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author | Russell Belfer <rb@github.com> | 2013-05-18 04:33:03 +0400 |
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committer | Russell Belfer <rb@github.com> | 2013-05-18 04:33:03 +0400 |
commit | 5c8f37a397609eba92c6a906be467a7d7373e4f3 (patch) | |
tree | 161848d06f272e2759e0a55c8ee164570bec00f8 /examples/diff.c | |
parent | d958e37a48c693a1907bede563bd835935d23499 (diff) |
Extend diff example
Add --raw output format and (some) options to invoke rename/copy
detection on the diff.
Diffstat (limited to 'examples/diff.c')
-rw-r--r-- | examples/diff.c | 50 |
1 files changed, 44 insertions, 6 deletions
diff --git a/examples/diff.c b/examples/diff.c index bb4f0ec21..11efa21ec 100644 --- a/examples/diff.c +++ b/examples/diff.c @@ -84,6 +84,10 @@ static int check_uint16_param(const char *arg, const char *pattern, uint16_t *va char *endptr = NULL; if (strncmp(arg, pattern, len)) return 0; + if (arg[len] == '\0' && pattern[len - 1] != '=') + return 1; + if (arg[len] == '=') + len++; strval = strtoul(arg + len, &endptr, 0); if (endptr == arg) return 0; @@ -110,13 +114,20 @@ static void usage(const char *message, const char *arg) exit(1); } +enum { + FORMAT_PATCH = 0, + FORMAT_COMPACT = 1, + FORMAT_RAW = 2 +}; + int main(int argc, char *argv[]) { git_repository *repo = NULL; git_tree *t1 = NULL, *t2 = NULL; git_diff_options opts = GIT_DIFF_OPTIONS_INIT; + git_diff_find_options findopts = GIT_DIFF_FIND_OPTIONS_INIT; git_diff_list *diff; - int i, color = -1, compact = 0, cached = 0; + int i, color = -1, format = FORMAT_PATCH, cached = 0; char *a, *treeish1 = NULL, *treeish2 = NULL; const char *dir = "."; @@ -137,11 +148,13 @@ int main(int argc, char *argv[]) } else if (!strcmp(a, "-p") || !strcmp(a, "-u") || !strcmp(a, "--patch")) - compact = 0; + format = FORMAT_PATCH; else if (!strcmp(a, "--cached")) cached = 1; else if (!strcmp(a, "--name-status")) - compact = 1; + format = FORMAT_COMPACT; + else if (!strcmp(a, "--raw")) + format = FORMAT_RAW; else if (!strcmp(a, "--color")) color = 0; else if (!strcmp(a, "--no-color")) @@ -160,6 +173,20 @@ int main(int argc, char *argv[]) opts.flags |= GIT_DIFF_INCLUDE_IGNORED; else if (!strcmp(a, "--untracked")) opts.flags |= GIT_DIFF_INCLUDE_UNTRACKED; + else if (check_uint16_param(a, "-M", &findopts.rename_threshold) || + check_uint16_param(a, "--find-renames", + &findopts.rename_threshold)) + findopts.flags |= GIT_DIFF_FIND_RENAMES; + else if (check_uint16_param(a, "-C", &findopts.copy_threshold) || + check_uint16_param(a, "--find-copies", + &findopts.copy_threshold)) + findopts.flags |= GIT_DIFF_FIND_COPIES; + else if (!strcmp(a, "--find-copies-harder")) + findopts.flags |= GIT_DIFF_FIND_COPIES_FROM_UNMODIFIED; + else if (!strncmp(a, "-B", 2) || !strncmp(a, "--break-rewrites", 16)) { + /* TODO: parse thresholds */ + findopts.flags |= GIT_DIFF_FIND_REWRITES; + } else if (!check_uint16_param(a, "-U", &opts.context_lines) && !check_uint16_param(a, "--unified=", &opts.context_lines) && !check_uint16_param(a, "--inter-hunk-context=", @@ -204,13 +231,24 @@ int main(int argc, char *argv[]) else check(git_diff_index_to_workdir(&diff, repo, NULL, &opts), "Diff"); + if ((findopts.flags & GIT_DIFF_FIND_ALL) != 0) + check(git_diff_find_similar(diff, &findopts), + "finding renames and copies "); + if (color >= 0) fputs(colors[0], stdout); - if (compact) - check(git_diff_print_compact(diff, printer, &color), "Displaying diff"); - else + switch (format) { + case FORMAT_PATCH: check(git_diff_print_patch(diff, printer, &color), "Displaying diff"); + break; + case FORMAT_COMPACT: + check(git_diff_print_compact(diff, printer, &color), "Displaying diff"); + break; + case FORMAT_RAW: + check(git_diff_print_raw(diff, printer, &color), "Displaying diff"); + break; + } if (color >= 0) fputs(colors[0], stdout); |