stagit

custom fork of stagit
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commit 87360fe2526f7713c4626d04da521579141fcf68
parent c750958b95624fd6bd45f817e255fe19aa412534
Author: Hiltjo Posthuma <hiltjo@codemadness.org>
Date:   Wed,  6 Jan 2016 17:45:02 +0100

use git_reference for tags and branches, sort branches also

this removes some lines and somewhat simplifies it

Diffstat:
Mstagit.c | 285+++++++++++++++++++++++++++++++------------------------------------------------
1 file changed, 113 insertions(+), 172 deletions(-)
diff --git a/stagit.c b/stagit.c
@@ -775,199 +775,140 @@ err:
 }
 
 int
-writebranches(FILE *fp)
+refs_cmp(const void *v1, const void *v2)
 {
-    struct commitinfo *ci;
-    git_branch_iterator *it = NULL;
-    git_branch_t branch;
-    git_reference *ref = NULL, *dref = NULL;
-    const git_oid *id = NULL;
-    const char *branchname = NULL;
-    size_t len;
-    int ret = -1;
-
-    /* log for local branches */
-    if (git_branch_iterator_new(&it, repo, GIT_BRANCH_LOCAL))
-        return -1;
-
-    fputs("<h2>Branches</h2><table id=\"branches\"><thead>\n<tr><td>Branch</td><td>Age</td>"
-          "<td>Commit message</td>"
-          "<td>Author</td><td>Files</td><td class=\"num\">+</td>"
-          "<td class=\"num\">-</td></tr>\n</thead><tbody>\n", fp);
-
-    while (!git_branch_next(&ref, &branch, it)) {
-        if (git_branch_name(&branchname, ref))
-            continue;
-
-        id = NULL;
-        switch (git_reference_type(ref)) {
-        case GIT_REF_SYMBOLIC:
-            if (git_reference_resolve(&dref, ref))
-                goto err;
-            id = git_reference_target(dref);
-            break;
-        case GIT_REF_OID:
-            id = git_reference_target(ref);
-            break;
-        default:
-            continue;
-        }
-        if (!id)
-            goto err;
-        if (!(ci = commitinfo_getbyoid(id)))
-            break;
-
-        relpath = "";
-
-        fputs("<tr><td>", fp);
-        xmlencode(fp, branchname, strlen(branchname));
-        fputs("</td><td>", fp);
-        if (ci->author)
-            printtimeshort(fp, &(ci->author->when));
-        fputs("</td><td>", fp);
-        if (ci->summary) {
-            if ((len = strlen(ci->summary)) > summarylen) {
-                xmlencode(fp, ci->summary, summarylen - 1);
-                fputs("…", fp);
-            } else {
-                xmlencode(fp, ci->summary, len);
-            }
-        }
-        fputs("</td><td>", fp);
-        if (ci->author)
-            xmlencode(fp, ci->author->name, strlen(ci->author->name));
-        fputs("</td><td class=\"num\">", fp);
-        fprintf(fp, "%zu", ci->filecount);
-        fputs("</td><td class=\"num\">", fp);
-        fprintf(fp, "+%zu", ci->addcount);
-        fputs("</td><td class=\"num\">", fp);
-        fprintf(fp, "-%zu", ci->delcount);
-        fputs("</td></tr>\n", fp);
-
-        relpath = "../";
+    git_reference *r1 = (*(git_reference **)v1);
+    git_reference *r2 = (*(git_reference **)v2);
+    int t1, t2;
 
-        commitinfo_free(ci);
-        git_reference_free(ref);
-        git_reference_free(dref);
-        ref = NULL;
-        dref = NULL;
-    }
-    ret = 0;
+    t1 = git_reference_is_branch(r1);
+    t2 = git_reference_is_branch(r2);
 
-err:
-    fputs("</tbody></table>", fp);
-    git_reference_free(ref);
-    git_reference_free(dref);
-    git_branch_iterator_free(it);
+    if (t1 != t2)
+        return t1 - t2;
 
-    return ret;
+    return strcmp(git_reference_shorthand(r1),
+                  git_reference_shorthand(r2));
 }
 
 int
-tagcompare(void *s1, void *s2)
-{
-    return strcmp(*(char **)s1, *(char **)s2);
-}
-
-int
-writetags(FILE *fp)
+writerefs(FILE *fp)
 {
     struct commitinfo *ci;
-    git_strarray tagnames;
-    git_object *obj = NULL;
-    git_tag *tag = NULL;
     const git_oid *id = NULL;
-    size_t i, len;
-
-    /* summary page with branches and tags */
-    memset(&tagnames, 0, sizeof(tagnames));
-    if (git_tag_list(&tagnames, repo))
+    git_object *obj = NULL;
+    git_reference *dref = NULL, *r, *ref = NULL;
+    git_reference_iterator *it = NULL;
+    git_reference **refs = NULL;
+    size_t count, i, j, len, refcount = 0;
+    const char *cols[] = { "Branch", "Tag" }; /* first column title */
+    const char *titles[] = { "Branches", "Tags" };
+    const char *ids[] = { "branches", "tags" };
+    const char *name;
+
+    if (git_reference_iterator_new(&it, repo))
         return -1;
-    if (!tagnames.count) {
-        git_strarray_free(&tagnames);
-        return 0;
-    }
-
-    /* sort names */
-    qsort(tagnames.strings, tagnames.count, sizeof(char *),
-          (int (*)(const void *, const void *))&tagcompare);
-
-    fputs("<h2>Tags</h2><table id=\"tags\"><thead>\n<tr><td>Tag</td>"
-          "<td>Age</td><td>Commit message</td>"
-          "<td>Author</td><td>Files</td><td class=\"num\">+</td>"
-          "<td class=\"num\">-</td></tr>\n</thead><tbody>\n", fp);
-
-    for (i = 0; i < tagnames.count; i++) {
-        if (git_revparse_single(&obj, repo, tagnames.strings[i]))
-            continue;
-        id = git_object_id(obj);
 
-        /* lookup actual commit (from annotated tag etc) */
-        if (!git_tag_lookup(&tag, repo, id)) {
-            git_object_free(obj);
-            obj = NULL;
-            if (git_tag_peel(&obj, tag))
+    for (refcount = 0; !git_reference_next(&ref, it); refcount++) {
+        if (!(refs = reallocarray(refs, refcount + 1, sizeof(git_reference *))))
+            err(1, "realloc");
+        refs[refcount] = ref;
+    }
+    git_reference_iterator_free(it);
+
+    /* sort by type then shorthand name */
+    qsort(refs, refcount, sizeof(git_reference *), refs_cmp);
+
+    for (j = 0; j < 2; j++) {
+        for (i = 0, count = 0; i < refcount; i++) {
+            if (git_reference_is_branch(refs[i]) && j == 0)
+                ;
+            else if (git_reference_is_tag(refs[i]) && j == 1)
+                ;
+            else
+                continue;
+
+            id = NULL;
+            r = NULL;
+            switch (git_reference_type(refs[i])) {
+            case GIT_REF_SYMBOLIC:
+                if (git_reference_resolve(&dref, refs[i]))
+                    goto err;
+                r = dref;
+                break;
+            case GIT_REF_OID:
+                r = refs[i];
+                break;
+            default:
+                continue;
+            }
+            if (!(id = git_reference_target(r)))
+                goto err;
+            if (git_reference_peel(&obj, r, GIT_OBJ_ANY))
+                goto err;
+            if (!(id = git_object_id(obj)))
+                goto err;
+            if (!(ci = commitinfo_getbyoid(id)))
                 break;
-            git_tag_free(tag);
-            tag = NULL;
-            id = git_object_id(obj);
-        }
-
-        if (!(ci = commitinfo_getbyoid(id)))
-            break;
 
-        relpath = "";
+            /* print header if it has an entry (first). */
+            if (++count == 1) {
+                fprintf(fp, "<h2>%s</h2><table id=\"%s\"><thead>\n<tr><td>%s</td>"
+                      "<td>Age</td><td>Commit message</td>"
+                      "<td>Author</td><td>Files</td><td class=\"num\">+</td>"
+                      "<td class=\"num\">-</td></tr>\n</thead><tbody>\n",
+                      titles[j], ids[j], cols[j]);
+            }
 
-        fputs("<tr><td>", fp);
-        xmlencode(fp, tagnames.strings[i], strlen(tagnames.strings[i]));
-        fputs("</td><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);
+            relpath = "";
+            name = git_reference_shorthand(r);
+
+            fputs("<tr><td>", fp);
+            xmlencode(fp, name, strlen(name));
+            fputs("</td><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);
+                }
+                fputs("</a>", fp);
             }
-            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);
+            fprintf(fp, "%zu", ci->filecount);
+            fputs("</td><td class=\"num\">", fp);
+            fprintf(fp, "+%zu", ci->addcount);
+            fputs("</td><td class=\"num\">", fp);
+            fprintf(fp, "-%zu", ci->delcount);
+            fputs("</td></tr>\n", fp);
+
+            relpath = "../";
+
+            commitinfo_free(ci);
+            git_reference_free(dref);
+            dref = NULL;
         }
-        fputs("</td><td>", fp);
-        if (ci->author)
-            xmlencode(fp, ci->author->name, strlen(ci->author->name));
-        fputs("</td><td class=\"num\">", fp);
-        fprintf(fp, "%zu", ci->filecount);
-        fputs("</td><td class=\"num\">", fp);
-        fprintf(fp, "+%zu", ci->addcount);
-        fputs("</td><td class=\"num\">", fp);
-        fprintf(fp, "-%zu", ci->delcount);
-        fputs("</td></tr>\n", fp);
-
-        relpath = "../";
-
-        commitinfo_free(ci);
-        git_object_free(obj);
-        obj = NULL;
+        /* table footer */
+        if (count)
+            fputs("</tbody></table>", fp);
     }
-    fputs("</tbody></table>", fp);
-    git_strarray_free(&tagnames);
-    git_tag_free(tag);
-    git_object_free(obj);
 
-    return 0;
-}
+err:
+    git_reference_free(dref);
 
-int
-writerefs(FILE *fp)
-{
-    int ret;
+    for (i = 0; i < refcount; i++)
+        git_reference_free(refs[i]);
+    free(refs);
 
-    if ((ret = writebranches(fp)))
-        return ret;
-    fputs("<br/>", fp);
-    return writetags(fp);
+    return 0;
 }
 
 int