mirror of
https://github.com/notwa/rc
synced 2024-11-05 08:29:02 -08:00
62 lines
1.9 KiB
Bash
Executable file
62 lines
1.9 KiB
Bash
Executable file
#!/usr/bin/env sh
|
|
# YES_ZSH YES_BASH YES_DASH YES_ASH
|
|
|
|
# TODO: check if this is compatible with busybox.
|
|
|
|
decently() ( ### @-
|
|
### given a list of directories, update the last-modified timestamp
|
|
### of each argument to that of the most recent file that it contains.
|
|
###
|
|
### note that *files* are found recursively, but only the
|
|
### *outermost directory* (the one specified by argument)
|
|
### has its timestamp updated. symlinks are followed.
|
|
### `.git` subdirectories are skipped over.
|
|
### the timestamps of subdirectories are ignored.
|
|
[ -n "$1" ] || { printf '%s: missing directory argument\n' decently >&2; return 1; }
|
|
|
|
local arg= dir= latest= prev= ts= fails= succs=0
|
|
|
|
finder() {
|
|
find "$dir" -type f "$@" \
|
|
'!' \
|
|
'(' -path '*/.git/*' \
|
|
-or -path '*/CVS/*' \
|
|
-or -path '*/CVSROOT/*' \
|
|
-or -path '*/__pycache__/*' \
|
|
-or -path '*/[Dd]esktop.ini' \
|
|
-or -path '*/Thumbs.db' \
|
|
-or -path '*/.DS_Store' \
|
|
')' \
|
|
-exec ls -t1 '{}' + \
|
|
2>/dev/null \
|
|
| while read -r f; do
|
|
printf '%s\n' "$f"
|
|
break
|
|
done
|
|
}
|
|
|
|
for arg; do
|
|
dir="$(readlink -f -- "$arg")" || continue
|
|
[ -d "$dir" ] || { printf '%s: not a directory: %s\n' decently "$dir" >&2; continue; }
|
|
|
|
prev=
|
|
latest="$(finder)" || continue
|
|
while [ -n "$latest" ]; do
|
|
prev="$latest"
|
|
latest="$(finder -newer "$latest")" || break
|
|
done
|
|
[ -e "$prev" ] || { printf '%s: no valid files found: %s\n' decently "$dir" >&2; continue; }
|
|
|
|
ts="$(date -u '+%s' -r "$prev")"
|
|
dir="${dir%/}/" # ensure dir has a trailing slash
|
|
printf '%s\t%s\n' "$ts" "${arg%/}/${prev#$dir}"
|
|
touch -c -r "$prev" "$dir" || continue
|
|
: $(( succs+=1 ))
|
|
done
|
|
|
|
fails=$(( $# - succs ))
|
|
[ $fails -le 255 ] || fails=255
|
|
return $fails
|
|
)
|
|
|
|
[ -n "${preload+-}" ] || decently "$@"
|