X-Git-Url: https://git.verplant.org/?a=blobdiff_plain;f=diff-tree.c;h=db37aa714f0d0a7b0b2437ffb5b04351642f1e00;hb=e3bc7a3bc7b77f44d686003f5a9346a135529f73;hp=e8bad722140f6275dcea00b4ac86c378a079d73a;hpb=38c6f78059c3060db6f94b24f4a90063a91090d2;p=git.git diff --git a/diff-tree.c b/diff-tree.c index e8bad722..db37aa71 100644 --- a/diff-tree.c +++ b/diff-tree.c @@ -1,25 +1,28 @@ #include #include "cache.h" #include "diff.h" +#include "commit.h" -static int silent = 0; static int show_root_diff = 0; static int verbose_header = 0; static int ignore_merges = 1; static int recursive = 0; +static int show_tree_entry_in_recursive = 0; static int read_stdin = 0; -static int line_termination = '\n'; -static int generate_patch = 0; +static int diff_output_format = DIFF_FORMAT_HUMAN; static int detect_rename = 0; -static int reverse_diff = 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 *header = NULL; static const char *header_prefix = ""; // What paths are we interested in? static int nr_paths = 0; -static char **paths = NULL; +static const char **paths = NULL; static int *pathlens = NULL; static int diff_tree_sha1(const unsigned char *old, const unsigned char *new, const char *base); @@ -68,14 +71,6 @@ 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; @@ -133,18 +128,13 @@ static int compare_tree_entry(void *tree1, unsigned long size1, void *tree2, uns if (recursive && S_ISDIR(mode1)) { int retval; char *newbase = malloc_base(base, path1, pathlen1); + if (show_tree_entry_in_recursive) + diff_change(mode1, mode2, sha1, sha2, base, path1); retval = diff_tree_sha1(sha1, sha2, newbase); free(newbase); return retval; } - if (header) { - printf("%s", header); - header = NULL; - } - if (silent) - return 0; - diff_change(mode1, mode2, sha1, sha2, base, path1); return 0; } @@ -269,16 +259,30 @@ static int diff_tree_sha1(const unsigned char *old, const unsigned char *new, co static void call_diff_setup(void) { - diff_setup(reverse_diff, (generate_patch ? -1 : line_termination)); + diff_setup(diff_setup_opt); } -static void call_diff_flush(void) +static int call_diff_flush(void) { - if (detect_rename) - diff_detect_rename(detect_rename, diff_score_opt); - if (pickaxe) - diff_pickaxe(pickaxe); - diff_flush(NULL, 0); + diffcore_std(0, + detect_rename, diff_score_opt, + pickaxe, pickaxe_opts, + diff_break_opt, + orderfile); + if (diff_queue_is_empty()) { + diff_flush(DIFF_FORMAT_NO_OUTPUT, 0); + return 0; + } + if (header) { + const char *fmt = "%s"; + if (diff_output_format == DIFF_FORMAT_MACHINE) + fmt = "%s%c"; + + printf(fmt, header, 0); + header = NULL; + } + diff_flush(diff_output_format, 1); + return 1; } static int diff_tree_sha1_top(const unsigned char *old, @@ -308,38 +312,6 @@ 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 char this_header[16384]; @@ -347,45 +319,9 @@ static char *generate_header(const char *commit, const char *parent, const char 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 */ - if (!silent) - this_header[offset++] = '\n'; - this_header[offset] = 0; + offset += pretty_print_commit(msg, len, this_header + offset, sizeof(this_header) - offset); + this_header[offset++] = '\n'; + this_header[offset++] = 0; } return this_header; @@ -430,8 +366,6 @@ static int diff_tree_commit(const unsigned char *commit, const char *name) * Don't print multiple merge entries if we * don't print the diffs. */ - if (silent) - break; } offset += 48; } @@ -461,9 +395,9 @@ static int diff_tree_stdin(char *line) } static char *diff_tree_usage = -"git-diff-tree [-p] [-r] [-z] [--stdin] [-M] [-C] [-R] [-S] [-m] [-s] [-v] "; +"git-diff-tree [-p] [-r] [-z] [--stdin] [-M] [-C] [-R] [-S] [-m] [-s] [-v] [-t] "; -int main(int argc, char **argv) +int main(int argc, const char **argv) { int nr_sha1; char line[1000]; @@ -471,7 +405,7 @@ int main(int argc, char **argv) nr_sha1 = 0; for (;;) { - char *arg; + const char *arg; argv++; argc--; @@ -496,31 +430,47 @@ int main(int argc, char **argv) recursive = 1; continue; } + if (!strcmp(arg, "-t")) { + recursive = show_tree_entry_in_recursive = 1; + continue; + } if (!strcmp(arg, "-R")) { - reverse_diff = 1; + diff_setup_opt |= DIFF_SETUP_REVERSE; continue; } if (!strcmp(arg, "-p")) { - recursive = generate_patch = 1; + diff_output_format = DIFF_FORMAT_PATCH; + recursive = 1; continue; } if (!strncmp(arg, "-S", 2)) { pickaxe = arg + 2; continue; } + if (!strncmp(arg, "-O", 2)) { + orderfile = arg + 2; + continue; + } + if (!strcmp(arg, "--pickaxe-all")) { + pickaxe_opts = DIFF_PICKAXE_ALL; + continue; + } if (!strncmp(arg, "-M", 2)) { - detect_rename = recursive = generate_patch = 1; + detect_rename = DIFF_DETECT_RENAME; diff_score_opt = diff_scoreopt_parse(arg); continue; } if (!strncmp(arg, "-C", 2)) { - detect_rename = 2; - recursive = generate_patch = 1; + detect_rename = DIFF_DETECT_COPY; diff_score_opt = diff_scoreopt_parse(arg); continue; } + if (!strncmp(arg, "-B", 2)) { + diff_break_opt = diff_scoreopt_parse(arg); + continue; + } if (!strcmp(arg, "-z")) { - line_termination = '\0'; + diff_output_format = DIFF_FORMAT_MACHINE; continue; } if (!strcmp(arg, "-m")) { @@ -528,7 +478,7 @@ int main(int argc, char **argv) continue; } if (!strcmp(arg, "-s")) { - silent = 1; + diff_output_format = DIFF_FORMAT_NO_OUTPUT; continue; } if (!strcmp(arg, "-v")) { @@ -573,6 +523,9 @@ int main(int argc, char **argv) if (!read_stdin) return 0; + if (detect_rename) + diff_setup_opt |= (DIFF_SETUP_USE_SIZE_CACHE | + DIFF_SETUP_USE_CACHE); while (fgets(line, sizeof(line), stdin)) diff_tree_stdin(line);