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Merge branch 'en/rename-directory-detection'

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Rename detection logic in "diff" family that is used in "merge" has
learned to guess when all of x/a, x/b and x/c have moved to z/a,
z/b and z/c, it is likely that x/d added in the meantime would also
want to move to z/d by taking the hint that the entire directory
'x' moved to 'z'.  A bug causing dirty files involved in a rename
to be overwritten during merge has also been fixed as part of this
work.

* en/rename-directory-detection: (29 commits)
  merge-recursive: ensure we write updates for directory-renamed file
  merge-recursive: avoid spurious rename/rename conflict from dir renames
  directory rename detection: new testcases showcasing a pair of bugs
  merge-recursive: fix remaining directory rename + dirty overwrite cases
  merge-recursive: fix overwriting dirty files involved in renames
  merge-recursive: avoid clobbering untracked files with directory renames
  merge-recursive: apply necessary modifications for directory renames
  merge-recursive: when comparing files, don't include trees
  merge-recursive: check for file level conflicts then get new name
  merge-recursive: add computation of collisions due to dir rename & merging
  merge-recursive: check for directory level conflicts
  merge-recursive: add get_directory_renames()
  merge-recursive: make a helper function for cleanup for handle_renames
  merge-recursive: split out code for determining diff_filepairs
  merge-recursive: make !o->detect_rename codepath more obvious
  merge-recursive: fix leaks of allocated renames and diff_filepairs
  merge-recursive: introduce new functions to handle rename logic
  merge-recursive: move the get_renames() function
  directory rename detection: tests for handling overwriting dirty files
  directory rename detection: tests for handling overwriting untracked files
  ...
This commit is contained in:
Junio C Hamano
2018-04-10 08:25:43 +09:00
parent 468165c1d8 c5b761fb27
commit e4bb62fa1e
9 changed files with 5197 additions and 115 deletions
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16
strbuf.c
View File

@ -1,5 +1,6 @@
#include "cache.h"
#include "refs.h"
#include "string-list.h"
#include "utf8.h"
int starts_with(const char *str, const char *prefix)
@ -171,6 +172,21 @@ struct strbuf **strbuf_split_buf(const char *str, size_t slen,
return ret;
}
void strbuf_add_separated_string_list(struct strbuf *str,
const char *sep,
struct string_list *slist)
{
struct string_list_item *item;
int sep_needed = 0;
for_each_string_list_item(item, slist) {
if (sep_needed)
strbuf_addstr(str, sep);
strbuf_addstr(str, item->string);
sep_needed = 1;
}
}
void strbuf_list_free(struct strbuf **sbs)
{
struct strbuf **s = sbs;