stagit

custom fork of stagit
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commit 77260d21f1f22263a3164005f73d2c6edfd2b00e
parent 87f3a5a8a8b21d36cbc6fa92f8262f11a3d211df
Author: Hiltjo Posthuma <hiltjo@codemadness.org>
Date:   Mon,  7 Dec 2015 15:22:47 +0100

improve log, fix warnings

Diffstat:
Murmoms.c | 96+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++------------------
1 file changed, 75 insertions(+), 21 deletions(-)
diff --git a/urmoms.c b/urmoms.c
@@ -1,6 +1,7 @@
 #include <sys/stat.h>
 
 #include <err.h>
+#include <inttypes.h>
 #include <libgen.h>
 #include <limits.h>
 #include <stdio.h>
@@ -58,8 +59,7 @@ efopen(const char *name, const char *flags)
 {
     FILE *fp;
 
-    fp = fopen(name, flags);
-    if (!fp)
+    if (!(fp = fopen(name, flags)))
         err(1, "fopen");
 
     return fp;
@@ -139,6 +139,7 @@ printcommit(FILE *fp, git_commit *commit)
     int i, count;
     const char *scan, *eol;
 
+    /* TODO: show tag when commit has it */
     git_oid_tostr(buf, sizeof(buf), git_commit_id(commit));
     fprintf(fp, "commit <a href=\"%scommit/%s.html\">%s</a>\n",
         relpath, buf, buf);
@@ -186,8 +187,8 @@ printshowfile(git_commit *commit)
     git_tree *commit_tree = NULL, *parent_tree = NULL;
     git_patch *patch = NULL;
     git_diff *diff = NULL;
-    git_buf diffstatsbuf;
     git_diff_stats *diffstats = NULL;
+    git_buf diffstatsbuf;
     size_t i, j, k, ndeltas, nhunks = 0, nhunklines = 0;
     char buf[GIT_OID_HEXSZ + 1], path[PATH_MAX];
     FILE *fp;
@@ -202,24 +203,20 @@ printshowfile(git_commit *commit)
     writeheader(fp);
     printcommit(fp, commit);
 
-    error = git_commit_parent(&parent, commit, 0);
-    if (error)
+    if ((error = git_commit_parent(&parent, commit, 0)))
         return;
-
-    error = git_commit_tree(&commit_tree, commit);
-    if (error)
+    if ((error = git_commit_tree(&commit_tree, commit)))
         goto err;
-    error = git_commit_tree(&parent_tree, parent);
-    if (error)
+    if ((error = git_commit_tree(&parent_tree, parent)))
         goto err;
-    error = git_diff_tree_to_tree(&diff, repo, commit_tree, parent_tree, NULL);
-    if (error)
+    if ((error = git_diff_tree_to_tree(&diff, repo, commit_tree, parent_tree, NULL)))
         goto err;
 
     /* diff stat */
     if (!git_diff_get_stats(&diffstats, diff)) {
         if (!git_diff_stats_to_buf(&diffstatsbuf, diffstats,
-            GIT_DIFF_STATS_FULL | GIT_DIFF_STATS_SHORT | GIT_DIFF_STATS_NUMBER | GIT_DIFF_STATS_INCLUDE_SUMMARY, 80)) {
+            GIT_DIFF_STATS_FULL | GIT_DIFF_STATS_SHORT | GIT_DIFF_STATS_NUMBER |
+            GIT_DIFF_STATS_INCLUDE_SUMMARY, 80)) {
             fputs("<hr/>", fp);
             fprintf(fp, "Diffstat:\n");
             fputs(diffstatsbuf.ptr, fp);
@@ -242,7 +239,9 @@ printshowfile(git_commit *commit)
 
 #if 0
         switch (delta->flags) {
-        case GIT_DIFF_FLAG_BINARY:       continue; /* TODO: binary data */
+        case GIT_DIFF_FLAG_BINARY:
+            /* "Binary files /dev/null and b/favicon.png differ" or so */
+            continue; /* TODO: binary data */
         case GIT_DIFF_FLAG_NOT_BINARY:   break;
         case GIT_DIFF_FLAG_VALID_ID:     break; /* TODO: check */
         case GIT_DIFF_FLAG_EXISTS:       break; /* TODO: check */
@@ -286,27 +285,82 @@ writelog(FILE *fp)
 {
     git_revwalk *w = NULL;
     git_oid id;
-    git_commit *c = NULL;
-    size_t i;
+    git_commit *commit = NULL;
+    const git_signature *author;
+    git_diff_stats *stats;
+    git_tree *commit_tree = NULL, *parent_tree = NULL;
+    git_commit *parent = NULL;
+    git_diff *diff = NULL;
+    size_t i, nfiles, ndel, nadd;
+    const char *summary;
+    char buf[GIT_OID_HEXSZ + 1];
+    int error;
 
     mkdir("commit", 0755);
 
     git_revwalk_new(&w, repo);
     git_revwalk_push_head(w);
 
+    /* TODO: also make "expanded" log ? (with message body) */
     i = 0;
+    fputs("<table><thead><tr><td>Summary</td><td>Author</td><td align=\"right\">Age</td>"
+          "<td align=\"right\">Files</td><td align=\"right\">+</td><td align=\"right\">-</td></tr></thead><tbody>", fp);
     while (!git_revwalk_next(&id, w)) {
-        if (git_commit_lookup(&c, repo, &id))
+        if (git_commit_lookup(&commit, repo, &id))
             return 1; /* TODO: error */
-        printcommit(fp, c);
-        printshowfile(c);
-        git_commit_free(c);
+
+        if ((error = git_commit_parent(&parent, commit, 0)))
+            continue; /* TODO: handle error */
+        if ((error = git_commit_tree(&commit_tree, commit)))
+            continue; /* TODO: handle error */
+        if ((error = git_commit_tree(&parent_tree, parent)))
+            continue; /* TODO: handle error */
+        if ((error = git_diff_tree_to_tree(&diff, repo, commit_tree, parent_tree, NULL)))
+            continue; /* TODO: handle error */
+        if (git_diff_get_stats(&stats, diff))
+            continue; /* TODO: handle error */
+
+        git_oid_tostr(buf, sizeof(buf), git_commit_id(commit));
+
+        ndel = git_diff_stats_deletions(stats);
+        nadd = git_diff_stats_insertions(stats);
+        nfiles = git_diff_stats_files_changed(stats);
+
+        /* TODO: show tag when commit has it */
+
+        author = git_commit_author(commit);
+        summary = git_commit_summary(commit);
+
+        fputs("<tr><td>", fp);
+        if (summary) {
+            fprintf(fp, "<a href=\"%scommit/%s.html\">", relpath, buf);
+            xmlencode(fp, summary, strlen(summary));
+            fputs("</a>", fp);
+        }
+        fputs("</td><td>", fp);
+        if (author)
+            xmlencode(fp, author->name, strlen(author->name));
+        fputs("</td><td align=\"right\">", fp);
+        printtime(fp, &author->when);
+        fputs("</td><td align=\"right\">", fp);
+        fprintf(fp, "%zu", nfiles);
+        fputs("</td><td align=\"right\">", fp);
+        fprintf(fp, "+%zu", nadd);
+        fputs("</td><td align=\"right\">", fp);
+        fprintf(fp, "-%zu", ndel);
+        fputs("</td></tr>", fp);
+
+        printshowfile(commit);
+
+        git_diff_free(diff);
+        git_commit_free(commit);
 
         /* DEBUG */
         i++;
         if (i > 100)
             break;
     }
+    fprintf(fp, "</tbody></table>");
     git_revwalk_free(w);
 
     return 0;
@@ -348,7 +402,7 @@ writefiles(FILE *fp)
     count = git_index_entrycount(index);
     for (i = 0; i < count; i++) {
         entry = git_index_get_byindex(index, i);
-        fprintf(fp, "name: %s, size: %lu, mode: %lu\n",
+        fprintf(fp, "name: %s, size: %" PRIu64 ", mode: %u\n",
             entry->path, entry->file_size, entry->mode);
     }