X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=diff-tree.c;h=e8f5d1b126179c705f6463c25216d90e3e376848;hb=da38641d7c1bd64f86bdd9e1f66fbff1cbb4f3b6;hp=7e16be42614a32a86897a4fab322757379ad3add;hpb=4cae1a967a99962e51777fcc950321902cce0adf;p=git.git diff --git a/diff-tree.c b/diff-tree.c index 7e16be42..e8f5d1b1 100644 --- a/diff-tree.c +++ b/diff-tree.c @@ -1,6 +1,7 @@ #include #include "cache.h" #include "diff.h" +#include "commit.h" static int show_root_diff = 0; static int verbose_header = 0; @@ -8,13 +9,20 @@ static int ignore_merges = 1; static int recursive = 0; static int show_tree_entry_in_recursive = 0; static int read_stdin = 0; -static int diff_output_format = DIFF_FORMAT_HUMAN; +static int diff_output_format = DIFF_FORMAT_RAW; +static int diff_line_termination = '\n'; static int detect_rename = 0; -static int reverse_diff = 0; +static int find_copies_harder = 0; +static int diff_setup_opt = 0; static int diff_score_opt = 0; static const char *pickaxe = NULL; +static int pickaxe_opts = 0; +static int diff_break_opt = -1; +static const char *orderfile = NULL; +static const char *diff_filter = NULL; static const char *header = NULL; static const char *header_prefix = ""; +static enum cmit_fmt commit_format = CMIT_FMT_RAW; // What paths are we interested in? static int nr_paths = 0; @@ -40,10 +48,12 @@ static const unsigned char *extract(void *tree, unsigned long size, const char * int len = strlen(tree)+1; const unsigned char *sha1 = tree + len; const char *path = strchr(tree, ' '); + unsigned int mode; - if (!path || size < len + 20 || sscanf(tree, "%o", modep) != 1) + if (!path || size < len + 20 || sscanf(tree, "%o", &mode) != 1) die("corrupt tree file"); *pathp = path+1; + *modep = DIFF_FILE_CANON_MODE(mode); return sha1; } @@ -108,7 +118,7 @@ static int compare_tree_entry(void *tree1, unsigned long size1, void *tree2, uns show_file("+", tree2, size2, base); return 1; } - if (!memcmp(sha1, sha2, 20) && mode1 == mode2) + if (!find_copies_harder && !memcmp(sha1, sha2, 20) && mode1 == mode2) return 0; /* @@ -255,37 +265,26 @@ static int diff_tree_sha1(const unsigned char *old, const unsigned char *new, co static void call_diff_setup(void) { - diff_setup(reverse_diff); + diff_setup(diff_setup_opt); } static int call_diff_flush(void) { - if (detect_rename) - diffcore_rename(detect_rename, diff_score_opt); - if (pickaxe) - diffcore_pickaxe(pickaxe); + diffcore_std(NULL, + detect_rename, diff_score_opt, + pickaxe, pickaxe_opts, + diff_break_opt, + orderfile, + diff_filter); if (diff_queue_is_empty()) { - diff_flush(DIFF_FORMAT_NO_OUTPUT, 0); + diff_flush(DIFF_FORMAT_NO_OUTPUT, diff_line_termination); return 0; } - if (nr_paths) - diffcore_pathspec(paths); if (header) { - if (diff_output_format == DIFF_FORMAT_MACHINE) { - const char *ep, *cp; - for (cp = header; *cp; cp = ep) { - ep = strchr(cp, '\n'); - if (ep == 0) ep = cp + strlen(cp); - printf("%.*s%c", ep-cp, cp, 0); - if (*ep) ep++; - } - } - else { - printf("%s", header); - } + printf("%s%c", header, diff_line_termination); header = NULL; } - diff_flush(diff_output_format, 1); + diff_flush(diff_output_format, diff_line_termination); return 1; } @@ -316,85 +315,16 @@ static int diff_root_tree(const unsigned char *new, const char *base) return retval; } -static int get_one_line(const char *msg, unsigned long len) -{ - int ret = 0; - - while (len--) { - ret++; - if (*msg++ == '\n') - break; - } - return ret; -} - -static int add_author_info(char *buf, const char *line, int len) -{ - char *date; - unsigned int namelen; - unsigned long time; - int tz; - - line += strlen("author "); - date = strchr(line, '>'); - if (!date) - return 0; - namelen = ++date - line; - time = strtoul(date, &date, 10); - tz = strtol(date, NULL, 10); - - return sprintf(buf, "Author: %.*s\nDate: %s\n", - namelen, line, - show_date(time, tz)); -} - -static char *generate_header(const char *commit, const char *parent, const char *msg, unsigned long len) +static const char *generate_header(const char *commit, const char *parent, const char *msg, unsigned long len) { static char this_header[16384]; int offset; - offset = sprintf(this_header, "%s%s (from %s)\n", header_prefix, commit, parent); - if (verbose_header) { - int hdr = 1; - - for (;;) { - const char *line = msg; - int linelen = get_one_line(msg, len); - - if (!linelen) - break; - - /* - * We want some slop for indentation and a possible - * final "...". Thus the "+ 20". - */ - if (offset + linelen + 20 > sizeof(this_header)) { - memcpy(this_header + offset, " ...\n", 8); - offset += 8; - break; - } - - msg += linelen; - len -= linelen; - if (linelen == 1) - hdr = 0; - if (hdr) { - if (!memcmp(line, "author ", 7)) - offset += add_author_info(this_header + offset, line, linelen); - continue; - } - memset(this_header + offset, ' ', 4); - memcpy(this_header + offset + 4, line, linelen); - offset += linelen + 4; - } - /* Make sure there is an EOLN */ - if (this_header[offset-1] != '\n') - this_header[offset++] = '\n'; - /* Add _another_ EOLN if we are doing diff output */ - this_header[offset++] = '\n'; - this_header[offset] = 0; - } + if (!verbose_header) + return commit; + offset = sprintf(this_header, "%s%s (from %s)\n", header_prefix, commit, parent); + offset += pretty_print_commit(commit_format, msg, len, this_header + offset, sizeof(this_header) - offset); return this_header; } @@ -440,6 +370,7 @@ static int diff_tree_commit(const unsigned char *commit, const char *name) } offset += 48; } + free(buf); return 0; } @@ -465,14 +396,25 @@ static int diff_tree_stdin(char *line) return diff_tree_commit(commit, line); } -static char *diff_tree_usage = -"git-diff-tree [-p] [-r] [-z] [--stdin] [-M] [-C] [-R] [-S] [-m] [-s] [-v] [-t] "; +static int count_paths(const char **paths) +{ + int i = 0; + while (*paths++) + i++; + return i; +} + +static const char diff_tree_usage[] = +"git-diff-tree [--stdin] [-m] [-s] [-v] [--pretty] [-t] " +"[] " +COMMON_DIFF_OPTIONS_HELP; -int main(int argc, const char **argv) +int main(int argc, char **argv) { int nr_sha1; char line[1000]; unsigned char sha1[2][20]; + const char *prefix = setup_git_directory(); nr_sha1 = 0; for (;;) { @@ -506,10 +448,10 @@ int main(int argc, const char **argv) continue; } if (!strcmp(arg, "-R")) { - reverse_diff = 1; + diff_setup_opt |= DIFF_SETUP_REVERSE; continue; } - if (!strcmp(arg, "-p")) { + if (!strcmp(arg, "-p") || !strcmp(arg, "-u")) { diff_output_format = DIFF_FORMAT_PATCH; recursive = 1; continue; @@ -518,18 +460,45 @@ int main(int argc, const char **argv) pickaxe = arg + 2; continue; } + if (!strncmp(arg, "-O", 2)) { + orderfile = arg + 2; + continue; + } + if (!strncmp(arg, "--diff-filter=", 14)) { + diff_filter = arg + 14; + continue; + } + if (!strcmp(arg, "--pickaxe-all")) { + pickaxe_opts = DIFF_PICKAXE_ALL; + continue; + } if (!strncmp(arg, "-M", 2)) { detect_rename = DIFF_DETECT_RENAME; - diff_score_opt = diff_scoreopt_parse(arg); + if ((diff_score_opt = diff_scoreopt_parse(arg)) == -1) + usage(diff_tree_usage); continue; } if (!strncmp(arg, "-C", 2)) { detect_rename = DIFF_DETECT_COPY; - diff_score_opt = diff_scoreopt_parse(arg); + if ((diff_score_opt = diff_scoreopt_parse(arg)) == -1) + usage(diff_tree_usage); + continue; + } + if (!strncmp(arg, "-B", 2)) { + if ((diff_break_opt = diff_scoreopt_parse(arg)) == -1) + usage(diff_tree_usage); + continue; + } + if (!strcmp(arg, "--find-copies-harder")) { + find_copies_harder = 1; + continue; + } + if (!strcmp(arg, "--name-only")) { + diff_output_format = DIFF_FORMAT_NAME; continue; } if (!strcmp(arg, "-z")) { - diff_output_format = DIFF_FORMAT_MACHINE; + diff_line_termination = 0; continue; } if (!strcmp(arg, "-m")) { @@ -545,6 +514,12 @@ int main(int argc, const char **argv) header_prefix = "diff-tree "; continue; } + if (!strncmp(arg, "--pretty", 8)) { + verbose_header = 1; + header_prefix = "diff-tree "; + commit_format = get_commit_format(arg+8); + continue; + } if (!strcmp(arg, "--stdin")) { read_stdin = 1; continue; @@ -555,12 +530,14 @@ int main(int argc, const char **argv) } usage(diff_tree_usage); } + if (find_copies_harder && detect_rename != DIFF_DETECT_COPY) + usage(diff_tree_usage); - if (argc > 0) { + paths = get_pathspec(prefix, argv); + if (paths) { int i; - paths = argv; - nr_paths = argc; + nr_paths = count_paths(paths); pathlens = xmalloc(nr_paths * sizeof(int)); for (i=0; i