diff options
Diffstat (limited to 'diff-tree.c')
| -rw-r--r-- | diff-tree.c | 25 |
1 files changed, 21 insertions, 4 deletions
diff --git a/diff-tree.c b/diff-tree.c index 59d12f2ba1..34c868d3ab 100644 --- a/diff-tree.c +++ b/diff-tree.c @@ -9,6 +9,7 @@ static int recursive = 0; static int read_stdin = 0; static int line_termination = '\n'; static int generate_patch = 0; +static int detect_rename = 0; static const char *header = NULL; static const char *header_prefix = ""; @@ -281,6 +282,18 @@ static int diff_tree_sha1(const unsigned char *old, const unsigned char *new, co return retval; } +static int diff_tree_sha1_top(const unsigned char *old, + const unsigned char *new, const char *base) +{ + int ret; + if (generate_patch) + diff_setup(detect_rename, 0, 0, 0, 0); + ret = diff_tree_sha1(old, new, base); + if (generate_patch) + diff_flush(); + return ret; +} + static int get_one_line(const char *msg, unsigned long len) { int ret = 0; @@ -377,7 +390,7 @@ static int diff_tree_commit(const unsigned char *commit, const char *name) if (get_sha1_hex(buf + offset + 7, parent)) return -1; header = generate_header(name, sha1_to_hex(parent), buf, size); - diff_tree_sha1(parent, commit, ""); + diff_tree_sha1_top(parent, commit, ""); if (!header && verbose_header) header_prefix = "\ndiff-tree "; offset += 48; @@ -401,14 +414,14 @@ static int diff_tree_stdin(char *line) line[81] = 0; sprintf(this_header, "%s (from %s)\n", line, line+41); header = this_header; - return diff_tree_sha1(parent, commit, ""); + return diff_tree_sha1_top(parent, commit, ""); } line[40] = 0; return diff_tree_commit(commit, line); } static char *diff_tree_usage = -"diff-tree [-p] [-r] [-z] [--stdin] [-m] [-s] [-v] <tree sha1> <tree sha1>"; +"diff-tree [-p] [-r] [-z] [--stdin] [-M] [-m] [-s] [-v] <tree-ish> <tree-ish>"; int main(int argc, char **argv) { @@ -447,6 +460,10 @@ int main(int argc, char **argv) recursive = generate_patch = 1; continue; } + if (!strcmp(arg, "-M")) { + detect_rename = recursive = generate_patch = 1; + continue; + } if (!strcmp(arg, "-z")) { line_termination = '\0'; continue; @@ -490,7 +507,7 @@ int main(int argc, char **argv) diff_tree_commit(sha1[0], NULL); break; case 2: - diff_tree_sha1(sha1[0], sha1[1], ""); + diff_tree_sha1_top(sha1[0], sha1[1], ""); break; } |