Add URL parameter 'context' for changing the number of context lines in diffs
The new ctx.qry.context variable is picked up by cgit_print_diff(), and
passed via cgit_diff_files() to Git's diff machinery.
Signed-off-by: Johan Herland <johan@herland.net>
Signed-off-by: Lars Hjemli <hjemli@gmail.com>
diff --git a/cgit.c b/cgit.c
index 2c3ad73..e9bafb5 100644
--- a/cgit.c
+++ b/cgit.c
@@ -250,6 +250,8 @@
ctx.qry.period = xstrdup(value);
} else if (!strcmp(name, "ss")) {
ctx.qry.ssdiff = atoi(value);
+ } else if (!strcmp(name, "context")) {
+ ctx.qry.context = atoi(value);
}
}
diff --git a/cgit.h b/cgit.h
index f990b15..bb8f598 100644
--- a/cgit.h
+++ b/cgit.h
@@ -145,6 +145,7 @@
char *sort;
int showmsg;
int ssdiff;
+ int context;
char *vpath;
};
@@ -274,7 +275,7 @@
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, linediff_fn fn);
+ int *binary, int context, linediff_fn fn);
extern void cgit_diff_tree(const unsigned char *old_sha1,
const unsigned char *new_sha1,
diff --git a/shared.c b/shared.c
index 6e8f0ce..7cf1e59 100644
--- a/shared.c
+++ b/shared.c
@@ -262,7 +262,8 @@
int cgit_diff_files(const unsigned char *old_sha1,
const unsigned char *new_sha1, unsigned long *old_size,
- unsigned long *new_size, int *binary, linediff_fn fn)
+ unsigned long *new_size, int *binary, int context,
+ linediff_fn fn)
{
mmfile_t file1, file2;
xpparam_t diff_params;
@@ -285,7 +286,7 @@
memset(&emit_params, 0, sizeof(emit_params));
memset(&emit_cb, 0, sizeof(emit_cb));
diff_params.flags = XDF_NEED_MINIMAL;
- emit_params.ctxlen = 3;
+ emit_params.ctxlen = context > 0 ? context : 3;
emit_params.flags = XDL_EMIT_FUNCNAMES;
emit_cb.outf = filediff_cb;
emit_cb.priv = fn;
diff --git a/ui-diff.c b/ui-diff.c
index fb836df..d3a3b2c 100644
--- a/ui-diff.c
+++ b/ui-diff.c
@@ -127,7 +127,7 @@
lines_added = 0;
lines_removed = 0;
cgit_diff_files(pair->one->sha1, pair->two->sha1, &old_size, &new_size,
- &binary, count_diff_lines);
+ &binary, 0, count_diff_lines);
if (files >= slots) {
if (slots == 0)
slots = 4;
@@ -288,7 +288,7 @@
return;
}
if (cgit_diff_files(pair->one->sha1, pair->two->sha1, &old_size,
- &new_size, &binary, print_line_fn))
+ &new_size, &binary, ctx.qry.context, print_line_fn))
cgit_print_error("Error running diff");
if (binary) {
if (use_ssdiff)
diff --git a/ui-log.c b/ui-log.c
index bfbe436..5eb5c81 100644
--- a/ui-log.c
+++ b/ui-log.c
@@ -33,7 +33,7 @@
files++;
if (ctx.repo->enable_log_linecount)
cgit_diff_files(pair->one->sha1, pair->two->sha1, &old_size,
- &new_size, &binary, count_lines);
+ &new_size, &binary, 0, count_lines);
}
void show_commit_decorations(struct commit *commit)
diff --git a/ui-patch.c b/ui-patch.c
index 25dc9fe..d13104c 100644
--- a/ui-patch.c
+++ b/ui-patch.c
@@ -71,7 +71,7 @@
return;
}
if (cgit_diff_files(pair->one->sha1, pair->two->sha1, &old_size,
- &new_size, &binary, print_line))
+ &new_size, &binary, 0, print_line))
html("Error running diff");
if (binary)
html("Binary files differ\n");