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ipc: implement GET_VERSION to find out the i3 version

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This is useful for third-party scripts which require certain features
and want to error out cleanly when they are run with an old i3 version.

Additionally, i3 --version might be different from what’s actually
running (an old version of the binary), so i3-msg -t get_version will be
the best way to figure out the i3 version you are actually running from
this commit on.
This commit is contained in:
Michael Stapelberg
2012-08-05 14:29:19 +02:00
parent f80b877c6b
commit 78f5f2204d
7 changed files with 122 additions and 6 deletions
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9
common.mk
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@ -23,6 +23,12 @@ else
VERSION := ${I3_VERSION}
endif
MAJOR_VERSION := $(shell echo ${VERSION} | cut -d '.' -f 1)
MINOR_VERSION := $(shell echo ${VERSION} | cut -d '.' -f 2)
PATCH_VERSION := $(shell echo ${VERSION} | cut -d '.' -f 3)
ifeq (${PATCH_VERSION},)
PATCH_VERSION := 0
endif
## Generic flags
@ -46,6 +52,9 @@ I3_CFLAGS += -Wunused-value
I3_CFLAGS += -Iinclude
I3_CPPFLAGS = -DI3_VERSION=\"${I3_VERSION}\"
I3_CPPFLAGS += -DMAJOR_VERSION=${MAJOR_VERSION}
I3_CPPFLAGS += -DMINOR_VERSION=${MINOR_VERSION}
I3_CPPFLAGS += -DPATCH_VERSION=${PATCH_VERSION}
I3_CPPFLAGS += -DSYSCONFDIR=\"${SYSCONFDIR}\"