contrib: Silence git-describe when looking for tag

dongcarl · dongcarl · commit 3e9982ab3877 · 2021-04-01T16:53:17.000-04:00
Otherwise, it prints a rather disturbing message to stderr:

    fatal: no tag exactly matches '&lt;hash&gt;'
diff --git a/contrib/gitian-descriptors/assign_DISTNAME b/contrib/gitian-descriptors/assign_DISTNAME
@@ -4,7 +4,7 @@
 #
 # A helper script to be sourced into the gitian descriptors
 
-if RECENT_TAG="$(git describe --exact-match HEAD)"; then
+if RECENT_TAG="$(git describe --exact-match HEAD 2> /dev/null)"; then
     VERSION="${RECENT_TAG#v}"
 else
     VERSION="$(git rev-parse --short=12 HEAD)"

Original file line number	Diff line number	Diff line change
`@@ -4,7 +4,7 @@`
`4`	`4`	`#`
`5`	`5`	`# A helper script to be sourced into the gitian descriptors`
`6`	`6`
`7`		`-if RECENT_TAG="$(git describe --exact-match HEAD)"; then`
	`7`	`+if RECENT_TAG="$(git describe --exact-match HEAD 2> /dev/null)"; then`
`8`	`8`	`VERSION="${RECENT_TAG#v}"`
`9`	`9`	`else`
`10`	`10`	`VERSION="$(git rev-parse --short=12 HEAD)"`