`commitcount` returns the number of commits affecting the current
folder. The newly added function can be used for packages that do not
follow a traditional versioning schema, most prominent `base-files`
which requires tedious `PKG_RELEASE` bumps.
Below a naming example:
base-files_1399-r15385+75-c5d033a34d_x86_64.ipk
In cases where no Git system is used, the timestamp of SOURCE_DATE_EPOCH
is used instead, allowing reproducible builds.
base-files_210107.30634-r1538581-c5d033a34d_x86_64.ipk
Signed-off-by: Paul Spooren <m...@aparcar.org>
---
v2:
- reproducible versions via SOURCE_DATE_EPOCH
- wrap function in ifndef DUMP
rules.mk | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)
diff --git a/rules.mk b/rules.mk
index f79340b124..eeaadfecea 100644
--- a/rules.mk
+++ b/rules.mk
@@ -408,6 +408,30 @@ endef
# file extension
ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
+
+ifndef DUMP
+define commitcount
+ $(shell \
+ if git log -1 >/dev/null 2>/dev/null; then \
+ set -- $$(git rev-list --count HEAD .); \
+ if [ -n "$$1" ]; then
+ echo "$$1"; \
+ else \
+ echo "unknown"; \
+ fi; \
+ else \
+ secs="$$(($(SOURCE_DATE_EPOCH) % 86400))"; \
+ date="$$(date --utc --date="@$(SOURCE_DATE_EPOCH)"
"+%y%m%d")"; \
+ printf '%s.%05d' "$$date" "$$secs"; \
+ fi \
+ )
+endef
+else
+define commitcount
+ 1
+endef
+endif
+
all:
FORCE: ;
.PHONY: FORCE
--
2.29.2
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