cache support (-c option)
"Optionally the -c cachefile option can be used to cache the entries of the log page up to the point of the last commit. The cachefile will store the last commit id and the entries in the HTML table." this caches the diffstat and commits, it is an expensive operation (twss).
This commit is contained in:
Hiltjo Posthuma
149
stagit.c
149
stagit.c
@@ -58,6 +58,12 @@ static char description[255];
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static char cloneurl[1024];
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static int haslicense, hasreadme, hassubmodules;
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/* cache */
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static git_oid lastoid;
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static char lastoidstr[GIT_OID_HEXSZ + 2]; /* id + newline + nul byte */
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static FILE *rcachefp, *wcachefp;
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static const char *cachefile;
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void
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deltainfo_free(struct deltainfo *di)
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{
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@@ -530,13 +536,43 @@ printshowfile(FILE *fp, struct commitinfo *ci)
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}
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}
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void
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writelogline(FILE *fp, struct commitinfo *ci)
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{
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size_t len;
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fputs("<tr><td>", fp);
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if (ci->author)
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printtimeshort(fp, &(ci->author->when));
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fputs("</td><td>", fp);
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if (ci->summary) {
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fprintf(fp, "<a href=\"%scommit/%s.html\">", relpath, ci->oid);
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if ((len = strlen(ci->summary)) > summarylen) {
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xmlencode(fp, ci->summary, summarylen - 1);
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fputs("…", fp);
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} else {
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xmlencode(fp, ci->summary, len);
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}
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fputs("</a>", fp);
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}
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fputs("</td><td>", fp);
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if (ci->author)
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xmlencode(fp, ci->author->name, strlen(ci->author->name));
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fputs("</td><td class=\"num\">", fp);
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fprintf(fp, "%zu", ci->filecount);
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fputs("</td><td class=\"num\">", fp);
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fprintf(fp, "+%zu", ci->addcount);
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fputs("</td><td class=\"num\">", fp);
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fprintf(fp, "-%zu", ci->delcount);
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fputs("</td></tr>\n", fp);
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}
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int
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writelog(FILE *fp, const git_oid *oid)
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{
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struct commitinfo *ci;
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git_revwalk *w = NULL;
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git_oid id;
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size_t len;
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char path[PATH_MAX];
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FILE *fpfile;
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int r;
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@@ -546,40 +582,17 @@ writelog(FILE *fp, const git_oid *oid)
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git_revwalk_sorting(w, GIT_SORT_TIME);
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git_revwalk_simplify_first_parent(w);
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fputs("<table id=\"log\"><thead>\n<tr><td>Date</td><td>Commit message</td>"
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"<td>Author</td><td class=\"num\">Files</td><td class=\"num\">+</td>"
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"<td class=\"num\">-</td></tr>\n</thead><tbody>\n", fp);
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while (!git_revwalk_next(&id, w)) {
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relpath = "";
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if (cachefile && !memcmp(&id, &lastoid, sizeof(id)))
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break;
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if (!(ci = commitinfo_getbyoid(&id)))
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break;
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fputs("<tr><td>", fp);
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if (ci->author)
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printtimeshort(fp, &(ci->author->when));
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fputs("</td><td>", fp);
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if (ci->summary) {
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fprintf(fp, "<a href=\"%scommit/%s.html\">", relpath, ci->oid);
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if ((len = strlen(ci->summary)) > summarylen) {
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xmlencode(fp, ci->summary, summarylen - 1);
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fputs("…", fp);
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} else {
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xmlencode(fp, ci->summary, len);
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}
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fputs("</a>", fp);
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}
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fputs("</td><td>", fp);
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if (ci->author)
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xmlencode(fp, ci->author->name, strlen(ci->author->name));
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fputs("</td><td class=\"num\">", fp);
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fprintf(fp, "%zu", ci->filecount);
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fputs("</td><td class=\"num\">", fp);
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fprintf(fp, "+%zu", ci->addcount);
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fputs("</td><td class=\"num\">", fp);
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fprintf(fp, "-%zu", ci->delcount);
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fputs("</td></tr>\n", fp);
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writelogline(fp, ci);
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if (cachefile)
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writelogline(wcachefp, ci);
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relpath = "../";
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@@ -599,8 +612,6 @@ writelog(FILE *fp, const git_oid *oid)
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}
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commitinfo_free(ci);
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}
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fputs("</tbody></table>", fp);
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git_revwalk_free(w);
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relpath = "";
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@@ -1005,6 +1016,13 @@ joinpath(char *buf, size_t bufsiz, const char *path, const char *path2)
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path, path[0] && path[strlen(path) - 1] != '/' ? "/" : "", path2);
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}
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void
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usage(char *argv0)
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{
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fprintf(stderr, "%s [-c cachefile] repodir\n", argv0);
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exit(1);
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}
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int
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main(int argc, char *argv[])
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{
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@@ -1013,12 +1031,23 @@ main(int argc, char *argv[])
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const git_error *e = NULL;
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FILE *fp, *fpread;
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char path[PATH_MAX], repodirabs[PATH_MAX + 1], *p;
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char tmppath[64] = "cache.XXXXXXXXXXXX", buf[BUFSIZ];
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size_t n;
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int i, fd;
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if (argc != 2) {
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fprintf(stderr, "%s <repodir>\n", argv[0]);
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return 1;
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for (i = 1; i < argc; i++) {
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if (argv[i][0] != '-') {
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if (repodir)
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usage(argv[0]);
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repodir = argv[i];
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} else if (argv[i][1] == 'c') {
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if (i + 1 >= argc)
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usage(argv[0]);
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cachefile = argv[++i];
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}
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}
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repodir = argv[1];
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if (!repodir)
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usage(argv[0]);
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if (!realpath(repodir, repodirabs))
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err(1, "realpath");
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@@ -1088,9 +1117,51 @@ main(int argc, char *argv[])
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/* log for HEAD */
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fp = efopen("log.html", "w");
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relpath = "";
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writeheader(fp, "Log");
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mkdir("commit", 0755);
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writelog(fp, head);
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writeheader(fp, "Log");
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fputs("<table id=\"log\"><thead>\n<tr><td>Date</td><td>Commit message</td>"
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"<td>Author</td><td class=\"num\">Files</td><td class=\"num\">+</td>"
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"<td class=\"num\">-</td></tr>\n</thead><tbody>\n", fp);
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if (cachefile) {
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/* read from cache file (does not need to exist) */
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if ((rcachefp = fopen(cachefile, "r"))) {
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if (!fgets(lastoidstr, sizeof(lastoidstr), rcachefp))
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errx(1, "%s: no object id", cachefile);
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if (git_oid_fromstr(&lastoid, lastoidstr))
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errx(1, "%s: invalid object id", cachefile);
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}
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/* write log to (temporary) cache */
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if ((fd = mkstemp(tmppath)) == -1)
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err(1, "mkstemp");
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if (!(wcachefp = fdopen(fd, "w")))
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err(1, "fdopen");
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/* write last commit id (HEAD) */
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git_oid_tostr(buf, sizeof(buf), head);
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fprintf(wcachefp, "%s\n", buf);
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writelog(fp, head);
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if (rcachefp) {
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/* append previous log to log.html and the new cache */
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while (!feof(rcachefp)) {
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n = fread(buf, 1, sizeof(buf), rcachefp);
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if (ferror(rcachefp))
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err(1, "fread");
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if (fwrite(buf, 1, n, fp) != n)
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err(1, "fwrite");
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if (fwrite(buf, 1, n, wcachefp) != n)
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err(1, "fwrite");
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}
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fclose(rcachefp);
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}
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fclose(wcachefp);
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} else {
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writelog(fp, head);
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}
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fputs("</tbody></table>", fp);
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writefooter(fp);
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fclose(fp);
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@@ -1113,6 +1184,10 @@ main(int argc, char *argv[])
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writeatom(fp);
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fclose(fp);
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/* rename new cache file on success */
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if (cachefile && rename(tmppath, cachefile))
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err(1, "rename: '%s' to '%s'", tmppath, cachefile);
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/* cleanup */
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git_repository_free(repo);
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git_libgit2_shutdown();
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