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ignore .git subdirectories, tiny refactor

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This commit is contained in:
Connor Olding 2021-10-01 10:29:14 -07:00
parent 5c3dc32409
commit d300d3af84
1 changed files with 13 additions and 4 deletions
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17
sh/decently
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@ -4,19 +4,28 @@
# YES_DASH
# YES_ASH
decently() { ### @-
# 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.
local arg= dir= latest= prev= ts= fails= succs=0
finder() { find "$dir" -type f "$@" '!' -path '*/.git/*' -print -quit; }
[ -n "$1" ] || { printf '%s: missing directory argument\n' decently >&2; return 1; }
for arg; do
dir="$(readlink -f "$arg")" || continue
[ -d "$dir" ] || { printf '%s: not a directory: %s\n' decently "$dir" >&2; continue; }
prev=
latest="$(find "$dir" -type f -print -quit)" || continue
latest="$(finder)" || continue
while [ -n "$latest" ]; do
prev="$latest"
latest="$(find "$dir" -newer "$latest" -type f -print -quit)" || break
latest="$(finder -newer "$latest")" || break
done
[ -e "$prev" ] || { printf '%s: no valid files found: %s\n' decently "$dir" >&2; continue; }
ts="$(date -u '+%s' -r "$prev")"
@ -28,6 +37,6 @@ decently() { ### @-
fails=$(( $# - succs ))
[ $fails -le 255 ] || fails=255
return $fails
}
)
[ -n "${preload+-}" ] || decently "$@"