mirror of
https://github.com/notwa/rc
synced 2024-11-05 06:39:02 -08:00
104 lines
3.3 KiB
Bash
104 lines
3.3 KiB
Bash
#!/usr/bin/env sh
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# YES_ZSH
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stfu() { ### @-
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### invoke a command, silencing stdout and stderr *unless* the command fails.
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###
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### **NOTE:** don't use `stfu` for handling sensitive data or commands!
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### use it for 7zip.
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###
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### ```
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### $ touch butts
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### $ stfu 7z a butts.7z butts
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### $ stfu 7z a butts.7z asses
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### command failed with exit status 1:
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### 7z a butts.7z asses
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###
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### $ tail -n 20 /tmp/stfu/out_1627834220
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### Solid = -
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### Blocks = 0
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###
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### Scanning the drive:
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### 0 files, 0 bytes
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###
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### Updating archive: butts.7z
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###
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### Keep old data in archive: 1 file, 0 bytes
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### Add new data to archive: 0 files, 0 bytes
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###
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###
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### Files read from disk: 0
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### Archive size: 82 bytes (1 KiB)
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###
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### Scan WARNINGS for files and folders:
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###
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### asses : The system cannot find the file specified.
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### ----------------
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### Scan WARNINGS: 1
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###
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### $ tail -n 20 /tmp/stfu/err_1627834220
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###
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### WARNING: The system cannot find the file specified.
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### asses
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### ```
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argc -ge 1 "$0" "$@" || return
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local dirty=0 temp="$STFU_DIR"
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if [ -z "$temp" ]; then
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temp="$(mktemp -dt stfu.XXXXXXXXXX)"
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[ $? -eq 0 ] || { printf "%s\n" "$0: failed create temporary directory" >&2; return 1; }
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dirty=1
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fi
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# NOTE: this stat command will not work on BSD-likes,
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# but it will work with GNU coreutils and busybox.
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local perms="$(stat -c '%a' "$temp")"
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local realtemp="$(readlink -f "$temp")"
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[ -z "$MSYSTEM" ] || perms=700 # MSYS2 is insecure, oh well.
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if [ -d "$temp" ] && [ "$realtemp" = "$temp" ] && [ "$perms" = 700 ]; then
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if [ $dirty -ne 0 ]; then
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export STFU_DIR="$temp"
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fi
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else
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if [ -n "$STFU_DIR" ]; then
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printf "%s\n" "$0: invalid temporary directory, please unset STFU_DIR" >&2;
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else
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printf "%s\n" "$0: something went horribly wrong, maybe you can tell?" "$perms" "$realtemp"
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fi
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return 1
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fi
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local time="$(date -u '+%s')"
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[ $? -eq 0 ] || { printf "%s\n" "$0: failed to get current time" >&2; return 1; }
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mkdir -p "$temp" || { printf "%s\n" "$0: failed to create temp directory" >&2; return 1; }
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while [ -e "$temp/out_$time" -o -e "$temp/err_$time" ]; do time=$((time+1)); done
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local out="$temp/out_$time"
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local err="$temp/err_$time"
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touch "$out" && touch "$err" || { printf "%s\n" "$0: failed to create temp files" >&2; return 1; }
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#local out="$(mktemp -t -p "$temp" out_XXXXXX)"
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#[ $? -eq 0 ] || { printf "%s\n" "$0: failed to create temp file" >&2; return 1; }
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#local err="$(mktemp -t -p "$temp" err_XXXXXX)"
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#[ $? -eq 0 ] || { printf "%s\n" "$0: failed to create temp file" >&2; return 1; }
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local ret=0
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"$@" > "$out" 2> "$err" || ret=$?
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if [ $ret -ne 0 ]; then
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printf "command failed with exit status %s:\n" $ret >&2
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echo2 "$@"
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echo2
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note '$ tail -n 20' "$out"
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tail -n 20 "$out" >&2
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echo2
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note '$ tail -n 20' "$err"
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tail -n 20 "$err" >&2
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fi
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return $ret
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}
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[ -n "${preload+-}" ] || . ~/sh/preload || exit 2
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eval ${preload:-preload} argc echo2 note
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[ -n "${preload+-}" ] || stfu "$@"
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