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Auto-build OSX shell script watches directories, builds unless already building, using fswatch, stream_prettifier, and bash for Apportable 'dt' command line build
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#!/bin/bash | |
# DESCRIPTION: watch_and_dt.sh - watches a set of hardcoded directories and builds | |
# with Apportable dt unless already building. | |
# REAQUIREMENTS: Apportable dt, optionally stream_prettifier, fswatch, osx | |
# OPTIONAL: Run piping to stream_prettifier with ~/.stream_prettifier file | |
# if_seen /Error|error/ do |line| | |
# line.white.on_red | |
# end | |
# if_seen /Building.*apk/ do |line| | |
# line.white.on_green | |
# end | |
# OUTPUT (optionally colorized with stream_prettifier): | |
# Mon Apr 27 17:31:20 PDT 2015 ( /Users/nick/proj/AdNetworkTests/adnetworktests/ViewController.m ) | |
# [7/7] Building Build/android-armeabi-debug/adnetworktests/adnetworktests-debug.apk | |
# ... | |
# CONFIG | |
DT_FULL_PATH=`which dt` | |
DT_BASE_PATH=${DT_FULL_PATH%/bin/dt} | |
WATCH_ME_0=. | |
WATCH_ME_1=$DT_BASE_PATH | |
IGNORE_ME_0=$DT_BASE_PATH/Build | |
IGNORE_ME_1=.git | |
IGNORE_ME_2=$DT_BASE_PATH/.git | |
export EXEC_CMD="dt 2>&1 | grep -i -e error -e Building.*apk" | |
export CMD_AS_SEEN_BY_PS_EF=$DT_FULL_PATH | |
export MAX_LINE_LENGTH=4096 | |
# CODE | |
exec_unless() { | |
num_running=$(ps -ef | grep -c $CMD_AS_SEEN_BY_PS_EF) | |
if [ $num_running -gt 1 ]; then | |
# Already running | |
true | |
else | |
# Not running | |
echo `date` \( $1 \) | |
bash -c "$EXEC_CMD" | cut -c 1-$MAX_LINE_LENGTH & | |
fi | |
} | |
export -f exec_unless | |
fswatch -0 $WATCH_ME_0 $WATCH_ME_1 -e $IGNORE_ME_0 -e $IGNORE_ME_1 -e $IGNORE_ME_2 \ | |
| xargs -0 -n 1 -I {} bash -c 'exec_unless "$@"' _ {} |
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