X-Git-Url: https://git.distorted.org.uk/~mdw/tig/blobdiff_plain/d4d8de8fb345853df54a2b3f25a1c9824ee6dedb..104463304fc6c7b9a251e3a079f11268347f8c21:/tig.c

diff --git a/tig.c b/tig.c
index 66c5f76..711b9ad 100644
--- a/tig.c
+++ b/tig.c
@@ -59,6 +59,7 @@ static size_t utf8_length(const char *string, size_t max_width, int *coloffset,
 
 #define SIZEOF_STR	1024	/* Default string size. */
 #define SIZEOF_REF	256	/* Size of symbolic or SHA1 ID. */
+#define SIZEOF_REV	41	/* Holds a SHA-1 and an ending NUL */
 #define SIZEOF_REVGRAPH	19	/* Size of revision ancestry graphics. */
 
 /* This color name can be used to refer to the default term colors. */
@@ -109,7 +110,7 @@ static size_t utf8_length(const char *string, size_t max_width, int *coloffset,
 
 struct ref {
 	char *name;		/* Ref name; tag or head names are shortened. */
-	char id[41];		/* Commit SHA1 ID */
+	char id[SIZEOF_REV];	/* Commit SHA1 ID */
 	unsigned int tag:1;	/* Is it a tag? */
 	unsigned int next:1;	/* For ref lists: are there more refs? */
 };
@@ -2447,7 +2448,7 @@ static struct view_ops pager_ops = {
  * Tree backend
  */
 
-/* Parse output from git ls-tree:
+/* Parse output from git-ls-tree(1):
  *
  * 100644 blob fb0e31ea6cc679b7379631188190e975f5789c26	Makefile
  * 100644 blob 5304ca4260aaddaee6498f9630e7d471b8591ea6	README
@@ -2558,7 +2559,6 @@ static bool
 tree_enter(struct view *view, struct line *line)
 {
 	enum open_flags flags = display[0] == view ? OPEN_SPLIT : OPEN_DEFAULT;
-	char *data = line->data;
 	enum request request;
 
 	switch (line->type) {
@@ -2577,6 +2577,7 @@ tree_enter(struct view *view, struct line *line)
 		} else {
 			size_t pathlen = strlen(opt_path);
 			size_t origlen = pathlen;
+			char *data = line->data;
 			char *basename = data + SIZEOF_TREE_ATTR;
 
 			if (!string_format_from(opt_path, &pathlen, "%s/", basename)) {
@@ -2601,29 +2602,27 @@ tree_enter(struct view *view, struct line *line)
 
 	open_view(view, request, flags);
 
-	if (!VIEW(request)->pipe)
-		return TRUE;
-
-	/* For tree views insert the path to the parent as the first line. */
-	if (request == REQ_VIEW_BLOB) {
-		/* Mirror what is showed in the title bar. */
-		string_ncopy(ref_blob, data + STRING_SIZE("100644 blob "), 40);
-		string_copy(VIEW(REQ_VIEW_BLOB)->ref, ref_blob);
-		return TRUE;
-	}
-
 	return TRUE;
 }
 
 static void
 tree_select(struct view *view, struct line *line)
 {
-	if (line->type == LINE_TREE_DIR || line->type == LINE_TREE_FILE) {
-		char *text = line->data;
+	char *text = line->data;
+
+	text += STRING_SIZE("100644 blob ");
+
+	if (line->type == LINE_TREE_FILE) {
+		string_ncopy(ref_blob, text, 40);
+		/* Also update the blob view's ref, since all there must always
+		 * be in sync. */
+		string_copy(VIEW(REQ_VIEW_BLOB)->ref, ref_blob);
 
-		string_ncopy(view->ref, text + STRING_SIZE("100644 blob "), 40);
-		string_copy(ref_blob, view->ref);
+	} else if (line->type != LINE_TREE_DIR) {
+		return;
 	}
+
+	string_ncopy(view->ref, text, 40);
 }
 
 static struct view_ops tree_ops = {
@@ -2661,7 +2660,7 @@ static struct view_ops blob_ops = {
  */
 
 struct commit {
-	char id[41];			/* SHA1 ID. */
+	char id[SIZEOF_REV];		/* SHA1 ID. */
 	char title[75];			/* First line of the commit message. */
 	char author[75];		/* Author of the commit. */
 	struct tm time;			/* Date from the author ident. */