diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/compfix.zsh | 60 | ||||
| -rw-r--r-- | lib/functions.zsh | 148 | ||||
| -rw-r--r-- | lib/misc.zsh | 2 | ||||
| -rw-r--r-- | lib/termsupport.zsh | 46 | ||||
| -rw-r--r-- | lib/theme-and-appearance.zsh | 7 |
5 files changed, 248 insertions, 15 deletions
diff --git a/lib/compfix.zsh b/lib/compfix.zsh new file mode 100644 index 000000000..208aaadb1 --- /dev/null +++ b/lib/compfix.zsh @@ -0,0 +1,60 @@ +# Handle completions insecurities (i.e., completion-dependent directories with +# insecure ownership or permissions) by: +# +# * Human-readably notifying the user of these insecurities. +# * Moving away all existing completion caches to a temporary directory. Since +# any of these caches may have been generated from insecure directories, they +# are all suspect now. Failing to do so typically causes subsequent compinit() +# calls to fail with "command not found: compdef" errors. (That's bad.) +function handle_completion_insecurities() { + # List of the absolute paths of all unique insecure directories, split on + # newline from compaudit()'s output resembling: + # + # There are insecure directories: + # /usr/share/zsh/site-functions + # /usr/share/zsh/5.0.6/functions + # /usr/share/zsh + # /usr/share/zsh/5.0.6 + # + # Since the ignorable first line is printed to stderr and thus not captured, + # stderr is squelched to prevent this output from leaking to the user. + local -aU insecure_dirs + insecure_dirs=( ${(f@):-"$(compaudit 2>/dev/null)"} ) + + # If no such directories exist, get us out of here. + if (( ! ${#insecure_dirs} )); then + print "[oh-my-zsh] No insecure completion-dependent directories detected." + return + fi + + # List ownership and permissions of all insecure directories. + print "[oh-my-zsh] Insecure completion-dependent directories detected:" + ls -ld "${(@)insecure_dirs}" + print "[oh-my-zsh] For safety, completions will be disabled until you manually fix all" + print "[oh-my-zsh] insecure directory permissions and ownership and restart oh-my-zsh." + print "[oh-my-zsh] See the above list for directories with group or other writability.\n" + + # Locally enable the "NULL_GLOB" option, thus removing unmatched filename + # globs from argument lists *AND* printing no warning when doing so. Failing + # to do so prints an unreadable warning if no completion caches exist below. + setopt local_options null_glob + + # List of the absolute paths of all unique existing completion caches. + local -aU zcompdump_files + zcompdump_files=( "${ZSH_COMPDUMP}"(.) "${ZDOTDIR:-${HOME}}"/.zcompdump* ) + + # Move such caches to a temporary directory. + if (( ${#zcompdump_files} )); then + # Absolute path of the directory to which such files will be moved. + local ZSH_ZCOMPDUMP_BAD_DIR="${ZSH_CACHE_DIR}/zcompdump-bad" + + # List such files first. + print "[oh-my-zsh] Insecure completion caches also detected:" + ls -l "${(@)zcompdump_files}" + + # For safety, move rather than permanently remove such files. + print "[oh-my-zsh] Moving to \"${ZSH_ZCOMPDUMP_BAD_DIR}/\"...\n" + mkdir -p "${ZSH_ZCOMPDUMP_BAD_DIR}" + mv "${(@)zcompdump_files}" "${ZSH_ZCOMPDUMP_BAD_DIR}/" + fi +} diff --git a/lib/functions.zsh b/lib/functions.zsh index 17f5f9cbf..efb73a1bd 100644 --- a/lib/functions.zsh +++ b/lib/functions.zsh @@ -15,6 +15,22 @@ function take() { cd $1 } +function open_command() { + local open_cmd + + # define the open command + case "$OSTYPE" in + darwin*) open_cmd="open" ;; + cygwin*) open_cmd="cygstart" ;; + linux*) open_cmd="xdg-open" ;; + *) echo "Platform $OSTYPE not supported" + return 1 + ;; + esac + + nohup $open_cmd "$@" &>/dev/null +} + # # Get the value of an alias. # @@ -73,3 +89,135 @@ function env_default() { env | grep -q "^$1=" && return 0 export "$1=$2" && return 3 } + + +# Required for $langinfo +zmodload zsh/langinfo + +# URL-encode a string +# +# Encodes a string using RFC 2396 URL-encoding (%-escaped). +# See: https://www.ietf.org/rfc/rfc2396.txt +# +# By default, reserved characters and unreserved "mark" characters are +# not escaped by this function. This allows the common usage of passing +# an entire URL in, and encoding just special characters in it, with +# the expectation that reserved and mark characters are used appropriately. +# The -r and -m options turn on escaping of the reserved and mark characters, +# respectively, which allows arbitrary strings to be fully escaped for +# embedding inside URLs, where reserved characters might be misinterpreted. +# +# Prints the encoded string on stdout. +# Returns nonzero if encoding failed. +# +# Usage: +# omz_urlencode [-r] [-m] <string> +# +# -r causes reserved characters (;/?:@&=+$,) to be escaped +# +# -m causes "mark" characters (_.!~*''()-) to be escaped +# +# -P causes spaces to be encoded as '%20' instead of '+' +function omz_urlencode() { + emulate -L zsh + zparseopts -D -E -a opts r m P + + local in_str=$1 + local url_str="" + local spaces_as_plus + if [[ -z $opts[(r)-P] ]]; then spaces_as_plus=1; fi + local str="$in_str" + + # URLs must use UTF-8 encoding; convert str to UTF-8 if required + local encoding=$langinfo[CODESET] + local safe_encodings + safe_encodings=(UTF-8 utf8 US-ASCII) + if [[ -z ${safe_encodings[(r)$encoding]} ]]; then + str=$(echo -E "$str" | iconv -f $encoding -t UTF-8) + if [[ $? != 0 ]]; then + echo "Error converting string from $encoding to UTF-8" >&2 + return 1 + fi + fi + + # Use LC_CTYPE=C to process text byte-by-byte + local i byte ord LC_ALL=C + export LC_ALL + local reserved=';/?:@&=+$,' + local mark='_.!~*''()-' + local dont_escape="[A-Za-z0-9" + if [[ -z $opts[(r)-r] ]]; then + dont_escape+=$reserved + fi + # $mark must be last because of the "-" + if [[ -z $opts[(r)-m] ]]; then + dont_escape+=$mark + fi + dont_escape+="]" + + # Implemented to use a single printf call and avoid subshells in the loop, + # for performance (primarily on Windows). + local url_str="" + for (( i = 1; i <= ${#str}; ++i )); do + byte="$str[i]" + if [[ "$byte" =~ "$dont_escape" ]]; then + url_str+="$byte" + else + if [[ "$byte" == " " && -n $spaces_as_plus ]]; then + url_str+="+" + else + ord=$(( [##16] #byte )) + url_str+="%$ord" + fi + fi + done + echo -E "$url_str" +} + +# URL-decode a string +# +# Decodes a RFC 2396 URL-encoded (%-escaped) string. +# This decodes the '+' and '%' escapes in the input string, and leaves +# other characters unchanged. Does not enforce that the input is a +# valid URL-encoded string. This is a convenience to allow callers to +# pass in a full URL or similar strings and decode them for human +# presentation. +# +# Outputs the encoded string on stdout. +# Returns nonzero if encoding failed. +# +# Usage: +# omz_urldecode <urlstring> - prints decoded string followed by a newline +function omz_urldecode { + emulate -L zsh + local encoded_url=$1 + + # Work bytewise, since URLs escape UTF-8 octets + local caller_encoding=$langinfo[CODESET] + local LC_ALL=C + export LC_ALL + + # Change + back to ' ' + local tmp=${encoded_url:gs/+/ /} + # Protect other escapes to pass through the printf unchanged + tmp=${tmp:gs/\\/\\\\/} + # Handle %-escapes by turning them into `\xXX` printf escapes + tmp=${tmp:gs/%/\\x/} + local decoded + eval "decoded=\$'$tmp'" + + # Now we have a UTF-8 encoded string in the variable. We need to re-encode + # it if caller is in a non-UTF-8 locale. + local safe_encodings + safe_encodings=(UTF-8 utf8 US-ASCII) + if [[ -z ${safe_encodings[(r)$caller_encoding]} ]]; then + decoded=$(echo -E "$decoded" | iconv -f UTF-8 -t $caller_encoding) + if [[ $? != 0 ]]; then + echo "Error converting string from UTF-8 to $caller_encoding" >&2 + return 1 + fi + fi + + echo -E "$decoded" +} + diff --git a/lib/misc.zsh b/lib/misc.zsh index e90836475..6d1a64e8d 100644 --- a/lib/misc.zsh +++ b/lib/misc.zsh @@ -1,6 +1,6 @@ ## Load smart urls if available for d in $fpath; do - if [[ -e "$d/url-quote-magic"]]; then + if [[ -e "$d/url-quote-magic" ]]; then autoload -U url-quote-magic zle -N self-insert url-quote-magic fi diff --git a/lib/termsupport.zsh b/lib/termsupport.zsh index e1c2e2f93..5f61fe8ef 100644 --- a/lib/termsupport.zsh +++ b/lib/termsupport.zsh @@ -7,6 +7,9 @@ # (In screen, only short_tab_title is used) # Limited support for Apple Terminal (Terminal can't set window and tab separately) function title { + emulate -L zsh + setopt prompt_subst + [[ "$EMACS" == *term* ]] && return # if $2 is unset use $1 as default @@ -23,9 +26,14 @@ function title { ZSH_THEME_TERM_TAB_TITLE_IDLE="%15<..<%~%<<" #15 char left truncated PWD ZSH_THEME_TERM_TITLE_IDLE="%n@%m: %~" +# Avoid duplication of directory in terminals with independent dir display +if [[ $TERM_PROGRAM == Apple_Terminal ]]; then + ZSH_THEME_TERM_TITLE_IDLE="%n@%m" +fi # Runs before showing the prompt function omz_termsupport_precmd { + emulate -L zsh if [[ $DISABLE_AUTO_TITLE == true ]]; then return fi @@ -35,15 +43,15 @@ function omz_termsupport_precmd { # Runs before executing the command function omz_termsupport_preexec { + emulate -L zsh if [[ $DISABLE_AUTO_TITLE == true ]]; then return fi - emulate -L zsh setopt extended_glob # cmd name only, or if this is sudo or ssh, the next cmd - local CMD=${1[(wr)^(*=*|sudo|ssh|rake|-*)]:gs/%/%%} + local CMD=${1[(wr)^(*=*|sudo|ssh|mosh|rake|-*)]:gs/%/%%} local LINE="${2:gs/%/%%}" title '$CMD' '%100>...>$LINE%<<' @@ -53,14 +61,28 @@ precmd_functions+=(omz_termsupport_precmd) preexec_functions+=(omz_termsupport_preexec) -# Runs before showing the prompt, to update the current directory in Terminal.app -function omz_termsupport_cwd { - # Notify Terminal.app of current directory using undocumented OSC sequence - # found in OS X 10.9 and 10.10's /etc/bashrc - if [[ $TERM_PROGRAM == Apple_Terminal ]] && [[ -z $INSIDE_EMACS ]]; then - local PWD_URL="file://$HOSTNAME${PWD// /%20}" - printf '\e]7;%s\a' "$PWD_URL" - fi -} +# Keep Apple Terminal.app's current working directory updated +# Based on this answer: http://superuser.com/a/315029 +# With extra fixes to handle multibyte chars and non-UTF-8 locales + +if [[ "$TERM_PROGRAM" == "Apple_Terminal" ]] && [[ -z "$INSIDE_EMACS" ]]; then + + # Emits the control sequence to notify Terminal.app of the cwd + function update_terminalapp_cwd() { + emulate -L zsh + # Identify the directory using a "file:" scheme URL, including + # the host name to disambiguate local vs. remote paths. + + # Percent-encode the pathname. + local URL_PATH=$(omz_urlencode -P $PWD) + [[ $? != 0 ]] && return 1 + local PWD_URL="file://$HOST$URL_PATH" + # Undocumented Terminal.app-specific control sequence + printf '\e]7;%s\a' $PWD_URL + } -precmd_functions+=(omz_termsupport_cwd) + # Use a precmd hook instead of a chpwd hook to avoid contaminating output + precmd_functions+=(update_terminalapp_cwd) + # Run once to get initial cwd set + update_terminalapp_cwd +fi diff --git a/lib/theme-and-appearance.zsh b/lib/theme-and-appearance.zsh index 926303ca4..ebb11fb31 100644 --- a/lib/theme-and-appearance.zsh +++ b/lib/theme-and-appearance.zsh @@ -11,8 +11,11 @@ then # otherwise, leave ls as is, because NetBSD's ls doesn't support -G gls --color -d . &>/dev/null 2>&1 && alias ls='gls --color=tty' elif [[ "$(uname -s)" == "OpenBSD" ]]; then - # On OpenBSD, test if "colorls" is installed (this one supports colors); - # otherwise, leave ls as is, because OpenBSD's ls doesn't support -G + # On OpenBSD, "gls" (ls from GNU coreutils) and "colorls" (ls from base, + # with color and multibyte support) are available from ports. "colorls" + # will be installed on purpose and can't be pulled in by installing + # coreutils, so prefer it to "gls". + gls --color -d . &>/dev/null 2>&1 && alias ls='gls --color=tty' colorls -G -d . &>/dev/null 2>&1 && alias ls='colorls -G' else ls --color -d . &>/dev/null 2>&1 && alias ls='ls --color=tty' || alias ls='ls -G' |