diff options
| -rw-r--r-- | Documentation/diff-options.txt | 9 | ||||
| -rw-r--r-- | diff.c | 25 | ||||
| -rw-r--r-- | diff.h | 1 |
3 files changed, 27 insertions, 8 deletions
diff --git a/Documentation/diff-options.txt b/Documentation/diff-options.txt index 9ecc1d7bc..1a78635fb 100644 --- a/Documentation/diff-options.txt +++ b/Documentation/diff-options.txt @@ -211,5 +211,14 @@ endif::git-format-patch[] --no-ext-diff:: Disallow external diff drivers. +--src-prefix=<prefix>:: + Show the given source prefix instead of "a/". + +--dst-prefix=<prefix>:: + Show the given destination prefix instead of "b/". + +--no-prefix:: + Do not show any source or destination prefix. + For more detailed explanation on these common options, see also link:diffcore.html[diffcore documentation]. @@ -290,9 +290,10 @@ static void emit_rewrite_diff(const char *name_a, const char *name_b, struct diff_filespec *one, struct diff_filespec *two, - int color_diff) + struct diff_options *o) { int lc_a, lc_b; + int color_diff = DIFF_OPT_TST(o, COLOR_DIFF); const char *name_a_tab, *name_b_tab; const char *metainfo = diff_get_color(color_diff, DIFF_METAINFO); const char *fraginfo = diff_get_color(color_diff, DIFF_FRAGINFO); @@ -309,9 +310,9 @@ static void emit_rewrite_diff(const char *name_a, diff_populate_filespec(two, 0); lc_a = count_lines(one->data, one->size); lc_b = count_lines(two->data, two->size); - printf("%s--- a/%s%s%s\n%s+++ b/%s%s%s\n%s@@ -", - metainfo, name_a, name_a_tab, reset, - metainfo, name_b, name_b_tab, reset, fraginfo); + printf("%s--- %s%s%s%s\n%s+++ %s%s%s%s\n%s@@ -", + metainfo, o->a_prefix, name_a, name_a_tab, reset, + metainfo, o->b_prefix, name_b, name_b_tab, reset, fraginfo); print_line_count(lc_a); printf(" +"); print_line_count(lc_b); @@ -1212,8 +1213,8 @@ static void builtin_diff(const char *name_a, const char *set = diff_get_color_opt(o, DIFF_METAINFO); const char *reset = diff_get_color_opt(o, DIFF_RESET); - a_one = quote_two("a/", name_a + (*name_a == '/')); - b_two = quote_two("b/", name_b + (*name_b == '/')); + a_one = quote_two(o->a_prefix, name_a + (*name_a == '/')); + b_two = quote_two(o->b_prefix, name_b + (*name_b == '/')); lbl[0] = DIFF_FILE_VALID(one) ? a_one : "/dev/null"; lbl[1] = DIFF_FILE_VALID(two) ? b_two : "/dev/null"; printf("%sdiff --git %s %s%s\n", set, a_one, b_two, reset); @@ -1242,8 +1243,7 @@ static void builtin_diff(const char *name_a, if ((one->mode ^ two->mode) & S_IFMT) goto free_ab_and_return; if (complete_rewrite) { - emit_rewrite_diff(name_a, name_b, one, two, - DIFF_OPT_TST(o, COLOR_DIFF)); + emit_rewrite_diff(name_a, name_b, one, two, o); o->found_changes = 1; goto free_ab_and_return; } @@ -2020,6 +2020,9 @@ void diff_setup(struct diff_options *options) else DIFF_OPT_CLR(options, COLOR_DIFF); options->detect_rename = diff_detect_rename_default; + + options->a_prefix = "a/"; + options->b_prefix = "b/"; } int diff_setup_done(struct diff_options *options) @@ -2291,6 +2294,12 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac) else if (40 < options->abbrev) options->abbrev = 40; } + else if (!prefixcmp(arg, "--src-prefix=")) + options->a_prefix = arg + 13; + else if (!prefixcmp(arg, "--dst-prefix=")) + options->b_prefix = arg + 13; + else if (!strcmp(arg, "--no-prefix")) + options->a_prefix = options->b_prefix = ""; else return 0; return 1; @@ -69,6 +69,7 @@ struct diff_options { const char *orderfile; const char *pickaxe; const char *single_follow; + const char *a_prefix, *b_prefix; unsigned flags; int context; int break_opt; |