]> git.armaanb.net Git - stagit.git/blobdiff - stagit.c
ignore object 0000000000000000000000000000000000000000
[stagit.git] / stagit.c
index 434abb8fb359199fdc20b9881a455f8a09f62474..3362fe5fca417fab35719c2580ebbd8d8b336bdf 100644 (file)
--- a/stagit.c
+++ b/stagit.c
@@ -46,18 +46,13 @@ 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 = "";
 static const char *repodir;
 
 static char *name = "";
-static char *strippedname;
+static char *strippedname = "";
 static char description[255];
 static char cloneurl[1024];
 static int haslicense, hasreadme, hassubmodules;
@@ -69,11 +64,7 @@ static FILE *rcachefp, *wcachefp;
 static const char *cachefile;
 
 #ifndef USE_PLEDGE
-int
-pledge(const char *promises, const char *paths[])
-{
-       return 0;
-}
+#define pledge(p1,p2) 0
 #endif
 
 void
@@ -114,18 +105,16 @@ commitinfo_getstats(struct commitinfo *ci)
                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);
-                       goto err;
-               }
                di->patch = patch;
                ci->deltas[i] = di;
 
                delta = git_patch_get_delta(patch);
 
-               /* check binary data */
+               /* skip stats for binary data */
                if (delta->flags & GIT_DIFF_FLAG_BINARY)
                        continue;
 
@@ -181,6 +170,8 @@ commitinfo_free(struct commitinfo *ci)
        git_tree_free(ci->commit_tree);
        git_tree_free(ci->parent_tree);
        git_commit_free(ci->commit);
+       git_commit_free(ci->parent);
+       free(ci);
 }
 
 struct commitinfo *
@@ -217,14 +208,11 @@ commitinfo_getbyoid(const git_oid *id)
        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:
        commitinfo_free(ci);
-       free(ci);
 
        return NULL;
 }
@@ -250,7 +238,7 @@ xmlencode(FILE *fp, const char *s, size_t len)
                switch(*s) {
                case '<':  fputs("&lt;",   fp); break;
                case '>':  fputs("&gt;",   fp); break;
-               case '\'': fputs("&apos;", fp); break;
+               case '\'': fputs("&#39;",  fp); break;
                case '&':  fputs("&amp;",  fp); break;
                case '"':  fputs("&quot;", fp); break;
                default:   fputc(*s, fp);
@@ -297,19 +285,18 @@ printtime(FILE *fp, const git_time *intime)
 {
        struct tm *intm;
        time_t t;
-       int offset, sign = '+';
        char out[32];
 
-       offset = intime->offset * 60;
-       t = (time_t)intime->time + offset;
+       t = (time_t)intime->time + (intime->offset * 60);
        if (!(intm = gmtime(&t)))
                return;
-       strftime(out, sizeof(out), "%a %b %e %H:%M:%S", intm);
-       if (offset < 0) {
-               offset = -offset;
-               sign = '-';
-       }
-       fprintf(fp, "%s %c%02d%02d", out, sign, offset / 60, offset % 60);
+       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);
+       else
+               fprintf(fp, "%s +%02d%02d", out,
+                           intime->offset / 60, intime->offset % 60);
 }
 
 void
@@ -330,9 +317,9 @@ void
 writeheader(FILE *fp, const char *title)
 {
        fputs("<!DOCTYPE html>\n"
-               "<html dir=\"ltr\" lang=\"en\">\n<head>\n"
+               "<html>\n<head>\n"
                "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\" />\n"
-               "<meta http-equiv=\"Content-Language\" content=\"en\" />\n<title>", fp);
+               "<title>", fp);
        xmlencode(fp, title, strlen(title));
        if (title[0] && strippedname[0])
                fputs(" - ", fp);
@@ -381,28 +368,31 @@ writefooter(FILE *fp)
 int
 writeblobhtml(FILE *fp, const git_blob *blob)
 {
-       off_t i;
-       size_t n = 0;
-       char *nfmt = "<a href=\"#l%d\" id=\"l%d\">%d</a>\n";
+       size_t n = 0, i, prev;
+       const char *nfmt = "<a href=\"#l%d\" class=\"line\" id=\"l%d\">%7d</a> ";
        const char *s = git_blob_rawcontent(blob);
        git_off_t len = git_blob_rawsize(blob);
 
-       fputs("<table id=\"blob\"><tr><td class=\"num\"><pre>\n", fp);
+       fputs("<pre id=\"blob\">\n", fp);
 
-       if (len) {
-               n++;
-               fprintf(fp, nfmt, n, n, n);
-               for (i = 0; i < len - 1; i++) {
-                       if (s[i] == '\n') {
-                               n++;
-                               fprintf(fp, nfmt, n, n, n);
-                       }
+       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 ((len - prev) > 0) {
+                       n++;
+                       fprintf(fp, nfmt, n, n, n);
+                       xmlencode(fp, &s[prev], len - prev);
                }
        }
 
-       fputs("</pre></td><td><pre>\n", fp);
-       xmlencode(fp, s, (size_t)len);
-       fputs("</pre></td></tr></table>\n", fp);
+       fputs("</pre>\n", fp);
 
        return n;
 }
@@ -454,7 +444,7 @@ printshowfile(FILE *fp, struct commitinfo *ci)
            ci->ndeltas   > 1000   ||
            ci->addcount  > 100000 ||
            ci->delcount  > 100000) {
-               fprintf(fp, "(diff is too large, output suppressed)");
+               fputs("Diff is too large, output suppressed.\n", fp);
                return;
        }
 
@@ -462,7 +452,7 @@ 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);
-               fputs("<tr><td>", fp);
+               fprintf(fp, "<tr><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);
@@ -482,14 +472,14 @@ printshowfile(FILE *fp, struct commitinfo *ci)
                memset(&linestr, '+', add);
                memset(&linestr[add], '-', del);
 
-               fprintf(fp, "</td><td> | </td><td class=\"num\">%zu</td><td><span class=\"i\">",
+               fprintf(fp, "</a></td><td> | </td><td class=\"num\">%zu</td><td><span class=\"i\">",
                        ci->deltas[i]->addcount + ci->deltas[i]->delcount);
                fwrite(&linestr, 1, add, fp);
                fputs("</span><span class=\"d\">", fp);
                fwrite(&linestr[add], 1, del, fp);
                fputs("</span></td></tr>\n", fp);
        }
-       fprintf(fp, "</table>%zu file%s changed, %zu insertion%s(+), %zu deletion%s(-)\n",
+       fprintf(fp, "</table></pre><pre>%zu file%s changed, %zu insertion%s(+), %zu deletion%s(-)\n",
                ci->filecount, ci->filecount == 1 ? "" : "s",
                ci->addcount,  ci->addcount  == 1 ? "" : "s",
                ci->delcount,  ci->delcount  == 1 ? "" : "s");
@@ -499,13 +489,13 @@ 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 href=\"%sfile/%s.html\">%s</a> b/<a href=\"%sfile/%s.html\">%s</a></b>\n",
-                       relpath, delta->old_file.path, delta->old_file.path,
+               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);
 
                /* check binary data */
                if (delta->flags & GIT_DIFF_FLAG_BINARY) {
-                       fputs("Binary files differ\n", fp);
+                       fputs("Binary files differ.\n", fp);
                        continue;
                }
 
@@ -540,30 +530,23 @@ 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);
        if (ci->author)
                xmlencode(fp, ci->author->name, strlen(ci->author->name));
-       fputs("</td><td class=\"num\">", fp);
+       fputs("</td><td class=\"num\" align=\"right\">", fp);
        fprintf(fp, "%zu", ci->filecount);
-       fputs("</td><td class=\"num\">", fp);
+       fputs("</td><td class=\"num\" align=\"right\">", fp);
        fprintf(fp, "+%zu", ci->addcount);
-       fputs("</td><td class=\"num\">", fp);
+       fputs("</td><td class=\"num\" align=\"right\">", fp);
        fprintf(fp, "-%zu", ci->delcount);
        fputs("</td></tr>\n", fp);
 }
@@ -590,6 +573,9 @@ writelog(FILE *fp, const git_oid *oid)
                        break;
                if (!(ci = commitinfo_getbyoid(&id)))
                        break;
+               /* lookup stats: only required here */
+               if (commitinfo_getstats(ci) == -1)
+                       goto err;
 
                writelogline(fp, ci);
                if (cachefile)
@@ -611,6 +597,7 @@ writelog(FILE *fp, const git_oid *oid)
                        writefooter(fpfile);
                        fclose(fpfile);
                }
+err:
                commitinfo_free(ci);
        }
        git_revwalk_free(w);
@@ -700,7 +687,7 @@ writeatom(FILE *fp)
        }
        git_revwalk_free(w);
 
-       fputs("</feed>", fp);
+       fputs("</feed>\n", fp);
 
        return 0;
 }
@@ -723,7 +710,6 @@ writeblob(git_object *obj, const char *fpath, const char *filename, git_off_t fi
        for (p = fpath, tmp[0] = '\0'; *p; p++) {
                if (*p == '/' && strlcat(tmp, "../", sizeof(tmp)) >= sizeof(tmp))
                        errx(1, "path truncated: '../%s'", tmp);
-               p++;
        }
        relpath = tmp;
 
@@ -735,7 +721,7 @@ writeblob(git_object *obj, const char *fpath, const char *filename, git_off_t fi
        fputs("</p><hr/>", fp);
 
        if (git_blob_is_binary((git_blob *)obj)) {
-               fputs("<p>Binary file</p>\n", fp);
+               fputs("<p>Binary file.</p>\n", fp);
        } else {
                lc = writeblobhtml(fp, (git_blob *)obj);
                if (ferror(fp))
@@ -792,7 +778,7 @@ filemode(git_filemode_t m)
 }
 
 int
-writefilestree(FILE *fp, git_tree *tree, const char *branch, const char *path)
+writefilestree(FILE *fp, git_tree *tree, const char *path)
 {
        const git_tree_entry *entry = NULL;
        git_submodule *module = NULL;
@@ -821,7 +807,7 @@ writefilestree(FILE *fp, git_tree *tree, const char *branch, const char *path)
                                break;
                        case GIT_OBJ_TREE:
                                /* NOTE: recurses */
-                               ret = writefilestree(fp, (git_tree *)obj, branch,
+                               ret = writefilestree(fp, (git_tree *)obj,
                                                     entrypath);
                                git_object_free(obj);
                                if (ret)
@@ -839,18 +825,19 @@ writefilestree(FILE *fp, git_tree *tree, const char *branch, const char *path)
                        fputs(filemode(git_tree_entry_filemode(entry)), fp);
                        fprintf(fp, "</td><td><a href=\"%s%s\">", relpath, filepath);
                        xmlencode(fp, entrypath, strlen(entrypath));
-                       fputs("</a></td><td class=\"num\">", fp);
-                       if (showlinecount && lc > 0)
+                       fputs("</a></td><td class=\"num\" align=\"right\">", fp);
+                       if (lc > 0)
                                fprintf(fp, "%dL", lc);
                        else
                                fprintf(fp, "%juB", (uintmax_t)filesize);
                        fputs("</td></tr>\n", fp);
+                       git_object_free(obj);
                } else if (!git_submodule_lookup(&module, repo, entryname)) {
                        fprintf(fp, "<tr><td>m---------</td><td><a href=\"%sfile/.gitmodules.html\">",
                                relpath);
                        xmlencode(fp, entrypath, strlen(entrypath));
                        git_submodule_free(module);
-                       fputs("</a></td><td class=\"num\"></td></tr>\n", fp);
+                       fputs("</a></td><td class=\"num\" align=\"right\"></td></tr>\n", fp);
                }
        }
 
@@ -858,22 +845,21 @@ writefilestree(FILE *fp, git_tree *tree, const char *branch, const char *path)
 }
 
 int
-writefiles(FILE *fp, const git_oid *id, const char *branch)
+writefiles(FILE *fp, const git_oid *id)
 {
        git_tree *tree = NULL;
        git_commit *commit = NULL;
        int ret = -1;
 
        fputs("<table id=\"files\"><thead>\n<tr>"
-             "<td>Mode</td><td>Name</td><td class=\"num\">Size</td>"
+             "<td><b>Mode</b></td><td><b>Name</b></td>"
+             "<td class=\"num\" align=\"right\"><b>Size</b></td>"
              "</tr>\n</thead><tbody>\n", fp);
 
-       if (git_commit_lookup(&commit, repo, id) ||
-           git_commit_tree(&tree, commit))
-               goto err;
-       ret = writefilestree(fp, tree, branch, "");
+       if (!git_commit_lookup(&commit, repo, id) &&
+           !git_commit_tree(&tree, commit))
+               ret = writefilestree(fp, tree, "");
 
-err:
        fputs("</tbody></table>", fp);
 
        git_commit_free(commit);
@@ -887,13 +873,10 @@ refs_cmp(const void *v1, const void *v2)
 {
        git_reference *r1 = (*(git_reference **)v1);
        git_reference *r2 = (*(git_reference **)v2);
-       int t1, t2;
-
-       t1 = git_reference_is_branch(r1);
-       t2 = git_reference_is_branch(r2);
+       int r;
 
-       if (t1 != t2)
-               return t1 - t2;
+       if ((r = git_reference_is_branch(r1) - git_reference_is_branch(r2)))
+               return r;
 
        return strcmp(git_reference_shorthand(r1),
                      git_reference_shorthand(r2));
@@ -944,9 +927,8 @@ writerefs(FILE *fp)
                        default:
                                continue;
                        }
-                       if (!(id = git_reference_target(r)))
-                               goto err;
-                       if (git_reference_peel(&obj, r, GIT_OBJ_ANY))
+                       if (!git_reference_target(r) ||
+                           git_reference_peel(&obj, r, GIT_OBJ_ANY))
                                goto err;
                        if (!(id = git_object_id(obj)))
                                goto err;
@@ -955,9 +937,12 @@ writerefs(FILE *fp)
 
                        /* print header if it has an entry (first). */
                        if (++count == 1) {
-                               fprintf(fp, "<h2>%s</h2><table id=\"%s\"><thead>\n<tr><td>Name</td>"
-                                     "<td>Last commit date</td><td>Author</td>\n</tr>\n</thead><tbody>\n",
-                                     titles[j], ids[j]);
+                               fprintf(fp, "<h2>%s</h2><table id=\"%s\">"
+                                       "<thead>\n<tr><td><b>Name</b></td>"
+                                       "<td><b>Last commit date</b></td>"
+                                       "<td><b>Author</b></td>\n</tr>\n"
+                                       "</thead><tbody>\n",
+                                        titles[j], ids[j]);
                        }
 
                        relpath = "";
@@ -1046,11 +1031,14 @@ main(int argc, char *argv[])
        }
 
        /* find HEAD */
-       if (git_revparse_single(&obj, repo, "HEAD"))
-               return 1;
-       head = git_object_id(obj);
+       if (!git_revparse_single(&obj, repo, "HEAD"))
+               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++;
@@ -1090,12 +1078,17 @@ main(int argc, char *argv[])
        }
 
        /* check LICENSE */
-       haslicense = !git_revparse_single(&obj, repo, "HEAD:LICENSE");
+       haslicense = (!git_revparse_single(&obj, repo, "HEAD:LICENSE") &&
+               git_object_type(obj) == GIT_OBJ_BLOB);
        git_object_free(obj);
+
        /* check README */
-       hasreadme = !git_revparse_single(&obj, repo, "HEAD:README");
+       hasreadme = (!git_revparse_single(&obj, repo, "HEAD:README") &&
+               git_object_type(obj) == GIT_OBJ_BLOB);
        git_object_free(obj);
-       hassubmodules = !git_revparse_single(&obj, repo, "HEAD:.gitmodules");
+
+       hassubmodules = (!git_revparse_single(&obj, repo, "HEAD:.gitmodules") &&
+               git_object_type(obj) == GIT_OBJ_BLOB);
        git_object_free(obj);
 
        /* log for HEAD */
@@ -1103,9 +1096,11 @@ main(int argc, char *argv[])
        relpath = "";
        mkdir("commit", 0755);
        writeheader(fp, "Log");
-       fputs("<table id=\"log\"><thead>\n<tr><td>Date</td><td>Commit message</td>"
-                 "<td>Author</td><td class=\"num\">Files</td><td class=\"num\">+</td>"
-                 "<td class=\"num\">-</td></tr>\n</thead><tbody>\n", fp);
+       fputs("<table id=\"log\"><thead>\n<tr><td><b>Date</b></td>"
+             "<td><b>Commit message</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) {
                /* read from cache file (does not need to exist) */
@@ -1141,7 +1136,8 @@ main(int argc, char *argv[])
                }
                fclose(wcachefp);
        } else {
-               writelog(fp, head);
+               if (head)
+                       writelog(fp, head);
        }
 
        fputs("</tbody></table>", fp);
@@ -1151,7 +1147,8 @@ main(int argc, char *argv[])
        /* files for HEAD */
        fp = efopen("files.html", "w");
        writeheader(fp, "Files");
-       writefiles(fp, head, "HEAD");
+       if (head)
+               writefiles(fp, head);
        writefooter(fp);
        fclose(fp);