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authorKarel Kočí <karel.koci@nic.cz>2018-08-28 11:03:12 +0200
committerKarel Kočí <karel.koci@nic.cz>2018-08-28 11:03:12 +0200
commite0d47569fa05a84feb6401b52c91d61e814003dd (patch)
tree3c0401aa019b4e71f2b9d43c86f537c50e1f9e56 /scripts/utils
parent4fb1e1ccb7825c4ae42d98c882978281868974d2 (diff)
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Implement some lock cleaning
I hope that this will work.
Diffstat (limited to 'scripts/utils')
-rw-r--r--scripts/utils36
1 files changed, 29 insertions, 7 deletions
diff --git a/scripts/utils b/scripts/utils
index c096f29..0034d9b 100644
--- a/scripts/utils
+++ b/scripts/utils
@@ -1,15 +1,35 @@
# vim: ft=sh
-# Simple echo wrapper for stage marking
+## Simple echo wrappers #########################################################
echo_stage() {
- echo -e "\033[1;34m========== $@ ==========\033[0m"
+ echo -e "\033[1;34m========== $@ ==========\033[0m" >&2
}
-
-# Simple echo wrapper for stage marking
echo_info() {
- echo -e "\033[1;32m---------- $@ ----------\033[0m"
+ echo -e "\033[1;32m---------- $@ ----------\033[0m" >&2
+}
+echo_fail() {
+ echo -e "\033[1;31m---------- $@ ----------\033[0m" >&2
+ return 1
+}
+
+## Cleanup handler ##############################################################
+_LAMINAR_LOCKS=""
+_handle_exit() {
+ # Free all locks
+ for LOCK in $_LAMINAR_LOCKS; do
+ laminarc unlock "$(basename "$0")-$LOCK"
+ done
+}
+trap _handle_exit EXIT
+
+# Verify that we are running in process that was configured with trap (not in
+# subprocess)
+_check_trap() {
+ [ -n "$(trap -p EXIT)" ] || \
+ echo_fail "Unable to use this function as trap handling is not available in subprocess"
}
+#################################################################################
# Fetch bare git repository to WORKSPACE
# First argument has to be a source URL
# Second argument is name of directory to which will be repository cloned to.
@@ -36,13 +56,15 @@ git_fetch() {
# Lock special lock for this job
# Extension appended to lock name has to be provided as first argument
laminar_self_lock() {
- # TODO trap release
+ _check_trap
+ _LAMINAR_LOCKS="$_LAMINAR_LOCKS $1"
laminarc lock "$(basename "$0")-$1"
}
# Unlock special lock for this job
# Extension appended to lock name has to be provided as first argument
laminar_self_unlock() {
- # TODO remove trap release
+ _check_trap
laminarc unlock "$(basename "$0")-$1"
+ _LAMINAR_LOCKS="$(echo "$_LAMINAR_LOCKS" | sed "s/ $1//")"
}