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Merge branch 'jk/save-getenv-result'

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There were many places the code relied on the string returned from
getenv() to be non-volatile, which is not true, that have been
corrected.

* jk/save-getenv-result:
  builtin_diff(): read $GIT_DIFF_OPTS closer to use
  merge-recursive: copy $GITHEAD strings
  init: make a copy of $GIT_DIR string
  config: make a copy of $GIT_CONFIG string
  commit: copy saved getenv() result
  get_super_prefix(): copy getenv() result
This commit is contained in:
Junio C Hamano
2019-01-29 12:47:53 -08:00
parent 15b07cba0b 0da0e9268b
commit 773e408881
6 changed files with 23 additions and 12 deletions
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6
builtin/init-db.c
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@ -542,8 +542,8 @@ int cmd_init_db(int argc, const char **argv, const char *prefix)
* GIT_WORK_TREE makes sense only in conjunction with GIT_DIR
* without --bare. Catch the error early.
*/
git_dir = getenv(GIT_DIR_ENVIRONMENT);
work_tree = getenv(GIT_WORK_TREE_ENVIRONMENT);
git_dir = xstrdup_or_null(getenv(GIT_DIR_ENVIRONMENT));
work_tree = xstrdup_or_null(getenv(GIT_WORK_TREE_ENVIRONMENT));
if ((!git_dir || is_bare_repository_cfg == 1) && work_tree)
die(_("%s (or --work-tree=<directory>) not allowed without "
"specifying %s (or --git-dir=<directory>)"),
@ -582,6 +582,8 @@ int cmd_init_db(int argc, const char **argv, const char *prefix)
}
UNLEAK(real_git_dir);
UNLEAK(git_dir);
UNLEAK(work_tree);
flags |= INIT_DB_EXIST_OK;
return init_db(git_dir, real_git_dir, template_dir, flags);