Revision 9621
Added by Aaron Marcuse-Kubitza about 11 years ago
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#### commands |
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already_exists_msg() # usage: cond || what=... already_exists_msg || return 0 |
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{ type=info die "$what already exists, skipping"; }
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# err handler usage: cond || what=... already_exists_msg |
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# ..._not_exists() func usage: cond || what=... "already_exists_msg" |
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function already_exists_msg() { type=info die "$what already exists, skipping";}
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alias already_exists_msg='"already_exists_msg" || return 0' |
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require_not_exists() # usage: require_not_exists file || return 0 |
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{ test ! -e "$1" || what="file \"$1\"" already_exists_msg; }
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{ test ! -e "$1" || what="file \"$1\"" "already_exists_msg"; }
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function to_file() # usage: stdout=... [if_not_exists=1] to_file cmd... |
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# auto-removes a command's output file on error (like make's .DELETE_ON_ERROR) |
Also available in: Unified diff
lib/sh/util.sh: already_exists_msg(): added alias for use as an error handler. note that ..._not_exists() functions should continue to use the "already_exists_msg" function instead to preserve the exit status.