]> git.armaanb.net Git - stagit.git/blobdiff - stagit.c
Use /usr/local/share
[stagit.git] / stagit.c
index f438a02292f31ad8badeb9e790a972fe2d817adb..264604eb4fffd984ff7ef47993e7ff0d4b44de84 100644 (file)
--- a/stagit.c
+++ b/stagit.c
@@ -1,13 +1,15 @@
 #include <sys/stat.h>
+#include <sys/types.h>
 
 #include <err.h>
 #include <errno.h>
-#include <inttypes.h>
 #include <libgen.h>
 #include <limits.h>
+#include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <time.h>
 #include <unistd.h>
 
 #include <git2.h>
@@ -46,11 +48,6 @@ struct commitinfo {
        size_t ndeltas;
 };
 
-/* summary length (bytes) in the log */
-static const unsigned summarylen = 70;
-/* display line count or file size in file tree index */
-static const int showlinecount = 1;
-
 static git_repository *repo;
 
 static const char *relpath = "";
@@ -60,17 +57,40 @@ static char *name = "";
 static char *strippedname = "";
 static char description[255];
 static char cloneurl[1024];
-static int haslicense, hasreadme, hassubmodules;
+static char *submodules;
+static char *licensefiles[] = { "HEAD:LICENSE", "HEAD:LICENSE.md", "HEAD:COPYING" };
+static char *license;
+static char *readmefiles[] = { "HEAD:README", "HEAD:README.md" };
+static char *readme;
+static long long nlogcommits = -1; /* < 0 indicates not used */
 
 /* cache */
 static git_oid lastoid;
-static char lastoidstr[GIT_OID_HEXSZ + 2]; /* id + newline + nul byte */
+static char lastoidstr[GIT_OID_HEXSZ + 2]; /* id + newline + NUL byte */
 static FILE *rcachefp, *wcachefp;
 static const char *cachefile;
 
-#ifndef USE_PLEDGE
-#define pledge(p1,p2) 0
-#endif
+int cp(char fileSource[], char fileDestination[])
+{
+    int c;
+    FILE *stream_R, *stream_W; 
+
+    stream_R = fopen(fileSource, "r");
+    if (stream_R == NULL)
+        return -1;
+    stream_W = fopen(fileDestination, "w");   //create and write to file
+    if (stream_W == NULL)
+     {
+        fclose(stream_R);
+        return -2;
+     }    
+    while ((c = fgetc(stream_R)) != EOF)
+        fputc(c, stream_W);
+    fclose(stream_R);
+    fclose(stream_W);
+
+    return 0;
+}
 
 void
 joinpath(char *buf, size_t bufsiz, const char *path, const char *path2)
@@ -79,7 +99,7 @@ joinpath(char *buf, size_t bufsiz, const char *path, const char *path2)
 
        r = snprintf(buf, bufsiz, "%s%s%s",
                path, path[0] && path[strlen(path) - 1] != '/' ? "/" : "", path2);
-       if (r == -1 || (size_t)r >= bufsiz)
+       if (r < 0 || (size_t)r >= bufsiz)
                errx(1, "path truncated: '%s%s%s'",
                        path, path[0] && path[strlen(path) - 1] != '/' ? "/" : "", path2);
 }
@@ -90,7 +110,7 @@ deltainfo_free(struct deltainfo *di)
        if (!di)
                return;
        git_patch_free(di->patch);
-       di->patch = NULL;
+       memset(di, 0, sizeof(*di));
        free(di);
 }
 
@@ -98,6 +118,8 @@ int
 commitinfo_getstats(struct commitinfo *ci)
 {
        struct deltainfo *di;
+       git_diff_options opts;
+       git_diff_find_options fopts;
        const git_diff_delta *delta;
        const git_diff_hunk *hunk;
        const git_diff_line *line;
@@ -105,18 +127,40 @@ commitinfo_getstats(struct commitinfo *ci)
        size_t ndeltas, nhunks, nhunklines;
        size_t i, j, k;
 
+       if (git_tree_lookup(&(ci->commit_tree), repo, git_commit_tree_id(ci->commit)))
+               goto err;
+       if (!git_commit_parent(&(ci->parent), ci->commit, 0)) {
+               if (git_tree_lookup(&(ci->parent_tree), repo, git_commit_tree_id(ci->parent))) {
+                       ci->parent = NULL;
+                       ci->parent_tree = NULL;
+               }
+       }
+
+       git_diff_init_options(&opts, GIT_DIFF_OPTIONS_VERSION);
+       opts.flags |= GIT_DIFF_DISABLE_PATHSPEC_MATCH |
+                     GIT_DIFF_IGNORE_SUBMODULES |
+                     GIT_DIFF_INCLUDE_TYPECHANGE;
+       if (git_diff_tree_to_tree(&(ci->diff), repo, ci->parent_tree, ci->commit_tree, &opts))
+               goto err;
+
+       if (git_diff_find_init_options(&fopts, GIT_DIFF_FIND_OPTIONS_VERSION))
+               goto err;
+       /* find renames and copies, exact matches (no heuristic) for renames. */
+       fopts.flags |= GIT_DIFF_FIND_RENAMES | GIT_DIFF_FIND_COPIES |
+                      GIT_DIFF_FIND_EXACT_MATCH_ONLY;
+       if (git_diff_find_similar(ci->diff, &fopts))
+               goto err;
+
        ndeltas = git_diff_num_deltas(ci->diff);
        if (ndeltas && !(ci->deltas = calloc(ndeltas, sizeof(struct deltainfo *))))
                err(1, "calloc");
 
        for (i = 0; i < ndeltas; i++) {
+               if (git_patch_from_diff(&patch, ci->diff, i))
+                       goto err;
+
                if (!(di = calloc(1, sizeof(struct deltainfo))))
                        err(1, "calloc");
-               if (git_patch_from_diff(&patch, ci->diff, i)) {
-                       git_patch_free(patch);
-                       free(di);
-                       goto err;
-               }
                di->patch = patch;
                ci->deltas[i] = di;
 
@@ -149,6 +193,15 @@ commitinfo_getstats(struct commitinfo *ci)
        return 0;
 
 err:
+       git_diff_free(ci->diff);
+       ci->diff = NULL;
+       git_tree_free(ci->commit_tree);
+       ci->commit_tree = NULL;
+       git_tree_free(ci->parent_tree);
+       ci->parent_tree = NULL;
+       git_commit_free(ci->parent);
+       ci->parent = NULL;
+
        if (ci->deltas)
                for (i = 0; i < ci->ndeltas; i++)
                        deltainfo_free(ci->deltas[i]);
@@ -172,13 +225,14 @@ commitinfo_free(struct commitinfo *ci)
        if (ci->deltas)
                for (i = 0; i < ci->ndeltas; i++)
                        deltainfo_free(ci->deltas[i]);
+
        free(ci->deltas);
-       ci->deltas = NULL;
        git_diff_free(ci->diff);
        git_tree_free(ci->commit_tree);
        git_tree_free(ci->parent_tree);
        git_commit_free(ci->commit);
        git_commit_free(ci->parent);
+       memset(ci, 0, sizeof(*ci));
        free(ci);
 }
 
@@ -186,7 +240,6 @@ struct commitinfo *
 commitinfo_getbyoid(const git_oid *id)
 {
        struct commitinfo *ci;
-       git_diff_options opts;
 
        if (!(ci = calloc(1, sizeof(struct commitinfo))))
                err(1, "calloc");
@@ -203,22 +256,6 @@ commitinfo_getbyoid(const git_oid *id)
        ci->summary = git_commit_summary(ci->commit);
        ci->msg = git_commit_message(ci->commit);
 
-       if (git_tree_lookup(&(ci->commit_tree), repo, git_commit_tree_id(ci->commit)))
-               goto err;
-       if (!git_commit_parent(&(ci->parent), ci->commit, 0)) {
-               if (git_tree_lookup(&(ci->parent_tree), repo, git_commit_tree_id(ci->parent))) {
-                       ci->parent = NULL;
-                       ci->parent_tree = NULL;
-               }
-       }
-
-       git_diff_init_options(&opts, GIT_DIFF_OPTIONS_VERSION);
-       opts.flags |= GIT_DIFF_DISABLE_PATHSPEC_MATCH;
-       if (git_diff_tree_to_tree(&(ci->diff), repo, ci->parent_tree, ci->commit_tree, &opts))
-               goto err;
-       if (commitinfo_getstats(ci) == -1)
-               goto err;
-
        return ci;
 
 err:
@@ -233,7 +270,7 @@ efopen(const char *name, const char *flags)
        FILE *fp;
 
        if (!(fp = fopen(name, flags)))
-               err(1, "fopen");
+               err(1, "fopen: '%s'", name);
 
        return fp;
 }
@@ -300,7 +337,7 @@ printtime(FILE *fp, const git_time *intime)
        t = (time_t)intime->time + (intime->offset * 60);
        if (!(intm = gmtime(&t)))
                return;
-       strftime(out, sizeof(out), "%a %b %e %H:%M:%S", intm);
+       strftime(out, sizeof(out), "%a, %e %b %Y %H:%M:%S", intm);
        if (intime->offset < 0)
                fprintf(fp, "%s -%02d%02d", out,
                            -(intime->offset) / 60, -(intime->offset) % 60);
@@ -329,6 +366,7 @@ writeheader(FILE *fp, const char *title)
        fputs("<!DOCTYPE html>\n"
                "<html>\n<head>\n"
                "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\" />\n"
+               "<meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\" />\n"
                "<title>", fp);
        xmlencode(fp, title, strlen(title));
        if (title[0] && strippedname[0])
@@ -340,7 +378,8 @@ writeheader(FILE *fp, const char *title)
        fprintf(fp, "</title>\n<link rel=\"icon\" type=\"image/png\" href=\"%sfavicon.png\" />\n", relpath);
        fprintf(fp, "<link rel=\"alternate\" type=\"application/atom+xml\" title=\"%s Atom Feed\" href=\"%satom.xml\" />\n",
                name, relpath);
-       fprintf(fp, "<link rel=\"stylesheet\" type=\"text/css\" href=\"%sstyle.css\" />\n", relpath);
+       fprintf(fp, "<link rel=\"stylesheet\" type=\"text/css\" href=\"%sstyle.min.css\" />\n", relpath);
+       fprintf(fp, "<link rel=\"stylesheet\" type=\"text/css\" href=\"%ssyntax.css\" />\n", relpath);
        fputs("</head>\n<body>\n<table><tr><td>", fp);
        fprintf(fp, "<a href=\"../%s\"><img src=\"%slogo.png\" alt=\"\" width=\"32\" height=\"32\" /></a>",
                relpath, relpath);
@@ -350,22 +389,25 @@ writeheader(FILE *fp, const char *title)
        xmlencode(fp, description, strlen(description));
        fputs("</span></td></tr>", fp);
        if (cloneurl[0]) {
-               fputs("<tr class=\"url\"><td></td><td>git clone <a href=\"", fp);
+               fputs("<tr class=\"url\"><td></td><td><span class=\"clone\">git clone <a href=\"", fp);
                xmlencode(fp, cloneurl, strlen(cloneurl));
                fputs("\">", fp);
                xmlencode(fp, cloneurl, strlen(cloneurl));
-               fputs("</a></td></tr>", fp);
+               fputs("</a></span></td></tr>", fp);
        }
        fputs("<tr><td></td><td>\n", fp);
        fprintf(fp, "<a href=\"%slog.html\">Log</a> | ", relpath);
        fprintf(fp, "<a href=\"%sfiles.html\">Files</a> | ", relpath);
        fprintf(fp, "<a href=\"%srefs.html\">Refs</a>", relpath);
-       if (hassubmodules)
-               fprintf(fp, " | <a href=\"%sfile/.gitmodules.html\">Submodules</a>", relpath);
-       if (hasreadme)
-               fprintf(fp, " | <a href=\"%sfile/README.html\">README</a>", relpath);
-       if (haslicense)
-               fprintf(fp, " | <a href=\"%sfile/LICENSE.html\">LICENSE</a>", relpath);
+       if (submodules)
+               fprintf(fp, " | <a href=\"%sfile/%s.html\">Submodules</a>",
+                       relpath, submodules);
+       if (readme)
+               fprintf(fp, " | <a href=\"%sfile/%s.html\">README</a>",
+                       relpath, readme);
+       if (license)
+               fprintf(fp, " | <a href=\"%sfile/%s.html\">LICENSE</a>",
+                       relpath, license);
        fputs("</td></tr></table>\n<hr/>\n<div id=\"content\">\n", fp);
 }
 
@@ -376,35 +418,50 @@ writefooter(FILE *fp)
 }
 
 int
-writeblobhtml(FILE *fp, const git_blob *blob)
+call_py(const char *filename, FILE *fp, const char *s, size_t len)
+{
+       // Flush HTML-file
+       fflush(fp);
+       // Copy STDOUT
+       int stdout_copy = dup(1);
+       // Redirect STDOUT
+       dup2(fileno(fp), 1);
+
+       // Python Pygments script for syntax highlighting.
+       FILE *child = popen("/usr/local/share/stagit/highlight.py", "w");
+       if (child == NULL) {
+               printf("child is null: %s", strerror(errno));
+               exit(1);
+       }
+       // Give filename through STDIN:
+       fprintf(child, "%s\n", filename);
+       // Give code to highlight through STDIN:
+       int lc;
+       size_t i;
+       for (i = 0; *s && i < len; s++, i++) {
+               if (*s == '\n') lc++;
+               fprintf(child, "%c", *s);
+       }
+
+       pclose(child);
+       fflush(stdout);
+       // Give back STDOUT.
+       dup2(stdout_copy, 1);
+       return lc;
+}
+
+int
+writeblobhtml(const char *filename, FILE *fp, const git_blob *blob)
 {
-       size_t n = 0, i, prev;
-       const char *nfmt = "<a href=\"#l%d\" class=\"line\" id=\"l%d\">%6d</a> ";
+       int lc = 0;
        const char *s = git_blob_rawcontent(blob);
        git_off_t len = git_blob_rawsize(blob);
 
-       fputs("<pre id=\"blob\">\n", fp);
-
        if (len > 0) {
-               for (i = 0, prev = 0; i < (size_t)len; i++) {
-                       if (s[i] != '\n')
-                               continue;
-                       n++;
-                       fprintf(fp, nfmt, n, n, n);
-                       xmlencode(fp, &s[prev], i - prev + 1);
-                       prev = i + 1;
-               }
-               /* trailing data */
-               if ((i - prev) > 0) {
-                       n++;
-                       fprintf(fp, nfmt, n, n, n);
-                       xmlencode(fp, &s[prev], len - prev);
-               }
+               lc = call_py(filename, fp, s, len);
        }
 
-       fputs("</pre>\n", fp);
-
-       return n;
+       return lc;
 }
 
 void
@@ -444,6 +501,7 @@ printshowfile(FILE *fp, struct commitinfo *ci)
        git_patch *patch;
        size_t nhunks, nhunklines, changed, add, del, total, i, j, k;
        char linestr[80];
+       int c;
 
        printcommit(fp, ci);
 
@@ -462,7 +520,22 @@ printshowfile(FILE *fp, struct commitinfo *ci)
        fputs("<b>Diffstat:</b>\n<table>", fp);
        for (i = 0; i < ci->ndeltas; i++) {
                delta = git_patch_get_delta(ci->deltas[i]->patch);
-               fprintf(fp, "<tr><td><a href=\"#h%zu\">", i);
+
+               switch (delta->status) {
+               case GIT_DELTA_ADDED:      c = 'A'; break;
+               case GIT_DELTA_COPIED:     c = 'C'; break;
+               case GIT_DELTA_DELETED:    c = 'D'; break;
+               case GIT_DELTA_MODIFIED:   c = 'M'; break;
+               case GIT_DELTA_RENAMED:    c = 'R'; break;
+               case GIT_DELTA_TYPECHANGE: c = 'T'; break;
+               default:                   c = ' '; break;
+               }
+               if (c == ' ')
+                       fprintf(fp, "<tr><td>%c", c);
+               else
+                       fprintf(fp, "<tr><td class=\"%c\">%c", c, c);
+
+               fprintf(fp, "</td><td><a href=\"#h%zu\">", i);
                xmlencode(fp, delta->old_file.path, strlen(delta->old_file.path));
                if (strcmp(delta->old_file.path, delta->new_file.path)) {
                        fputs(" -&gt; ", fp);
@@ -499,9 +572,15 @@ printshowfile(FILE *fp, struct commitinfo *ci)
        for (i = 0; i < ci->ndeltas; i++) {
                patch = ci->deltas[i]->patch;
                delta = git_patch_get_delta(patch);
-               fprintf(fp, "<b>diff --git a/<a id=\"h%zu\" href=\"%sfile/%s.html\">%s</a> b/<a href=\"%sfile/%s.html\">%s</a></b>\n",
-                       i, relpath, delta->old_file.path, delta->old_file.path,
-                       relpath, delta->new_file.path, delta->new_file.path);
+               fprintf(fp, "<b>diff --git a/<a id=\"h%zu\" href=\"%sfile/", i, relpath);
+               xmlencode(fp, delta->old_file.path, strlen(delta->old_file.path));
+               fputs(".html\">", fp);
+               xmlencode(fp, delta->old_file.path, strlen(delta->old_file.path));
+               fprintf(fp, "</a> b/<a href=\"%sfile/", relpath);
+               xmlencode(fp, delta->new_file.path, strlen(delta->new_file.path));
+               fprintf(fp, ".html\">");
+               xmlencode(fp, delta->new_file.path, strlen(delta->new_file.path));
+               fprintf(fp, "</a></b>\n");
 
                /* check binary data */
                if (delta->flags & GIT_DIFF_FLAG_BINARY) {
@@ -540,20 +619,13 @@ printshowfile(FILE *fp, struct commitinfo *ci)
 void
 writelogline(FILE *fp, struct commitinfo *ci)
 {
-       size_t len;
-
        fputs("<tr><td>", fp);
        if (ci->author)
                printtimeshort(fp, &(ci->author->when));
        fputs("</td><td>", fp);
        if (ci->summary) {
                fprintf(fp, "<a href=\"%scommit/%s.html\">", relpath, ci->oid);
-               if ((len = strlen(ci->summary)) > summarylen) {
-                       xmlencode(fp, ci->summary, summarylen - 1);
-                       fputs("…", fp);
-               } else {
-                       xmlencode(fp, ci->summary, len);
-               }
+               xmlencode(fp, ci->summary, strlen(ci->summary));
                fputs("</a>", fp);
        }
        fputs("</td><td>", fp);
@@ -574,13 +646,12 @@ writelog(FILE *fp, const git_oid *oid)
        struct commitinfo *ci;
        git_revwalk *w = NULL;
        git_oid id;
-       char path[PATH_MAX];
+       char path[PATH_MAX], oidstr[GIT_OID_HEXSZ + 1];
        FILE *fpfile;
        int r;
 
        git_revwalk_new(&w, repo);
        git_revwalk_push(w, oid);
-       git_revwalk_sorting(w, GIT_SORT_TIME);
        git_revwalk_simplify_first_parent(w);
 
        while (!git_revwalk_next(&id, w)) {
@@ -588,21 +659,41 @@ writelog(FILE *fp, const git_oid *oid)
 
                if (cachefile && !memcmp(&id, &lastoid, sizeof(id)))
                        break;
+
+               git_oid_tostr(oidstr, sizeof(oidstr), &id);
+               r = snprintf(path, sizeof(path), "commit/%s.html", oidstr);
+               if (r < 0 || (size_t)r >= sizeof(path))
+                       errx(1, "path truncated: 'commit/%s.html'", oidstr);
+               r = access(path, F_OK);
+
+               /* optimization: if there are no log lines to write and
+                  the commit file already exists: skip the diffstat */
+               if (!nlogcommits && !r)
+                       continue;
+
                if (!(ci = commitinfo_getbyoid(&id)))
                        break;
+               /* diffstat: for stagit HTML required for the log.html line */
+               if (commitinfo_getstats(ci) == -1)
+                       goto err;
+
+               if (nlogcommits < 0) {
+                       writelogline(fp, ci);
+               } else if (nlogcommits > 0) {
+                       writelogline(fp, ci);
+                       nlogcommits--;
+                       if (!nlogcommits && ci->parentoid[0])
+                               fputs("<tr><td></td><td colspan=\"5\">"
+                                     "More commits remaining [...]</td>"
+                                     "</tr>\n", fp);
+               }
 
-               writelogline(fp, ci);
                if (cachefile)
                        writelogline(wcachefp, ci);
 
-               relpath = "../";
-
-               r = snprintf(path, sizeof(path), "commit/%s.html", ci->oid);
-               if (r == -1 || (size_t)r >= sizeof(path))
-                       errx(1, "path truncated: 'commit/%s.html'", ci->oid);
-
                /* check if file exists if so skip it */
-               if (access(path, F_OK)) {
+               if (r) {
+                       relpath = "../";
                        fpfile = efopen(path, "w");
                        writeheader(fpfile, ci->summary);
                        fputs("<pre>", fpfile);
@@ -611,6 +702,7 @@ writelog(FILE *fp, const git_oid *oid)
                        writefooter(fpfile);
                        fclose(fpfile);
                }
+err:
                commitinfo_free(ci);
        }
        git_revwalk_free(w);
@@ -641,11 +733,11 @@ printcommitatom(FILE *fp, struct commitinfo *ci)
                xmlencode(fp, ci->summary, strlen(ci->summary));
                fputs("</title>\n", fp);
        }
-       fprintf(fp, "<link rel=\"alternate\" type=\"text/html\" href=\"commit/%s.html\" />",
+       fprintf(fp, "<link rel=\"alternate\" type=\"text/html\" href=\"commit/%s.html\" />\n",
                ci->oid);
 
        if (ci->author) {
-               fputs("<author><name>", fp);
+               fputs("<author>\n<name>", fp);
                xmlencode(fp, ci->author->name, strlen(ci->author->name));
                fputs("</name>\n<email>", fp);
                xmlencode(fp, ci->author->email, strlen(ci->author->email));
@@ -689,7 +781,6 @@ writeatom(FILE *fp)
 
        git_revwalk_new(&w, repo);
        git_revwalk_push_head(w);
-       git_revwalk_sorting(w, GIT_SORT_TIME);
        git_revwalk_simplify_first_parent(w);
 
        for (i = 0; i < m && !git_revwalk_next(&id, w); i++) {
@@ -736,7 +827,7 @@ writeblob(git_object *obj, const char *fpath, const char *filename, git_off_t fi
        if (git_blob_is_binary((git_blob *)obj)) {
                fputs("<p>Binary file.</p>\n", fp);
        } else {
-               lc = writeblobhtml(fp, (git_blob *)obj);
+               lc = writeblobhtml(filename, fp, (git_blob *)obj);
                if (ferror(fp))
                        err(1, "fwrite");
        }
@@ -811,7 +902,7 @@ writefilestree(FILE *fp, git_tree *tree, const char *path)
 
                r = snprintf(filepath, sizeof(filepath), "file/%s.html",
                         entrypath);
-               if (r == -1 || (size_t)r >= sizeof(filepath))
+               if (r < 0 || (size_t)r >= sizeof(filepath))
                        errx(1, "path truncated: 'file/%s.html'", entrypath);
 
                if (!git_tree_entry_to_object(&obj, repo, entry)) {
@@ -836,10 +927,12 @@ writefilestree(FILE *fp, git_tree *tree, const char *path)
 
                        fputs("<tr><td>", fp);
                        fputs(filemode(git_tree_entry_filemode(entry)), fp);
-                       fprintf(fp, "</td><td><a href=\"%s%s\">", relpath, filepath);
+                       fprintf(fp, "</td><td><a href=\"%s", relpath);
+                       xmlencode(fp, filepath, strlen(filepath));
+                       fputs("\">", fp);
                        xmlencode(fp, entrypath, strlen(entrypath));
                        fputs("</a></td><td class=\"num\" align=\"right\">", fp);
-                       if (showlinecount && lc > 0)
+                       if (lc > 0)
                                fprintf(fp, "%dL", lc);
                        else
                                fprintf(fp, "%juB", (uintmax_t)filesize);
@@ -998,7 +1091,7 @@ err:
 void
 usage(char *argv0)
 {
-       fprintf(stderr, "%s [-c cachefile] repodir\n", argv0);
+       fprintf(stderr, "%s [-c cachefile | -l commits] repodir\n", argv0);
        exit(1);
 }
 
@@ -1007,25 +1100,30 @@ main(int argc, char *argv[])
 {
        git_object *obj = NULL;
        const git_oid *head = NULL;
-       const git_error *e = NULL;
+       mode_t mask;
        FILE *fp, *fpread;
        char path[PATH_MAX], repodirabs[PATH_MAX + 1], *p;
        char tmppath[64] = "cache.XXXXXXXXXXXX", buf[BUFSIZ];
        size_t n;
        int i, fd;
 
-       if (pledge("stdio rpath wpath cpath", NULL) == -1)
-               err(1, "pledge");
-
        for (i = 1; i < argc; i++) {
                if (argv[i][0] != '-') {
                        if (repodir)
                                usage(argv[0]);
                        repodir = argv[i];
                } else if (argv[i][1] == 'c') {
-                       if (i + 1 >= argc)
+                       if (nlogcommits > 0 || i + 1 >= argc)
                                usage(argv[0]);
                        cachefile = argv[++i];
+               } else if (argv[i][1] == 'l') {
+                       if (cachefile || i + 1 >= argc)
+                               usage(argv[0]);
+                       errno = 0;
+                       nlogcommits = strtoll(argv[++i], &p, 10);
+                       if (argv[i][0] == '\0' || *p != '\0' ||
+                           nlogcommits <= 0 || errno)
+                               usage(argv[0]);
                }
        }
        if (!repodir)
@@ -1036,10 +1134,26 @@ main(int argc, char *argv[])
 
        git_libgit2_init();
 
+#ifdef __OpenBSD__
+       if (unveil(repodir, "r") == -1)
+               err(1, "unveil: %s", repodir);
+       if (unveil(".", "rwc") == -1)
+               err(1, "unveil: .");
+       if (cachefile && unveil(cachefile, "rwc") == -1)
+               err(1, "unveil: %s", cachefile);
+
+       if (cachefile) {
+               if (pledge("stdio rpath wpath cpath fattr", NULL) == -1)
+                       err(1, "pledge");
+       } else {
+               if (pledge("stdio rpath wpath cpath", NULL) == -1)
+                       err(1, "pledge");
+       }
+#endif
+
        if (git_repository_open_ext(&repo, repodir,
                GIT_REPOSITORY_OPEN_NO_SEARCH, NULL) < 0) {
-               e = giterr_last();
-               fprintf(stderr, "%s: %s\n", argv[0], e->message);
+               fprintf(stderr, "%s: cannot open repository\n", argv[0]);
                return 1;
        }
 
@@ -1048,16 +1162,19 @@ main(int argc, char *argv[])
                head = git_object_id(obj);
        git_object_free(obj);
 
-       /* don't cache if there is no HEAD */
-       if (!head)
-               cachefile = NULL;
-
        /* use directory name as name */
        if ((name = strrchr(repodirabs, '/')))
                name++;
        else
                name = "";
 
+       /* copy css */
+       char cwd[PATH_MAX];
+       strcpy(cwd, getcwd(cwd, sizeof(cwd)));
+       cp("/usr/local/share/stagit/syntax.css", strcat(cwd, "/syntax.css"));
+       strcpy(cwd, getcwd(cwd, sizeof(cwd)));
+       cp("/usr/local/share/stagit/style.min.css", strcat(cwd, "/style.min.css"));
+
        /* strip .git suffix */
        if (!(strippedname = strdup(name)))
                err(1, "strdup");
@@ -1091,31 +1208,38 @@ main(int argc, char *argv[])
        }
 
        /* check LICENSE */
-       haslicense = (!git_revparse_single(&obj, repo, "HEAD:LICENSE") &&
-               git_object_type(obj) == GIT_OBJ_BLOB);
-       git_object_free(obj);
+       for (i = 0; i < sizeof(licensefiles) / sizeof(*licensefiles) && !license; i++) {
+               if (!git_revparse_single(&obj, repo, licensefiles[i]) &&
+                   git_object_type(obj) == GIT_OBJ_BLOB)
+                       license = licensefiles[i] + strlen("HEAD:");
+               git_object_free(obj);
+       }
 
        /* check README */
-       hasreadme = (!git_revparse_single(&obj, repo, "HEAD:README") &&
-               git_object_type(obj) == GIT_OBJ_BLOB);
-       git_object_free(obj);
+       for (i = 0; i < sizeof(readmefiles) / sizeof(*readmefiles) && !readme; i++) {
+               if (!git_revparse_single(&obj, repo, readmefiles[i]) &&
+                   git_object_type(obj) == GIT_OBJ_BLOB)
+                       readme = readmefiles[i] + strlen("HEAD:");
+               git_object_free(obj);
+       }
 
-       hassubmodules = (!git_revparse_single(&obj, repo, "HEAD:.gitmodules") &&
-               git_object_type(obj) == GIT_OBJ_BLOB);
+       if (!git_revparse_single(&obj, repo, "HEAD:.gitmodules") &&
+           git_object_type(obj) == GIT_OBJ_BLOB)
+               submodules = ".gitmodules";
        git_object_free(obj);
 
        /* log for HEAD */
        fp = efopen("log.html", "w");
        relpath = "";
-       mkdir("commit", 0755);
+       mkdir("commit", S_IRWXU | S_IRWXG | S_IRWXO);
        writeheader(fp, "Log");
        fputs("<table id=\"log\"><thead>\n<tr><td><b>Date</b></td>"
-             "<td><b>Commit message</b></td>"
+             "<td><b>Commit</b></td>"
              "<td><b>Author</b></td><td class=\"num\" align=\"right\"><b>Files</b></td>"
              "<td class=\"num\" align=\"right\"><b>+</b></td>"
              "<td class=\"num\" align=\"right\"><b>-</b></td></tr>\n</thead><tbody>\n", fp);
 
-       if (cachefile) {
+       if (cachefile && head) {
                /* read from cache file (does not need to exist) */
                if ((rcachefp = fopen(cachefile, "r"))) {
                        if (!fgets(lastoidstr, sizeof(lastoidstr), rcachefp))
@@ -1128,7 +1252,7 @@ main(int argc, char *argv[])
                if ((fd = mkstemp(tmppath)) == -1)
                        err(1, "mkstemp");
                if (!(wcachefp = fdopen(fd, "w")))
-                       err(1, "fdopen");
+                       err(1, "fdopen: '%s'", tmppath);
                /* write last commit id (HEAD) */
                git_oid_tostr(buf, sizeof(buf), head);
                fprintf(wcachefp, "%s\n", buf);
@@ -1178,8 +1302,14 @@ main(int argc, char *argv[])
        fclose(fp);
 
        /* rename new cache file on success */
-       if (cachefile && rename(tmppath, cachefile))
-               err(1, "rename: '%s' to '%s'", tmppath, cachefile);
+       if (cachefile && head) {
+               if (rename(tmppath, cachefile))
+                       err(1, "rename: '%s' to '%s'", tmppath, cachefile);
+               umask((mask = umask(0)));
+               if (chmod(cachefile,
+                   (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH) & ~mask))
+                       err(1, "chmod: '%s'", cachefile);
+       }
 
        /* cleanup */
        git_repository_free(repo);