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authorJo-Philipp Wich <jow@openwrt.org>2012-12-02 12:20:34 +0000
committerJo-Philipp Wich <jow@openwrt.org>2012-12-02 12:20:34 +0000
commit828597693e9dd776ca65dab2506a650fba5087d3 (patch)
treec3d719240dea4198c057a0e2c614ee35ff7c274b
parent9f3dc9afa7cc440821024b1af3129035dcebbf14 (diff)
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rules.mk: provide a macro "file_copy" which removes any symlink in the destination dir that would be overwritten
SVN-Revision: 34437
-rw-r--r--rules.mk18
1 files changed, 18 insertions, 0 deletions
diff --git a/rules.mk b/rules.mk
index 36bd22cac7..7139f79ef8 100644
--- a/rules.mk
+++ b/rules.mk
@@ -287,6 +287,24 @@ define locked
-c '$(subst ','\'',$(1))'
endef
+# Recursively copy paths into another directory, purge dangling
+# symlinks before.
+# $(1) => File glob expression
+# $(2) => Destination directory
+define file_copy
+ for src_dir in $(sort $(foreach d,$(wildcard $(1)),$(dir $(d)))); do \
+ ( cd $$src_dir; find -type f -or -type d ) | \
+ ( cd $(2); while :; do \
+ read FILE; \
+ [ -z "$$FILE" ] && break; \
+ [ -L "$$FILE" ] || continue; \
+ echo "Removing symlink $(2)/$$FILE"; \
+ rm -f "$$FILE"; \
+ done; ); \
+ done; \
+ $(CP) $(1) $(realpath $(2)/)/
+endef
+
# file extension
ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))