GopherProxy

	trewrite in C with libgit2, first version - stagit - static git page generator
	git clone git://src.adamsgaard.dk/stagit
	Log
	Files
	Refs
	README
	LICENSE
	---
	commit 415e3fdd55b2ecdf2f35680694362a4b35fd1a05
	parent bda4633633a0701bbd2f7861674a8e612d961fb7
	Author: Hiltjo Posthuma <[email protected]>
	Date: Sat, 5 Dec 2015 20:22:57 +0100

	rewrite in C with libgit2, first version

	Diffstat:
	D urmoms \| 135 -----------------------------…
	A urmoms.c \| 222 ++++++++++++++++++++++++++++++

	2 files changed, 222 insertions(+), 135 deletions(-)
	---
	diff --git a/urmoms b/urmoms
	t@@ -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.…
	- 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="'${relpath}'commi…
	-printf '</table>' >> "${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…
	-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}'co…
	-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"
	diff --git a/urmoms.c b/urmoms.c
	t@@ -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 e…
	+ ;
	+
	+ 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; charse…
	+ "<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.c…
	+ "</head><body><center>");
	+ fprintf(fp, "<h1><img src=\"%slogo.png\" alt=\"\" /> %s</h1>", relpath…
	+ 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_reference_normalize_name(branchbuf, sizeof(branchbuf), git…
	+
	+ /* 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->mess…
	+ 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;
	+}