2cf3277fc63ffbd4d0866bab9dec5cba89cc7d65
[exim.git] / src / scripts / reversion
1 #!/bin/sh
2
3 set -e
4 LC_ALL=C
5 export LC_ALL
6
7 # Update Exim's version header file.
8
9 # Compatibility gross-ness for non-POSIX systems
10 if [ -z "$EXIM_REVERSION_ADJUSTED" ]
11 then
12 SHELL=/bin/sh
13 EXIM_REVERSION_ADJUSTED=yes
14 export SHELL EXIM_REVERSION_ADJUSTED
15 # Solaris:
16 if [ -x /usr/xpg4/bin/sh ]
17 then
18 PATH="/usr/xpg4/bin:$PATH"
19 SHELL=/usr/xpg4/bin/sh
20 export PATH SHELL
21 fi
22 # Irix:
23 _XPG=1 ; export _XPG
24 #
25 exec "$SHELL" "$0" "$@"
26 fi
27
28 # Read version information that was generated by a previous run of
29 # this script, or during the release process.
30
31 if [ -f ./version.sh ]
32 then . ./version.sh
33 elif [ -f ../src/version.sh ]
34 then . ../src/version.sh
35 fi
36
37 # If this tree is a git working directory, use that to get version information.
38
39 if [ -d ../../.git ] || [ "$1" = "release" ]
40 then
41 # Modify the output of git describe into separate parts for
42 # the name "exim" and the release and variant versions.
43 # Put a dot in the version number and remove a spurious g.
44 if [ "$2" ]
45 then
46 description=$(git describe "$2")
47 else
48 description=$(git describe --dirty=-XX --match 'exim-4*')
49 fi
50 set $(echo "$description" | sed 's|-| |;s|_|.|;s|[-_]| _|;s|-g|-|')
51 # Only update if we need to
52 if [ "$2 $3" != "$EXIM_RELEASE_VERSION $EXIM_VARIANT_VERSION" ]
53 then
54 EXIM_RELEASE_VERSION="$2"
55 EXIM_VARIANT_VERSION="$3"
56 rm -f version.h
57 fi
58 fi
59
60 # If you are maintaining a patched version of Exim, you can either
61 # create your own version.sh as part of your release process, or you
62 # can modify EXIM_VARIANT_VERSION at this point in this script.
63
64 case "$EXIM_RELEASE_VERSION" in
65 '') echo "*** Your copy of Exim lacks any version information."
66 exit 1
67 esac
68
69 EXIM_COMPILE_NUMBER=$(expr "${EXIM_COMPILE_NUMBER:-0}" + 1)
70
71 echo "$EXIM_COMPILE_NUMBER" >cnumber.h
72
73 ( echo '# automatically generated file - see ../scripts/reversion'
74 echo EXIM_RELEASE_VERSION='"'"$EXIM_RELEASE_VERSION"'"'
75 echo EXIM_VARIANT_VERSION='"'"$EXIM_VARIANT_VERSION"'"'
76 echo EXIM_COMPILE_NUMBER='"'"$EXIM_COMPILE_NUMBER"'"'
77 ) >version.sh
78
79 if [ ! -f version.h ]
80 then
81 ( echo '/* automatically generated file - see ../scripts/reversion */'
82 echo '#define EXIM_RELEASE_VERSION "'"$EXIM_RELEASE_VERSION"'"'
83 echo '#define EXIM_VARIANT_VERSION "'"$EXIM_VARIANT_VERSION"'"'
84 echo '#define EXIM_VERSION_STR EXIM_RELEASE_VERSION EXIM_VARIANT_VERSION'
85 ) >version.h
86 fi
87
88 echo ">>> version $EXIM_RELEASE_VERSION$EXIM_VARIANT_VERSION #$EXIM_COMPILE_NUMBER"
89 echo