classes/buildhistory: Add option to strip path prefix

Adds an option to strip a prefix from the paths reported in
buildhistory. This makes it easier to compare task signatures in the
build history when the builds were done from different directories.

(From OE-Core rev: 194e7a29212c4a29222730f47d3133dfe92447c1)

Signed-off-by: Joshua Watt <JPEWhacker@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 2 insertions, 1 deletions

diff --git a/meta/classes/buildhistory.bbclass b/meta/classes/buildhistory.bbclass
index 059de36a5d..55b12d7893 100644
--- a/meta/classes/buildhistory.bbclass
+++ b/meta/classes/buildhistory.bbclass
@@ -43,6 +43,7 @@ BUILDHISTORY_COMMIT ?= "1"
 BUILDHISTORY_COMMIT_AUTHOR ?= "buildhistory <buildhistory@${DISTRO}>"
 BUILDHISTORY_PUSH_REPO ?= ""
 BUILDHISTORY_TAG ?= "build"
+BUILDHISTORY_PATH_PREFIX_STRIP ?= ""
 
 SSTATEPOSTINSTFUNCS_append = " buildhistory_emit_pkghistory"
 # We want to avoid influencing the signatures of sstate tasks - first the function itself:
@@ -697,7 +698,7 @@ python buildhistory_write_sigs() {
     if hasattr(bb.parse.siggen, 'dump_siglist'):
         taskoutdir = os.path.join(d.getVar('BUILDHISTORY_DIR'), 'task')
         bb.utils.mkdirhier(taskoutdir)
-        bb.parse.siggen.dump_siglist(os.path.join(taskoutdir, 'tasksigs.txt'))
+        bb.parse.siggen.dump_siglist(os.path.join(taskoutdir, 'tasksigs.txt'), d.getVar("BUILDHISTORY_PATH_PREFIX_STRIP"))
 }
 
 def buildhistory_get_build_id(d):