diff options
| -rw-r--r-- | builtin/apply.c | 66 | ||||
| -rwxr-xr-x | t/t4108-apply-threeway.sh | 78 |
2 files changed, 138 insertions, 6 deletions
diff --git a/builtin/apply.c b/builtin/apply.c index 24efb3f438..dc52c9475e 100644 --- a/builtin/apply.c +++ b/builtin/apply.c @@ -3288,7 +3288,10 @@ static int try_threeway(struct image *image, struct patch *patch, if (status) { patch->conflicted_threeway = 1; - hashcpy(patch->threeway_stage[0], pre_sha1); + if (patch->is_new) + hashclr(patch->threeway_stage[0]); + else + hashcpy(patch->threeway_stage[0], pre_sha1); hashcpy(patch->threeway_stage[1], our_sha1); hashcpy(patch->threeway_stage[2], post_sha1); fprintf(stderr, "Applied patch to '%s' with conflicts.\n", patch->new_name); @@ -3852,6 +3855,32 @@ static void create_one_file(char *path, unsigned mode, const char *buf, unsigned die_errno(_("unable to write file '%s' mode %o"), path, mode); } +static void add_conflicted_stages_file(struct patch *patch) +{ + int stage, namelen; + unsigned ce_size, mode; + struct cache_entry *ce; + + if (!update_index) + return; + namelen = strlen(patch->new_name); + ce_size = cache_entry_size(namelen); + mode = patch->new_mode ? patch->new_mode : (S_IFREG | 0644); + + remove_file_from_cache(patch->new_name); + for (stage = 1; stage < 4; stage++) { + if (is_null_sha1(patch->threeway_stage[stage - 1])) + continue; + ce = xcalloc(1, ce_size); + memcpy(ce->name, patch->new_name, namelen); + ce->ce_mode = create_ce_mode(mode); + ce->ce_flags = create_ce_flags(namelen, stage); + hashcpy(ce->sha1, patch->threeway_stage[stage - 1]); + if (add_cache_entry(ce, ADD_CACHE_OK_TO_ADD) < 0) + die(_("unable to add cache entry for %s"), patch->new_name); + } +} + static void create_file(struct patch *patch) { char *path = patch->new_name; @@ -3862,7 +3891,11 @@ static void create_file(struct patch *patch) if (!mode) mode = S_IFREG | 0644; create_one_file(path, mode, buf, size); - add_index_file(path, mode, buf, size); + + if (patch->conflicted_threeway) + add_conflicted_stages_file(patch); + else + add_index_file(path, mode, buf, size); } /* phase zero is to remove, phase one is to create */ @@ -3964,6 +3997,7 @@ static int write_out_results(struct patch *list) int phase; int errs = 0; struct patch *l; + struct string_list cpath = STRING_LIST_INIT_DUP; for (phase = 0; phase < 2; phase++) { l = list; @@ -3972,12 +4006,28 @@ static int write_out_results(struct patch *list) errs = 1; else { write_out_one_result(l, phase); - if (phase == 1 && write_out_one_reject(l)) - errs = 1; + if (phase == 1) { + if (write_out_one_reject(l)) + errs = 1; + if (l->conflicted_threeway) { + string_list_append(&cpath, l->new_name); + errs = 1; + } + } } l = l->next; } } + + if (cpath.nr) { + struct string_list_item *item; + + sort_string_list(&cpath); + for_each_string_list_item(item, &cpath) + fprintf(stderr, "U %s\n", item->string); + string_list_clear(&cpath, 0); + } + return errs; } @@ -4100,8 +4150,12 @@ static int apply_patch(int fd, const char *filename, int options) !apply_with_reject) exit(1); - if (apply && write_out_results(list)) - exit(1); + if (apply && write_out_results(list)) { + if (apply_with_reject) + exit(1); + /* with --3way, we still need to write the index out */ + return 1; + } if (fake_ancestor) build_fake_ancestor(list, fake_ancestor); diff --git a/t/t4108-apply-threeway.sh b/t/t4108-apply-threeway.sh new file mode 100755 index 0000000000..475dfb57ee --- /dev/null +++ b/t/t4108-apply-threeway.sh @@ -0,0 +1,78 @@ +#!/bin/sh + +test_description='git apply --3way' + +. ./test-lib.sh + +create_file () { + for i + do + echo "$i" + done +} + +sanitize_conflicted_diff () { + sed -e ' + /^index /d + s/^\(+[<>][<>][<>][<>]*\) .*/\1/ + ' +} + +test_expect_success setup ' + test_tick && + create_file >one 1 2 3 4 5 6 7 && + cat one >two && + git add one two && + git commit -m initial && + + git branch side && + + test_tick && + create_file >one 1 two 3 4 5 six 7 && + create_file >two 1 two 3 4 5 6 7 && + git commit -a -m master && + + git checkout side && + create_file >one 1 2 3 4 five 6 7 && + create_file >two 1 2 3 4 five 6 7 && + git commit -a -m side && + + git checkout master +' + +test_expect_success 'apply without --3way' ' + git diff side^ side >P.diff && + + # should fail to apply + git reset --hard && + git checkout master^0 && + test_must_fail git apply --index P.diff && + # should leave things intact + git diff-files --exit-code && + git diff-index --exit-code --cached HEAD +' + +test_expect_success 'apply with --3way' ' + # Merging side should be similar to applying this patch + git diff ...side >P.diff && + + # The corresponding conflicted merge + git reset --hard && + git checkout master^0 && + test_must_fail git merge --no-commit side && + git ls-files -s >expect.ls && + git diff HEAD | sanitize_conflicted_diff >expect.diff && + + # should fail to apply + git reset --hard && + git checkout master^0 && + test_must_fail git apply --index --3way P.diff && + git ls-files -s >actual.ls && + git diff HEAD | sanitize_conflicted_diff >actual.diff && + + # The result should resemble the corresponding merge + test_cmp expect.ls actual.ls && + test_cmp expect.diff actual.diff +' + +test_done |