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authorJunio C Hamano <gitster@pobox.com>2011-04-06 21:20:57 (GMT)
committerJunio C Hamano <gitster@pobox.com>2011-04-29 22:27:59 (GMT)
commit933e44d3a040c41a1e45d53a416edd107cc3ae0a (patch)
tree984bda83451936aa1d75aff08ff8438e53826f2d /builtin
parent9dce832354502a04e724c5776e60fc6189182307 (diff)
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"add -p": work-around an old laziness that does not coalesce hunks
Since 0beee4c (git-add--interactive: remove hunk coalescing, 2008-07-02), "git add--interactive" behaves lazily and passes overlapping hunks to the underlying "git apply" without coalescing. This was partially corrected by 7a26e65 (its partial revert, 2009-05-16), but overlapping hunks are still passed when the patch is edited. Teach "git apply" the --allow-overlap option that disables a safety feature that avoids misapplication of patches by not applying patches to overlapping hunks, and pass this option form "add -p" codepath. Do not even advertise the option, as this is merely a workaround, and the correct fix is to make "add -p" correctly coalesce adjacent patch hunks. Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'builtin')
-rw-r--r--builtin/apply.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/builtin/apply.c b/builtin/apply.c
index 04f56f8..8be1ce5 100644
--- a/builtin/apply.c
+++ b/builtin/apply.c
@@ -43,6 +43,7 @@ static int apply = 1;
static int apply_in_reverse;
static int apply_with_reject;
static int apply_verbosely;
+static int allow_overlap;
static int no_add;
static const char *fake_ancestor;
static int line_termination = '\n';
@@ -2430,9 +2431,9 @@ static void update_image(struct image *img,
memcpy(img->line + applied_pos,
postimage->line,
postimage->nr * sizeof(*img->line));
- for (i = 0; i < postimage->nr; i++)
- img->line[applied_pos + i].flag |= LINE_PATCHED;
-
+ if (!allow_overlap)
+ for (i = 0; i < postimage->nr; i++)
+ img->line[applied_pos + i].flag |= LINE_PATCHED;
img->nr = nr;
}
@@ -3877,6 +3878,8 @@ int cmd_apply(int argc, const char **argv, const char *prefix_)
"don't expect at least one line of context"),
OPT_BOOLEAN(0, "reject", &apply_with_reject,
"leave the rejected hunks in corresponding *.rej files"),
+ OPT_BOOLEAN(0, "allow-overlap", &allow_overlap,
+ "allow overlapping hunks"),
OPT__VERBOSE(&apply_verbosely, "be verbose"),
OPT_BIT(0, "inaccurate-eof", &options,
"tolerate incorrectly detected missing new-line at the end of file",