '.git/description')"
# make diff for each commit (all files).
relpath="../"
mkdir -p "${htmldir}/commit"
git log --pretty='%H' | while read -r commit; do
test -e "${htmldir}/commit/${commit}.html" && continue
header > "${htmldir}/commit/${commit}.html"
git show --pretty=full "${commit}" | \
sed -E 's@^commit (.*)$@commit <a href="'${relpath}'commit/\1.html">\1</a>@g' >> "${htmldir}/commit/${commit}.html"
footer >> "${htmldir}/commit/${commit}.html"
done
# make log with all commits.
relpath=""
header > "${htmldir}/log.html"
printf '<table border="0">' >> "${htmldir}/log.html"
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"
printf '</table>' >> "${htmldir}/log.html"
footer >> "${htmldir}/log.html"
# make index with file links.
relpath=""
header >> "${htmldir}/files.html"
printf '<table><tr><td><b>Mode</b></td><td><b>Name</b></td><td><b>Size</b></td><td></td></tr>' >> "${htmldir}/files.html"
git ls-tree -r -l master | while read -r mode type object size file; do
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>' "${file}"
done >> "${htmldir}/files.html"
printf '</table>' >> "${htmldir}/files.html"
footer >> "${htmldir}/files.html"
# readme page
# find README file.
relpath=""
readme=""
for f in README README.md readme.md; do
test -e "${f}" && readme="${f}"
done
# make page.
header > "${htmldir}/readme.html"
if test x"${readme}" != x""; then
cat "${readme}" >> "${htmldir}/readme.html"
else
echo "no README file found" >> "${htmldir}/readme.html"
fi
footer >> "${htmldir}/readme.html"
# license page
# find LICENSE file.
relpath=""
license=""
for f in LICENSE LICENSE.md; do
test -e "${f}" && license="${f}"
done
# make page.
header > "${htmldir}/license.html"
if test x"${readme}" != x""; then
cat "${license}" >> "${htmldir}/license.html"
else
echo "unknown license" >> "${htmldir}/license.html"
fi
footer >> "${htmldir}/license.html"
# stats (authors).
relpath=""
header > "${htmldir}/stats.html"
git shortlog -n -s >> "${htmldir}/stats.html"
footer >> "${htmldir}/stats.html"
# symlink to index page.
ln -sf "$indexpage" "${htmldir}/index.html"

222
urmoms.c Normal file
View file

@ -0,0 +1,222 @@
#include <err.h>
#include <stdio.h>
#include <stdlib.h>
#include "git2.h"
static const char *relpath = "";
static const char *name = "";
static const char *description = "";
static const char *repodir = ".";
static git_repository *repo;
FILE *
efopen(const char *name, const char *flags)
{
FILE *fp;
fp = fopen(name, flags);
if (!fp)
err(1, "fopen");
return fp;
}
static void
printtime(FILE *fp, const git_time * intime, const char *prefix)
{
struct tm *intm;
time_t t;
int offset, hours, minutes;
char sign, out[32];
offset = intime->offset;
if (offset < 0) {
sign = '-';
offset = -offset;
} else {
sign = '+';
}
hours = offset / 60;
minutes = offset % 60;
t = (time_t) intime->time + (intime->offset * 60);
intm = gmtime(&t);
strftime(out, sizeof(out), "%a %b %e %T %Y", intm);
fprintf(fp, "%s%s %c%02d%02d\n", prefix, out, sign, hours, minutes);
}
static void
printcommit(FILE *fp, git_commit * commit)
{
const git_signature *sig;
char buf[GIT_OID_HEXSZ + 1];
int i, count;
const char *scan, *eol;
git_oid_tostr(buf, sizeof(buf), git_commit_id(commit));
fprintf(fp, "commit <a href=\"commit/%s.html\">%s</a>\n", buf, buf);
if ((count = (int)git_commit_parentcount(commit)) > 1) {
fprintf(fp, "Merge:");
for (i = 0; i < count; ++i) {
git_oid_tostr(buf, 8, git_commit_parent_id(commit, i));
fprintf(fp, " %s", buf);
}
fprintf(fp, "\n");
}
if ((sig = git_commit_author(commit)) != NULL) {
fprintf(fp, "Author: <a href=\"author/%s.html\">%s</a> <%s>\n",
sig->name, sig->name, sig->email);
printtime(fp, &sig->when, "Date: ");
}
fprintf(fp, "\n");
for (scan = git_commit_message(commit); scan && *scan;) {
for (eol = scan; *eol && *eol != '\n'; ++eol) /* find eol */
;
fprintf(fp, " %.*s\n", (int) (eol - scan), scan);
scan = *eol ? eol + 1 : NULL;
}
fprintf(fp, "\n");
}
int
writeheader(FILE *fp)
{
fprintf(fp, "<!DOCTYPE HTML>"
"<html dir=\"ltr\" lang=\"en\"><head>"
"<meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\" />"
"<meta http-equiv=\"Content-Language\" content=\"en\" />");
fprintf(fp, "<title>%s - %s</title>", name, description);
fprintf(fp, "<link rel=\"stylesheet\" type=\"text/css\" href=\"style.css\" />"
"</head><body><center>");
fprintf(fp, "<h1><img src=\"%slogo.png\" alt=\"\" /> %s</h1>", relpath, name);
fprintf(fp, "<span class=\"desc\">%s</span><br/>", description);
fprintf(fp, "<a href=\"%slog.html\">Log</a> |", relpath);
fprintf(fp, "<a href=\"%sfiles.html\">Files</a>| ", relpath);
fprintf(fp, "<a href=\"%sstats.html\">Stats</a> | ", relpath);
fprintf(fp, "<a href=\"%sreadme.html\">README</a> | ", relpath);
fprintf(fp, "<a href=\"%slicense.html\">LICENSE</a>", relpath);
fprintf(fp, "</center><hr/><pre>");
return 0;
}
int
writefooter(FILE *fp)
{
fprintf(fp, "</pre></body></html>");
return 0;
}
int
writelog(FILE *fp)
{
git_revwalk *w = NULL;
git_oid id;
git_commit *c = NULL;
git_revwalk_new(&w, repo);
git_revwalk_push_head(w);
while (!git_revwalk_next(&id, w)) {
if (git_commit_lookup(&c, repo, &id))
return 1;
printcommit(fp, c);
git_commit_free(c);
}
git_revwalk_free(w);
return 0;
}
int
writefiles(FILE *fp)
{
git_index *index;
const git_index_entry *entry;
size_t count, i;
git_repository_index(&index, repo);
count = git_index_entrycount(index);
for (i = 0; i < count; i++) {
entry = git_index_get_byindex(index, i);
fprintf(fp, "name: %s, size: %lu, mode: %lu\n",
entry->path, entry->file_size, entry->mode);
}
return 0;
}
#if 0
int
writebranches(FILE *fp)
{
git_branch_iterator *branchit = NULL;
git_branch_t branchtype;
git_reference *branchref;
char branchbuf[BUFSIZ] = "";
int status;
git_branch_iterator_new(&branchit, repo, GIT_BRANCH_LOCAL);
while ((status = git_branch_next(&branchref, &branchtype, branchit)) == GIT_ITEROVER) {
git_reference_normalize_name(branchbuf, sizeof(branchbuf), git_reference_name(branchref), GIT_REF_FORMAT_ALLOW_ONELEVEL | GIT_REF_FORMAT_REFSPEC_SHORTHAND);
/* fprintf(fp, "branch: |%s|\n", branchbuf); */
}
git_branch_iterator_free(branchit);
return 0;
}
#endif
int
main(int argc, char *argv[])
{
int status;
const git_error *e = NULL;
FILE *fp;
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);
exit(status);
}
fp = efopen("logs.html", "w+b");
writeheader(fp);
writelog(fp);
writefooter(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;
}