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fix(perms)!: change function name from fixperms to resetperms and document caution (#10686)

BREAKING CHANGE: function `fixperms` has been renamed to the more accurate `resetperms`.
Please read the README carefully before using it as it may badly reset the permissions.

Fixes #10648
Closes #10686
This commit is contained in:
Carlo Sala 2022-02-11 15:20:03 +01:00 committed by Marc Cornellà
parent a04cf07880
commit 62929263fa
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GPG key ID: 0314585E776A9C1B
2 changed files with 29 additions and 14 deletions

View file

@ -10,6 +10,16 @@ plugins=(... perms)
## Usage
* `set755` recursively sets all given directories (default to .) to octal 755.
* `set644` recursively sets all given files (default to .) to octal 644.
* `fixperms` is a wrapper around `set755` and `set644` applied to a specified directory or the current directory otherwise. It also prompts prior to execution unlike the other two aliases.
> **CAUTION:** these functions are harmful if you don't know what they do.
- `set755`: sets the permission to octal 755 for all given directories and their child directories (by default, starting from the current directory).
- `set644`: sets the permission to octal 644 for all files of the given directory (by default, the current directory), recursively. It will only affect regular files (no symlinks).
- `resetperms` is a wrapper around `set755` and `set644` applied to a specified directory or the current directory otherwise.
It will set the permissions to 755 for directories, and 644 for files.
## Reference
- octal 644: _read and write_ for the owner, _read_ for the group and others users.
- octal 755: _read, write and execute_ permissions for the owner, and _read and execute_ for the group and others users.

View file

@ -6,25 +6,25 @@
### Aliases
# Set all files' permissions to 644 recursively in a directory
set644() {
function set644 {
find "${@:-.}" -type f ! -perm 644 -print0 | xargs -0 chmod 644
}
# Set all directories' permissions to 755 recursively in a directory
set755() {
function set755 {
find "${@:-.}" -type d ! -perm 755 -print0 | xargs -0 chmod 755
}
### Functions
# fixperms - fix permissions on files and directories, with confirmation
# resetperms - fix permissions on files and directories, with confirmation
# Returns 0 on success, nonzero if any errors occurred
fixperms () {
function resetperms {
local opts confirm target exit_status chmod_opts use_slow_mode
zparseopts -E -D -a opts -help -slow v+=chmod_opts
if [[ $# > 1 || -n "${opts[(r)--help]}" ]]; then
cat <<EOF
Usage: fixperms [-v] [--help] [--slow] [target]
Usage: resetperms [-v] [--help] [--slow] [target]
target is the file or directory to change permissions on. If omitted,
the current directory is taken to be the target.
@ -40,7 +40,7 @@ EOF
return $exit_status
fi
if [[ $# == 0 ]]; then
if [[ $# -eq 0 ]]; then
target="."
else
target="$1"
@ -49,7 +49,7 @@ EOF
# Because this requires confirmation, bail in noninteractive shells
if [[ ! -o interactive ]]; then
echo "fixperms: cannot run in noninteractive shell"
echo "resetperms: cannot run in noninteractive shell"
return 1
fi
@ -68,15 +68,20 @@ EOF
if [[ $use_slow == true ]]; then
# Process directories first so non-traversable ones are fixed as we go
find "$target" -type d ! -perm 755 -exec chmod $chmod_opts 755 {} \;
if [[ $? != 0 ]]; then exit_status=$?; fi
if [[ $? -ne 0 ]]; then exit_status=$?; fi
find "$target" -type f ! -perm 644 -exec chmod $chmod_opts 644 {} \;
if [[ $? != 0 ]]; then exit_status=$?; fi
if [[ $? -ne 0 ]]; then exit_status=$?; fi
else
find "$target" -type d ! -perm 755 -print0 | xargs -0 chmod $chmod_opts 755
if [[ $? != 0 ]]; then exit_status=$?; fi
if [[ $? -ne 0 ]]; then exit_status=$?; fi
find "$target" -type f ! -perm 644 -print0 | xargs -0 chmod $chmod_opts 644
if [[ $? != 0 ]]; then exit_status=$?; fi
if [[ $? -ne 0 ]]; then exit_status=$?; fi
fi
echo "Complete"
return $exit_status
}
function fixperms {
print -ru2 "fixperms has been deprecated. Use resetperms instead"
return 1
}