From: "Nguyễn Thái Ngọc Duy" <pclouds@gmail.com>
To: git@vger.kernel.org
Cc: "Junio C Hamano" <gitster@pobox.com>,
sbeller@google.com, asottile@umich.edu,
"Nguyễn Thái Ngọc Duy" <pclouds@gmail.com>
Subject: [PATCH v2 0/3] nd/clear-gitenv-upon-use-of-alias
Date: Sun, 20 Dec 2015 14:50:16 +0700 [thread overview]
Message-ID: <1450597819-26278-1-git-send-email-pclouds@gmail.com> (raw)
In-Reply-To: <1449166676-30845-1-git-send-email-pclouds@gmail.com>
Changes since v1:
- make sure we save/restore env for external commands in 2/3
- fix t0001 test in 3/3
Interdiff:
diff --git b/git.c a/git.c
index 83b6c56..da278c3 100644
--- b/git.c
+++ a/git.c
@@ -229,7 +229,6 @@ static int handle_options(const char ***argv, int *argc, int *envchanged)
static int handle_alias(int *argcp, const char ***argv)
{
int envchanged = 0, ret = 0, saved_errno = errno;
- const char *subdir;
int count, option_count;
const char **new_argv;
const char *alias_command;
@@ -237,7 +236,7 @@ static int handle_alias(int *argcp, const char ***argv)
int unused_nongit;
save_env_before_alias();
- subdir = setup_git_directory_gently(&unused_nongit);
+ setup_git_directory_gently(&unused_nongit);
alias_command = (*argv)[0];
alias_string = alias_lookup(alias_command);
@@ -296,8 +295,7 @@ static int handle_alias(int *argcp, const char ***argv)
ret = 1;
}
- if (subdir && chdir(subdir))
- die_errno("Cannot change to '%s'", subdir);
+ restore_env(0);
errno = saved_errno;
@@ -534,9 +532,13 @@ static void handle_builtin(int argc, const char **argv)
builtin = get_builtin(cmd);
if (builtin) {
- if (saved_env_before_alias)
- restore_env(0);
- else
+ /*
+ * XXX: if we can figure out cases where it is _safe_
+ * to do, we can avoid spawning a new process when
+ * saved_env_before_alias is true
+ * (i.e. setup_git_dir* has been run once)
+ */
+ if (!saved_env_before_alias)
exit(run_builtin(builtin, argc, argv));
}
}
diff --git b/t/t0001-init.sh a/t/t0001-init.sh
index 19539fc..295aa59 100755
--- b/t/t0001-init.sh
+++ a/t/t0001-init.sh
@@ -88,24 +88,14 @@ test_expect_success 'plain nested in bare through aliased command' '
'
test_expect_success 'No extra GIT_* on alias scripts' '
- cat <<-\EOF >expected &&
- GIT_ATTR_NOSYSTEM
- GIT_AUTHOR_EMAIL
- GIT_AUTHOR_NAME
- GIT_COMMITTER_EMAIL
- GIT_COMMITTER_NAME
- GIT_CONFIG_NOSYSTEM
- GIT_EXEC_PATH
- GIT_MERGE_AUTOEDIT
- GIT_MERGE_VERBOSITY
- GIT_PREFIX
- GIT_TEMPLATE_DIR
- GIT_TEXTDOMAINDIR
- GIT_TRACE_BARE
- EOF
+ (
+ env | sed -ne "/^GIT_/s/=.*//p" &&
+ echo GIT_PREFIX && # setup.c
+ echo GIT_TEXTDOMAINDIR # wrapper-for-bin.sh
+ ) | sort | uniq >expected &&
cat <<-\EOF >script &&
#!/bin/sh
- env | grep GIT_ | sed "s/=.*//" | sort >actual
+ env | sed -ne "/^GIT_/s/=.*//p" | sort >actual
exit 0
EOF
chmod 755 script &&
Nguyễn Thái Ngọc Duy (3):
git.c: make it clear save_env() is for alias handling only
setup.c: re-fix d95138e (setup: set env $GIT_WORK_TREE when ..
git.c: make sure we do not leak GIT_* to alias scripts
environment.c | 2 --
git.c | 41 +++++++++++++++++++++++------------------
t/t0001-init.sh | 17 +++++++++++++++++
t/t5601-clone.sh | 23 +++++++++++++++++++++++
4 files changed, 63 insertions(+), 20 deletions(-)
--
2.3.0.rc1.137.g477eb31
next prev parent reply other threads:[~2015-12-20 7:50 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CA+dzEB=2LJXiLSTqyLw8AeHNwdQicwvEiMg=hVEX0-_s1bySpA@mail.gmail.com>
2015-11-24 2:22 ` Fwd: Git clone fails during pre-commit hook due to GIT_WORK_TREE=. (regression 2.5 -> 2.6) Anthony Sottile
2015-11-24 17:57 ` Stefan Beller
2015-11-25 20:13 ` Duy Nguyen
2015-11-30 19:01 ` Duy Nguyen
2015-11-30 20:16 ` Junio C Hamano
2015-12-01 17:59 ` Duy Nguyen
2015-12-02 17:09 ` Junio C Hamano
2015-12-03 18:17 ` [PATCH 1/2] git.c: make it clear save_env() is for alias handling only Nguyễn Thái Ngọc Duy
2015-12-03 18:17 ` [PATCH 2/2] setup.c: re-fix d95138e (setup: set env $GIT_WORK_TREE when Nguyễn Thái Ngọc Duy
2015-12-04 20:35 ` Junio C Hamano
2015-12-05 5:48 ` Duy Nguyen
2015-12-05 15:32 ` [PATCH 3/2] git.c: make sure we do not leak GIT_* to alias scripts Nguyễn Thái Ngọc Duy
2015-12-07 18:54 ` Junio C Hamano
2015-12-08 16:55 ` Duy Nguyen
2015-12-08 17:20 ` Jeff King
2015-12-08 23:55 ` Junio C Hamano
2015-12-05 19:12 ` [PATCH 2/2] setup.c: re-fix d95138e (setup: set env $GIT_WORK_TREE when Duy Nguyen
2015-12-07 18:33 ` Junio C Hamano
2015-12-20 7:50 ` Nguyễn Thái Ngọc Duy [this message]
2015-12-20 7:50 ` [PATCH v2 1/3] git.c: make it clear save_env() is for alias handling only Nguyễn Thái Ngọc Duy
2015-12-20 7:50 ` [PATCH v2 2/3] setup.c: re-fix d95138e (setup: set env $GIT_WORK_TREE when Nguyễn Thái Ngọc Duy
2015-12-20 7:50 ` [PATCH v2 3/3] git.c: make sure we do not leak GIT_* to alias scripts Nguyễn Thái Ngọc Duy
2015-12-21 21:18 ` [PATCH v2 0/3] nd/clear-gitenv-upon-use-of-alias Junio C Hamano
2015-12-22 10:57 ` Duy Nguyen
2015-12-22 11:53 ` Duy Nguyen
2015-12-22 18:13 ` Junio C Hamano
2015-12-23 9:37 ` Jeff King
2015-12-23 10:20 ` Duy Nguyen
2015-12-23 16:17 ` Eric Sunshine
2015-12-23 20:37 ` Johannes Sixt
2015-12-23 21:31 ` Jeff King
2015-12-24 9:35 ` Duy Nguyen
2015-12-29 8:12 ` Jeff King
2015-12-29 21:34 ` Junio C Hamano
2015-12-21 10:22 ` [PATCH] Revert "setup: set env $GIT_WORK_TREE when work tree is set, like $GIT_DIR" Nguyễn Thái Ngọc Duy
2015-12-21 17:28 ` Junio C Hamano
2015-12-21 18:31 ` Junio C Hamano
2015-12-22 1:06 ` Duy Nguyen
2015-12-22 21:50 ` Junio C Hamano
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