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git-diff-tree: clean up output 

This only shows the tree headers when something actually changed. Also,
add a "silent" mode, which doesn't actually show the changes at all,
just the commit information.
maint
Linus Torvalds 2005-05-06 10:56:35 -07:00
parent e0965d83c5
commit f4f21ce367
1 changed files with 27 additions and 3 deletions
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30
diff-tree.c
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@ -2,11 +2,13 @@
#include "cache.h" #include "cache.h"
#include "diff.h" #include "diff.h"


static int silent = 0;
static int ignore_merges = 1; static int ignore_merges = 1;
static int recursive = 0; static int recursive = 0;
static int read_stdin = 0; static int read_stdin = 0;
static int line_termination = '\n'; static int line_termination = '\n';
static int generate_patch = 0; static int generate_patch = 0;
static const char *header = NULL;


// What paths are we interested in? // What paths are we interested in?
static int nr_paths = 0; static int nr_paths = 0;
@ -67,6 +69,14 @@ static void show_file(const char *prefix, void *tree, unsigned long size, const
const char *path; const char *path;
const unsigned char *sha1 = extract(tree, size, &path, &mode); const unsigned char *sha1 = extract(tree, size, &path, &mode);


if (header) {
printf("%s", header);
header = NULL;
}

if (silent)
return;

if (recursive && S_ISDIR(mode)) { if (recursive && S_ISDIR(mode)) {
char type[20]; char type[20];
unsigned long size; unsigned long size;
@ -138,6 +148,13 @@ static int compare_tree_entry(void *tree1, unsigned long size1, void *tree2, uns
return retval; return retval;
} }


if (header) {
printf("%s", header);
header = NULL;
}
if (silent)
return 0;

if (generate_patch) { if (generate_patch) {
if (!S_ISDIR(mode1)) if (!S_ISDIR(mode1))
diff_change(mode1, mode2, sha1, sha2, base, path1); diff_change(mode1, mode2, sha1, sha2, base, path1);
@ -258,6 +275,7 @@ static int diff_tree_stdin(char *line)
int len = strlen(line); int len = strlen(line);
unsigned char commit[20], parent[20]; unsigned char commit[20], parent[20];
unsigned long size, offset; unsigned long size, offset;
static char this_header[100];
char *buf; char *buf;


if (!len || line[len-1] != '\n') if (!len || line[len-1] != '\n')
@ -266,9 +284,10 @@ static int diff_tree_stdin(char *line)
if (get_sha1_hex(line, commit)) if (get_sha1_hex(line, commit))
return -1; return -1;
if (isspace(line[40]) && !get_sha1_hex(line+41, parent)) { if (isspace(line[40]) && !get_sha1_hex(line+41, parent)) {
line[40] = ' '; line[40] = 0;
line[81] = 0; line[81] = 0;
printf("%s:\n", line); sprintf(this_header, "%s (from %s)\n", line, line+41);
header = this_header;
return diff_tree_sha1(parent, commit, ""); return diff_tree_sha1(parent, commit, "");
} }
buf = read_object_with_reference(commit, "commit", &size, NULL); buf = read_object_with_reference(commit, "commit", &size, NULL);
@ -286,7 +305,8 @@ static int diff_tree_stdin(char *line)
while (offset + 48 < size && !memcmp(buf + offset, "parent ", 7)) { while (offset + 48 < size && !memcmp(buf + offset, "parent ", 7)) {
if (get_sha1_hex(buf + offset + 7, parent)) if (get_sha1_hex(buf + offset + 7, parent))
return -1; return -1;
printf("%s %s:\n", line, sha1_to_hex(parent)); sprintf(this_header, "%s (from %s)\n", line, sha1_to_hex(parent));
header = this_header;
diff_tree_sha1(parent, commit, ""); diff_tree_sha1(parent, commit, "");
offset += 48; offset += 48;
} }
@ -330,6 +350,10 @@ int main(int argc, char **argv)
ignore_merges = 0; ignore_merges = 0;
continue; continue;
} }
if (!strcmp(arg, "-s")) {
silent = 1;
continue;
}
if (!strcmp(arg, "--stdin")) { if (!strcmp(arg, "--stdin")) {
read_stdin = 1; read_stdin = 1;
continue; continue;