0a8e0c1238
* [build]: generate build timestamp at the beginning and use it for the rest of build Signed-off-by: Guohan Lu <gulv@microsoft.com>
69 lines
2.4 KiB
Bash
69 lines
2.4 KiB
Bash
#!/bin/bash
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## Function Definitions
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## Function: trap_push 'COMMAND_STRING'
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## Appends a command to a trap, which is needed because default trap behavior is to replace
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## previous trap for the same signal
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## - 1st arg: code to add
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## - ref: http://stackoverflow.com/questions/3338030/multiple-bash-traps-for-the-same-signal
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_trap_push() {
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local next="$1"
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eval "trap_push() {
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local oldcmd='$(echo "$next" | sed -e s/\'/\'\\\\\'\'/g)'
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local newcmd=\"\$1; \$oldcmd\"
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trap -- \"\$newcmd\" EXIT INT TERM HUP
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_trap_push \"\$newcmd\"
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}"
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}
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_trap_push true
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## Function: warn MESSAGE
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## Print message to stderr
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warn() {
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local message="$1"
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echo "$message" >&2
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}
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## Function: die MESSAGE
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## Print message to stderr and exit the whole process
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## Note:
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## Using () makes the command inside them run in a sub-shell and calling a exit from there
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## causes you to exit the sub-shell and not your original shell, hence execution continues in
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## your original shell. To overcome this use { }
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## ref: http://stackoverflow.com/questions/3822621/how-to-exit-if-a-command-failed
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die() {
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local message="$1"
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warn "$message"
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exit 1
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}
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docker_try_rmi() {
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local image_name="$1"
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## Note: inspect output has quotation characters, so sed to remove it as an argument
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local image_id=$(docker inspect --format="{{json .Id}}" $image_name | sed -e 's/^"//' -e 's/"$//')
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[ -z "$image_id" ] || {
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## Remove all the exited containers from this image
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docker ps -a -q -f "status=exited" -f "ancestor=$1" | xargs --no-run-if-empty docker rm
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## Note: If there are running containers from this image, the build system is in an
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## unexpected state. The 'rmi' will fail and we need investigate the build environment.
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docker rmi $image_name
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}
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}
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sonic_get_version() {
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local describe=$(git describe --tags)
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local latest_tag=$(git describe --tags --abbrev=0)
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local branch_name=$(git rev-parse --abbrev-ref HEAD)
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if [ -n "$(git status --untracked-files=no -s --ignore-submodules)" ]; then
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local dirty="-dirty-$BUILD_TIMESTAMP"
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fi
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BUILD_NUMBER=${BUILD_NUMBER:-0}
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## Check if we are on tagged commit
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## Note: escape the version string by sed: / -> _
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if [ "$describe" == "$latest_tag" ]; then
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echo "${latest_tag}${dirty}" | sed 's/\//_/g'
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else
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echo "${branch_name}.${BUILD_NUMBER}${dirty:--$(git rev-parse --short HEAD)}" | sed 's/\//_/g'
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fi
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}
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