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git://git.openwrt.org/openwrt/openwrt.git
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9e49e0a6c4
With the case of asking an invalid version that is too big, getver.sh might return an invalid output in the form of HEAD~-2260475641. This is caused by BASE_REV - GET_REV using a negative number. Prevent this by checking if BASE_REV - GET_REV actually return 0 or a positive number and set REV variable accordingly. With the following change, invalid revision number will result in unknown printed instead of the invalid HEAD~-NUMBERS output. Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
60 lines
1.5 KiB
Bash
Executable File
60 lines
1.5 KiB
Bash
Executable File
#!/usr/bin/env bash
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export LANG=C
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export LC_ALL=C
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[ -n "$TOPDIR" ] && cd $TOPDIR
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GET_REV=$1
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try_version() {
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[ -f version ] || return 1
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REV="$(cat version)"
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[ -n "$REV" ]
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}
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try_git() {
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REBOOT=ee53a240ac902dc83209008a2671e7fdcf55957a
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git rev-parse --git-dir >/dev/null 2>&1 || return 1
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[ -n "$GET_REV" ] || GET_REV="HEAD"
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case "$GET_REV" in
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r*)
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GET_REV="$(echo $GET_REV | tr -d 'r')"
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BASE_REV="$(git rev-list ${REBOOT}..HEAD 2>/dev/null | wc -l | awk '{print $1}')"
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[ $((BASE_REV - GET_REV)) -ge 0 ] && REV="$(git rev-parse HEAD~$((BASE_REV - GET_REV)))"
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;;
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*)
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BRANCH="$(git rev-parse --abbrev-ref HEAD)"
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ORIGIN="$(git rev-parse --verify --symbolic-full-name ${BRANCH}@{u} 2>/dev/null)"
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[ -n "$ORIGIN" ] || ORIGIN="$(git rev-parse --verify --symbolic-full-name master@{u} 2>/dev/null)"
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REV="$(git rev-list ${REBOOT}..$GET_REV 2>/dev/null | wc -l | awk '{print $1}')"
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if [ -n "$ORIGIN" ]; then
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UPSTREAM_BASE="$(git merge-base $GET_REV $ORIGIN)"
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UPSTREAM_REV="$(git rev-list ${REBOOT}..$UPSTREAM_BASE 2>/dev/null | wc -l | awk '{print $1}')"
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else
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UPSTREAM_REV=0
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fi
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if [ "$REV" -gt "$UPSTREAM_REV" ]; then
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REV="${UPSTREAM_REV}+$((REV - UPSTREAM_REV))"
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fi
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REV="${REV:+r$REV-$(git log -n 1 --format="%h" $UPSTREAM_BASE)}"
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;;
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esac
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[ -n "$REV" ]
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}
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try_hg() {
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[ -d .hg ] || return 1
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REV="$(hg log -r-1 --template '{desc}' | awk '{print $2}' | sed 's/\].*//')"
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REV="${REV:+r$REV}"
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[ -n "$REV" ]
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}
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try_version || try_git || try_hg || REV="unknown"
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echo "$REV"
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