зеркало из https://github.com/microsoft/git.git
Merge branch 'bk/refresh-missing-ok-in-merge-recursive' into maint
"merge-recursive" was broken in 1.7.7 era and stopped working in an empty (temporary) working tree, when there are renames involved. This has been corrected. * bk/refresh-missing-ok-in-merge-recursive: merge-recursive.c: tolerate missing files while refreshing index read-cache.c: extend make_cache_entry refresh flag with options read-cache.c: refactor --ignore-missing implementation t3030-merge-recursive: test known breakage with empty work tree
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Коммит
6d011b8e3f
6
cache.h
6
cache.h
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@ -487,7 +487,7 @@ extern int remove_file_from_index(struct index_state *, const char *path);
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#define ADD_CACHE_IMPLICIT_DOT 32 /* internal to "git add -u/-A" */
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extern int add_to_index(struct index_state *, const char *path, struct stat *, int flags);
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extern int add_file_to_index(struct index_state *, const char *path, int flags);
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extern struct cache_entry *make_cache_entry(unsigned int mode, const unsigned char *sha1, const char *path, int stage, int refresh);
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extern struct cache_entry *make_cache_entry(unsigned int mode, const unsigned char *sha1, const char *path, int stage, unsigned int refresh_options);
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extern int ce_same_name(const struct cache_entry *a, const struct cache_entry *b);
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extern int index_name_is_other(const struct index_state *, const char *, int);
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extern void *read_blob_data_from_index(struct index_state *, const char *, unsigned long *);
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@ -498,6 +498,10 @@ extern void *read_blob_data_from_index(struct index_state *, const char *, unsig
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#define CE_MATCH_RACY_IS_DIRTY 02
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/* do stat comparison even if CE_SKIP_WORKTREE is true */
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#define CE_MATCH_IGNORE_SKIP_WORKTREE 04
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/* ignore non-existent files during stat update */
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#define CE_MATCH_IGNORE_MISSING 0x08
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/* enable stat refresh */
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#define CE_MATCH_REFRESH 0x10
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extern int ie_match_stat(const struct index_state *, const struct cache_entry *, struct stat *, unsigned int);
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extern int ie_modified(const struct index_state *, const struct cache_entry *, struct stat *, unsigned int);
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@ -201,7 +201,9 @@ static int add_cacheinfo(unsigned int mode, const unsigned char *sha1,
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const char *path, int stage, int refresh, int options)
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{
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struct cache_entry *ce;
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ce = make_cache_entry(mode, sha1 ? sha1 : null_sha1, path, stage, refresh);
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ce = make_cache_entry(mode, sha1 ? sha1 : null_sha1, path, stage,
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(refresh ? (CE_MATCH_REFRESH |
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CE_MATCH_IGNORE_MISSING) : 0 ));
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if (!ce)
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return error(_("addinfo_cache failed for path '%s'"), path);
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return add_cache_entry(ce, options);
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27
read-cache.c
27
read-cache.c
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@ -15,7 +15,8 @@
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#include "strbuf.h"
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#include "varint.h"
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static struct cache_entry *refresh_cache_entry(struct cache_entry *ce, int really);
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static struct cache_entry *refresh_cache_entry(struct cache_entry *ce,
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unsigned int options);
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/* Mask for the name length in ce_flags in the on-disk index */
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@ -696,7 +697,7 @@ int add_file_to_index(struct index_state *istate, const char *path, int flags)
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struct cache_entry *make_cache_entry(unsigned int mode,
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const unsigned char *sha1, const char *path, int stage,
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int refresh)
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unsigned int refresh_options)
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{
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int size, len;
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struct cache_entry *ce;
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@ -716,10 +717,7 @@ struct cache_entry *make_cache_entry(unsigned int mode,
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ce->ce_namelen = len;
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ce->ce_mode = create_ce_mode(mode);
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if (refresh)
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return refresh_cache_entry(ce, 0);
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return ce;
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return refresh_cache_entry(ce, refresh_options);
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}
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int ce_same_name(const struct cache_entry *a, const struct cache_entry *b)
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@ -1024,10 +1022,12 @@ static struct cache_entry *refresh_cache_ent(struct index_state *istate,
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struct stat st;
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struct cache_entry *updated;
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int changed, size;
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int refresh = options & CE_MATCH_REFRESH;
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int ignore_valid = options & CE_MATCH_IGNORE_VALID;
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int ignore_skip_worktree = options & CE_MATCH_IGNORE_SKIP_WORKTREE;
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int ignore_missing = options & CE_MATCH_IGNORE_MISSING;
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if (ce_uptodate(ce))
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if (!refresh || ce_uptodate(ce))
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return ce;
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/*
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@ -1045,6 +1045,8 @@ static struct cache_entry *refresh_cache_ent(struct index_state *istate,
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}
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if (lstat(ce->name, &st) < 0) {
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if (ignore_missing && errno == ENOENT)
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return ce;
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if (err)
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*err = errno;
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return NULL;
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@ -1122,7 +1124,9 @@ int refresh_index(struct index_state *istate, unsigned int flags,
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int ignore_submodules = (flags & REFRESH_IGNORE_SUBMODULES) != 0;
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int first = 1;
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int in_porcelain = (flags & REFRESH_IN_PORCELAIN);
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unsigned int options = really ? CE_MATCH_IGNORE_VALID : 0;
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unsigned int options = (CE_MATCH_REFRESH |
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(really ? CE_MATCH_IGNORE_VALID : 0) |
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(not_new ? CE_MATCH_IGNORE_MISSING : 0));
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const char *modified_fmt;
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const char *deleted_fmt;
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const char *typechange_fmt;
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@ -1170,8 +1174,6 @@ int refresh_index(struct index_state *istate, unsigned int flags,
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if (!new) {
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const char *fmt;
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if (not_new && cache_errno == ENOENT)
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continue;
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if (really && cache_errno == EINVAL) {
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/* If we are doing --really-refresh that
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* means the index is not valid anymore.
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@ -1201,9 +1203,10 @@ int refresh_index(struct index_state *istate, unsigned int flags,
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return has_errors;
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}
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static struct cache_entry *refresh_cache_entry(struct cache_entry *ce, int really)
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static struct cache_entry *refresh_cache_entry(struct cache_entry *ce,
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unsigned int options)
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{
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return refresh_cache_ent(&the_index, ce, really, NULL, NULL);
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return refresh_cache_ent(&the_index, ce, options, NULL, NULL);
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}
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@ -257,6 +257,7 @@ test_expect_success 'setup 8' '
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git add e &&
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test_tick &&
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git commit -m "rename a->e" &&
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c7=$(git rev-parse --verify HEAD) &&
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git checkout rename-ln &&
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git mv a e &&
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test_ln_s_add e a &&
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@ -517,6 +518,52 @@ test_expect_success 'reset and bind merge' '
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'
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test_expect_success 'merge-recursive w/ empty work tree - ours has rename' '
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(
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GIT_WORK_TREE="$PWD/ours-has-rename-work" &&
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export GIT_WORK_TREE &&
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GIT_INDEX_FILE="$PWD/ours-has-rename-index" &&
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export GIT_INDEX_FILE &&
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mkdir "$GIT_WORK_TREE" &&
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git read-tree -i -m $c7 &&
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git update-index --ignore-missing --refresh &&
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git merge-recursive $c0 -- $c7 $c3 &&
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git ls-files -s >actual-files
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) 2>actual-err &&
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>expected-err &&
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cat >expected-files <<-EOF &&
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100644 $o3 0 b/c
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100644 $o0 0 c
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100644 $o0 0 d/e
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100644 $o0 0 e
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EOF
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test_cmp expected-files actual-files &&
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test_cmp expected-err actual-err
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'
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test_expect_success 'merge-recursive w/ empty work tree - theirs has rename' '
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(
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GIT_WORK_TREE="$PWD/theirs-has-rename-work" &&
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export GIT_WORK_TREE &&
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GIT_INDEX_FILE="$PWD/theirs-has-rename-index" &&
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export GIT_INDEX_FILE &&
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mkdir "$GIT_WORK_TREE" &&
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git read-tree -i -m $c3 &&
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git update-index --ignore-missing --refresh &&
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git merge-recursive $c0 -- $c3 $c7 &&
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git ls-files -s >actual-files
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) 2>actual-err &&
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>expected-err &&
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cat >expected-files <<-EOF &&
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100644 $o3 0 b/c
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100644 $o0 0 c
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100644 $o0 0 d/e
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100644 $o0 0 e
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EOF
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test_cmp expected-files actual-files &&
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test_cmp expected-err actual-err
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'
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test_expect_success 'merge removes empty directories' '
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git reset --hard master &&
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