diff options
| -rw-r--r-- | diff-tree.c | 30 |
1 files changed, 27 insertions, 3 deletions
diff --git a/diff-tree.c b/diff-tree.c index 9e15b70642..b9267d6159 100644 --- a/diff-tree.c +++ b/diff-tree.c @@ -2,11 +2,13 @@ #include "cache.h" #include "diff.h" +static int silent = 0; static int ignore_merges = 1; static int recursive = 0; static int read_stdin = 0; static int line_termination = '\n'; static int generate_patch = 0; +static const char *header = NULL; // What paths are we interested in? 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 unsigned char *sha1 = extract(tree, size, &path, &mode); + if (header) { + printf("%s", header); + header = NULL; + } + + if (silent) + return; + if (recursive && S_ISDIR(mode)) { char type[20]; unsigned long size; @@ -138,6 +148,13 @@ static int compare_tree_entry(void *tree1, unsigned long size1, void *tree2, uns return retval; } + if (header) { + printf("%s", header); + header = NULL; + } + if (silent) + return 0; + if (generate_patch) { if (!S_ISDIR(mode1)) diff_change(mode1, mode2, sha1, sha2, base, path1); @@ -258,6 +275,7 @@ static int diff_tree_stdin(char *line) int len = strlen(line); unsigned char commit[20], parent[20]; unsigned long size, offset; + static char this_header[100]; char *buf; if (!len || line[len-1] != '\n') @@ -266,9 +284,10 @@ static int diff_tree_stdin(char *line) if (get_sha1_hex(line, commit)) return -1; if (isspace(line[40]) && !get_sha1_hex(line+41, parent)) { - line[40] = ' '; + line[40] = 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, ""); } 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)) { if (get_sha1_hex(buf + offset + 7, parent)) 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, ""); offset += 48; } @@ -330,6 +350,10 @@ int main(int argc, char **argv) ignore_merges = 0; continue; } + if (!strcmp(arg, "-s")) { + silent = 1; + continue; + } if (!strcmp(arg, "--stdin")) { read_stdin = 1; continue; |