From 79fab7c6faf78d7bcc0c870359138617aee24c7d Mon Sep 17 00:00:00 2001
From: Quentin Rameau <quinq@fifth.space>
Date: Sun, 10 Jan 2016 00:47:22 +0100
Subject: [PATCH] replace file size with line count for text files

Keep the number of line when writing text blobs and print it in the
index file tree instead of the size. Still print the size otherwise.
---
 config.def.h |  1 +
 stagit.c     | 25 ++++++++++++++++---------
 2 files changed, 17 insertions(+), 9 deletions(-)

diff --git a/config.def.h b/config.def.h
index 20a935a..721392f 100644
--- a/config.def.h
+++ b/config.def.h
@@ -1,2 +1,3 @@
 /* See LICENSE file for copyright and license details. */
 static const unsigned summarylen = 70; /* summary length in the log */
+static const int showlinecount   = 1;  /* display line count or file size in file tree index */
diff --git a/stagit.c b/stagit.c
index 36041cc..47b6fbc 100644
--- a/stagit.c
+++ b/stagit.c
@@ -282,11 +282,11 @@ writefooter(FILE *fp)
 	return !fputs("</div>\n</body>\n</html>\n", fp);
 }
 
-void
+int
 writeblobhtml(FILE *fp, const git_blob *blob)
 {
 	off_t i;
-	size_t n = 1;
+	size_t n = 0;
 	char *nfmt = "<a href=\"#l%d\" id=\"l%d\">%d</a>\n";
 	const char *s = git_blob_rawcontent(blob);
 	git_off_t len = git_blob_rawsize(blob);
@@ -294,6 +294,7 @@ writeblobhtml(FILE *fp, const git_blob *blob)
 	fputs("<table id=\"blob\"><tr><td class=\"num\"><pre>\n", fp);
 
 	if (len) {
+		n++;
 		fprintf(fp, nfmt, n, n, n);
 		for (i = 0; i < len - 1; i++) {
 			if (s[i] == '\n') {
@@ -306,6 +307,8 @@ writeblobhtml(FILE *fp, const git_blob *blob)
 	fputs("</pre></td><td><pre>\n", fp);
 	xmlencode(fp, s, (size_t)len);
 	fputs("</pre></td></tr></table>\n", fp);
+
+	return n;
 }
 
 void
@@ -573,12 +576,13 @@ writeblob(git_object *obj, const char *fpath, const char *filename, git_off_t fi
 	char tmp[PATH_MAX] = "";
 	char *d;
 	const char *p;
+	int lc = 0;
 	FILE *fp;
 
 	d = xdirname(fpath);
 	if (mkdirp(d)) {
 		free(d);
-		return 1;
+		return -1;
 	}
 	free(d);
 
@@ -600,7 +604,7 @@ writeblob(git_object *obj, const char *fpath, const char *filename, git_off_t fi
 	if (git_blob_is_binary((git_blob *)obj)) {
 		fputs("<p>Binary file</p>\n", fp);
 	} else {
-		writeblobhtml(fp, (git_blob *)obj);
+		lc = writeblobhtml(fp, (git_blob *)obj);
 		if (ferror(fp))
 			err(1, "fwrite");
 	}
@@ -609,7 +613,7 @@ writeblob(git_object *obj, const char *fpath, const char *filename, git_off_t fi
 
 	relpath = "";
 
-	return 0;
+	return lc;
 }
 
 const char *
@@ -663,7 +667,7 @@ writefilestree(FILE *fp, git_tree *tree, const char *branch, const char *path)
 	git_object *obj = NULL;
 	git_off_t filesize;
 	size_t count, i;
-	int ret;
+	int lc, ret;
 
 	count = git_tree_entrycount(tree);
 	for (i = 0; i < count; i++) {
@@ -694,15 +698,18 @@ writefilestree(FILE *fp, git_tree *tree, const char *branch, const char *path)
 			         filename);
 		filesize = git_blob_rawsize((git_blob *)obj);
 
+		lc = writeblob(obj, filepath, filename, filesize);
+
 		fputs("<tr><td>", fp);
 		fputs(filemode(git_tree_entry_filemode(entry)), fp);
 		fprintf(fp, "</td><td><a href=\"%s%s\">", relpath, filepath);
 		xmlencode(fp, filename, strlen(filename));
 		fputs("</a></td><td class=\"num\">", fp);
-		fprintf(fp, "%ju", (uintmax_t)filesize);
+		if (showlinecount && lc > 0)
+			fprintf(fp, "%dL", lc);
+		else
+			fprintf(fp, "%jub", (uintmax_t)filesize);
 		fputs("</td></tr>\n", fp);
-
-		writeblob(obj, filepath, filename, filesize);
 	}
 
 	return 0;
-- 
2.30.2