Diff for /embedaddon/rsync/support/git-set-file-times between versions 1.1.1.2 and 1.1.1.3

version 1.1.1.2, 2013/10/14 07:51:15 version 1.1.1.3, 2021/03/17 00:32:36
Line 1 Line 1
#!/usr/bin/perl#!/usr/bin/env python3
use strict; 
use warnings; 
   
# Sets mtime and atime of files to the latest commit time in git.import os, re, argparse, subprocess
#from datetime import datetime
# This is useful after the first clone of the rsync repository BEFORE you 
# do any building.  It is also safe if you have done a "make distclean". 
   
my %ls;NULL_COMMIT_RE = re.compile(r'\0\0commit [a-f0-9]{40}$|\0$')
my $commit_time; 
my $prefix = @ARGV && $ARGV[0] =~ s/^--prefix=// ? shift : ''; 
   
$/ = "\0";def main():
open FH, 'git ls-files -z|' or die $!;    if not args.git_dir:
while (<FH>) {        cmd = 'git rev-parse --show-toplevel 2>/dev/null || echo .'
    chomp;        top_dir = subprocess.check_output(cmd, shell=True, encoding='utf-8').strip()
    $ls{$_} = $_;        args.git_dir = os.path.join(top_dir, '.git')
}        if not args.prefix:
close FH;            os.chdir(top_dir)
   
$/ = "\n";    git = [ 'git', '--git-dir=' + args.git_dir ]
open FH, "git log -r --name-only --no-color --pretty=raw -z @ARGV |" or die $!;
while (<FH>) {    if args.tree:
    chomp;        cmd = git + 'ls-tree -z -r --name-only'.split() + [ args.tree ]
    if (/^committer .*? (\d+) (?:[\-\+]\d+)$/) {    else:
        $commit_time = $1;        cmd = git + 'ls-files -z'.split()
    } elsif (s/\0\0commit [a-f0-9]{40}$// or s/\0$//) {
        my @files = delete @ls{split(/\0/, $_)};    proc = subprocess.Popen(cmd, stdout=subprocess.PIPE, encoding='utf-8')
        @files = grep { defined $_ } @files;    out = proc.communicate()[0]
        next unless @files;    ls = set(out.split('\0'))
        map { s/^/$prefix/ } @files;    ls.discard('')
        utime $commit_time, $commit_time, @files;
    }    if not args.tree:
    last unless %ls;        # All modified files keep their current mtime.
}        proc = subprocess.Popen(git + 'ls-files -m -z'.split(), stdout=subprocess.PIPE, encoding='utf-8')
close FH;        out = proc.communicate()[0]
         for fn in out.split('\0'):
             if fn == '':
                 continue
             if args.list:
                 mtime = os.lstat(fn).st_mtime
                 print_line(fn, mtime, mtime)
             ls.discard(fn)
 
     cmd = git + 'log -r --name-only --no-color --pretty=raw --no-renames -z'.split()
     if args.tree:
         cmd.append(args.tree)
     cmd += ['--'] + args.files
 
     proc = subprocess.Popen(cmd, stdout=subprocess.PIPE, encoding='utf-8')
     for line in proc.stdout:
         line = line.strip()
         m = re.match(r'^committer .*? (\d+) [-+]\d+$', line)
         if m:
             commit_time = int(m[1])
         elif NULL_COMMIT_RE.search(line):
             line = NULL_COMMIT_RE.sub('', line)
             files = set(fn for fn in line.split('\0') if fn in ls)
             if not files:
                 continue
             for fn in files:
                 if args.prefix:
                     fn = args.prefix + fn
                 mtime = os.lstat(fn).st_mtime
                 if args.list:
                     print_line(fn, mtime, commit_time)
                 elif mtime != commit_time:
                     if not args.quiet:
                         print(f"Setting {fn}")
                     os.utime(fn, (commit_time, commit_time), follow_symlinks = False)
             ls -= files
             if not ls:
                 break
     proc.communicate()
 
 
 def print_line(fn, mtime, commit_time):
     if args.list > 1:
         ts = str(commit_time).rjust(10)
     else:
         ts = datetime.utcfromtimestamp(commit_time).strftime("%Y-%m-%d %H:%M:%S")
     chg = '.' if mtime == commit_time else '*'
     print(chg, ts, fn)
 
 
 if __name__ == '__main__':
     parser = argparse.ArgumentParser(description="Set the times of the files in the current git checkout to their last-changed time.", add_help=False)
     parser.add_argument('--git-dir', metavar='GIT_DIR', help="The git dir to query (defaults to affecting the current git checkout).")
     parser.add_argument('--tree', metavar='TREE-ISH', help="The tree-ish to query (defaults to the current branch).")
     parser.add_argument('--prefix', metavar='PREFIX_STR', help="Prepend the PREFIX_STR to each filename we tweak (defaults to the top of current checkout).")
     parser.add_argument('--quiet', '-q', action='store_true', help="Don't output the changed-file information.")
     parser.add_argument('--list', '-l', action='count', help="List files & times instead of changing them. Repeat for Unix timestamp instead of human readable.")
     parser.add_argument('files', metavar='FILE', nargs='*', help="Specify a subset of checked-out files to tweak.")
     parser.add_argument("--help", "-h", action="help", help="Output this help message and exit.")
     args = parser.parse_args()
     main()
 
 # vim: sw=4 et

Removed from v.1.1.1.2  
changed lines
  Added in v.1.1.1.3


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