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checkpatch: enable GIT_DIR environment use to set git repository location 

If set, use the environment variable GIT_DIR to change the default .git
location of the kernel git tree.

If GIT_DIR is unset, keep using the current ".git" default.

Link: https://lkml.kernel.org/r/c5e23b45562373d632fccb8bc04e563abba4dd1d.camel@perches.com
Signed-off-by: Joe Perches <joe@perches.com>
Tested-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Joe Perches 2020-10-24 16:59:04 -07:00 committed by Linus Torvalds
parent 672f887126
commit 0f7f635b06
1 changed files with 7 additions and 5 deletions
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12
scripts/checkpatch.pl
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@ -43,6 +43,8 @@ my $list_types = 0;
my $fix = 0;
my $fix_inplace = 0;
my $root;
my $gitroot = $ENV{'GIT_DIR'};
$gitroot = ".git" if !defined($gitroot);
my %debug;
my %camelcase = ();
my %use_type = ();
@ -908,7 +910,7 @@ sub is_maintained_obsolete {
sub is_SPDX_License_valid {
my ($license) = @_;
return 1 if (!$tree || which("python") eq "" || !(-e "$root/scripts/spdxcheck.py") || !(-e "$root/.git"));
return 1 if (!$tree || which("python") eq "" || !(-e "$root/scripts/spdxcheck.py") || !(-e "$gitroot"));
my $root_path = abs_path($root);
my $status = `cd "$root_path"; echo "$license" | python scripts/spdxcheck.py -`;
@ -926,7 +928,7 @@ sub seed_camelcase_includes {
$camelcase_seeded = 1;
if (-e ".git") {
if (-e "$gitroot") {
my $git_last_include_commit = `${git_command} log --no-merges --pretty=format:"%h%n" -1 -- include`;
chomp $git_last_include_commit;
$camelcase_cache = ".checkpatch-camelcase.git.$git_last_include_commit";
@ -954,7 +956,7 @@ sub seed_camelcase_includes {
return;
}
if (-e ".git") {
if (-e "$gitroot") {
$files = `${git_command} ls-files "include/*.h"`;
@include_files = split('\n', $files);
}
@ -987,7 +989,7 @@ sub git_is_single_file {
sub git_commit_info {
my ($commit, $id, $desc) = @_;
return ($id, $desc) if ((which("git") eq "") || !(-e ".git"));
return ($id, $desc) if ((which("git") eq "") || !(-e "$gitroot"));
my $output = `${git_command} log --no-color --format='%H %s' -1 $commit 2>&1`;
$output =~ s/^\s*//gm;
@ -1026,7 +1028,7 @@ my $fixlinenr = -1;
# If input is git commits, extract all commits from the commit expressions.
# For example, HEAD-3 means we need check 'HEAD, HEAD~1, HEAD~2'.
die "$P: No git repository found\n" if ($git && !-e ".git");
die "$P: No git repository found\n" if ($git && !-e "$gitroot");
if ($git) {
my @commits = ();