stagit

custom fork of stagit
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commit 55b823b226194cd25864f1b61bc5b4f343e4e822
parent a523491d6cea4d7fff9b3bdeeb79842412dc31cd
Author: Hiltjo Posthuma <hiltjo@codemadness.org>
Date:   Mon,  7 Dec 2015 21:16:28 +0100

fix when commit has no parent

also dont show parent when there is no id for it.

Diffstat:
Murmoms.c | 41++++++++++++++++++++++++++---------------
1 file changed, 26 insertions(+), 15 deletions(-)
diff --git a/urmoms.c b/urmoms.c
@@ -168,7 +168,7 @@ printcommit(FILE *fp, git_commit *commit)
     fprintf(fp, "<b>commit</b> <a href=\"%scommit/%s.html\">%s</a>\n",
         relpath, buf, buf);
 
-    if (git_oid_tostr(buf, sizeof(buf), git_commit_parent_id(commit, 0)))
+    if (git_oid_tostr(buf, sizeof(buf), git_commit_parent_id(commit, 0)) && buf[0])
         fprintf(fp, "<b>parent</b> <a href=\"%scommit/%s.html\">%s</a>\n",
             relpath, buf, buf);
 
@@ -225,12 +225,15 @@ printshowfile(git_commit *commit)
     writeheader(fp);
     printcommit(fp, commit);
 
-    if ((error = git_commit_parent(&parent, commit, 0)))
-        return;
     if ((error = git_commit_tree(&commit_tree, commit)))
         goto err;
-    if ((error = git_commit_tree(&parent_tree, parent)))
-        goto err;
+    if (!(error = git_commit_parent(&parent, commit, 0))) {
+        if ((error = git_commit_tree(&parent_tree, parent)))
+            goto err; /* TODO: handle error */
+    } else {
+        parent = NULL;
+        parent_tree = NULL;
+    }
     if ((error = git_diff_tree_to_tree(&diff, repo, parent_tree, commit_tree, NULL)))
         goto err;
 
@@ -334,7 +337,7 @@ writelog(FILE *fp)
     size_t i, nfiles, ndel, nadd;
     const char *summary;
     char buf[GIT_OID_HEXSZ + 1];
-    int error;
+    int error, ret = 0;
 
     mkdir("commit", 0755);
 
@@ -352,14 +355,20 @@ writelog(FILE *fp)
 
         relpath = "";
 
-        if (git_commit_lookup(&commit, repo, &id))
-            return 1; /* TODO: error */
-        if ((error = git_commit_parent(&parent, commit, 0)))
-            continue; /* TODO: handle error */
+        if (git_commit_lookup(&commit, repo, &id)) {
+            ret = 1;
+            goto err;
+        }
         if ((error = git_commit_tree(&commit_tree, commit)))
-            continue; /* TODO: handle error */
-        if ((error = git_commit_tree(&parent_tree, parent)))
-            continue; /* TODO: handle error */
+            goto errdiff; /* TODO: handle error */
+        if (!(error = git_commit_parent(&parent, commit, 0))) {
+            if ((error = git_commit_tree(&parent_tree, parent)))
+                goto errdiff; /* TODO: handle error */
+        } else {
+            parent = NULL;
+            parent_tree = NULL;
+        }
+
         if ((error = git_diff_tree_to_tree(&diff, repo, parent_tree, commit_tree, NULL)))
             continue; /* TODO: handle error */
         if (git_diff_get_stats(&stats, diff))
@@ -399,14 +408,16 @@ writelog(FILE *fp)
         relpath = "../";
         printshowfile(commit);
 
+errdiff:
         git_diff_free(diff);
         git_commit_free(commit);
     }
     fprintf(fp, "</tbody></table>");
+err:
     git_revwalk_free(w);
     relpath = "";
 
-    return 0;
+    return ret;
 }
 
 void
@@ -439,7 +450,7 @@ printcommitatom(FILE *fp, git_commit *commit)
 
     fputs("<content type=\"text\">", fp);
     fprintf(fp, "commit %s\n", buf);
-    if (git_oid_tostr(buf, sizeof(buf), git_commit_parent_id(commit, 0)))
+    if (git_oid_tostr(buf, sizeof(buf), git_commit_parent_id(commit, 0)) && buf[0])
         fprintf(fp, "parent %s\n", buf);
 
     if ((count = (int)git_commit_parentcount(commit)) > 1) {