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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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4
environment.c
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@ -107,7 +107,7 @@ char *git_work_tree_cfg;
static char *git_namespace;
static const char *super_prefix;
static char *super_prefix;
/*
* Repository-local GIT_* environment variables; see cache.h for details.
@ -240,7 +240,7 @@ const char *get_super_prefix(void)
{
static int initialized;
if (!initialized) {
super_prefix = getenv(GIT_SUPER_PREFIX_ENVIRONMENT);
super_prefix = xstrdup_or_null(getenv(GIT_SUPER_PREFIX_ENVIRONMENT));
initialized = 1;
}
return super_prefix;