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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 16:14:31 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 16:14:31 +0000
commit2d5707c7479eacb3b1ad98e01b53f56a88f8fb78 (patch)
treed9c334e83692851c02e3e1b8e65570c97bc82481 /support/git-set-file-times
parentInitial commit. (diff)
downloadrsync-2d5707c7479eacb3b1ad98e01b53f56a88f8fb78.tar.xz
rsync-2d5707c7479eacb3b1ad98e01b53f56a88f8fb78.zip
Adding upstream version 3.2.7.upstream/3.2.7
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'support/git-set-file-times')
-rwxr-xr-xsupport/git-set-file-times94
1 files changed, 94 insertions, 0 deletions
diff --git a/support/git-set-file-times b/support/git-set-file-times
new file mode 100755
index 0000000..e06f073
--- /dev/null
+++ b/support/git-set-file-times
@@ -0,0 +1,94 @@
+#!/usr/bin/env python3
+
+import os, re, argparse, subprocess
+from datetime import datetime
+
+NULL_COMMIT_RE = re.compile(r'\0\0commit [a-f0-9]{40}$|\0$')
+
+def main():
+ if not args.git_dir:
+ cmd = 'git rev-parse --show-toplevel 2>/dev/null || echo .'
+ top_dir = subprocess.check_output(cmd, shell=True, encoding='utf-8').strip()
+ args.git_dir = os.path.join(top_dir, '.git')
+ if not args.prefix:
+ os.chdir(top_dir)
+
+ git = [ 'git', '--git-dir=' + args.git_dir ]
+
+ if args.tree:
+ cmd = git + 'ls-tree -z -r --name-only'.split() + [ args.tree ]
+ else:
+ cmd = git + 'ls-files -z'.split()
+
+ proc = subprocess.Popen(cmd, stdout=subprocess.PIPE, encoding='utf-8')
+ out = proc.communicate()[0]
+ ls = set(out.split('\0'))
+ ls.discard('')
+
+ if not args.tree:
+ # All modified files keep their current mtime.
+ proc = subprocess.Popen(git + 'status -z --no-renames'.split(), stdout=subprocess.PIPE, encoding='utf-8')
+ out = proc.communicate()[0]
+ for fn in out.split('\0'):
+ if fn == '' or (fn[0] != 'M' and fn[1] != 'M'):
+ continue
+ fn = fn[3:]
+ if args.list:
+ mtime = os.lstat(fn).st_mtime
+ print_line(fn, mtime, mtime)
+ ls.discard(fn)
+
+ cmd = git + 'log -r --name-only --format=%x00commit%x20%H%n%x00commit_time%x20%ct%n --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'^\0commit_time (\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