Add URL parameter 'ignorews' for optionally ignoring whitespace in diffs

The new ctx.qry.ignorews variable is passed via cgit_diff_files() and
cgit_diff_tree() to Git's diff machinery. This is equivalent to passing
--ignore-all-space to 'git diff'.

Signed-off-by: Johan Herland <johan@herland.net>
This commit is contained in:
Johan Herland 2010-06-24 17:52:57 +02:00 committed by Lars Hjemli
parent d20313e3da
commit 2cc8b99f08
6 changed files with 25 additions and 12 deletions

2
cgit.c
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@ -252,6 +252,8 @@ static void querystring_cb(const char *name, const char *value)
ctx.qry.ssdiff = atoi(value);
} else if (!strcmp(name, "context")) {
ctx.qry.context = atoi(value);
} else if (!strcmp(name, "ignorews")) {
ctx.qry.ignorews = atoi(value);
}
}

6
cgit.h
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@ -146,6 +146,7 @@ struct cgit_query {
int showmsg;
int ssdiff;
int context;
int ignorews;
char *vpath;
};
@ -275,11 +276,12 @@ extern void *cgit_free_commitinfo(struct commitinfo *info);
extern int cgit_diff_files(const unsigned char *old_sha1,
const unsigned char *new_sha1,
unsigned long *old_size, unsigned long *new_size,
int *binary, int context, linediff_fn fn);
int *binary, int context, int ignorews,
linediff_fn fn);
extern void cgit_diff_tree(const unsigned char *old_sha1,
const unsigned char *new_sha1,
filepair_fn fn, const char *prefix);
filepair_fn fn, const char *prefix, int ignorews);
extern void cgit_diff_commit(struct commit *commit, filepair_fn fn);

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@ -263,7 +263,7 @@ int filediff_cb(void *priv, mmbuffer_t *mb, int nbuf)
int cgit_diff_files(const unsigned char *old_sha1,
const unsigned char *new_sha1, unsigned long *old_size,
unsigned long *new_size, int *binary, int context,
linediff_fn fn)
int ignorews, linediff_fn fn)
{
mmfile_t file1, file2;
xpparam_t diff_params;
@ -286,6 +286,8 @@ int cgit_diff_files(const unsigned char *old_sha1,
memset(&emit_params, 0, sizeof(emit_params));
memset(&emit_cb, 0, sizeof(emit_cb));
diff_params.flags = XDF_NEED_MINIMAL;
if (ignorews)
diff_params.flags |= XDF_IGNORE_WHITESPACE;
emit_params.ctxlen = context > 0 ? context : 3;
emit_params.flags = XDL_EMIT_FUNCNAMES;
emit_cb.outf = filediff_cb;
@ -296,7 +298,7 @@ int cgit_diff_files(const unsigned char *old_sha1,
void cgit_diff_tree(const unsigned char *old_sha1,
const unsigned char *new_sha1,
filepair_fn fn, const char *prefix)
filepair_fn fn, const char *prefix, int ignorews)
{
struct diff_options opt;
int ret;
@ -307,6 +309,8 @@ void cgit_diff_tree(const unsigned char *old_sha1,
opt.detect_rename = 1;
opt.rename_limit = ctx.cfg.renamelimit;
DIFF_OPT_SET(&opt, RECURSIVE);
if (ignorews)
DIFF_XDL_SET(&opt, IGNORE_WHITESPACE);
opt.format_callback = cgit_diff_tree_cb;
opt.format_callback_data = fn;
if (prefix) {
@ -331,7 +335,8 @@ void cgit_diff_commit(struct commit *commit, filepair_fn fn)
if (commit->parents)
old_sha1 = commit->parents->item->object.sha1;
cgit_diff_tree(old_sha1, commit->object.sha1, fn, NULL);
cgit_diff_tree(old_sha1, commit->object.sha1, fn, NULL,
ctx.qry.ignorews);
}
int cgit_parse_snapshots_mask(const char *str)

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@ -127,7 +127,7 @@ static void inspect_filepair(struct diff_filepair *pair)
lines_added = 0;
lines_removed = 0;
cgit_diff_files(pair->one->sha1, pair->two->sha1, &old_size, &new_size,
&binary, 0, count_diff_lines);
&binary, 0, ctx.qry.ignorews, count_diff_lines);
if (files >= slots) {
if (slots == 0)
slots = 4;
@ -174,7 +174,8 @@ void cgit_print_diffstat(const unsigned char *old_sha1,
html("</div>");
html("<table summary='diffstat' class='diffstat'>");
max_changes = 0;
cgit_diff_tree(old_sha1, new_sha1, inspect_filepair, prefix);
cgit_diff_tree(old_sha1, new_sha1, inspect_filepair, prefix,
ctx.qry.ignorews);
for(i = 0; i<files; i++)
print_fileinfo(&items[i]);
html("</table>");
@ -296,7 +297,8 @@ static void filepair_cb(struct diff_filepair *pair)
return;
}
if (cgit_diff_files(pair->one->sha1, pair->two->sha1, &old_size,
&new_size, &binary, ctx.qry.context, print_line_fn))
&new_size, &binary, ctx.qry.context,
ctx.qry.ignorews, print_line_fn))
cgit_print_error("Error running diff");
if (binary) {
if (use_ssdiff)
@ -356,7 +358,8 @@ void cgit_print_diff(const char *new_rev, const char *old_rev, const char *prefi
html("<table summary='diff' class='diff'>");
html("<tr><td>");
}
cgit_diff_tree(old_rev_sha1, new_rev_sha1, filepair_cb, prefix);
cgit_diff_tree(old_rev_sha1, new_rev_sha1, filepair_cb, prefix,
ctx.qry.ignorews);
if (!use_ssdiff)
html("</td></tr>");
html("</table>");

View File

@ -33,7 +33,8 @@ void inspect_files(struct diff_filepair *pair)
files++;
if (ctx.repo->enable_log_linecount)
cgit_diff_files(pair->one->sha1, pair->two->sha1, &old_size,
&new_size, &binary, 0, count_lines);
&new_size, &binary, 0, ctx.qry.ignorews,
count_lines);
}
void show_commit_decorations(struct commit *commit)

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@ -71,7 +71,7 @@ static void filepair_cb(struct diff_filepair *pair)
return;
}
if (cgit_diff_files(pair->one->sha1, pair->two->sha1, &old_size,
&new_size, &binary, 0, print_line))
&new_size, &binary, 0, 0, print_line))
html("Error running diff");
if (binary)
html("Binary files differ\n");
@ -124,7 +124,7 @@ void cgit_print_patch(char *hex, const char *prefix)
html("---\n");
if (prefix)
htmlf("(limited to '%s')\n\n", prefix);
cgit_diff_tree(old_sha1, sha1, filepair_cb, prefix);
cgit_diff_tree(old_sha1, sha1, filepair_cb, prefix, 0);
html("--\n");
htmlf("cgit %s\n", CGIT_VERSION);
cgit_free_commitinfo(info);