54 lines
1.4 KiB
Bash
54 lines
1.4 KiB
Bash
#!/bin/bash -
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#===============================================================================
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#
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# FILE: lib/common.sh
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#
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# DESCRIPTION: Common functions for servant's shell scripts
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# Meant to be sourced rather than run.
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#
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# REQUIREMENTS: bash >= 4
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#===============================================================================
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DIR=$( dirname $( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd ))
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DRY_RUN=false
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POSITION="none"
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SOURCES_TXT="$( dirname $DIR)/sources.txt"
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CABAL=${CABAL:-cabal}
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declare -a SOURCES
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readarray -t SOURCES < "$SOURCES_TXT"
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join () { local IFS="$1"; shift; echo "$*"; }
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versions_equal () {
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local NUM=$(find . -name 'servant*.cabal' | xargs grep "^version:" | awk '{ print $2 }' | uniq -c | wc -l)
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if [ 1 -eq $NUM ] ; then
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return 0
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else
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echo "versions of packages are not all the same!" && exit 1
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fi
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}
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travis_retry() {
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# From
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# https://github.com/travis-ci/travis-build/blob/18bd04e965b9bfaa49cd6bdcd8dcb1513b8d2fcd/lib/travis/build/templates/header.sh
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local result=0
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local count=1
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while [ $count -le 3 ]; do
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[ $result -ne 0 ] && {
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echo -e "\n${ANSI_RED}The command \"$@\" failed. Retrying, $count of 3.${ANSI_RESET}\n" >&2
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}
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"$@"
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result=$?
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[ $result -eq 0 ] && break
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count=$(($count + 1))
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sleep 1
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done
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[ $count -gt 3 ] && {
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echo -e "\n${ANSI_RED}The command \"$@\" failed 3 times.${ANSI_RESET}\n" >&2
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}
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return $result
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}
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